Manual auxiliary butt joint device for box preassembling trolley

Abstract

The utility model belongs to the field of AP1000 nuclear fuel manufacturing, and relates to a manual auxiliary butt joint device for a pre-assembled box trolley, which comprises a first layer structure, a second layer structure, a third layer structure and a fourth layer structure, the first layer structure, the second layer structure, the third layer structure and the fourth layer structure are sequentially connected from top to bottom, and the first layer structure is used for placing and positioning a pre-assembled box; the second-layer structure is used for adjusting the position deflection of the pre-assembled box positioning hole and the fixed pin, so that the front and back positions of the pre-assembled box positioning hole and the fixed pin after adjustment are on the same axis; the third-layer structure is used for adjusting the position deviation of the positions of the pre-assembled box positioning hole and the fixing pin on the Y axis, so that the adjusted positions of the pre-assembled box positioning hole and the fixing pin are centered on the Y axis; the fourth-layer structure is used for adjusting the position deviation of the positions of the pre-assembled box positioning hole and the fixing pin on the X axis, so that the adjusted positions of the pre-assembled box positioning hole and the fixing pin are centered on the X axis. According to the utility model, accurate positioning of the positioning hole and the fixing pin of the preassembled box can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to AP1000 nuclear fuel manufacturing technical field, specifically relates to a kind of preloading box trolley manual auxiliary docking device. BACKGROUND

[0002] Currently, in fuel assembly assembly post, AP1000 fuel rod is completed after preloading, and operator needs to transfer full preloading box to predetermined station, and cooperate with four pins on docking station and fixed product station to place and fix, 4 operators are needed to manually move trolley to realize at present stage, preloading box docking pinhole precision is higher, workpiece is longer and heavier, in the process of manual docking, it is difficult to guarantee that the contact of guide pin and positioning hole is concentric in theory, and there is a great transverse or lateral frictional resistance in the falling process, and there is also the risk of inaccurate docking and product falling safety In view of the above situation.

[0003] In view of the above situation, a preloading box trolley manual auxiliary docking device is urgently needed to overcome the above problems existing at present. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of preloading box trolley manual auxiliary docking device, which can effectively reduce the resistance in horizontal direction, ensure that workpiece falls quickly to positioning hole, and realize accurate positioning of preloading box positioning hole and fixed pin.

[0005] The technical scheme for achieving the utility model:

[0006] A kind of preloading box trolley manual auxiliary docking device, the device includes first layer structure, second layer structure, third layer structure and fourth layer structure, first layer structure, second layer structure, third layer structure and fourth layer structure are sequentially connected from top to bottom, first layer structure is used to place and position preloading box;Second layer structure is used to adjust the position deviation of preloading box positioning hole and fixed pin, so that the front and rear positions of preloading box positioning hole and fixed pin after adjustment are on the same axis;Third layer structure is used to adjust the position deviation of preloading box positioning hole and fixed pin in Y axis, so that the position of preloading box positioning hole and fixed pin after adjustment is centered in Y axis;Fourth layer structure is used to adjust the position deviation of preloading box positioning hole and fixed pin in X axis, so that the position of preloading box positioning hole and fixed pin after adjustment is centered in X axis.

[0007] Second layer structure includes: bull's eye bearing, slewing bearing, installation base plate A;Bull's eye bearing and slewing bearing are located on installation base plate A, installation base plate A is centrally installed with bull's eye bearing, and installation base plate A is symmetrically installed with bull's eye bearing at four corner positions;Through the cooperation of bull's eye bearing and slewing bearing, the uppermost layer mechanism has ±5 ° of activity in the rotation direction.

[0008] The second layer structure further comprises: a limiting block A and a limiting block B, both of which are located on the mounting base A and symmetrically installed on both sides of the bullseye bearing along the Y-axis direction.

