CN210414453U

CN210414453U - Span-adjustable overturning support frame

Info

Publication number: CN210414453U
Application number: CN201920241786.4U
Authority: CN
Inventors: 郑思凯; 胡一廷; 范明争
Original assignee: AECC Commercial Aircraft Engine Co Ltd
Current assignee: AECC Commercial Aircraft Engine Co Ltd
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2020-04-28
Anticipated expiration: 2029-02-26

Abstract

The utility model provides a span adjustable upset supports frame, it includes: the left support frame comprises a left support frame and a support base, and the left support frame is fixed at one end of the support base; the speed reducer assembly and the left bearing seat assembly are mounted at the top end of the left support frame, and the speed reducer assembly is connected with the left bearing seat assembly; the left support shaft assembly is arranged on the outer side surface of the left bearing seat assembly; the right support assembly is mounted at the other end of the supporting base through the ball screw assembly, and the right support assembly moves left and right along the supporting base through rotation of the ball screw assembly; the right bearing seat assembly is arranged at the top end of the right bracket assembly; the right support shaft assembly is arranged on the outer side surface of the right bearing seat assembly; the left supporting shaft assembly and the right supporting shaft assembly are used for clamping parts such as a casing. The utility model discloses realize the location and the support of a plurality of gestures of machine casket subassembly, convenient operation has improved the assembly efficiency of machine casket subassembly.

Description

Span-adjustable overturning support frame

Technical Field

The utility model relates to an aeroengine field, in particular to span adjustable upset support frame.

Background

In the field of aeroengines, in the assembly process of some bearing casing components of the aeroengine, a casing is required to be used as an assembly base part, other components are assembled on the casing, and in order to facilitate assembly operation, the posture of the bearing casing needs to be adjusted in the assembly process, and the assembly operation is carried out under the posture.

Usually, a set of overturning support frames is customized according to the size of the casing, and the support and the overturning of the casing are carried out. However, because the size differences of the various casing assemblies such as the diameter, the height and the like are large, a set of overturning support frame is designed and manufactured for each casing assembly, the tooling cost is high, the number of the frames on site is large, the occupied space is large, and the tooling management difficulty is increased.

Therefore, how to combine the support of the casing components with various sizes and the turnover frame is realized, the number of on-site tools is reduced, the tool cost and the management difficulty are reduced, and the method is an important method for optimizing the assembly process of each bearing casing component.

In view of the above, a need exists in the art for a novel roll-over support frame.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a span adjustable upset support frame in order to overcome among the prior art support frame and can't be applied to defects such as multiple size of a dimension cartridge receiver subassembly.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

the utility model provides a span adjustable upset supports frame which characterized in that, the upset supports frame includes:

the left support frame comprises a left support frame and a support base, and the left support frame is fixed at one end of the support base;

the speed reducer assembly and the left bearing seat assembly are mounted at the top end of the left support frame, and the speed reducer assembly is connected with the left bearing seat assembly;

the left support shaft assembly is arranged on the outer side face of the left bearing seat assembly;

the right bracket assembly is mounted at the other end of the supporting base through the ball screw assembly, and the right bracket assembly moves left and right along the supporting base by rotating the ball screw assembly;

the right bearing block assembly is arranged at the top end of the right bracket assembly;

the right support shaft assembly is arranged on the outer side surface of the right bearing seat assembly;

the left support shaft assembly and the right support shaft assembly are used for clamping parts such as a casing.

According to the utility model discloses an embodiment, support the base and be frame construction, just be provided with two piece at least guide rails on the support base, right branch subassembly is established smoothly on the guide rail.

According to an embodiment of the present invention, the left bracket assembly further comprises a universal wheel, a directional wheel and a support leg assembly, wherein the universal wheel is mounted at the bottom of one end of the support base and is located below the left support frame;

the directional wheel is arranged at the bottom of the other end of the supporting base and is positioned below the right bracket component;

the support leg assembly is installed at the outer end part of the other end of the support base and used for supporting the overturning support frame.

