CN219326276U - Multi-channel connecting rod stepping conveying line body - Google Patents

Abstract

The application discloses multichannel connecting rod step-by-step transfer chain body relates to unloading equipment technical field, including lower aluminium alloy subassembly, the top position of lower aluminium alloy subassembly is fixed with aluminium alloy subassembly, install riser subassembly, adjusting part, scale table sub-assembly, stop subassembly and oil receiving dish subassembly down on the aluminium alloy subassembly respectively, scale table sub-assembly is fixed with last aluminium alloy subassembly each other, the bottom position of riser subassembly is fixed with the unloading line support, the unloading line support includes the square pipe, the square pipe is provided with the multiunit, the multiunit the top position of square pipe is fixed with multiunit steel sheet. The utility model provides a step-by-step structure at last aluminium alloy subassembly, lower aluminium alloy subassembly, riser subassembly, unloading line support, adjusting part, scale minor assembling, stop subassembly and oil pan subassembly can improve the interaction effect of manipulator, improves the security to the location is accurate, is convenient for artifical unloading divides the material.

Description

Multi-channel connecting rod stepping conveying line body

Technical Field

The application relates to the technical field of blanking equipment, in particular to a multi-channel connecting rod stepping conveying line body.

Background

In the processing process of workpieces, the blanking equipment is one of important components, and the multi-channel connecting rod stepping conveying line body is manual blanking automation equipment which can be applied to finished product blanking lines of connecting rod automation production lines.

The Chinese patent document with the publication number of CN204587917U discloses a stepping wire conveying mechanism, which comprises a frame, an eccentric driving assembly, a synchronous lifting assembly and a reciprocating swinging assembly, wherein the eccentric driving assembly, the synchronous lifting assembly and the reciprocating swinging assembly are respectively connected with the frame; the frame comprises bracket legs, an aluminum profile supporting plate, a guide rod, a base and a foundation assembly; the synchronous lifting assembly comprises a sliding block device, a transmission shaft, a guide rail device, a bearing seat backing plate, a hand wheel device, a coupler, a dust cover and a screw rod lifter.

The utility model file is inconvenient to partition the feeding and discharging area on the manipulator and the manual work, so that the labor intensity of personnel material distribution is high.

Disclosure of Invention

In order to solve the problem that the above-mentioned multi-channel connecting rod stepping conveying line body in the current market is inconvenient to partition the feeding and discharging areas on the manipulator and the labor intensity of personnel distribution is high, the application provides a multi-channel connecting rod stepping conveying line body.

The application provides a multichannel connecting rod step-by-step transfer chain body adopts following technical scheme:

the utility model provides a multichannel connecting rod step-by-step transfer chain body, includes aluminium alloy subassembly down, the top position of aluminium alloy subassembly is fixed with the aluminium alloy subassembly down, install riser subassembly, adjusting part, scale table sub-assembly, stop subassembly and oil pan receiving subassembly down on the aluminium alloy subassembly respectively, scale table sub-assembly is fixed with last aluminium alloy subassembly each other, the bottom position of riser subassembly is fixed with the unloading line support, it is fixed with unloading line support each other to go up aluminium alloy subassembly and unloading line support.

Optionally, the unloading line support includes the side pipe, the side pipe is provided with the multiunit, multiunit the top position of side pipe is fixed with multiunit steel sheet.

Optionally, the motor is still installed on the unloading line support, cam structure is installed to the end of motor output shaft, cam structure is fixed mutually with lower aluminium alloy subassembly through adjusting part.

Through adopting above-mentioned technical scheme, at aluminium alloy subassembly, lower aluminium alloy subassembly, riser subassembly, unloading line support, adjusting part, the little assembly of scale table, block the step-by-step structure of subassembly and oil pan subassembly, can improve the interaction effect of manipulator, improve the security to the location is accurate, is convenient for artifical unloading divides the material.

Optionally, go up aluminium alloy subassembly and include the aluminium alloy stand, it is provided with the multiunit to go up the aluminium alloy stand, multiunit go up the aluminium alloy stand all fix on multiunit steel sheet, multiunit go up the top position of aluminium alloy stand is fixed with multiunit and goes up the aluminium alloy, multiunit evenly distributed installs optical axis adjustment seat, optical axis clamping piece and walking optical axis on the last aluminium alloy, the end dog is installed to the end of walking optical axis.

