Steering and height adjusting device for mine diamond wire sawing machine and wire sawing machine using same
Through the cooperation of the pulleys of the slide rod and the sliding plate structure, the problem of unstable angles in the diamond wire saw machine in complex terrain is solved, the stable operation of the equipment is achieved and the wear is reduced, and the labor and financial costs are reduced.
Patent Information
- Application Number
- CN202510548497.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2025-07-11
AI Technical Summary
In the prior art, during the complex terrain cutting process of diamond rope saw machines, the angle between the diamond rope and the rope laying/receiving device is unstable, resulting in wear of the equipment. When the tire is cushioned, the diamond rope and the tire are frictional and wearable, which increases labor and financial costs.
The sliding rod and sliding plate structure are adopted to change the conveying direction of the diamond rope through the cooperation of the pulley, so that it is at the same level as the rope collection and rope release device of the rope sawing machine, reducing device losses caused by offset.
It effectively reduces the loss of rope collection and rope release devices caused by diamond rope offset, ensures the safety and stability of the equipment, and reduces the frequency and cost of replacing consumables.
Smart Images
Figure CN120291872A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of cutting devices, and particularly to a steering and height-adjusting device for a diamond wire saw machine in a mine and a wire saw machine using this structure. Background Art
[0002] During the process of veneer rock and stone mining, a wire saw machine is a commonly used device for cutting rocks. However, during the use of the wire saw machine, with the progress of mining, the terrain of the cutting operation surface changes greatly and undulates, resulting in a certain angle between the diamond wire and the wire releasing and receiving device of the wire saw machine during operation. After long-term use, it is easy to cause damage to the wire releasing and receiving device. In actual stone mining, tires and other items are commonly used to pad up the transmission height of the diamond wire. Although the above method can adjust the relative position between the diamond wire and the wire releasing and receiving device of the wire saw machine, during use, the diamond wire will rub against tires and other items, resulting in phenomena such as heat generation and wear, and it needs to be frequently replaced, increasing the labor cost and financial cost. Summary of the Invention
[0003] In order to solve the technical problem in the prior art that although using consumables such as tires to pad up the transmission height of the diamond wire can keep the angle between the diamond wire and the wire releasing / receiving device stable, during use, the diamond wire will rub against tires and other items, resulting in phenomena such as heat generation and wear, and it needs to be frequently replaced, increasing the labor cost and financial cost, this application provides a steering and height-adjusting device for a diamond wire saw machine in a mine and a wire saw machine using this structure. By the mutual cooperation between two pulleys that can slide along a sliding rod, the conveying direction of the diamond wire can be changed, so that the diamond wire can be kept at the same level as the wire receiving and releasing devices of the wire saw machine, effectively reducing the loss of the wire receiving and releasing devices caused by the deviation of the diamond wire and ensuring the safety of the equipment.
[0004] In order to solve the above technical problems, the following technical solutions are now proposed:
[0005] This application provides a steering and height-adjusting device for a diamond wire saw machine in a mine, including:
[0006] A sliding rod;
[0007] Two groups of sliding plates, both groups of sliding plates are slidably arranged on the sliding rod;
[0008] Pulleys, both groups of sliding plates are provided with the pulleys, and the pulleys on the two groups of sliding plates are arranged oppositely, and the pulleys are used for the saw wire of the wire saw machine to pass through.
[0009] Further, in this embodiment, there are four sliding rods, and the four sliding rods are arranged parallel to each other.
[0010] Further, in this embodiment, it further includes a buckle assembly. The buckle assembly is arranged at the connection between the sliding plate and the sliding rod and is used to limit the sliding of the sliding plate relative to the sliding rod.
[0011] Further, in this embodiment, the buckle assembly includes:
[0012] A fixed buckle that is slidably arranged on the sliding rod. A notch is further provided on the side wall of the fixed buckle, and the sliding plate is placed in the notch;
[0013] A fixed bolt. A threaded hole is further provided on the side wall of the fixed buckle. The fixed bolt is arranged in the threaded hole, and one end of the fixed bolt extends into the threaded hole and is clamped with the sliding rod.