According to the utility model discloses an embodiment, left side back shaft subassembly includes mount pad, left back shaft, shaft coupling and retaining ring, the mount pad with left side back shaft through first key with the retaining ring is connected as an organic wholely, the shaft coupling will through the second key left side back shaft with reducer assembly's torque output shaft links together.

According to the utility model discloses an embodiment, the mount pad is the L type, including lower part rectangular block and upper portion rectangular block, circular through-hole and keyway have been seted up on the lower part rectangular block, respectively with left side back shaft and corresponding first key cooperation, a plurality of screw holes have been seted up to the upper portion rectangular block for a fixed switching section.

According to the utility model discloses an embodiment, left side back shaft adopts the step shaft structure, the keyway has all been opened at the both ends of left side back shaft, is used for passing through first key the second key respectively with reduction gear assembly's torque output axle with the mount pad is connected.

According to the utility model discloses an embodiment, right branch axle subassembly includes spacing support, a plurality of spacer pin, right branch axle and spring pin subassembly, the spacer pin is installed on the spacing support, the right branch axle is fixed on the spacing support, spring pin unit mount is in correspondence on the spacer pin.

According to the utility model discloses an embodiment, the spring pin subassembly includes the first in command, axle sleeve, spring, locating pin and round pin axle, the spring housing is in sell epaxial, the round pin axle penetrates the axle sleeve, the first in command is installed sell epaxial, the locating pin is installed sell epaxial, be used for the locking the extension length of round pin axle.

According to an embodiment of the present invention, the right bracket assembly includes a right bracket welding assembly and a slider, the slider is fixed to the bottom of the right bracket welding assembly;

the top of right branch frame welding subassembly is provided with right bearing frame mounting panel, right bearing frame subassembly is fixed on the right bearing frame mounting panel.

According to an embodiment of the present invention, the ball screw assembly includes a screw, a ball nut, a right screw bearing seat, a hand wheel and a left screw bearing seat, two ends of the screw are stepped shafts, which are respectively connected with the right screw bearing seat and the left screw bearing seat, the right screw bearing seat and the left screw bearing seat are respectively fixed to the support base, and the screw is located between the guide rails; the ball nut is fixed on a ball nut mounting seat at the bottom of the right bracket component, and the hand wheel is mounted at the outer end part of the screw rod.

According to an embodiment of the present invention, the turnover support frame further comprises an oil pan assembly disposed below the support base;

the oil collecting tray assembly comprises an oil collecting tray and a grid interlayer, and the grid interlayer is arranged on the oil collecting tray.

The utility model discloses an actively advance the effect and lie in:

the utility model discloses span adjustable upset support frame adopts ball screw driven movable support for the frame both ends support the stepless adjustable of span, realize the support and the upset of the not quick-witted casket subassembly of unidimensional size. The driven rotating mandrel is provided with the index plate and the pin shaft, so that the positioning and the supporting of a plurality of postures of the casing component are realized, the operation is convenient, and the assembly efficiency of the casing component is improved. The hollow interlayer oil collecting tray can prevent residual oil in the cavity of the component from splashing to pollute the ground of a plant after dripping, so that the cleanness of the plant is ensured, and unnecessary labor cost is reduced. The overturning support frame can realize the support and the overturning of the casing assemblies with various sizes through one set of frame, so that the number of field tools is reduced, and the tool cost and the management difficulty are reduced.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:

fig. 1 is a using state diagram of the span-adjustable turnover support frame of the utility model.

Fig. 2 is the structure schematic diagram of the span-adjustable turnover support frame of the utility model.

Fig. 3 is the utility model discloses the structural schematic diagram of left bracket component in span adjustable upset support frame.

Fig. 4 is the utility model discloses the welding structure schematic diagram of left bracket component in span adjustable upset support frame.

Fig. 5 is the utility model discloses left support shaft subassembly's among span adjustable upset support frame structural schematic.

Fig. 6 is the utility model discloses the vertical cross-sectional view of left support axle subassembly in span adjustable upset support frame.

Fig. 7 is the utility model discloses the structural schematic diagram of right support shaft subassembly in span adjustable upset support frame.