By adopting the technical scheme, the workpiece can be fed through the manipulator at the other end head of the travelling optical axis.

Optionally, the lower aluminium alloy subassembly includes aluminium alloy down, aluminium alloy is provided with the multiunit down, multiunit aluminium alloy down all installs on the riser subassembly through aluminium alloy connecting block down, multiunit aluminium alloy upper and lower both sides evenly install multiunit briquetting and lower briquetting respectively down, multiunit the push plate is installed to the position between briquetting and the lower briquetting, and the fall protection board is installed to aluminium alloy connecting block upper end down to multiunit, multiunit aluminium alloy's tip down all is fixed with little jacking direction, multiunit install the ya keli board in the little jacking direction.

Through adopting above-mentioned technical scheme, the motor can drive down aluminium alloy and do reciprocating motion to can move push plate and work piece contact forward and make the work piece move forward, backward move work piece and push plate contact, thereby reach work piece step-by-step advancing, prevent falling the board and can prevent to drop the back and cause work piece surface damage when work piece step-by-step.

Optionally, the riser subassembly includes bush mounting panel and slide rail mounting panel, the bush mounting panel is fixed on the unloading line support, the slide rail mounting panel is fixed on lower aluminium alloy connecting block, the slider installation piece is all installed to slide rail mounting panel diapire's both sides, the bottom position of slider installation piece is fixed with the slide rail slider, the slide rail slider is fixed with lower aluminium alloy mutually, the bottom position of slide rail slider is fixed with the bush mounting panel through oilless bush, the diapire both sides of bush mounting panel all are fixed with the installation riser, two sets of the bottom position of installation riser is fixed with the riser mounting panel, the inside both sides of riser mounting panel all are fixed with the lead screw lift, two sets of the take-up pulley fixed with riser mounting panel diapire mutually is all installed to lead screw lift outer wall upper end, two sets of the output at lead screw lift top is fixed with the jacking connecting plate, the inside both sides of jacking connecting plate all movable sleeve is equipped with the guiding axle, both ends are fixed with riser mounting panel and bush mounting panel respectively.

Through adopting above-mentioned technical scheme, can restrict the removal route of aluminium alloy down under the effect of slide rail slider, thereby utilize the lead screw lift can drive the jacking connecting plate and rise or descend and adjust the height.

Optionally, the adjusting part includes the backplate, backplate and cam contact, the both sides of backplate all are fixed with the fixed plate, two sets of the fixed plate is close to the upper end of one side lateral wall each other and evenly is fixed with multiunit first connecting strip, multiunit first connecting strip is fixed mutually with lower aluminium alloy.

Through adopting above-mentioned technical scheme, thereby utilize the motor to drive cam rotation can drive the backplate and remove, thereby can drive down aluminium alloy synchronous step-by-step removal.

Optionally, the dial gauge sub-assembly comprises a dial gauge pointer and a dial gauge, wherein the dial gauge pointer is fixed on the lower aluminum profile through a second connecting strip, and the dial gauge is fixed on the upper aluminum profile upright post.

By adopting the technical scheme, the distance of the stepping displacement of the lower aluminum profile can be controlled under the action of the dial gauge pointer, the dial gauge and the second connecting strip.

Optionally, the blocking component comprises a shaft support, the shaft support is provided with a plurality of groups, the plurality of groups of shaft supports are all fixed on the lower aluminum profile, the plurality of groups of shaft supports are all fixed with an adjusting shaft through a first fixing block, the top position of the adjusting shaft is fixed with a blocking shaft, and a bushing is installed in the blocking shaft through a fastening screw.

Through adopting above-mentioned technical scheme, under the effect of blocking axle, bush and fastening screw, can prevent that the work piece from moving to the end after dropping.

Optionally, the oil receiving disc assembly comprises an integral oil receiving disc, the integral oil receiving disc is provided with two groups, and the two groups of the end parts of the integral oil receiving disc are fixed with the square tube through second fixing blocks.

Through adopting above-mentioned technical scheme, can concentrate and collect waste and cut residues etc. and not drop in workshop ground under the effect of integral oil receiving dish, convenient arrangement.

