Ship valve grinding device

Abstract

The utility model discloses a ship valve grinding device which comprises a grinding assembly detachably connected with an assembling assembly. An output shaft of the driving motor is fixedly connected with the assembling assembly, and the driving motor is fixedly connected with the connecting assembly; the connecting assembly is used for being connected with a valve; the assembling assembly is used for assembling the grinding assembly to an output shaft of the driving motor; and the leveling assembly is used for leveling the grinding assembly. The ship valve grinding device can automatically grind the sealing surface of the ship valve, can adjust the levelness of the grinding assembly, and belongs to the technical field of ship valve maintenance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ship valve maintenance technical field, especially relate to a ship valve grinding device. BACKGROUND

[0002] Valve is the indispensable control element of fluid control in ship pipeline system, for the fluid control system, valve plays the important role such as opening and cutting off medium flow and controlling the flow, pressure and flow direction of fluid in it.

[0003] After long time use, the sealing surface of valve is easily corroded by water, leading to uneven of sealing surface, the sealing surface is no longer plane, the flatness of valve sealing surface is damaged, which affects the use of subsequent valve, for example, the valve may leak.

[0004] For the above problem, if the sealing surface of valve is not corroded very seriously, the sealing surface can be repaired by grinding to make the flatness of sealing surface meet the use requirement, if the sealing surface of valve is corroded very seriously, a new valve needs to be replaced, and the new valve needs to be inlaid with copper ring and then ground after use.

[0005] At present, in ship production site, for various ship valves corroded by water, manual grinding method is adopted, the operator holds the valve, respectively inserts different grinding heads into the sealing surface inside the valve according to the requirement, and then manually rotates the grinding head to grind it, although this method is simple to operate, but the labor intensity is large and the working efficiency is low, since it is manual grinding, the grinding head cannot be kept horizontal, leading to the sealing surface of valve to be easily inclined after grinding. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a ship valve grinding device, which can automatically grind the sealing surface of ship valve, and can adjust the levelness of grinding assembly.

[0007] The specific technical scheme is as follows:

[0008] A ship valve grinding device, comprising:

[0009] Grinding assembly, the grinding assembly is detachably connected with the assembly component;

[0010] Drive motor, the output shaft of drive motor is fixedly connected with the assembly component, and the drive motor is fixedly connected with the connecting component;

[0011] Connecting component, the connecting component is used for connecting with the valve;

[0012] Assembly component, the assembly component is used for assembling the grinding assembly to the output shaft of drive motor;

[0013] The leveling assembly is used for leveling the grinding assembly.

[0014] Preferably, the grinding assembly comprises a grinding disc, a transmission rod and a connecting piece, a connecting sleeve is arranged on the connecting surface of the grinding disc and the connecting piece, the connecting sleeve is provided with a first locking hole, the connecting piece is provided with a second locking hole and a third locking hole, the transmission rod is provided with a fourth locking hole, the first locking hole and the second locking hole are communicated, the third locking hole and the fourth locking hole are communicated, the first locking hole and the second locking hole pass through a first connecting rod, and the two ends of the first connecting rod are threadedly connected with nuts; the third locking hole and the fourth locking hole pass through a second connecting rod, and the two ends of the second connecting rod are threadedly connected with nuts; and the transmission rod is detachably connected with the assembling assembly.

[0015] Preferably, the assembling assembly comprises a fixing sleeve and a third connecting rod, the third sleeve is sleeved with the transmission rod, the third sleeve is provided with a fifth locking hole, the transmission rod is provided with a sixth locking hole, the fifth locking hole and the sixth locking hole pass through the third connecting rod, and the two ends of the third connecting rod are connected with nuts.