[0009] The third layer structure comprises: a mounting base B, a transmission shaft, a handle A, a commutator, a shaft coupling, a lead screw nut connecting piece, a lead screw A and a lead screw A, all of which are located on the mounting base B; the lead screw A is installed on the middle position of the mounting base B along the Y-axis direction through the lead screw nut connecting piece; one end of the lead screw A is connected with the commutator through the shaft coupling, one end of the transmission shaft is connected with the commutator along the direction perpendicular to the lead screw A, and the other end of the transmission shaft is connected with the handle A; the lead screw A is installed with the lead screw A; the transmission shaft, the handle A, the commutator, the shaft coupling, the lead screw nut connecting piece, the lead screw A and the lead screw A form a horizontal sliding mechanism along the Y-axis direction.

[0010] The third layer structure further comprises: a linear slide rail A, a sliding block A and a sliding block connecting piece A, all of which are located on the mounting base B; the sliding block connecting piece A is symmetrically installed at the four corner positions of the mounting base B, the sliding block A is installed on the sliding block connecting piece A, and the linear slide rail A is installed on the sliding block A.

[0011] The fourth layer structure comprises: a mounting base C, a lead screw B, a lead screw nut, a handle B23, and a lead screw nut connecting piece, all of which are located on the mounting base C; the lead screw B is installed on the middle position of the mounting base C along the X-axis direction through the lead screw nut; the lead screw nut connecting piece is installed on the lead screw nut, and the lead screw nut connecting piece is installed on the mounting base B of the third layer structure; one end of the lead screw B is connected with the handle B; the lead screw B, the lead screw nut, the handle B and the lead screw nut connecting piece form a horizontal sliding mechanism along the X-axis direction.

[0012] The fourth layer structure further comprises: a linear slide rail B, a sliding block B and a sliding block connecting piece B, all of which are located on the mounting base C; the linear slide rail B is symmetrically installed on both sides of the mounting base C, the sliding block B is installed on the linear slide rail B, and the sliding block connecting piece B is installed on the sliding block B, and the sliding block connecting piece B is installed on the mounting base B of the third layer structure.

[0013] The fourth layer structure further comprises: a limiting block C, which is located on the mounting base C; the limiting block C is installed at the adjacent position of the sliding block connecting piece B.

[0014] The first layer structure comprises: a positioning block, a quick clamp, and a mounting base D, wherein the positioning block and the quick clamp are located on the mounting base D; the mounting base D is symmetrically provided with the positioning block and the quick clamp, the width dimension of the positioning block is matched with the width dimension of the pre-assembly box, and the positioning block is used for limiting the position of the pre-assembly box in the width direction; the width dimension of the quick clamp is matched with the width dimension of the pre-assembly box, and the quick clamp is used for fixing the pre-assembly box.

[0015] The first layer structure further comprises: a positioning pin A, a positioning pin B, and a positioning pin C, wherein the positioning pin A, the positioning pin B, and the positioning pin C are located on the mounting base D; the positioning pin A, the positioning pin B, and the positioning pin C are matched with the insertion holes provided on the second layer structure, the third layer structure, and the fourth layer structure, and are used for positioning the first layer structure, the second layer structure, the third layer structure, and the fourth layer structure.

[0016] The beneficial technical effects of the utility model lie in:

[0017] 1. The pre-assembly box trolley manual auxiliary butt joint device provided by the application realizes accurate positioning of the pre-assembly box positioning hole and the fixing pin, effectively reduces safety risks, reduces labor intensity, and improves economic benefits.

[0018] 2. The pre-assembly box trolley manual auxiliary butt joint device provided by the application is provided with a horizontal sliding mechanism along the X-axis direction, a horizontal sliding mechanism along the Y-axis direction, and a 15° deviation adjustment setting on the axis position, so that the workpiece can be quickly positioned with the positioning hole through manual adjustment during the positioning process of the pre-assembly box. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 2 is a structural schematic view of the second layer structure in the pre-assembly box trolley manual auxiliary butt joint device provided by the utility model;

[0020] Figure 2 FIG. 3 is a structural schematic view of the third layer structure in the pre-assembly box trolley manual auxiliary butt joint device provided by the utility model;

[0021] Figure 3 FIG. 4 is a structural schematic view of the fourth layer structure in the pre-assembly box trolley manual auxiliary butt joint device provided by the utility model;

[0022] Figure 4 FIG. 5 is a structural schematic view of the first layer structure of the pre-assembly box trolley manual auxiliary butt joint device provided by the utility model;

[0023] Figure 5 FIG. 6 is a working state diagram of the pre-assembly box trolley manual auxiliary butt joint device provided by the utility model.