In summary, the present application includes at least one of the following beneficial effects: last aluminium alloy subassembly, lower aluminium alloy subassembly, riser subassembly, unloading line support, adjusting part, the little assembly of scale table, block the step-by-step structure of subassembly and oil pan subassembly, can improve the interaction effect of manipulator, improve the security to the location is accurate, is convenient for artifical unloading branch material.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic perspective view of a blanking line bracket according to the present application;

FIG. 3 is a schematic perspective view of an aluminum profile assembly according to the present application;

FIG. 4 is a schematic structural diagram of an aluminum profile assembly according to the present application;

FIG. 5 is a second schematic structural diagram of an aluminum profile assembly according to the present application;

FIG. 6 is a schematic perspective view of a lifter assembly of the present application;

FIG. 7 is a schematic perspective view of an adjusting assembly of the present application;

FIG. 8 is a schematic diagram of a small assembly structure of the scale of the present application;

FIG. 9 is a schematic diagram of a small assembly structure of the scale of the present application;

FIG. 10 is a schematic perspective view of a blocking assembly of the present application;

fig. 11 is a schematic perspective view of a blanking line bracket and oil pan assembly of the present application.

In the figure: 1. an upper aluminum profile assembly; 101. an aluminum profile upright post is arranged; 102. a walking optical axis; 103. an optical axis clamping block; 104. an optical axis adjusting seat; 105. an upper aluminum profile; 106. an end stop; 2. a lower aluminum profile assembly; 201. a lower aluminum profile; 202. pressing the block; 203. a pushing plate; 204. briquetting; 205. lifting and guiding the small head; 206. a lower aluminum profile connecting block; 207. an acrylic plate; 208. a fall protection plate; 3. a lifter assembly; 301. a bushing mounting plate; 302. a lifter mounting plate; 303. a guide shaft; 304. installing a vertical plate; 305. a slide rail mounting plate; 306. jacking the connecting plate; 307. a slider mounting block; 308. a slide rail slide block; 309. a screw rod lifter; 310. an oilless bushing; 311. a tensioning wheel; 4. a blanking line bracket; 401. square tubes; 402. a steel plate; 5. an adjustment assembly; 501. a fixing plate; 502. a back plate; 503. a first connecting bar; 6. the dial gauge is assembled in a small way; 601. a dial indicator; 602. a scale; 603. a second connecting bar; 7. a blocking assembly; 701. a shaft support; 702. a blocking shaft; 703. a bushing; 704. an adjusting shaft; 705. a first fixed block; 706. a fastening screw; 8. an oil pan assembly; 801. an integral oil receiving disc; 802. and a second fixed block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-11.

Referring to fig. 1 and 2 of the drawings, an embodiment provided in the present application: the utility model provides a multichannel connecting rod step-by-step transfer chain body, including lower aluminium alloy subassembly 2, the top position of lower aluminium alloy subassembly 2 is fixed with aluminium alloy subassembly 1, install riser subassembly 3 on the lower aluminium alloy subassembly 2 respectively, adjusting part 5, the little assembly of scale table 6, stop subassembly 7 and oil pan subassembly 8 connect, the little assembly of scale table 6 is fixed with last aluminium alloy subassembly 1 each other, the bottom position of riser subassembly 3 is fixed with unloading line support 4, go up aluminium alloy subassembly 1 and unloading line support 4 each other and fix, unloading line support 4 includes square pipe 401, square pipe 401 is provided with the multiunit, the top position of multiunit square pipe 401 is fixed with multiunit steel sheet 402, still install the motor on the unloading line support 4, the cam structure is installed to the end of motor output shaft, cam structure is fixed mutually with lower aluminium alloy subassembly 2 through adjusting part 5.

Referring to fig. 1 and 3 in the drawings, an upper aluminum profile assembly 1 includes an upper aluminum profile column 101, the upper aluminum profile column 101 is provided with a plurality of groups, the plurality of groups of upper aluminum profile columns 101 are all fixed on a plurality of groups of steel plates 402, a plurality of groups of upper aluminum profile 105 are fixed at the top positions of the plurality of groups of upper aluminum profile columns 101, optical axis adjusting seats 104, optical axis clamping blocks 103 and traveling optical axes 102 are uniformly distributed on the plurality of groups of upper aluminum profile 105, and end stops 106 are installed at the tail ends of the traveling optical axes 102. The workpiece can be fed through the manipulator at the other end of the traveling optical axis 102.

