An elongated shaft type workpiece spatial positioning device and method for superconducting devices

Abstract

The application discloses an elongated shaft workpiece spatial positioning device and method for superconducting devices, which comprises a support frame, a plurality of positioning tool groups are arranged on the support frame, each positioning tool group comprises two positioning tools, the positioning tool comprises a positioning seat, the positioning seat is rotatably installed on the support frame, and the positioning seat is provided with a rotary driving mechanism; the positioning seat is provided with a clamping mechanism, and the two sides of the positioning seat are respectively provided with a first limiting adjustment mechanism and a second limiting adjustment mechanism. The application can quickly complete the accurate positioning of the spatial positions of a plurality of elongated shaft workpieces, realize the good consistency of repeated positioning, ensure the coaxiality of the front and rear ends of a single elongated shaft workpiece after positioning, and quickly release the assembly after forming, and the manufacturing cost is low, the spatial positioning of the elongated shaft workpiece is quick and accurate, a large amount of adjustment time can be saved, time cost is saved, and work efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of superconducting technology, specifically relating to a spatial positioning device and method for slender shaft-like workpieces used in superconducting devices. Background Technology

[0002] In engineering machinery fields such as superconducting magnets, superconducting generators, cryogenic refrigeration technology, and high-temperature heat transfer systems, situations often arise where several slender shaft-like workpieces are needed to form a precise spatial structure for the fabrication of support components in large mechanisms. If the support component is machined as a single piece, the cost is too high. Current technology involves manufacturing the support component as several parts, then precisely positioning them in space and connecting them together. There are two main positioning methods for slender shaft-like workpieces:

[0003] 1. The position of the first slender shaft workpiece is determined by repeatedly measuring and adjusting, then the position of the second slender shaft workpiece is determined by repeatedly measuring and adjusting, and so on, to determine the position of all slender shaft workpieces. However, this method is too time-consuming, requires extremely high individual technical skills, and is prone to measurement errors and low positioning accuracy. In addition, this method also suffers from the problem of inconsistent position between the second assembly of the same slender shaft workpiece and the first assembly.

[0004] 2. Using a spatial positioning template to determine the position of slender shaft-like workpieces offers slightly higher accuracy and lower time cost compared to the first method. However, since the required position for the slender shaft-like workpieces is a large-scale spatial location, the template would be too large and heavy to operate by a single person, limiting its practicality. Summary of the Invention

[0005] The purpose of this invention is to provide a spatial positioning device and method for slender shaft-type workpieces used in superconducting devices, in order to solve the above-mentioned problems existing in the prior art.

[0006] To achieve the above objectives, the present invention employs the following technical solution: a spatial positioning device for slender shaft-like workpieces used in superconducting devices, comprising a support frame, wherein the support frame is provided with a plurality of positioning fixture assemblies, each positioning fixture assembly being used to position a slender shaft-like workpiece; each positioning fixture assembly includes two positioning fixtures, each positioning fixture including a positioning seat, the positioning seat being rotatably mounted on the support frame, and the positioning seat being equipped with a rotation drive mechanism for driving its rotation; the positioning seat is provided with a clamping mechanism for clamping the slender shaft-like workpiece; a first limit adjustment mechanism and a second limit adjustment mechanism are respectively provided on both sides of the positioning seat, the first limit adjustment mechanism and the second limit adjustment mechanism being used to limit the rotational position of the positioning seat.

[0007] This invention can quickly and accurately position several slender shaft-like workpieces in space, achieve good consistency in repeated positioning, ensure coaxiality of the front and rear ends of a single slender shaft-like workpiece after positioning, and enable rapid release after component forming. It has low manufacturing cost, provides fast and accurate spatial positioning of slender shaft-like workpieces, saves a lot of adjustment time, reduces time costs, and improves work efficiency.

[0008] As an optional embodiment of the above technical solution, the clamping mechanism includes a first clamp and a second clamp. The first clamp is fixedly mounted on the positioning seat, and the second clamp is movably connected to the first clamp. The first clamp and the second clamp cooperate with each other to clamp and fix the slender shaft-like workpiece.

[0009] As an optional embodiment of the above technical solution, a locking bolt is provided between the first gripper and the second gripper, and one end of the locking bolt passes through the second gripper and is connected to the first gripper.