[0024] In the drawings:

[0025] 1-bull eye bearing; 2-limiting block A; 3-slewing bearing; 4-limiting block B; 5-mounting base plate A;

[0026] 6-mounting base plate B; 7-linear slide rail A; 8-sliding block A; 9-sliding block connecting piece A; 10-transmission shaft; 11-handle A; 12-commutator; 13-coupling; 14-screw nut connecting piece; 15-screw rod A; 16-screw rod A;

[0027] 17-mounting base plate C; 18-linear slide rail B; 19-sliding block B; 20-sliding block connecting piece B; 21-screw rod B; 22-screw nut; 23-handle B; 24-screw nut connecting piece; 25-limiting block C;

[0028] 26-positioning block; 27-quick clamp; 28-positioning pin A; 29-positioning pin B; 30-positioning pin C; 31-mounting base plate D; 32-center indicator light; 33-preloading box. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in combination with the drawings and examples.

[0030] The preloading box trolley manual auxiliary docking device provided by the application comprises a first layer structure, a second layer structure, a third layer structure and a fourth layer structure, the first layer structure, the second layer structure, the third layer structure and the fourth layer structure are connected in sequence from top to bottom, the first layer structure is used for placing and positioning the preloading box; the second layer structure is used for adjusting the position deviation of the preloading box positioning hole and the fixed pin in the Y axis direction, so that the front and back positions of the preloading box positioning hole and the fixed pin after adjustment are on the same axis; the third layer structure is used for adjusting the position deviation of the preloading box positioning hole and the fixed pin in the Y axis direction, so that the positions of the preloading box positioning hole and the fixed pin after adjustment are centered in the Y axis; and the fourth layer structure is used for adjusting the position deviation of the preloading box positioning hole and the fixed pin in the X axis direction, so that the positions of the preloading box positioning hole and the fixed pin after adjustment are centered in the X axis.

[0031] As shown in Figure 1 Fig. 2, the second layer structure comprises a bull eye bearing 1, a limiting block A 2, a slewing bearing 3, a limiting block B 4 and a mounting base plate A 5. The bull eye bearing 1, the limiting block A 2, the slewing bearing 3 and the limiting block B 4 are all located on the mounting base plate A 5, the mounting base plate A 5 is centrally provided with the bull eye bearing 1, the limiting block A 2 and the limiting block B 4 are symmetrically installed on the two sides of the bull eye bearing 1 in the Y axis direction, and the mounting base plate A 5 is symmetrically provided with the bull eye bearing 1 at the four corner positions.

[0032] The second layer structure includes a cow eye bearing 1 for supporting the load and ensuring that the upper workpiece can rotate freely by 360°. The rotary support 3 is located in the middle of the workpiece and is used to provide the main support force to support the load and ensure that the upper workpiece can rotate freely by 360°. The limit block A2 and the limit block B4 are used to limit the stroke when rotating forward, backward, left and right; if the stroke exceeds, the structure will fall off and a safety accident will occur. The cow eye bearing 1 and the rotary support 3 cooperate to make the uppermost layer mechanism have an activity amount of ±5° in the rotating direction.

[0033] As shown in Figure 2 , the third layer structure includes: a mounting bottom plate B6, a linear slide rail A7, a sliding block A8, a sliding block connecting piece A9, a transmission shaft 10, a handle A11, a commutator 12, a shaft coupling 13, a lead screw nut connecting piece 14, a lead screw A15, a lead screw A16. The linear slide rail A7, the sliding block A8, the sliding block connecting piece A9, the transmission shaft 10, the handle A11, the commutator 12, the shaft coupling 13, the lead screw nut connecting piece 14, the lead screw A15, the lead screw A16 are all located on the mounting bottom plate B6.