[0016] Preferably, the connecting assembly comprises a fixed plate, a screw rod, a light rod and two connecting plates, one end of each of the two connecting plates is used for being fixed on the two sides of the opening opposite to the surface to be ground of the valve, the screw rod is rotationally connected to one connecting plate, the light rod is fixed to the other connecting plate, the light rod and the screw rod are parallel to each other, the end of the screw rod is connected with a rotating handle, a sliding block is threadedly connected to the screw rod, a connecting block is slidably connected to the light rod, and the two ends of the fixed plate are fixedly connected with the sliding block and the connecting block respectively; and a driving motor is fixed to the fixed plate.

[0017] Preferably, the leveling assembly comprises a level, and the level is installed on the fixed plate.

[0018] Preferably, the ship valve grinding device further comprises a cooling assembly, and the cooling assembly is used for spraying cooling liquid to the surface to be ground of the valve and the grinding assembly.

[0019] Preferably, the cooling assembly comprises a water spraying pipeline, a spray head and a water tank, the spray head is connected to the water spraying pipeline, the water spraying pipeline is connected to the water tank, a control valve is further connected to the water spraying pipeline, and the water spraying pipeline is connected to the fixed plate.

[0020] Compared with the prior art, the ship valve grinding device has the following beneficial effects:

[0021] 1. The ship valve grinding device can realize automatic grinding of the sealing surface of the valve.

[0022] 2. The ship valve grinding device can replace the grinding assembly according to different valves.

[0023] 3. The ship valve grinding device can level the grinding assembly. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0025] Fig. 1 Fig. 1 is a structural schematic view of a ship valve grinding device when it is assembled with a valve.

[0026] Fig. 2 Fig. 2 is a structural schematic view of a ship valve grinding device after removing a cooling assembly.

[0027] Fig. 3 Fig. 3 is a structural schematic view of a cooling assembly.

[0028] Main drawing sign explanation:

[0029] 1 is a valve, 11 is a sealing surface, 2 is a grinding assembly, 21 is a grinding disc, 22 is a connecting sleeve, 3 is a cooling assembly, 31 is a water tank, 32 is a control valve, 33 is a spray head, 34 is a water spraying pipeline, 4 is a connecting assembly, 41 is a rotating handle, 42 is a screw rod, 43 is a connecting plate, 44 is a sliding block, 45 is a fixed plate, 5 is a driving motor, 6 is a level, 7 is an assembling assembly, 71 is a first connecting rod, 72 is a connecting piece, 73 is a transmission rod, 74 is a second connecting rod, 75 is a third connecting rod, 8 is a positioning plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.

[0034] Example 1

[0035] like Figs. 1-3 As shown, this embodiment provides a marine valve grinding device, comprising:

[0036] Grinding component 2, which is detachably connected to assembly component 7;

[0037] Drive motor 5, the output shaft of drive motor 5 is fixedly connected to assembly component 7, and drive motor 5 is fixedly connected to connecting component 4;

[0038] Connection component 4 is used to connect to valve 1;

[0039] Assembly component 7 is used to assemble grinding component 2 to the output shaft of drive motor 5;

[0040] Leveling component, the leveling component is used to level grinding component 2.

[0041] Ship valve grinding is an important work in ship maintenance, mainly used for repairing the valve disc and valve seat sealing surface 11 worn out due to long-term use, to restore its sealing performance. Grinding usually uses annular grinding mold or grinding disc 21, through the uniform pressure of circumferential movement and slow rotation of the valve disc or valve seat for grinding. The grinding agent used includes aluminum oxide, silicon carbide, boron carbide, etc., these materials have different particle sizes, suitable for rough grinding, medium grinding and fine grinding. For the severely worn sealing surface 11, it may be necessary to carry out surfacing and turning processing first, and then grinding. Before grinding, first use professional cleaning agent to clean the valve 1 sealing surface 11, check whether there are dents or scratches, check to have dents or scratches, first connect the connecting assembly 4 with the valve 1 fixed, make the grinding assembly 2 align the opening opposite to the valve 1 to be ground surface, adjust the leveling assembly to ensure that the grinding assembly 2 is horizontal relative to the valve 1 sealing surface 11, to avoid the inclination of grinding.