[0010] As an optional implementation of the above technical solution, the first limit adjustment mechanism includes a first limit block, which is disposed on one side of the positioning seat. A first adjustment member is movably disposed on the first limit block, and the first adjustment member is used to limit the rotational position of one side of the positioning seat.

[0011] As an optional implementation of the above technical solution, the first adjusting member includes a first adjusting bolt, which is threadedly connected to the first limiting block. The first adjusting bolt can move closer to and further away from the positioning seat to adjust the rotation angle range of one side of the positioning seat.

[0012] As an optional implementation of the above technical solution, the first adjusting bolt is provided with a first locking nut.

[0013] As an optional implementation of the above technical solution, the second limit adjustment mechanism includes a second limit block, which is disposed on the side of the positioning seat away from the first limit adjustment mechanism. A second adjustment member is movably disposed on the second limit block, and the second adjustment member is used to limit the rotational position of one side of the positioning seat.

[0014] As an optional implementation of the above technical solution, the second adjusting member includes a second adjusting bolt, which is threadedly connected to the second limiting block. The second adjusting bolt can move closer to and further away from the positioning seat to adjust the rotation angle range of one side of the positioning seat.

[0015] As an optional embodiment of the above technical solution, the second adjusting bolt is provided with a second locking nut.

[0016] As an optional embodiment of the above technical solution, the rotary drive mechanism includes a drive hydraulic cylinder, which is mounted on a support frame, and the movable end of the drive hydraulic cylinder is connected to a positioning seat.

[0017] As an optional implementation of the above technical solution, the support frame includes a first support frame and a second support frame, with a support column connecting the first support frame and the second support frame, and two positioning fixtures of each positioning fixture group are respectively set on the first support frame and the second support frame.

[0018] On the other hand, the present invention adopts the following technical solution: a spatial positioning method for slender shaft-like workpieces used in superconducting devices, employing the above-mentioned spatial positioning device, the spatial positioning method comprising the following steps:

[0019] Step A: Adjust the first limit adjustment mechanism and the second limit adjustment mechanism to the appropriate positions;

[0020] Step B: The positioning seat and clamping mechanism are driven to rotate by the rotary drive mechanism, and the first limit adjustment mechanism or the second limit adjustment mechanism serves as the positioning position of the positioning seat.

[0021] Step C: Install both ends of the slender shaft workpiece onto the clamping mechanisms of the two positioning fixtures respectively to complete the precise spatial positioning of the slender shaft workpiece.

[0022] Step D: After each slender shaft workpiece completes one process, each clamping mechanism is activated to release the slender shaft workpiece. The positioning seat and clamping mechanism are then driven to rotate back to their original positions by the rotary drive mechanism, waiting for the next work cycle.

[0023] The beneficial effects of this invention are as follows:

[0024] 1. It can quickly and accurately position several slender shaft-like workpieces in space;

[0025] 2. Slender shaft-type workpieces exhibit good consistency in repeated positioning;

[0026] 3. The overall structure is stable and highly reliable. The dimensions can be changed according to different slender shaft workpieces to achieve clamping and positioning of different slender shaft workpieces.

[0027] 4. Saves a significant amount of time on adjusting the position of slender shaft workpieces, reducing time costs and improving work efficiency.

[0028] 5. Low manufacturing cost and high practicality. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural diagram of a spatial positioning device according to one embodiment of the present invention;

[0030] Figure 2 This is a front structural diagram of a spatial positioning device in one embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the positioning tooling in one embodiment of the present invention.

[0032] In the diagram: 1-Slender shaft-like workpiece; 2-Positioning fixture; 3-Positioning seat; 4-Rotation drive mechanism; 5-Clamping mechanism; 6-First limit adjustment mechanism; 7-Second limit adjustment mechanism; 8-First gripper; 9-Second gripper; 10-Locking bolt; 11-First limit block; 12-First adjusting bolt; 13-First locking nut; 14-Second limit block; 15-Second adjusting bolt; 16-Second locking nut; 17-Drive hydraulic cylinder; 18-First support frame; 19-Second support frame; 20-Support column. Detailed Implementation

[0033] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0034] like Figures 1-3 As shown, this embodiment provides a spatial positioning device for slender shaft-like workpieces used in superconducting devices, including a support frame. The support frame is provided with several positioning fixture groups, each used to position a slender shaft-like workpiece 1. The number of positioning fixture groups can be set according to specific requirements; typically, the support frame has multiple positioning fixture groups, which can simultaneously position multiple slender shaft-like workpieces 1.