Fig. 8 is the utility model discloses span adjustable upset supports frame middle and right support shaft assembly's spring pin subassembly schematic structure.

Fig. 9 is the utility model discloses the vertical cross-sectional view of the spring pin subassembly of right support axle subassembly in span adjustable upset support frame.

Fig. 10 is a schematic structural view of the right bracket assembly in the span-adjustable roll-over support frame of the present invention.

Fig. 11 is the utility model discloses the welding structure schematic diagram of right bracket component in span adjustable upset support frame.

Fig. 12 is the structural schematic diagram of the ball screw assembly in the span-adjustable roll-over support frame of the present invention.

Fig. 13 is the utility model discloses the assembly schematic diagram of hand wheel, right lead screw bearing frame and lead screw in span adjustable upset support frame.

Fig. 14 is a schematic structural view of the oil collecting tray assembly in the span-adjustable roll-over support frame of the present invention.

[ reference numerals ]

Left bracket assembly 10

Retarder assembly 20

Left bearing block assembly 30

Left support shaft assembly 40

Right bracket assembly 50

Ball screw assembly 60

Right support shaft assembly 70

Right bearing block assembly 80

Case type part A

Switching section B

Sump pan assembly 90

Left support frame 11

Support base 12

Guide rail 120

Universal wheel 13

Directive wheel 14

Leg assembly 15

First bottom longitudinal beam 121

First bottom beam 122

First bottom cross beam 123

Bottom longitudinal support beam 124

Guide rail mounting plate 125

Leg mounting plate 126

Screw right support plate 127

Caster wheel mounting plate 128

Lead screw left support plate 129

First oblique supporting beam 111

First middle cross beam 112

First top beam 113

Outer oblique corbel 114

Rib plate 115

Left bearing seat mounting plate 116

Bottom cross member 122

Mounting base 41

Left support shaft 42

Coupling 43

Retainer ring 44

First key 45

Second key 46

Lower rectangular block 411

Upper rectangular block 412

Circular through hole 413

Keyway 414

Threaded bore 415

Right bracket welded assembly 51

Slider 52

Slider mounting plate 53

Bottom long beam 512

Second bottom longitudinal beam 513

Bottom oblique beam 514

Bottom short beam 515

Middle cross beam 516

Second oblique supporting beam 517

Vertical beam 518

Roof rail 519

Top cross beam 510

Right bearing seat mounting plate 511

Ball nut mount 54

Screw 61

Ball nut 62

Right screw bearing block 63

Hand wheel 64

Third key 641

Left lead screw bearing seat 65

Pressure plate 66

Limiting support 71

Spacing pin 72

Right support shaft 73

Spring pin assembly 74

First handle 741

Shaft sleeve 742

Spring 743

Locating pin 744

Pin 745

Pin 746

Locating pin 747

Oil collecting tray 91

Grid spacer 92

Second handle 93

Oil nozzle 94

Plug cover 95

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.

Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.

Fig. 1 is a using state diagram of the span-adjustable turnover support frame of the utility model. Fig. 2 is the structure schematic diagram of the span-adjustable turnover support frame of the utility model.

As shown in fig. 1 and 2, the utility model discloses a span adjustable upset supports frame, it includes left bracket component 10, reduction gear subassembly 20, left bearing frame subassembly 30, left bracing axle subassembly 40, right bracket component 50, ball screw subassembly 60, right bracing axle subassembly 70 and right bearing frame subassembly 80. The left bracket assembly 10 includes a left support frame 11 and a support base 12, and the left support frame 11 is fixed to one end of the support base 12. The reducer assembly 20 and the left bearing seat assembly 30 are installed at the top end of the left support frame 11, and the reducer assembly 20 is connected with the left bearing seat assembly 30. The left support shaft assembly 40 is mounted on the outer side surface of the left bearing housing assembly 30. The right bracket assembly 50 is mounted at the other end of the support base 12 through a ball screw assembly 60, and the right bracket assembly 50 is moved left and right along the support base 12 by rotating the ball screw assembly 60. The right support shaft assembly 70 is mounted on top of the right bracket assembly 50, and the right support shaft assembly 70 is connected with the right bearing block assembly 80. The left support shaft assembly 40 and the right support shaft assembly 70 are used for clamping the casing type part A.