[0034] The mounting bottom plate B6 is symmetrically installed with the sliding block connecting piece A9 at four corner positions, the sliding block A8 is installed on the sliding block connecting piece A9, and the linear slide rail A7 is installed on the sliding block A8; the lead screw A16 is installed on the mounting bottom plate B6 at the middle position through the lead screw nut connecting piece 14 along the Y-axis direction; one end of the lead screw A16 is connected with the commutator 12 through the shaft coupling 13, one end of the transmission shaft 10 is connected with the commutator 12 along the direction perpendicular to the lead screw A16, and the other end of the transmission shaft 10 is connected with the handle A11; the lead screw A16 is installed with the lead screw A15. The transmission shaft 10, the handle A11, the commutator 12, the shaft coupling 13, the lead screw nut connecting piece 14, the lead screw A15 and the lead screw A16 form a horizontal sliding mechanism along the Y-axis direction.

[0035] The commutator 12 in the third layer structure is used to realize the functions of commutation and deceleration, and provides precise, efficient and reliable commutation. The shaft coupling 13 is used to transmit the torque applied on one shaft to another shaft to realize the transmission of power; through its flexible characteristics, the shaft coupling can absorb and alleviate vibration and impact, reducing the negative impact on the mechanical system; the shaft coupling can compensate for the relative displacement between the shafts, such as axial, radial or angular deviation.

[0036] As shown in Figure 3 , the fourth layer structure includes: a mounting bottom plate C17, a linear slide rail B18, a sliding block B19, a sliding block connecting piece B20, a lead screw B21, a lead screw nut 22, a handle B23, a lead screw nut connecting piece 24, a limit block C25. The linear slide rail B18, the sliding block B19, the sliding block connecting piece B20, the lead screw B21, the lead screw nut 22, the handle B23, the lead screw nut connecting piece 24 and the limit block C25 are all located on the mounting bottom plate C17.

[0037] The linear slide rail B18 is symmetrically installed on both sides of the mounting base C17, the linear slide rail B18 is installed with the sliding block B19, the sliding block B19 is installed with the sliding block connecting piece B20, and the sliding block connecting piece B20 is installed on the mounting base B6 of the third layer structure; the screw rod B21 is installed on the middle position of the mounting base C17 along the X-axis direction through the screw rod nut 22; the screw rod nut 22 is installed with the screw rod nut connecting piece 24, and the screw rod nut connecting piece 24 is installed on the mounting base B6 of the third layer structure; one end of the screw rod B21 is connected with the handle B23; and the limiting block C25 is installed at the adjacent position of the sliding block connecting piece B20. The screw rod B21, the screw rod nut 22, the handle B23 and the screw rod nut connecting piece 24 form a horizontal sliding mechanism along the X-axis direction.

[0038] The linear slide rail B18 in the fourth layer structure is used to provide support for the moving part and ensure that it moves linearly in a specific direction; high-precision positioning of the moving part can be realized through the linear slide rail; the linear slide rail adopts a rolling contact mode, such as a ball or a roller, to reduce the friction coefficient and improve the movement efficiency.

[0039] The screw rod B21 and the screw rod nut 22 are used to provide precise linear motion control, so that the mechanical equipment can accurately position, move and control the workpiece; in the case where load needs to be transmitted, the screw rod can bear the axial load and transmit it to the support structure.

[0040] As shown in Figure 4 The first layer structure includes the positioning block 26, the quick clamp 27, the positioning pin A 28, the positioning pin B 29, the positioning pin C 30 and the mounting base D 31.

[0041] The positioning block 26, the quick clamp 27, the positioning pin A 28, the positioning pin B 29 and the positioning pin C 30 are located on the mounting base D 31.

[0042] The positioning block 26 and the quick clamp 27 are symmetrically installed on the mounting base D 31, the width dimension defined by the positioning block 26 matches the width dimension of the preloaded box, and is used to limit the position of the preloaded box in the width direction; the width dimension defined by the quick clamp 27 matches the width dimension of the preloaded box, and is used to fix the preloaded box; the positioning pin A 28, the positioning pin B 29 and the positioning pin C 30 match the insertion holes on the second layer structure, the third layer structure and the fourth layer structure, and are used for positioning of the first layer structure, the second layer structure, the third layer structure and the fourth layer structure.