Referring to fig. 1, 4 and 5 in the drawings of the specification, the lower aluminum profile assembly 2 comprises a lower aluminum profile 201, the lower aluminum profile 201 is provided with a plurality of groups, the lower aluminum profiles 201 of the plurality of groups are all installed on the lifter assembly 3 through lower aluminum profile connecting blocks 206, a plurality of groups of pressing blocks 204 and lower pressing blocks 202 are respectively and uniformly installed on the upper side and the lower side of the lower aluminum profile 201 of the plurality of groups, a push plate 203 is installed at the position between the plurality of groups of pressing blocks 204 and the lower pressing blocks 202, a falling-preventing plate 208 is installed at the upper end of the lower aluminum profile connecting blocks 206 of the plurality of groups, small-head jacking guide 205 is fixed at the end parts of the lower aluminum profiles 201 of the plurality of groups, and an acrylic plate 207 is installed in the small-head jacking guide 205 of the plurality of groups.

The motor can drive the lower aluminum profile 201 to reciprocate, and can move forward the push plate 203 to contact with the workpiece so that the workpiece moves forward, and move backward without contacting the push plate 203, so that the workpiece can move forward step by step, and the anti-falling plate 208 can prevent the workpiece from being damaged after falling down when the workpiece steps.

Referring to fig. 1 and 6 of the drawings, the lifter assembly 3 includes a bushing mounting plate 301 and a sliding rail mounting plate 305, the bushing mounting plate 301 is fixed on the blanking line bracket 4, the sliding rail mounting plate 305 is fixed on the lower aluminum profile connecting block 206, sliding block mounting blocks 307 are all installed on two sides of the bottom wall of the sliding rail mounting plate 305, sliding rail sliding blocks 308 are fixed at the bottom positions of the sliding block mounting blocks 307, the sliding rail sliding blocks 308 are fixed with the lower aluminum profile 201 through oil-free bushings 310, mounting risers 304 are all fixed on two sides of the bottom wall of the bushing mounting plate 301, lifter mounting plates 302 are fixed at the bottom positions of the two groups of mounting risers 304, screw lifters 309 are all fixed on two sides of the inside of the lifter mounting plate 302, tensioning wheels 311 fixed with the bottom wall of the lifter mounting plate 302 are all installed at the upper ends of the outer walls of the two groups of screw lifters 309, lifting connecting plates 306 are fixed at the output ends of the tops of the two groups of screw lifters 309, guide shafts 303 are movably sleeved on two sides inside the lifting connecting plates 306, and the upper ends and lower ends of the guide shafts 303 are respectively fixed with the lifter mounting plate 302 and the bushing mounting plate 301.

The moving path of the lower aluminum profile 201 can be limited under the action of the sliding rail sliding block 308, and the lifting connecting plate 306 can be driven to ascend or descend by the screw rod lifter 309 so as to adjust the height.

Referring to fig. 1 and 7 in the drawings, the adjusting assembly 5 includes a back plate 502, the back plate 502 contacts with a cam, fixing plates 501 are fixed on two sides of the back plate 502, a plurality of groups of first connecting strips 503 are uniformly fixed on upper ends of side walls of the two groups of fixing plates 501, which are close to each other, and the plurality of groups of first connecting strips 503 are fixed with a lower aluminum profile 201. The motor drives the cam to rotate so as to drive the backboard to move, and then the lower aluminum profile 201 can be driven to synchronously move in a stepping way.

Referring to fig. 1, 8 and 9 of the drawings, the dial gauge sub-assembly 6 includes a dial gauge pointer 601 and a dial gauge 602, the dial gauge pointer 601 is fixed on the lower aluminum profile 201 through a second connecting strip 603, and the dial gauge 602 is fixed on the upper aluminum profile upright 101. The distance of the step displacement of the lower aluminum profile 201 can be controlled under the action of the dial indicator 601, the dial indicator 602 and the second connecting bar 603.