Fig. 3 is the utility model discloses the structural schematic diagram of left bracket component in span adjustable upset support frame. Fig. 4 is the utility model discloses the welding structure schematic diagram of left bracket component in span adjustable upset support frame.

As shown in fig. 3 and 4, the supporting base 12 is a frame structure, and at least two guide rails 120 are disposed on the supporting base 12, and the right bracket assembly 50 is slidably disposed on the guide rails 120. The left bracket assembly 10 further comprises a universal wheel 13, an orientation wheel 14 and a foot assembly 15, wherein the universal wheel 13 is mounted at the bottom of one end of the support base 12 and is positioned below the left support frame 11. The orientation wheel 13 is installed at the bottom of the other end of the support base 12 below the right bracket assembly 50. A foot assembly 15 is mounted at the outer end of the other end of the support base 12 for supporting the roll-over support frame.

The supporting base 12 includes a first bottom longitudinal beam 121, a first bottom cross beam 122, a first bottom cross beam 123, a bottom longitudinal beam 124, a guide rail mounting plate 125, a leg mounting plate 126, a lead screw right support plate 127, a caster mounting plate 128, and a lead screw left support plate 129, which are welded together. The left support frame 11 comprises a first oblique supporting beam 111, a first middle cross beam 112, a first top cross beam 113, an outer oblique supporting beam 114, a rib plate 115 and a left bearing seat mounting plate 116 which are welded with each other. All welding beams are of a square steel tube structure, wherein a through hole is formed in the middle of the side face of the bottom cross beam 122 on the right side and is used for penetrating through the screw 61 of the ball screw assembly 60.

Preferably, the rib plate 115 is of a right-angled triangular steel plate structure, the long side of the rib plate is welded below the left bearing seat mounting plate 116, and the short side of the rib plate is welded on the left side of the first oblique supporting beam 111 and the first top cross beam 113. Left bearing frame mounting panel 116 adopts rectangle ladder steel sheet structure, sets up 4 screw holes on the left side ladder face for through bolt fastening reduction gear subassembly 20, set up 4 screw holes on the right side ladder face for fixed left back shaft subassembly 40 (two on the left side).

Further, the guide rail mounting plate 125 is made of a rectangular steel plate, and is welded to the first bottom transversal beam 123 and the bottom longitudinal beam 124, and is provided with a plurality of (e.g., 11) threaded holes for fixing the guide rail 120 by bolts. The supporting leg mounting plate 126 is of a rectangular steel plate structure, is welded on the outer side face of the first bottom cross beam 122, and is provided with 4 threaded holes for fixing the supporting leg assembly 15 through bolts.

In addition, the right lead screw support plate 127 is of a rectangular steel plate structure, is welded on the outer side surface of the right bottom cross beam 122 and is provided with 4 threaded holes for fixing the right lead screw bearing seat 63 of the ball screw assembly 60 through bolts, and a through hole is formed in the middle of the right lead screw support plate and is used for penetrating through the lead screw 61.

Preferably, the caster mounting plate 128 is made of a rectangular steel plate structure, and is welded to the bottom of the first bottom longitudinal beam 121 and the bottom of the first bottom cross beam 122, and 4 threaded holes are provided for fixing the universal wheel 13(2 pieces) and the directional wheel 14(2 pieces) by bolts. The left lead screw support plate 129 is of a rectangular steel plate structure, is welded on the right side face of the first bottom cross beam 123 and is provided with 4 threaded holes for fixing the left lead screw bearing seat 65 of the ball screw assembly 60 through bolts.

In addition, the universal wheel 13 is a universal wheel standard kit, and is fixed to the caster mounting plate 128 by bolts, and serves to support the entire frame and guide the direction in which the frame moves. The caster wheel 14 is a caster wheel standard kit that is bolted to the caster mounting plate 128 to support the frame and assist in the movement of the frame.