[0035] like Figure 1 As shown, each positioning fixture assembly includes two positioning fixtures 2. Since the slender shaft workpiece 1 has a certain length, two positioning fixtures 2 are used to position both ends of the slender shaft workpiece 1. For longer slender shaft workpieces 1, the number of positioning fixtures 2 can be increased accordingly. Specifically, each positioning fixture 2 includes a positioning seat 3, which is rotatably mounted on the support frame, and the positioning seat 3 is equipped with a rotary drive mechanism 4 to drive its rotation. The rotary drive mechanism 4 can drive the positioning seat 3 to rotate, thereby adjusting the position of the positioning seat 3.

[0036] like Figure 2As shown, the positioning seat 3 is equipped with a clamping mechanism 5, which is used to clamp the slender shaft-like workpiece 1 and keep it fixed. A first limit adjustment mechanism 6 and a second limit adjustment mechanism 7 are respectively provided on both sides of the positioning seat 3. The first limit adjustment mechanism 6 and the second limit adjustment mechanism 7 are used to limit the rotational position of the positioning seat 3. The first limit adjustment mechanism 6 and the second limit adjustment mechanism 7 can serve as positioning reference points for the slender shaft-like workpiece 1. When the positioning seat 3 contacts the first limit adjustment mechanism 6 or the second limit adjustment mechanism 7, it indicates that the slender shaft-like workpiece 1 has reached the reference position, and the slender shaft-like workpiece 1 has completed precise positioning.

[0037] The two clamping mechanisms 5 of each positioning fixture group clamp and fix the two ends of the slender shaft workpiece 1. The rotation drive mechanism 4 drives the positioning seat 3 to rotate, and the slender shaft workpiece 1 rotates together with the positioning seat 3, thereby adjusting the spatial position of the slender shaft workpiece 1. When the positioning seat 3 contacts the first limit adjustment mechanism 6 or the second limit adjustment mechanism 7, the slender shaft workpiece 1 stops moving, realizing the precise positioning function of the slender shaft workpiece 1.

[0038] When using this spatial positioning device, first adjust the first limit adjustment mechanism 6 and the second limit adjustment mechanism 7 to a suitable position; then drive the positioning seat 3 and the clamping mechanism 5 to rotate through the rotary drive mechanism 4, with the first limit adjustment mechanism 6 or the second limit adjustment mechanism 7 serving as the positioning position of the positioning seat 3; then install both ends of the slender shaft workpiece 1 onto the clamping mechanisms 5 of the two positioning fixtures 2 respectively, completing the precise spatial positioning of the slender shaft workpiece 1; after each slender shaft workpiece 1 completes one process, simultaneously activate each clamping mechanism 5 to release each slender shaft workpiece 1, and drive the positioning seat 3 and the clamping mechanism 5 to rotate back to their original positions through the rotary drive mechanism 4, waiting for the next work cycle.

[0039] This invention can quickly and accurately position several slender shaft-like workpieces 1 in space, achieve good consistency in repeated positioning, ensure coaxiality of the front and rear ends of a single slender shaft-like workpiece 1 after positioning, and enable rapid release after component forming. It has low manufacturing cost, fast and accurate spatial positioning of slender shaft-like workpieces 1, saves a lot of adjustment time, saves time costs, and improves work efficiency.

[0040] like Figure 1As shown, in this embodiment, the support frame includes a first support frame 18 and a second support frame 19. A support column 20 connects the first support frame 18 and the second support frame 19. Two positioning fixtures 2 of each positioning fixture group are respectively disposed on the first support frame 18 and the second support frame 19. Both the first support frame 18 and the second support frame 19 are U-shaped, and multiple support columns 20 connect the first support frame 18 and the second support frame 19 to ensure the overall structural stability of the support frame. Positioning fixtures 2 are disposed on the inner sides of the first support frame 18 and the second support frame 19. The multiple positioning fixtures 2 on the inner side of the first support frame 18 are arranged in a ring, and the multiple positioning fixtures 2 on the inner side of the second support frame 19 are also arranged in a ring, realizing the precise positioning function of the slender shaft-like workpiece 1.