[0042] The grinding assembly 2 comprises a grinding disc 21, a transmission rod 73 and a connecting piece 72, the connecting surface of the grinding disc 21 and the connecting piece 72 is provided with a connecting sleeve 22, the connecting sleeve 22 is provided with a first locking hole, the connecting piece 72 is provided with a second locking hole and a third locking hole, the transmission rod 73 is provided with a fourth locking hole, the first locking hole and the second locking hole are communicated, the third locking hole and the fourth locking hole are communicated, the first locking hole and the second locking hole pass through a first connecting rod 71, the two ends of the first connecting rod 71 are threadedly connected with nuts; the third locking hole and the fourth locking hole pass through a second connecting rod 74, the two ends of the second connecting rod 74 are threadedly connected with nuts; the transmission rod 73 is detachably connected with the assembling assembly 7. In use, the connecting sleeve 22 is sleeved on the outside of the connecting piece 72, so that the first locking hole and the second locking hole are communicated, then the first connecting rod 71 is passed through, so that the two ends of the first connecting rod 71 protrude from the first locking hole, then the nuts are locked, so that the connecting sleeve 22 and the connecting piece 72 are relatively fixed, when the connecting piece 72 rotates, the connecting sleeve 22 rotates together, thereby driving the grinding disc 21 to rotate. The part of the transmission rod 73 connected with the connecting piece 72 is provided with a groove, the transmission rod 73 is sleeved on the outside of the connecting piece 72 through the groove, so that the third locking hole and the fourth locking hole are correspondingly communicated, then the two ends of the second connecting rod 74 protrude from the fourth locking hole, then the nuts are locked, so that the connecting piece 72 and the transmission rod 73 are relatively fixed, so that the connecting piece 72 can rotate with the transmission rod 73, the connecting piece 72 is a cylindrical or cuboid rod, or can be other shapes, according to the internal space structure of the connecting sleeve 22 and the structure design of the groove, so that it is convenient to connect; when the grinding disc 21 needs to be replaced, the nuts at the two ends of the first connecting rod 71 are loosened, the first connecting rod 71 is pulled out from the first locking hole and the second locking hole, then the grinding disc 21 is unsleeved from the connecting piece 72, a new grinding disc 21 is sleeved on the connecting piece 72, then the first connecting rod 71 is connected and locked again, the replacement is completed. If the connecting piece 72 needs to be replaced, the nuts of the second connecting rod 74 are loosened.

[0043] The assembling assembly 7 comprises a fixing sleeve and a third connecting rod 75, the third sleeve is sleeved with the transmission rod 73, the third sleeve is provided with a fifth locking hole, the transmission rod 73 is provided with a sixth locking hole, the third connecting rod 75 passes through the fifth locking hole and the sixth locking hole, and the two ends of the third connecting rod 75 are connected with nuts. The fixing sleeve is connected with the output shaft of the driving motor 5 through a key, and the cooperation mode of the fixing sleeve and the transmission rod 73 is consistent with the cooperation mode of the connecting sleeve 22 and the connecting piece 72, which will not be described here in detail, and the third connecting rod 75 only needs to be loosened when the transmission rod 73 needs to be replaced.

[0044] The connecting assembly 4 comprises a fixed plate 45, a screw rod 42, a light rod and two connecting plates 43, one end of each of the two connecting plates 43 is used for being fixed on the two sides of the opening opposite to the surface to be ground of the valve 1, the screw rod 42 is rotationally connected to one of the connecting plates 43, the light rod is fixed to the other connecting plate 43, the light rod and the screw rod 42 are parallel to each other, the end of the screw rod 42 is connected with a rotating handle 41, the screw rod 42 is threadedly connected with a sliding block 44, the light rod is slidably connected with a connecting block, and the two ends of the fixed plate 45 are fixedly connected with the sliding block 44 and the connecting block respectively; and the driving motor 5 is fixed to the fixed plate 45. Through such arrangement, the fixed plate 45 can be lifted between the two connecting plates 43 to adjust the grinding feed depth.