[0014] Further, in this embodiment, the buckle assembly includes at least one of the fixed bolts.
[0015] Further, in this embodiment, the buckle assembly further includes a handle, and the handle is arranged at one end of the fixed bolt away from the end clamped with the sliding rod.
[0016] Further, in this embodiment, a rotating shaft is further provided on the sliding plate. The pulley is connected to the sliding plate through the rotating shaft, and the pulley slides relative to the sliding plate with the rotating shaft as the center.
[0017] Further, in this embodiment, a plurality of positioning holes are further provided on the sliding plate. The plurality of positioning holes are arranged on the sliding plate in a circumferential array with the rotating shaft as the center. The rotating shaft is arranged on one side of the pulley, and a positioning bolt for clamping with the positioning hole is further provided on the other side of the pulley.
[0018] Further, in this embodiment, it further includes a leveling device and a base. The sliding rod, the sliding plate and the pulley are all arranged on the base, and the leveling device is arranged on the base for leveling the base.
[0019] In an embodiment of the present application, a wire saw machine is further provided. This wire saw machine applies the steering and height adjustment device for a mining diamond wire saw machine as described in any one of the above.
[0020] Beneficial effects: The present invention relates to a steering and height-adjusting device for a diamond wire saw machine in a mine and a wire saw machine using this structure, which includes a sliding rod, a sliding plate, and a pulley. Two groups of sliding plates are slidably arranged on the sliding rod, and each group of sliding plates is provided with a pulley, and the pulleys on the two groups of sliding plates are arranged facing each other. The diamond wire in the wire releasing device sequentially passes through the lower pulley and the upper pulley, then passes through the stone material, and finally returns to the wire collecting device. The wire releasing device and the wire collecting device are started simultaneously. At this time, the wire releasing device and the wire collecting device drive the diamond wire to rotate and cut the stone material. During use, the relative position between the upper pulley and the lower pulley is adjusted by the upper / lower sliding plate, so as to ensure that the wire saw machine can operate stably when the terrain of the cutting surface of the diamond wire changes greatly and fluctuates. Description of the Drawings
[0021] Figure 1 FIG. is a schematic structural diagram of a wire saw machine using a steering and height-adjusting device provided by an embodiment of the present invention;
[0022] Figure 2 FIG. is a schematic structural diagram of a steering and height-adjusting device for a diamond wire saw machine in a mine provided by an embodiment of the present invention;
[0023] Figure 3 FIG. is a cross-sectional view of a fixed buckle provided by an embodiment of the present invention;
[0024] Figure 4 FIG. is a partially enlarged view of a part of the sliding plate provided by an embodiment of the present invention.
[0025] Description of the Reference Numerals
[0026] 1. Sliding rod; 2. Sliding plate; 3. Pulley; 4. Fixed buckle; 5. Fixed bolt;
[0027] 6. Notch; 7. Handle; 8. Rotating shaft; 9. Positioning hole; 10. Positioning bolt;
[0028] 11. Rotating wheel; 12. Bracket; 13. Shock-absorbing base; 14. Leveling device;
[0029] 15. Base; 16. Diamond wire; 17. Wire releasing device; 18. Wire collecting device. Detailed Embodiments
[0030] Hereinafter, embodiments of the technical solutions of the present application will be described in detail with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, so they are only examples and cannot be used to limit the protection scope of the present application.
[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion.
[0032] In the description of the embodiments of this application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order, or primary-secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "a plurality" is more than two, unless otherwise specifically defined.
[0033] Referring to "embodiments" herein means that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of this application. The phrase does not necessarily refer to the same embodiment at every occurrence in the specification, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0034] In the description of the embodiments of this application, the term "and / or" is merely a description of the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the associated objects before and after.