[0043] The preloaded box is placed on the uppermost layer mechanism, i.e. the first layer structure, the left and right positions of the preloaded box are limited by the positioning block 26, and then the preloaded box is fixed by the quick clamp 27. The relative positions of the center indicator lamp and the preloaded box are observed in the front and rear directions. After the preparation work is completed, the preloaded box trolley is driven to the docking position.

[0044] When the preloading box trolley reaches the position where the preloading box needs to be connected, a dynamic auxiliary connecting device provided by the application is used to start operating the handle, connect and position the position of the preloading box positioning hole and the fixed pin, and make the preloading box positioning hole fall into the positioning pin. The specific operation steps are as follows:

[0045] Step 1, when the position of the preloading box positioning hole and the fixed pin has deviation in the X-axis position, the preloading box on the handle B23 can be moved in the X-axis direction according to the position deviation by using the screw rod B21, so that the position of the preloading box positioning hole and the fixed pin is centered.

[0046] Step 2, when the position of the preloading box positioning hole and the fixed pin has deviation in the Y-axis position, the preloading box on the handle A11 is adjusted according to the position deviation, so that the position of the preloading box positioning hole and the fixed pin is centered.

[0047] Step 3, after the preloading box trolley enters the predetermined position, the body may be inclined, causing the preloading box positioning hole and the fixed pin to be not on the same axis front and back, the preloading box workpiece is manually grabbed, the uppermost mechanism is moved in the rotating direction by ±5°, and the position of the preloading box positioning hole and the fixed pin is centered.

[0048] The utility model has been described in detail in combination with the drawings and examples, but the utility model is not limited to the above examples, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model. The contents not described in detail in the utility model can adopt the prior art.

Claims

1. A manual auxiliary docking device for a pre-packed box trolley, characterized in that: The device includes a first layer structure, a second layer structure, a third layer structure and a fourth layer structure, which are connected in sequence from top to bottom. The first layer structure is used for placing and positioning the pre-installed box; the second layer structure is used for adjusting the position deviation of the pre-installed box positioning hole and the fixing pin, so that the front and rear positions of the adjusted pre-installed box positioning hole and the fixing pin are on the same axis; the third layer structure is used for adjusting the position deviation of the pre-installed box positioning hole and the fixing pin on the Y axis, so that the adjusted pre-installed box positioning hole and the fixing pin are centered on the Y axis; the fourth layer structure is used for adjusting the position deviation of the pre-installed box positioning hole and the fixing pin on the X axis, so that the adjusted pre-installed box positioning hole and the fixing pin are centered on the X axis.

2. A manual auxiliary docking device for a pre-packed carton trolley according to claim 1, characterized in that: The second layer structure comprises: a bull's eye bearing (1), a slewing bearing (3), and a mounting base plate A (5); the bull's eye bearing (1) and the slewing bearing (3) are both located on the mounting base plate A (5); the bull's eye bearing (1) is mounted at the center of the mounting base plate A (5), and the bull's eye bearings (1) are symmetrically mounted at the four corners of the mounting base plate A (5); and the bull's eye bearing (1) and the slewing bearing (3) cooperate to enable the uppermost layer mechanism to have a range of motion of ±5° in the direction of rotation.

3. The manual auxiliary docking device for a pre-packed carton trolley according to claim 2, characterized in that: The second layer structure further comprises: a limit block A (2) and a limit block B (4), wherein the limit block A (2) and the limit block B (4) are both located on the mounting base A (5), and the limit block A (2) and the limit block B (4) are symmetrically mounted on both sides of the bull's eye bearing (1) along the Y-axis direction.