The leg assembly 15 is a leg assembly standard kit, and is fixed on the leg mounting plate 128 through bolts, and when moving the frame, the legs are folded, and when fixing the position of the frame, the legs are put down for assisting in supporting the frame, preventing the frame from shaking or moving, and increasing the stability of the frame.

The guide rail 120 is preferably a precision guide rail, and is of an i-shaped guide rail structure, and is fixed on the guide rail mounting plate 125 through bolts (22 pieces), and is precisely matched with the slide block 52 of the right bracket assembly 50 to guide the right-and-left movement of the right bracket assembly 50.

Preferably, the speed reducer assembly 20 is a speed reducer standard kit, and is fixed to the left bearing mounting plate by bolts (4 pieces).

Fig. 5 is the utility model discloses left support shaft subassembly's among span adjustable upset support frame structural schematic. Fig. 6 is the utility model discloses the vertical cross-sectional view of left support axle subassembly in span adjustable upset support frame.

As shown in fig. 5 to 6, the left support shaft assembly 40 includes a mounting seat 41, a left support shaft 42, a coupling 43 and a retaining ring 44, the mounting seat 41 and the left support shaft 42 are connected into a whole through a first key 45 and the retaining ring 44, the coupling 43 connects the left support shaft 42 and the torque output shaft of the reducer assembly 20 together through a second key 46, and the second key 46 is axially positioned through a screw.

The mounting base 41 is preferably L-shaped, and includes a lower rectangular block 411 and an upper rectangular block 412, the lower rectangular block 411 is provided with a circular through hole 413 and a key slot 414, which are respectively matched with the left support shaft 42 and the corresponding first key 45, and the upper rectangular block 412 is provided with a plurality of threaded holes 415 for fixing a switching section B.

Preferably, the left support shaft 42 is of a stepped shaft structure, and key grooves are formed at both ends of the left support shaft 42 for connecting with the torque output shaft of the reducer assembly 20 and the mounting seat 41 through a first key 45 and a second key 46, respectively, and the middle optical axis is partially mounted on the two right bearing seat assemblies 80 on the left side.

Fig. 7 is the utility model discloses the structural schematic diagram of right support shaft subassembly in span adjustable upset support frame. Fig. 8 is the utility model discloses span adjustable upset supports frame middle and right support shaft assembly's spring pin subassembly schematic structure. Fig. 9 is the utility model discloses the vertical cross-sectional view of the spring pin subassembly of right support axle subassembly in span adjustable upset support frame.

As shown in fig. 7 to 9, the right support shaft assembly 70 includes a limit support 71, a plurality of limit pins 72, a right support shaft 73, and a spring pin assembly 74, wherein the limit pins 72 are mounted on the limit support 71 by threads, the right support shaft 73 is fixed on the limit support 71 by screws (4 pieces), and the spring pin assembly 74 is mounted on the corresponding limit pins 72. The spring pin assembly 74 and the limit pin 72 are matched to realize the positioning of multiple angular positions of the right support shaft 73, so that the positioning and the supporting of multiple postures of the casing type part are realized.

In particular, the limit support 71 is preferably an L-shaped structure, the lower rectangular block is provided with 4 threaded holes uniformly distributed on the circumference for fixing the right support shaft 73, and the upper rectangular block is provided with 4 threaded holes for fixing the switching section. The limit pin 72 is preferably of a stepped shaft structure, the small shaft is provided with threads for fixing on the limit support 71, and the large shaft is provided with a counter bore for matching with the pin shaft 721. The right support shaft 73 is preferably a stepped shaft structure with a flange, 4 bolt holes are uniformly distributed on the flange edge on the left side for fixing on the limit support 71 through screws, and the optical axis part is installed on two right bearing seat assemblies 80 on the right side.

Preferably, the spring pin assembly 74 includes a first handle 741, a bushing 742, a spring 743, a positioning pin 744, and a pin 745, the spring 743 is sleeved on the pin 745, the pin 745 penetrates the bushing 742, the first handle 741 is pin-mounted on the pin 745, and the positioning pin 744 is mounted on the pin 745 for locking the protruding length of the pin 745.