[0045] The connecting assembly 4 comprises a fixed plate 45, two screw rods 42 and two connecting plates 43, one end of each of the two connecting plates 43 is used for being fixed on the two sides of the opening opposite to the surface to be ground of the valve 1, the two screw rods 42 are rotationally connected to the two connecting plates 43 respectively, the two screw rods 42 are parallel to each other, the end of the screw rod 42 is connected with a rotating handle 41, the screw rod 42 is threadedly connected with a sliding block 44, and the two ends of the fixed plate 45 are fixedly connected with the two sliding blocks 44 respectively; and the driving motor 5 is fixed to the fixed plate 45. Through the two screw rods 42 arranged in this way, in addition to the fixed plate 45 being able to be lifted between the two connecting plates 43 to adjust the grinding feed depth, the horizontal degree of the fixed plate 45 and the horizontal degree of the grinding disc 21 can be conveniently adjusted.

[0046] In some embodiments, the connecting assembly 4 further comprises a positioning plate 8, the positioning plate 8 is fixedly connected with the plane of the opening opposite to the sealing surface 11 of the valve 1, the two connecting plates 43 are fixedly connected with the positioning plate 8, and the screw rod 42 is rotationally connected with the positioning plate 8 through a bearing. The positioning plate 8 is provided with a through hole corresponding to the opening opposite to the sealing surface 11 of the valve 1, and the through hole corresponds to the opening opposite to the sealing surface 11 of the valve 1, so that after the grinding disc 21 is inserted, the grinding disc 21 is opposite to the sealing surface 11 of the valve 1.

[0047] The leveling assembly comprises a level 6, and the level 6 is installed on the fixed plate 45. Before grinding, the valve 1 is fixed to ensure that the sealing surface 11 of the valve 1 is horizontal, the horizontal degree of the fixed plate 45 is detected through the level 6 installed on the fixed plate 45, if the horizontal degree of the fixed plate 45 is not 0, the screw rod 42 is rotated to adjust the horizontal degree of the fixed plate 45, so that the surface of the grinding disc 21 facing the sealing surface 11 of the valve 1 is horizontal.

[0048] The ship valve grinding device further comprises a cooling assembly 3, and the cooling assembly 3 is used for spraying cooling liquid to the surface to be ground of the grinding assembly 2 and the valve 1.

[0049] The cooling assembly 3 comprises a water spraying pipe 34, a spray head 33 and a water tank 31, the spray head 33 is connected to the water spraying pipe 34, the water spraying pipe 34 is connected to the water tank 31, a control valve 32 is further connected to the water spraying pipe 34, and the water spraying pipe 34 is connected to the fixing plate 45.

[0050] In use, the valve 1 is fixed, the sealing surface 11 of the valve 1 is horizontal (which can be detected and adjusted by using the other level meter 6), the connecting plate 43 or the positioning plate 8 of the connecting assembly 4 is fixed to the outer surface of the opening opposite to the sealing surface 11 (the surface to be ground) of the valve 1, the levelness of the level meter 6 is observed, if the fixing plate 45 is horizontal, no adjustment is needed, if the fixing plate 45 is not horizontal, the rotating handle 41 is controlled to adjust the levelness of the fixing plate 45, after the levelness of the fixing plate 45 is adjusted, the driving motor 5 is started, and the rotating handle 41 is controlled to drive the screw rod 42 to rotate, if the structure of the two screw rods 42 is adopted, the two rotating handles 41 are controlled to rotate simultaneously to drive the grinding disc 21 to feed towards the surface to be ground, after the grinding disc 21 contacts the surface to be ground, the control valve 32 is opened, the spray head 33 sprays the cooling liquid (water), and the grinding is started, during the grinding process, if it is found that the grinding disc 21 is not in contact with the surface to be ground, the rotating handle 41 is controlled to continue to rotate, so that the grinding disc 21 continues to grind, until the surface to be ground is ground flat, the driving motor 5 is turned off, and the rotating handle 41 is controlled to rotate reversely, so that the grinding disc 21 exits the valve 1.