Referring to fig. 1 and 10 of the drawings, the blocking assembly 7 includes a plurality of sets of shaft supports 701, the shaft supports 701 are provided with a plurality of sets of shaft supports 701, the shaft supports 701 are all fixed on the lower aluminum profile 201, the shaft supports 701 are all fixed with adjusting shafts 704 through first fixing blocks 705, the top positions of the adjusting shafts 704 are fixed with blocking shafts 702, and the inside of the blocking shafts 702 is provided with bushings 703 through fastening screws 706. The work piece is prevented from falling down after moving to the tip by the blocking shaft 702, the bushing 703 and the fastening screw 706.

Referring to fig. 1 and 11 of the drawings, the oil pan assembly 8 includes an integral oil pan 801, the integral oil pan 801 is provided with two groups, and the ends of the two groups of integral oil pans 801 are fixed to the square tube 401 by second fixing blocks 802. The waste cutting residues and the like can be collected intensively under the action of the integral oil receiving disc 801 and cannot fall on the workshop floor, so that the arrangement is convenient.

Working principle: when the multichannel connecting rod stepping conveying line body is used, a plurality of groups of square pipes 401 and steel plates 402 are mutually welded and spliced and combined, foundation bolt mounting plates are welded at the bottom positions of the square pipes 401, so that the heights of the square pipes can be adjusted, a plurality of groups of upper aluminum profile columns 101 and upper aluminum profiles 105 are mutually welded and fixed and are mounted on the steel plates 402, a workpiece can be fed at the other end of a traveling optical axis 102 through a manipulator, a starting motor drives a cam to rotate so as to drive a backboard to move, the backboard 502 and a first connecting strip 503 drive a lower aluminum profile 201 to move forwards, a pushing plate 203 is in contact with the workpiece so that the workpiece moves forwards, the workpiece is moved backwards without being in contact with the pushing plate 203, and the workpiece stepping advance is achieved.

The lower aluminum profile 201 can drive the sliding rail mounting plate 305, the sliding block mounting block 307, the sliding rail sliding block 308 and the sliding rail mounting plate 305 to synchronously move when moving, so that the moving path of the lower aluminum profile 201 can be limited, the lifting connecting plate 306 can be driven to synchronously move up and down by starting the extension of the screw rod lifter 309, the moving path of the lifting connecting plate 306 can be limited under the action of the two groups of guide shafts 303, the height of the lower aluminum profile 201 can be adjusted, the bushing mounting plate 301 and the second connecting strip 603 can be driven to synchronously move when the lower aluminum profile 201 moves up and down, the stepping displacement distance can be controlled under the marking action of the scale marks of the scale table 602, and the height can be adjusted under the condition that the operation does not need to be stopped.

Can drive axle support 701 synchronous motion under the effect of lower aluminium alloy 201, under the effect of stopping axle 702, bush 703 and fastening screw 706, can prevent that the work piece from moving to the end after dropping, can concentrate to collect and useless the cutting residue etc. and do not drop in the workshop ground under the effect of integral oil receiving dish 801, convenient arrangement.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a multichannel connecting rod step-by-step transfer chain body, includes aluminium alloy subassembly (2), its characterized in that: the aluminum profile assembly is characterized in that an upper aluminum profile assembly (1) is fixed at the top position of the lower aluminum profile assembly (2), a lifter assembly (3), an adjusting assembly (5), a dial gauge sub-assembly (6), a blocking assembly (7) and an oil receiving disc assembly (8) are respectively installed on the lower aluminum profile assembly (2), the dial gauge sub-assembly (6) and the upper aluminum profile assembly (1) are mutually fixed, a blanking line bracket (4) is fixed at the bottom position of the lifter assembly (3), and the upper aluminum profile assembly (1) and the blanking line bracket (4) are mutually fixed.

2. The multi-channel link stepping conveyor line body according to claim 1, wherein: the blanking line support (4) comprises square tubes (401), a plurality of groups of square tubes (401) are arranged, and a plurality of groups of steel plates (402) are fixed at the top positions of the square tubes (401).

3. The multi-channel link stepping conveyor line body according to claim 1, wherein: the feeding line support (4) is further provided with a motor, the tail end of an output shaft of the motor is provided with a cam structure, and the cam structure is fixed with the lower aluminum profile assembly (2) through an adjusting assembly (5).