The middle of the shaft sleeve 742 is provided with a sleeve structure with a flange, the circular flange is cut off by a flat edge and is provided with 3 through holes, the through holes are fixed on the right bearing seat assembly 80 on the inner side of the right side through screws, an inner cylindrical hole of the sleeve is used for ensuring that the pin roll 745 can move left and right stably, the right side of the sleeve is provided with a deep rectangular groove and a shallow rectangular groove which are crossed, the first handle 741 is held to pull out the pin roll 745 outwards, the first handle 741 is rotated by 90 degrees and is used for locking the angular position of the right support shaft assembly 70 when the positioning pin 744 is limited in the deep rectangular groove, the first handle 741 is held to pull out the pin roll 745 outwards, the first handle is rotated by 90 degrees and is limited in the shallow rectangular.

The pin shaft 745 is preferably of a stepped shaft structure, and the right optical axis portion is provided with two pin holes, the outer end pin hole is used for installing a pin 746 for fixing the first handle 741, and the middle pin hole is used for installing a positioning pin 747 for limiting the axial position of the pin shaft 745.

Fig. 10 is a schematic structural view of the right bracket assembly in the span-adjustable roll-over support frame of the present invention. Fig. 11 is the utility model discloses the welding structure schematic diagram of right bracket component in span adjustable upset support frame.

As shown in fig. 10 and 11, the right bracket assembly 50 includes a right bracket welding assembly 51 and a slider 52, and the slider 52 is fixed to the bottom of the right bracket welding assembly 51. The top end of the right bracket welding assembly 51 is provided with a right bearing block mounting plate 511, and the right support shaft assembly 70 and the right bearing block assembly 80 are fixed on the right bearing block mounting plate 511. The slider 52 is fixed to the slider mounting plate 53 by bolts.

Preferably, the left and right bearing

housing assemblies

30 and 80 are standard bearing housing assembly components that are bolted to the left and right bearing

housing mounting plates

116 and 511, respectively, for supporting the left and

right support shafts

42 and 73. Wherein, the bearing block component on the right inner side is provided with 1 through hole and 3 threaded holes for installing the fixed shaft sleeve 742.

The right bracket welding assembly 51 is formed by mutually welding a bottom long cross beam 512, a second bottom longitudinal beam 513 (2), a bottom oblique beam 514 (2), a bottom short cross beam 515, a middle cross beam 516, a second oblique supporting beam 517 (2), a vertical supporting beam 518, a top longitudinal beam 519 and a top cross beam 510, welding a right bearing seat mounting plate 511 to the top longitudinal beam 519 and the top cross beam 510, and mutually welding a ball nut mounting seat 54 and a slider mounting plate 53. All welding beams are of square steel tube structures.

Wherein the right bearing mount plate 511 and the slider mount plate 53(2 pieces) are welded to the second bottom stringer 513(2 pieces). The right bearing mount plate 511 is preferably of rectangular steel plate construction, welded 519 to the top cross beam 510 and top longitudinal beam, with 4 threaded holes in the top for securing the right bearing mount assembly 80.

Preferably, the ball nut mounting seat 54 is a square steel tube structure, and is welded to the bottom of the bottom short beam 515, and is provided with 1 circular through hole and 6 uniformly distributed bolt holes on the side surface for mounting and fixing the ball nut. The slider mounting plate 53 is of a rectangular steel plate structure, and is welded to the bottom of the second bottom longitudinal beam 513, and 4 threaded holes are formed in the slider mounting plate and used for fixing the slider 52. The slide block 52 has a C-shaped cross-sectional structure and is precisely matched with the guide rail 120 to guide the right bracket assembly 50 to move left and right.

Fig. 12 is the structural schematic diagram of the ball screw assembly in the span-adjustable roll-over support frame of the present invention. Fig. 13 is the utility model discloses the assembly schematic diagram of hand wheel, right lead screw bearing frame and lead screw in span adjustable upset support frame.