[0051] The foregoing description of the specific exemplary embodiments of the present application is for the purpose of illustrating and describing the present application and is not intended to limit the present application to the precise forms disclosed. It will be apparent to those skilled in the art that many modifications and variations can be made to the embodiments described above, and it is intended to cover all such modifications and variations in the scope of the present application. Although the embodiments of the present application have been shown and described, the present embodiments are merely illustrative of the principles of the present application and are not intended to limit the present application to the precise forms disclosed. The specific features, structures, materials or characteristics described can be combined in any suitable manner in one or more embodiments or examples, and the purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present application and its practical application, so that those skilled in the art can make modifications, replacements, variations and various different selections and changes to the embodiments after reading the specification without creative contribution, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A marine valve lapping device, characterized by, The utility model relates to a valve grinding device, comprising: a grinding assembly, the grinding assembly is detachably connected with the assembly assembly; a driving motor, the output shaft of the driving motor is fixedly connected with the assembly assembly, and the driving motor is fixedly connected with the connecting assembly; the connecting assembly is used for being connected with the valve; the assembly assembly is used for assembling the grinding assembly to the output shaft of the driving motor; the leveling assembly is used for leveling the grinding assembly.

2. A marine valve lapping device according to claim 1, wherein, The grinding assembly comprises a grinding disc, a transmission rod and a connecting piece, a connecting sleeve is arranged on the connecting surface of the grinding disc and the connecting piece, the connecting sleeve is provided with a first locking hole, the connecting piece is provided with a second locking hole and a third locking hole, the transmission rod is provided with a fourth locking hole, the first locking hole and the second locking hole are communicated, the third locking hole and the fourth locking hole are communicated, the first locking hole and the second locking hole pass through a first connecting rod, and the two ends of the first connecting rod are threadedly connected with nuts; the third locking hole and the fourth locking hole pass through a second connecting rod, and the two ends of the second connecting rod are threadedly connected with nuts; the transmission rod is detachably connected with the assembly assembly.

3. A ship valve grinding apparatus according to claim 2, wherein, The assembly assembly comprises a fixing sleeve and a third connecting rod, the third sleeve is sleeved with the transmission rod, the third sleeve is provided with a fifth locking hole, the transmission rod is provided with a sixth locking hole, the fifth locking hole and the sixth locking hole pass through the third connecting rod, and the two ends of the third connecting rod are connected with nuts.

4. A marine valve lapping device according to claim 1, wherein, The connecting assembly comprises a fixed plate, a lead screw, a light rod and two connecting plates, one end of the two connecting plates is used for being fixed on the two sides of the opening opposite to the surface to be ground of the valve, the lead screw is rotatably connected to one connecting plate, the light rod is fixed to the other connecting plate, the light rod and the lead screw are parallel to each other, the end of the lead screw is connected with a rotating handle, the lead screw is threadedly connected with a sliding block, the light rod is slidably connected with a connecting block, and the two ends of the fixed plate are fixedly connected with the sliding block and the connecting block respectively; the driving motor is fixed on the fixed plate.

5. A marine valve lapping device according to claim 4, wherein, The leveling assembly comprises a level, and the level is installed on the fixed plate.

6. A marine valve lapping device according to claim 4, wherein, The utility model further comprises a cooling assembly, which is used for spraying cooling liquid to the surface to be ground of the valve and the grinding assembly.

7. A marine valve lapping device according to claim 6, wherein, The cooling assembly comprises a water spraying pipeline, a spray head and a water tank, the spray head is connected to the water spraying pipeline, the water spraying pipeline is connected to the water tank, a control valve is further connected to the water spraying pipeline, and the water spraying pipeline is connected to the fixed plate.

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