4. The manual auxiliary docking device for a pre-packed carton trolley according to claim 1, characterized in that: The third layer structure comprises: a mounting base plate B (6), a transmission shaft (10), a handle A (11), a commutator (12), a coupling (13), a screw nut connector (14), a screw rod A (15), and a screw rod A (16). The transmission shaft (10), the handle A (11), the commutator (12), the coupling (13), the screw nut connector (14), the screw rod A (15), and the screw rod A (16) are all located on the mounting base plate B (6); the screw rod A (16) is mounted on the mounting base plate B (6) along the Y-axis direction through the screw nut connector (14). ) in the middle position; one end of the lead screw A (16) is connected to the commutator (12) through the coupling (13), one end of the transmission shaft (10) is connected to the commutator (12) in a direction perpendicular to the lead screw A (16), and the other end of the transmission shaft (10) is connected to the handle A (11); a lead screw A (15) is installed on the lead screw A (16); a horizontal sliding mechanism along the Y-axis direction is formed by the transmission shaft (10), the handle A (11), the commutator (12), the coupling (13), the lead screw nut connector (14), the lead screw A (15), and the lead screw A (16).

5. The manual auxiliary docking device for a pre-packed carton trolley according to claim 4, characterized in that: The third layer structure further comprises: a linear slide rail A (7), a slider A (8), and a slider connector A (9), wherein the linear slide rail A (7), the slider A (8), and the slider connector A (9) are all located on the mounting base B (6); the slider connectors A (9) are symmetrically mounted at four corner positions of the mounting base B (6), the slider A (8) is mounted on the slider connector A (9), and the linear slide rail A (7) is mounted on the slider A (8).

6. The manual auxiliary docking device for a pre-packed carton trolley according to claim 4, characterized in that: The fourth layer structure comprises: a mounting base plate C (17), a screw rod B (21), a screw rod nut (22), a handle B (23), and a screw rod nut connecting piece (24); the screw rod B (21), the screw rod nut (22), the handle B (23), and the screw rod nut connecting piece (24) are all located on the mounting base plate C (17); the screw rod B (21) is mounted on the middle position of the mounting base plate C (17) along the X-axis direction through the screw rod nut (22); the screw rod nut connecting piece (24) is mounted on the screw rod nut (22), and the screw rod nut connecting piece (24) is mounted on the mounting base plate B (6) of the third layer structure; one end of the screw rod B (21) is connected to the handle B (23); and a horizontal sliding mechanism along the X-axis direction is formed by the screw rod B (21), the screw rod nut (22), the handle B (23), and the screw rod nut connecting piece (24).

7. The manual auxiliary docking device for a pre-packed carton trolley according to claim 6, characterized in that: The fourth layer structure further comprises: a linear slide rail B (18), a slider B (19), and a slider connector B (20); the linear slide rail B (18), the slider B (19), and the slider connector B (20) are all located on the mounting base C (17); the linear slide rails B (18) are symmetrically mounted on both sides of the mounting base C (17); the slider B (19) is mounted on the linear slide rail B (18); the slider B (19) is mounted on the slider connector B (20); and the slider connector B (20) is mounted on the mounting base B (6) of the third layer structure.

8. The manual auxiliary docking device for a pre-packed carton trolley according to claim 6, characterized in that: The fourth layer structure further comprises: a limit block C (25), the limit block C (25) being located on the mounting base plate C (17); and the limit block C (25) being installed at a position adjacent to the slider connector B (20).

9. The manual auxiliary docking device for a pre-packed carton trolley according to claim 1, characterized in that: The first layer structure comprises: a positioning block (26), a quick clamp (27), and a mounting base plate D (31), wherein the positioning block (26) and the quick clamp (27) are both located on the mounting base plate D (31); the positioning block (26) and the quick clamp (27) are symmetrically mounted on the mounting base plate D (31), wherein the width dimension defined by the positioning block (26) matches the width dimension of the pre-installed box and is used to limit the position of the pre-installed box in its width direction; and the width dimension defined by the quick clamp (27) matches the width dimension of the pre-installed box and is used to fix the pre-installed box.

10. The manual auxiliary docking device for a pre-packed carton trolley according to claim 9, characterized in that: The first layer structure further comprises: a positioning pin A (28), a positioning pin B (29), and a positioning pin C (30), wherein the positioning pin A (28), the positioning pin B (29), and the positioning pin C (30) are all located on the mounting base plate D (31); the positioning pin A (28), the positioning pin B (29), and the positioning pin C (30) match the jacks provided on the second layer structure, the third layer structure, and the fourth layer structure, and are used for positioning the first layer structure, the second layer structure, the third layer structure, and the fourth layer structure.

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