As shown in fig. 12 and 13, the ball screw assembly 60 includes a screw 61, a ball nut 62, a right screw bearing block 63, a hand wheel 64, and a left screw bearing block 65, both ends of the screw 61 are set as stepped shafts, and are respectively connected with the right screw bearing block 63 and the left screw bearing block 65, the right screw bearing block 63 and the left screw bearing block 65 are respectively fixed to the support base 12, and the screw 61 is located between the guide rails 120. The ball nut 62 is fixed to the ball nut mounting seat 54 at the bottom of the right bracket assembly 60, and the hand wheel 64 is mounted to the outer end of the screw 61.

Preferably, the screw 61 and the ball nut 62 are standard kits for realizing stepless adjustment of the frame span, and both ends of the screw 61 are provided with step shafts and are mounted on the left screw bearing seat 65 and the right screw bearing seat 63. The left screw bearing seat 65 and the right screw bearing seat 63 are standard bearing seat sets and are fixed on the left screw support plate 129 and the right screw support plate 127 through bolts. The ball nut 62 is fixed to the ball nut mount 54 by a bolt and a nut. The handwheel 64 is mounted on the screw 61 through a third key 641 and is pressed and fixed by the pressing plate 66 and the screw.

Therefore, the movable support driven by the ball screw enables the supporting span at the two ends of the frame to be stepless and adjustable, and the requirements for supporting and overturning the casing assemblies with different sizes are met.

As shown in fig. 14, the roll-over support frame further includes a collector pan assembly 90, the collector pan assembly 90 being disposed below the support base 12. Collector tray assembly 90 includes a collector tray 91 and a mesh barrier 92, with mesh barrier 92 being disposed on collector tray 91.

The oil collecting tray 91, the second handle 93 and the oil outlet nozzle 94 are welded together, the oil outlet nozzle 94 is arranged at the lower middle part of the long folded edge of the oil collecting tray 91, the grid interlayer 92 is arranged on the oil collecting tray 91, and the blocking cover 95 is arranged on the oil outlet nozzle 94 through sealing threads.

Preferably, the oil collecting tray 91 is of a rectangular welding disc-shaped structure, wherein one long edge is designed to be a symmetrical trapezoid folded edge, so that oil can be collected to the oil outlet nozzle when the other long edge is lifted. The grid interlayer 92 adopts a grid structure of 5mm multiplied by 5mm, so that splashing generated when oil is dripped into the oil collecting tray is prevented, and the plant floor is prevented from being polluted.

According to the structure, the utility model discloses the reduction gear subassembly passes through the bolt fastening on left bearing frame mounting panel in the span adjustable upset supports frame, and left bearing frame subassembly and right bearing frame subassembly pass through the bolt fastening respectively on left bearing frame mounting panel and right bearing frame mounting panel, and left side supporting shaft subassembly is installed on two bearing frame subassemblies in the left side to through the shaft coupling and the torque output shaft of reduction gear subassembly. The right support shaft assembly is mounted on the two right bearing block assemblies. The lead screw of ball screw subassembly supports on left bracket component, and ball nut fixes on ball nut mount pad, realizes moving about right bracket component through rotating the hand wheel to realize the infinitely variable control of frame span.

The utility model discloses span adjustable upset support frame can carry out following operating procedure:

step one, adjusting the span of the frame according to the span of the switching section, moving the right support assembly to the left (or to the right) by rotating a hand wheel of the ball screw assembly during adjustment, adjusting the span of the frame to be consistent with that of the casing switching section, installing the switching section on a left support shaft assembly and a right support shaft assembly on the frame, and then installing casing parts on the switching section.

And step two, pulling the pin shaft of the spring pin assembly outwards, rotating the pin shaft for 90 degrees, limiting the pin shaft in the shallow rectangular groove of the shaft sleeve, and simultaneously pulling out the limiting pin from the pin.

And thirdly, rotating a hand wheel of the reducer assembly according to the assembly requirements of the parts such as the casing, and adjusting the posture of the parts such as the casing.