[0035] In the description of the embodiments of this application, the term "a plurality" refers to more than two (including two). Similarly, "a plurality of groups" refers to more than two groups (including two groups), and "a plurality of pieces" refers to more than two pieces (including two pieces).
[0036] In the description of the embodiments of this application, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of this application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of this application.
[0037] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installation", "connection", "linkage", "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can also be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0038] A mine diamond wire saw is an efficient and environmentally friendly mine exploitation equipment, mainly used for cutting hard rocks (such as marble, granite, sandstone, etc.) or ores. It realizes cutting through the high-speed movement of the diamond bead wire, replacing traditional blasting or mechanical crushing methods, and is widely used in fields such as stone exploitation, metal ore stripping, and tunnel engineering.
[0039] During the process of facing rock and stone exploitation, the wire saw is a relatively commonly used equipment for cutting rocks. However, during the use of the wire saw, with the progress of mining, the terrain of the cutting operation surface changes greatly and fluctuates, resulting in a certain angle between the diamond wire and the wire releasing and taking-up device of the wire saw. After long-term use, it is easy to cause damage to the wire releasing and taking-up device. In order to solve the problem of equipment wear caused by the unstable angle between the diamond wire and the wire releasing / taking-up device during the operation of the mine diamond wire saw in complex terrains, in the actual exploitation process, consumables such as tires are commonly used to raise the transmission height of the diamond wire, so that the angle between the diamond wire and the wire releasing and taking-up device remains stable. However, by raising the transmission height of the diamond wire with consumables such as tires, although the angle between the diamond wire and the wire releasing and taking-up device can be kept stable, during the use process, the diamond wire will rub against items such as tires, resulting in phenomena such as heating and wear, and it needs to be replaced frequently, increasing the labor cost and financial cost.
[0040] In order to solve the technical problem in the prior art that by raising the transmission height of the diamond wire with consumables such as tires, although the angle between the diamond wire and the wire releasing and taking-up device can be kept stable, during the use process, the diamond wire will rub against items such as tires, resulting in phenomena such as heating and wear, and it needs to be replaced frequently, increasing the labor cost and financial cost, the present application provides a steering height adjustment device for a mine diamond wire saw and a wire saw using this structure. Through the mutual cooperation between two pulleys 3 that can slide along a slide bar 1, the conveying direction of the diamond wire can be changed, so that the diamond wire can be kept at the same level as the wire taking-up and releasing devices of the wire saw, effectively reducing the loss of the wire taking-up and releasing devices caused by the deviation of the diamond wire and ensuring the safety of the equipment.
[0041] As Figure 2 shown, Figure 2The present application provides a structural schematic diagram of a steering and height-adjusting device for a diamond wire saw machine in a mine, including: a sliding rod 1, a sliding plate 2, and a pulley 3. Among them, two groups of sliding plates 2 are both slidably arranged on the sliding rod 1. Two groups of sliding plates 2 are both provided with pulleys 3, and the pulleys 3 on the two groups of sliding plates 2 are arranged facing each other. It can be understood that in this embodiment, the pulley 3 can move along with the sliding plate 2. By adjusting the position between the two sliding plates 2, the included angle between the diamond wire and the wire releasing / rewinding device can be adjusted.
[0042] Exemplarily, in this embodiment, the sliding rod 1 is arranged along the direction perpendicular to the horizontal plane, and the two groups of sliding plates 2 and the pulleys 3 on the two groups of sliding plates 2 are respectively defined as the upper sliding plate 2, the upper pulley 3, the lower sliding plate 2, and the lower pulley 3. In actual use, the diamond wire 16 in the wire releasing device sequentially passes through the lower pulley 3 and the upper pulley 3, then passes through the stone material, and finally returns to the wire rewinding device. The wire releasing device 17 and the wire rewinding device 18 are started simultaneously. At this time, the wire releasing device and the wire rewinding device drive the diamond wire to rotate and cut the stone material. During the use process, by adjusting the relative position between the upper / lower sliding plates 2, the relative position between the upper pulley 3 and the lower pulley 3 is adjusted, so as to ensure that when the terrain of the diamond wire cutting operation surface changes greatly and undulates, the wire saw machine can operate stably.