[0041] The rotary drive mechanism 4 includes a drive hydraulic cylinder 17, which is mounted on the support frame. The movable end of the drive hydraulic cylinder 17 is connected to the positioning seat 3. Both the first support frame 18 and the second support frame 19 are equipped with drive hydraulic cylinders 17, which can extend and retract to push the positioning seat 3 to rotate within a certain range. It should be noted that the rotary drive mechanism 4 can also be implemented using a motor, cylinder, etc., and this invention is not limited to this.

[0042] like Figure 3 As shown, specifically, the clamping mechanism 5 includes a first clamping jaw 8 and a second clamping jaw 9. The first clamping jaw 8 is fixedly mounted on the positioning seat 3, and the second clamping jaw 9 is movably connected to the first clamping jaw 8. The first clamping jaw 8 and the second clamping jaw 9 cooperate with each other to clamp and fix the slender shaft-like workpiece 1. Both the first clamping jaw 8 and the second clamping jaw 9 are provided with arc-shaped clamping grooves, which cooperate with the slender shaft-like workpiece 1 to fix it. Since the first clamping jaw 8 remains fixed, the slender shaft-like workpiece 1 can be removed and fixed each time by adjusting the position of the second clamping jaw 9, and the installation position of the slender shaft-like workpiece 1 remains fixed.

[0043] Preferably, a locking bolt 10 is provided between the first gripper 8 and the second gripper 9, with one end of the locking bolt 10 passing through the second gripper 9 and connecting to the first gripper 8. There are usually multiple locking bolts 10. Loosening the locking bolts 10 and adjusting the relative positions of the first gripper 8 and the second gripper 9, the slender shaft-like workpiece 1 is placed between the first gripper 8 and the second gripper 9, and then the locking bolts 10 are tightened to clamp and fix the slender shaft-like workpiece 1 in place. Since the position of the first gripper 8 remains unchanged, the position of the slender shaft-like workpiece 1 also remains unchanged after installation, improving the assembly consistency of the slender shaft-like workpiece 1.

[0044] In this embodiment, the first limiting adjustment mechanism 6 includes a first limiting block 11, which is disposed on one side of the positioning seat 3. A first adjusting member is movably mounted on the first limiting block 11, and the first adjusting member is used to limit the rotational position of one side of the positioning seat 3. The first limiting block 11 is fixed on the support frame and is located on the left side of the positioning seat 3. The first adjusting member can extend and retract to limit the positioning seat 3. When the positioning seat 3 rotates, it can abut against the first limiting block 11, and it can also abut against the first adjusting member, thereby determining the reference position of the slender shaft workpiece 1.

[0045] Preferably, the first adjusting component includes a first adjusting bolt 12, which is threadedly connected to a first limiting block 11. The first adjusting bolt 12 can move closer to or further away from the positioning seat 3 to adjust the rotation angle range of one side of the positioning seat 3. The first adjusting bolt 12 can be removed, and the positioning seat 3 can be positioned using the first limiting block 11. When the hydraulic cylinder 17 drives the positioning seat 3 to rotate to the left to a certain position, the first limiting block 11 and the positioning seat 3 abut against each other. Alternatively, the positioning seat 3 can be positioned using the first adjusting bolt 12. Tightening the first adjusting bolt 12 and driving the hydraulic cylinder 17 to rotate the positioning seat 3 to the left to a certain position will cause the first adjusting bolt 12 and the positioning seat 3 to abut against each other, thereby positioning the slender shaft-like workpiece 1. Furthermore, the first adjusting bolt 12 is provided with a first locking nut 13. Tightening the first locking nut 13 will bring it into contact with the surface of the first limiting block 11, improving the stability of the first adjusting bolt 12.