And step four, pulling the pin shaft of the spring pin assembly outwards, rotating the pin shaft for 90 degrees, limiting the pin shaft in the deep rectangular groove of the shaft sleeve, and simultaneously inserting the pin shaft into the limiting pin.

And step five, repeating the operations of the step two to the step four, so that the various postures of the casing type parts can be oriented to the operator on the stepless adjustable frame, and different assembly requirements can be met.

To sum up, the utility model discloses span adjustable upset support frame adopts ball screw driven movable support for the frame both ends support the stepless adjustable of span, realize the support and the upset of the quick-witted casket subassembly of not unidimensional size. The driven rotating mandrel is provided with the index plate and the pin shaft, so that the positioning and the supporting of a plurality of postures of the casing component are realized, the operation is convenient, and the assembly efficiency of the casing component is improved. The hollow interlayer oil collecting tray can prevent residual oil in the cavity of the component from splashing to pollute the ground of a plant after dripping, so that the cleanness of the plant is ensured, and unnecessary labor cost is reduced. The overturning support frame can realize the support and the overturning of the casing assemblies with various sizes through one set of frame, so that the number of field tools is reduced, and the tool cost and the management difficulty are reduced.

Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.

Claims

1. A span-adjustable roll-over support frame, comprising:

2. The span-adjustable roll-over support frame of claim 1, wherein the support base is a frame structure, and the support base is provided with at least two guide rails, and the right support assembly is slidably disposed on the guide rails.

3. The span-adjustable roll-over support frame of claim 1, wherein the left support assembly further comprises a universal wheel, an orientation wheel and a foot assembly, the universal wheel is mounted at the bottom of one end of the support base and is positioned below the left support frame;

4. The span-adjustable roll-over support frame according to claim 1, wherein the left support shaft assembly comprises a mounting seat, a left support shaft, a coupling and a retainer ring, the mounting seat and the left support shaft are connected into a whole through a first key and the retainer ring, and the coupling connects the left support shaft and the torque output shaft of the reducer assembly through a second key.

5. The span-adjustable roll-over support frame according to claim 4, wherein the mounting seat is L-shaped and comprises a lower rectangular block and an upper rectangular block, the lower rectangular block is provided with a circular through hole and a key slot which are respectively matched with the left support shaft and the corresponding first key, and the upper rectangular block is provided with a plurality of threaded holes for fixing a switching section.

6. The span-adjustable roll-over support frame according to claim 4, wherein the left support shaft is of a stepped shaft structure, and key grooves are formed in two ends of the left support shaft and are used for being connected with the torque output shaft of the reducer assembly and the mounting seat through the first key and the second key respectively.

7. The span-adjustable roll-over support frame according to claim 1, wherein the right support shaft assembly comprises a limit support, a plurality of limit pins, a right support shaft and a spring pin assembly, the limit pins are mounted on the limit support, the right support shaft is fixed on the limit support, and the spring pin assembly is mounted on the corresponding limit pins.

8. The span-adjustable roll-over support frame of claim 7, wherein the spring pin assembly comprises a first handle, a bushing, a spring, a positioning pin and a pin, the spring is sleeved on the pin, the pin penetrates through the bushing, the first handle is mounted on the pin, and the positioning pin is mounted on the pin for locking the extension length of the pin.

9. The span-adjustable roll-over support frame of claim 1, wherein the right bracket assembly comprises a right bracket welding assembly and a sliding block, and the sliding block is fixed at the bottom of the right bracket welding assembly;

10. The span-adjustable roll-over support frame of claim 2, wherein the ball screw assembly comprises a screw, a ball nut, a right screw bearing seat, a hand wheel and a left screw bearing seat, the two ends of the screw are stepped shafts respectively connected with the right screw bearing seat and the left screw bearing seat, the right screw bearing seat and the left screw bearing seat are respectively fixed on the support base, and the screw is located between the guide rails; the ball nut is fixed on a ball nut mounting seat at the bottom of the right bracket component, and the hand wheel is mounted at the outer end part of the screw rod.

11. The adjustable span roll-over support frame of any one of claims 1-10, further comprising a collector pan assembly disposed below the support base.