[0043] It can be understood that as Figure 1 shown, Figure 1 The present application provides a structural schematic diagram of a wire saw machine applying the steering and height-adjusting device. In this embodiment, the relative position between the upper pulley 3 and the lower pulley 3 can be adjusted by the upper / lower sliding plates 2, so as to control the tension of the diamond wire, ensure the stability of the tension of the diamond wire when cutting the stone material, and further avoid the problem that when the diamond wire cuts the stone material, if the tension of the diamond wire is too small, it will affect the cutting efficiency of the diamond wire, or if the tension of the diamond wire is too large, there is a risk of wire breakage.
[0044] In some embodiments, four sliding rods 1 are provided, and the four sliding rods 1 are arranged parallel to each other. It can be understood that in this embodiment, through holes are provided at the four corner parts of the sliding plate 2, and the four sliding rods 1 pass through the sliding plate 2 through the through holes at the four corner parts of the sliding plate 2, and are then slidably connected to the sliding plate 2. The four sliding rods 1 respectively support the four corner parts of the sliding plate 2, thereby increasing the stability of the sliding plate 2 during use.
[0045] In some embodiments, the steering and height-adjusting device further includes a buckle assembly, and the buckle assembly is arranged at the connection between the sliding plate 2 and the sliding rod 1. It can be understood that in this embodiment, after the relative position between the two sliding plates 2 is adjusted to a suitable distance, the relative sliding between the sliding plate 2 and the sliding rod 1 is restricted by the buckle assembly, so that the sliding plate 2 can be firmly fixed on the sliding rod 1 to ensure the stability of the sliding plate 2 during use.
[0046] Exemplarily, asFigure 3 As shown, in this embodiment, the buckle assembly includes a fixed buckle 4 and a fixed bolt 5. The fixed buckle 4 is slidably arranged on the sliding rod 1. A notch 6 is further provided on the side wall of the fixed buckle 4, and the sliding plate 2 is placed in the notch 6. A threaded hole is also provided on the side wall of the fixed buckle 4. The fixed bolt 5 is arranged in the threaded hole, and one end of the fixed bolt 5 extends into the threaded hole and is clamped with the sliding rod 1. It can be understood that in this embodiment, after the sliding plate 2 is clamped in the notch 6 of the fixed buckle 4, the fixed buckle 4 is slidably arranged on the sliding rod 1. At this time, both the upper and lower end faces of the sliding plate 2 are clamped by the fixed buckle 4. By twisting the fixed bolt 5, the fixed bolt 5 can abut against the surface of the sliding rod 1, thereby preventing the relative sliding between the sliding plate 2 and the sliding rod 1, and further enabling the sliding plate 2 to be firmly fixed on the sliding rod 1 to ensure the stability of the sliding plate 2 during use.
[0047] Furthermore, in this embodiment, the buckle assembly includes at least one fixed bolt 5. It can be understood that one or more fixed bolts 5 are provided on the fixed buckle 4. By twisting the fixed bolt 5, the fixed bolt 5 can abut against the surface of the sliding rod 1, thereby preventing the relative sliding between the sliding plate 2 and the sliding rod 1, and further enabling the sliding plate 2 to be firmly fixed on the sliding rod 1 to ensure the stability of the sliding plate 2 during use.
[0048] It should be noted that the number of fixed bolts 5 provided on the fixed buckle 4 is directly proportional to the connection stability between the fixed buckle 4 and the sliding rod 1. However, setting more fixed bolts 5 on the fixed buckle 4 will increase the cost of the device and the operation difficulty for the staff. Therefore, in this embodiment, the number of fixed bolts 5 on the fixed buckle 4 is preferably two, and the two fixed bolts 5 are respectively arranged on both sides of the movable plate.