4. The multi-channel link stepping conveyor line body according to claim 1, wherein: go up aluminium alloy subassembly (1) including last aluminium alloy stand (101), go up aluminium alloy stand (101) are provided with the multiunit, the multiunit go up aluminium alloy stand (101) all fix on multiunit steel sheet (402), multiunit go up the top position of aluminium alloy stand (101) is fixed with multiunit and goes up aluminium alloy (105), multiunit evenly distributed installs optical axis adjustment seat (104), optical axis clamping block (103) and walking optical axis (102) on going up aluminium alloy (105), end dog (106) are installed to the end of walking optical axis (102).

5. The multi-channel link stepping conveyor line body according to claim 1, wherein: lower aluminium alloy subassembly (2) include aluminium alloy (201) down, aluminium alloy (201) are provided with the multiunit down, multiunit aluminium alloy (201) down all install on riser subassembly (3) through aluminium alloy connecting block (206) down, multiunit aluminium alloy (201) upper and lower both sides evenly install multiunit briquetting (204) and briquetting (202) down respectively down, multiunit push plate (203) are installed in the position between briquetting (204) and briquetting (202) down, and fall-proof plate (208) are installed to aluminium alloy connecting block (206) upper end down in the multiunit, multiunit aluminium alloy (201)'s tip all is fixed with little head jacking direction (205), and multiunit install acrylic board (207) in little head jacking direction (205).

6. The multi-channel link stepping conveyor line body according to claim 5, wherein: the lifter assembly (3) comprises a bushing mounting plate (301) and a sliding rail mounting plate (305), the bushing mounting plate (301) is fixed on a blanking line bracket (4), the sliding rail mounting plate (305) is fixed on a lower aluminum profile connecting block (206), sliding block mounting blocks (307) are respectively mounted on two sides of the bottom wall of the sliding rail mounting plate (305), sliding rail sliding blocks (308) are fixedly arranged at the bottom positions of the sliding block mounting blocks (307), the sliding rail sliding blocks (308) are fixedly connected with the lower aluminum profile (201), the bottom positions of the sliding rail sliding blocks (308) are fixedly connected with the bushing mounting plate (301) through oil-free bushings (310), mounting vertical plates (304) are respectively fixed on two sides of the bottom wall of the bushing mounting plate (301), screw lifters (309) are respectively fixed on two sides of the inside of the mounting vertical plates (304), tensioning wheels (311) fixedly connected with the bottom wall of the lifter mounting plate (302) are respectively mounted on the outer walls of the two groups of the screw lifters (309), guide connecting plates (306) are respectively arranged at the two sides of the top of the lifting plates (306), the upper and lower ends of the guide shaft (303) are respectively fixed with the lifter mounting plate (302) and the bushing mounting plate (301).

7. A multi-channel link stepper conveyor line body as defined in claim 3, wherein: the adjusting component (5) comprises a back plate (502), the back plate (502) is contacted with the cam, fixing plates (501) are fixed on two sides of the back plate (502), a plurality of groups of first connecting strips (503) are uniformly fixed on the upper ends, close to one side wall, of the fixing plates (501), and a plurality of groups of first connecting strips (503) are fixed with the lower aluminum profile (201).

8. The multi-channel link stepping conveyor line body according to claim 5, wherein: the dial gauge sub-assembly (6) comprises a dial gauge pointer (601) and a dial gauge (602), wherein the dial gauge pointer (601) is fixed on the lower aluminum profile (201) through a second connecting strip (603), and the dial gauge (602) is fixed on the upper aluminum profile upright post (101).

9. The multi-channel link stepping conveyor line body according to claim 5, wherein: the blocking assembly (7) comprises shaft supports (701), the shaft supports (701) are provided with a plurality of groups, the shaft supports (701) are all fixed on the lower aluminum profile (201), the shaft supports (701) are all fixed with adjusting shafts (704) through first fixing blocks (705), the top positions of the adjusting shafts (704) are fixedly provided with blocking shafts (702), and bushings (703) are arranged in the blocking shafts (702) through fastening screws (706).

10. The multi-channel link stepping conveyor line body according to claim 2, wherein: the oil receiving disc assembly (8) comprises an integral oil receiving disc (801), two groups of integral oil receiving discs (801) are arranged, and the ends of the two groups of integral oil receiving discs (801) are fixed with the square tube (401) through second fixing blocks (802).

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