[0046] In this embodiment, the second limiting adjustment mechanism 7 includes a second limiting block 14, which is disposed on the side of the positioning seat 3 away from the first limiting block 11. A second adjusting member is movably mounted on the second limiting block 14, which is used to limit the rotational position of one side of the positioning seat 3. The second limiting block 14 is fixed to the support frame and is located on the right side of the positioning seat 3. The second adjusting member can extend and retract to limit the positioning seat 3. When the positioning seat 3 rotates, it can abut against the second limiting block 14, and it can also abut against the second adjusting member, thereby determining the reference position of the slender shaft workpiece 1.

[0047] Preferably, the second adjusting component includes a second adjusting bolt 15, which is threadedly connected to a second limiting block 14. The second adjusting bolt 15 can move closer to or further away from the positioning seat 3 to adjust the rotation angle range of one side of the positioning seat 3. The second adjusting bolt 15 can be removed, and the positioning seat 3 can be positioned using the second limiting block 14. When the hydraulic cylinder 17 drives the positioning seat 3 to rotate to the right to a certain position, the second limiting block 14 and the positioning seat 3 abut against each other. Alternatively, the positioning seat 3 can be positioned using the second adjusting bolt 15. Tightening the second adjusting bolt 15 and driving the hydraulic cylinder 17 to rotate the positioning seat 3 to the right to a certain position will cause the second adjusting bolt 15 and the positioning seat 3 to abut against each other, thereby positioning the slender shaft-like workpiece 1. Furthermore, the second adjusting bolt 15 is provided with a second locking nut 16. Tightening the second locking nut 16 will bring it into contact with the surface of the second limiting block 14, improving the stability of the second adjusting bolt 15.

[0048] This embodiment also provides a spatial positioning method for slender shaft-like workpieces used in superconducting devices. Employing the aforementioned spatial positioning device, the method involves precisely adjusting the spatial position of the clamping mechanism during initial installation, specifically including the following steps:

[0049] Step A: Adjust the first adjusting bolt 12 and the second adjusting bolt 15 to the appropriate positions;

[0050] Step B: Drive the positioning seat 3 and the clamping mechanism 5 to rotate by driving the hydraulic cylinder 17. The first limit adjustment mechanism 6 or the second limit adjustment mechanism 7 serves as the positioning position of the positioning seat 3. At this time, the clamping mechanism 5 moves to the positioning position.

[0051] Step C: Loosen the locking bolt 10 between the first gripper 8 and the second gripper 9, install both ends of the slender shaft workpiece 1 onto the clamping mechanisms 5 of the two positioning fixtures 2 respectively, and then tighten the locking bolt 10. The first gripper 8 and the second gripper 9 will clamp the slender shaft workpiece 1, completing the precise spatial positioning of the slender shaft workpiece 1; install the remaining slender shaft workpieces 1 in the same way.

[0052] Step D: When each slender shaft workpiece 1 completes one process and moves to the next process, each clamping mechanism 5 is activated to release each slender shaft workpiece 1, and the positioning seat 3 and clamping mechanism 5 are driven to rotate back to their original positions by the driving hydraulic cylinder 17, waiting for the next work cycle.

[0053] Compared with the prior art, the present invention has the following advantages:

[0054] 1. It can quickly and accurately position several slender shaft-like workpieces 1 in space;

[0055] 2. For slender shaft-type workpieces, repeated positioning exhibits good consistency;

[0056] 3. The overall structure is stable and highly reliable. The corresponding dimensions can be changed according to different slender shaft workpieces 1 to achieve clamping and positioning of different slender shaft workpieces 1.

[0057] 4. Saves a significant amount of time in adjusting the position of slender shaft-type workpieces, reducing time costs and improving work efficiency.

[0058] 5. Low manufacturing cost and high practicality.

[0059] In the description of this invention, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. They can refer to fixed connections, detachable connections, or integral connections; they can be mechanical or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this invention. Furthermore, the specific features and structures described in the embodiments are included in at least one implementation method. Those skilled in the art can combine features from different implementation methods without contradiction. The scope of protection of this invention is not limited to the specific implementation methods described above. Based on the basic technical concept of this invention, implementation methods that can be conceived by those skilled in the art without creative effort are all within the scope of protection of this invention.