[0049] In some embodiments, the buckle assembly further includes a handle 7. The handle 7 is arranged at one end of the fixed bolt 5 away from the connection with the sliding rod 1. By providing the handle 7 on the fixed bolt 5, the staff can more easily rotate the fixed bolt 5, further reducing the operation difficulty of the staff for the steering height adjustment device.
[0050] Exemplarily, in another alternative embodiment, the buckle assembly can also be an electric driving device. In this embodiment, the driving end of the electric driving device is connected to the sliding plate 2. The sliding plate 2 is driven to move along the sliding rod 1 by the electric driving device, and the position of the sliding plate 2 on the sliding rod 1 is limited by controlling the extension amount of the driving end of the electric driving device.
[0051] In some embodiments, such as Figure 4As shown, a rotating shaft 8 is further provided on the sliding plate 2. The pulley 3 is connected to the sliding plate 2 through the rotating shaft 8, and the pulley 3 slides relative to the sliding plate 2 with the rotating shaft 8 as the center. It can be understood that in this embodiment, through the rotating shaft 8, the pulley 3 can be rotatably arranged on the sliding plate 2. By rotating the pulley 3, the orientation of the pulley 3 can be changed, so as to realize the arbitrary change of the conveying direction of the diamond wire without moving the wire saw machine, so as to meet the mining requirements of complex terrains such as open-pit stone mines.
[0052] Exemplarily, in this embodiment, a plurality of positioning holes 9 are further provided on the sliding plate 2. The plurality of positioning holes 9 are arranged on the sliding plate 2 in a circumferential array with the rotating shaft 8 as the center. The rotating shaft 8 is arranged on one side of the pulley 3, and a positioning bolt 10 for engaging with the positioning hole 9 is further provided on the other side of the pulley 3. During use, loosen the positioning bolt 10 and rotate the pulley 3 according to requirements to adjust the conveying direction of the diamond wire. When the sliding plate 2 rotates around the axis to the target angle and aligns the hole positions, tighten the bolt to achieve mechanical fixation.
[0053] In this embodiment, by providing a plurality of positioning holes 9 on the sliding plate 2 that are arranged on the sliding plate 2 in a circumferential array with the rotating shaft 8 as the center, the staff can quickly switch the conveying direction of the diamond wire according to requirements, further reducing the operation difficulty of the staff.
[0054] Exemplarily, in this embodiment, the pulley 3 includes a rotating wheel 11, a bracket 12 and a shock-absorbing base 13. Two through holes are provided on the shock-absorbing base 13, and the two through holes are respectively located at both ends of the shock-absorbing base 13 for installing the rotating shaft 8 and the positioning bolt 10 respectively. The bracket 12 is fixedly arranged on the shock-absorbing base 13, and the bracket 12 is located between the two through holes. The rotating wheel 11 is arranged at one end of the bracket 12 away from the shock-absorbing base 13 and is rotatably connected to the shock-absorbing base 13. In this embodiment, the shock-absorbing base 13 is arranged at the bottom end of the bracket 12. Through the shock-absorbing base 13, the vibration effect of the main structure can be effectively reduced, thereby ensuring the stability of the main structure during use.
[0055] In some embodiments, the steering and height adjustment device further includes a leveling device 14 and a base 15. The sliding rod 1, the sliding plate 2 and the pulley 3 are all arranged on the base 15, and the leveling device 14 is arranged on the base 15 for leveling the base 15. It can be understood that because the terrain of the open-pit stone mine is relatively complex, in order to prevent the steering and height adjustment device from tipping over due to uneven ground during use, in this embodiment, the base 15 is leveled through the leveling device 14 to ensure that the steering and height adjustment device remains horizontal or stable during operation or use, thereby improving safety, efficiency or accuracy.