Claims

1. An elongated shaft workpiece spatial positioning device for a superconducting device, comprising: The application relates to a positioning device for an elongated shaft workpiece (1), which comprises a supporting frame, a plurality of positioning tool sets arranged on the supporting frame, each positioning tool set being used for positioning an elongated shaft workpiece (1), each positioning tool set comprising two positioning tools (2), the positioning tool (2) comprising a positioning seat (3) which is rotatably arranged on the supporting frame and is provided with a rotating driving mechanism (4) for driving the rotation of the positioning seat (3), the positioning seat (3) being provided with a clamping mechanism (5) for clamping the elongated shaft workpiece (1), and the two sides of the positioning seat (3) being respectively provided with a first limiting adjusting mechanism (6) and a second limiting adjusting mechanism (7) for limiting the rotating position of the positioning seat (3).

2. The spatial positioning device of claim 1, wherein, The clamping mechanism (5) comprises a first clamping jaw (8) and a second clamping jaw (9), the first clamping jaw (8) being fixedly arranged on the positioning seat (3), the second clamping jaw (9) being movably connected with the first clamping jaw (8), and the first clamping jaw (8) and the second clamping jaw (9) being matched with each other and clamping the elongated shaft workpiece (1).

3. The spatial positioning device of claim 2, wherein, The first clamping jaw (8) and the second clamping jaw (9) are provided with a locking bolt (10), one end of the locking bolt (10) penetrating through the second clamping jaw (9) and being connected with the first clamping jaw (8).

4. The spatial positioning device of claim 1, wherein, The first limiting adjusting mechanism (6) comprises a first limiting block (11) arranged on one side of the positioning seat (3), and a first adjusting member movably arranged on the first limiting block (11), the first adjusting member being used for limiting the rotating position of the one side of the positioning seat (3).

5. The spatial positioning device of claim 4, wherein, The first adjusting member comprises a first adjusting bolt (12) threadedly connected with the first limiting block (11), the first adjusting bolt (12) being capable of approaching and moving away from the positioning seat (3) so as to adjust the rotating angle range of the one side of the positioning seat (3), and the first adjusting bolt (12) being provided with a first locking nut (13).

6. The spatial positioning device of claim 1, wherein, The second limiting adjusting mechanism (7) comprises a second limiting block (14) arranged on the side of the positioning seat (3) away from the first limiting adjusting mechanism (6), and a second adjusting member movably arranged on the second limiting block (14), the second adjusting member being used for limiting the rotating position of the one side of the positioning seat (3).

7. The spatial positioning device of claim 6, wherein, The second adjusting member comprises a second adjusting bolt (15) threadedly connected with the second limiting block (14), the second adjusting bolt (15) being capable of approaching and moving away from the positioning seat (3) so as to adjust the rotating angle range of the one side of the positioning seat (3), and the second adjusting bolt (15) being provided with a second locking nut (16).

8. The spatial positioning device of claim 1, wherein, The rotating driving mechanism (4) comprises a driving hydraulic cylinder (17) arranged on the supporting frame, and the movable end of the driving hydraulic cylinder (17) being connected with the positioning seat (3).

9. The spatial positioning device of claim 1, wherein, The support frame comprises a first support frame (18) and a second support frame (19), and a support column (20) is connected between the first support frame (18) and the second support frame (19), and two positioning tools (2) of each positioning tool group are arranged on the first support frame (18) and the second support frame (19) respectively.

10. An elongated shaft-like workpiece spatial positioning method for superconducting devices, characterized by, The spatial positioning method comprises the following steps: Step A, adjusting the first limiting adjustment mechanism (6) and the second limiting adjustment mechanism (7) to a suitable position; Step B, rotating the positioning seat (3) and the clamping mechanism (5) by driving the rotating driving mechanism (4), and the first limiting adjustment mechanism (6) or the second limiting adjustment mechanism (7) is used as the positioning position of the positioning seat (3); Step C, mounting the two ends of the elongated shaft workpiece (1) on the clamping mechanisms (5) of the two positioning tools (2) respectively, and completing the spatial position precise positioning of the elongated shaft workpiece (1); Step D, after each elongated shaft workpiece (1) completes one process content, simultaneously starting each clamping mechanism (5) to release each elongated shaft workpiece (1), and rotating the positioning seat (3) and the clamping mechanism (5) to the original position by driving the rotating driving mechanism (4), and waiting for the next work cycle.

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