[0056] Exemplarily, in this embodiment, the leveling device 14 includes leveling bolts. Through holes are provided on the base 15, and threads adapted to the leveling bolts are provided in the through holes. The leveling bolts are arranged in the through holes, and one end of the leveling bolt extends from the side of the base 15 away from the sliding rod 1. By rotating the leveling bolts, the extension amount of the leveling bolts can be adjusted, so that the steering height adjustment device can adapt to the uneven actual working platform.
[0057] As Figure 1 shown, in an embodiment of the present application, a wire saw machine is further provided, and this wire saw machine applies the steering height adjustment device for a mining diamond wire saw machine as described in any one of the above.
[0058] It should be noted that the present application is not limited to the above embodiments. The above embodiments are only examples, and embodiments having the same structure and the same function and effect as the technical idea within the technical solution scope of the present application are included in the technical scope of the present application. In addition, within the scope not departing from the gist of the present application, various modifications that can be thought of by those skilled in the art to the embodiments, and other ways constructed by combining some constituent elements of the embodiments are also included in the scope of the present application.
Claims
1. A steering and height-adjusting device for a diamond wire saw machine in a mine, characterized in that, Including: Slide bar; Two groups of sliding plates, both of the two groups of sliding plates are slidably arranged on the slide bar; Pulleys, both of the two groups of sliding plates are provided with the pulleys, and the pulleys on the two groups of sliding plates are arranged oppositely, and the pulleys are used for the saw rope of the rope saw machine to pass through.
2. The steering and height-adjusting device for a diamond wire saw machine in a mine according to claim 1, wherein, There are four slide bars, and the four slide bars are arranged parallel to each other.
3. The steering and height adjustment device for a diamond wire saw machine in a mine according to claim 1, characterized in that, It further includes a buckle assembly, and the buckle assembly is arranged at the connection between the sliding plate and the slide bar for restricting the sliding of the sliding plate relative to the slide bar.
4. The steering and height-adjusting device for a diamond wire saw machine in a mine according to claim 3, characterized in that, The buckle assembly includes: Fixed buckle, the fixed buckle is slidably arranged on the slide bar, and a notch is further arranged on the side wall of the fixed buckle, and the sliding plate is placed in the notch; Fixed bolt, a threaded hole is further arranged on the side wall of the fixed buckle, the fixed bolt is arranged in the threaded hole, and one end of the fixed bolt extends into the threaded hole and is clamped with the slide bar.
5. The steering and height adjustment device for a diamond wire saw machine in a mine according to claim 4, characterized in that, The buckle assembly includes at least one of the fixed bolts.
6. The steering and height-adjusting device for a mine diamond wire saw machine according to claim 4, characterized in that, The buckle assembly further includes a handle, and the handle is arranged at one end of the fixed bolt far from the connection with the slide bar.
7. The steering and height adjustment device for a diamond wire saw machine in a mine according to claim 1, characterized in that, A rotating shaft is further arranged on the sliding plate, the pulley is connected to the sliding plate through the rotating shaft, and the pulley slides relative to the sliding plate with the rotating shaft as the center of the circle.
8. The steering and height adjustment device for a diamond wire saw machine in a mine according to claim 7, characterized in that, A plurality of positioning holes are further arranged on the sliding plate, the plurality of positioning holes are arranged in a circumferential array evenly on the sliding plate with the rotating shaft as the center of the circle, the rotating shaft is arranged on one side of the pulley, and a positioning bolt for clamping with the positioning hole is further arranged on the other side of the pulley.
9. The steering and height adjustment device for a diamond wire saw machine in a mine according to claim 1, characterized in that, It further includes a leveling device and a base, the slide bar, the sliding plate and the pulley are all arranged on the base, and the leveling device is arranged on the base for leveling the base.
10. A wire saw machine, characterized in that, The steering and height-adjusting device for a mine diamond rope saw machine as claimed in any one of claims 1-9 is applied.