Turbine oil pump mounting structure

Abstract

The utility model discloses a steam turbine oil pump installation structure which comprises an oil receiving pipe and an oil inlet pipe, an annular notch is formed in the side, close to a butt joint disc, of a bearing disc, an annular rib used for being inserted into the annular notch is fixedly arranged on one side of the butt joint disc, and two protruding bases are fixedly arranged on the outer side of the bearing disc in an axis symmetry mode. A slot opening is formed in the side, close to the inserting plate, of the protruding base, and two elastic positioning blocks used for locking the inserting plate are installed at the two ends of the bottom of the slot opening. When the oil receiving pipe and the oil inlet pipe are installed, only the annular rib of the butt joint disc needs to be inserted into the annular notch of the bearing disc, the inserting plate is inserted into the inserting groove opening, a double-layer sealing mechanism is arranged, the sealing performance is improved, the elastic positioning block can lock the inserting plate to complete butt joint of the oil receiving pipe and the oil inlet pipe, and operation is easy and saves labor.

Description

Technical Field

[0001] This utility model relates to the field of steam turbine technology, specifically a steam turbine oil pump installation structure. Background Technology

[0002] Steam turbines are the main equipment in modern thermal power plants, and are also used in metallurgical industries, chemical industries, and ship propulsion systems. Steam turbines are external combustion rotary machines that can convert steam heat energy into mechanical work. Oil pumps are lightweight and compact pumps, and are classified into three main types: in-line, distribution, and single-unit.

[0003] Existing turbine oil pump pipelines are typically fixed using flanges and several bolts during connection.

[0004] Patent publication number CN213541572U discloses a turbine oil pump pipeline docking mechanism, including a first oil pipe and a second oil pipe, both of which have an oil flow hole. The first connecting plate has a first through hole inside. By setting up a first connecting plate, a second connecting plate, a fixed connecting plate, a fixed collar, and a fixed connecting shaft in the second connecting plate, the docking and disassembly of the turbine oil pump pipeline can be made simpler, ultimately improving the efficiency of docking and disassembly of the turbine oil pump pipeline.

[0005] However, the above-mentioned docking mechanism has problems such as poor sealing and the need for disassembly with considerable force. Therefore, this utility model provides a turbine oil pump installation structure to solve the above problems. Utility Model Content

[0006] This utility model provides a turbine oil pump installation structure, which aims to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A turbine oil pump mounting structure includes an oil inlet pipe and an oil outlet pipe. One end of the oil inlet pipe and the oil outlet pipe are respectively provided with an integrally formed receiving disc and a docking disc. An annular groove is formed on the side of the receiving disc near the docking disc. An annular rib for inserting into the annular groove is fixed on one side of the docking disc. One end of the oil outlet pipe extends out of the docking disc and inserts into the inner ring of the receiving disc. Two protruding seats are fixedly and symmetrically on the outer side of the receiving disc. Two insert plates are fixedly and symmetrically on the outer side of the docking disc. Slots are formed on the side of the protruding seats near the insert plates. The insert plates are inserted into the corresponding slots. Two elastic positioning blocks for locking the insert plates are installed at both ends of the bottom of the slots.

[0009] As a preferred technical solution of this application, a pushing mechanism is installed on the protruding seat, which is used to push the elastic positioning block to move.

[0010] As a preferred technical solution of this application, the elastic positioning block includes a positioning block and a second spring. Grooves are provided at both ends of the bottom of the slot. The positioning block is slidably installed in the groove. The lower end of the positioning block is fixedly connected to the bottom of the groove by the second spring. The surface of the insert plate is provided with a positioning hole for the insertion of the positioning block.

[0011] As a preferred technical solution of this application, the pushing mechanism includes two push rods and two first springs. Through holes are opened at both ends of the outer side of the protruding seat away from the elastic positioning block. The push rods are movably inserted into the through holes. A connecting groove is opened between the two through holes. A partition is fixedly installed in the middle of the groove. The two first springs are respectively fixedly installed on both sides of the partition. The first springs are in elastic contact with the corresponding push rods.

[0012] As a preferred technical solution of this application, a rubber block is fixedly installed at one end of the first spring near the top rod.

[0013] As a preferred technical solution of this application, rubber rings are provided on both the annular groove and the outer surface of the annular rib.

[0014] As a preferred technical solution of this application, the positioning block is inclined on the side near the insertion plate, and the lower end of the top rod is conical.

[0015] As a preferred technical solution of this application, the positioning block is inclined on the side near the insertion plate, and the lower end of the top rod is conical.

[0016] When installing the oil inlet pipe and the oil connection pipe, this utility model only requires inserting the ring rib of the docking disc into the ring groove of the receiving disc and inserting the insert plate into the slot. It has a double-layer sealing mechanism to improve the sealing performance. The elastic positioning block can lock the insert plate to complete the docking of the oil inlet pipe and the oil connection pipe. The operation is simple and labor-saving.

[0017] When disassembly is required, the elastic positioning block is pushed off the insert plate by the push mechanism, and the insert plate can be easily pulled out of the slot, thus completing the disassembly of the oil inlet pipe and the oil outlet pipe. Attached Figure Description

[0018] Figure 1 A schematic diagram of a turbine oil pump mounting structure;

[0019] Figure 2 An exploded view of a turbine oil pump installation structure;

[0020] Figure 3 A sectional view of the receiving disk;

[0021] Figure 4 This is a structural diagram of the docking disk.

[0022] In the picture:

[0023] 1. Oil inlet pipe; 2. Oil outlet pipe; 3. Receiving disc; 31. Annular groove; 4. Connecting disc; 41. Annular rib; 5. Protruding seat; 51. Slot opening; 52. Groove; 53. Through hole; 54. Sliding groove; 6. Insert plate; 61. Positioning hole; 7. Pushing mechanism; 71. Push rod; 72. Rubber block; 73. First spring; 8. Elastic positioning block; 81. Positioning block; 82. Second spring; 91. Rubber ring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a turbine oil pump installation structure, including an oil inlet pipe 1 and an oil outlet pipe 2. One end of the oil inlet pipe 1 and the oil outlet pipe 2 is respectively provided with an integral receiving disc 3 and a docking disc 4. The receiving disc 3 has an annular groove 31 on the side near the docking disc 4. The docking disc 4 has an annular rib 41 fixed on one side for inserting into the annular groove 31. One end of the oil outlet pipe 2 extends out of the docking disc 4 and is inserted into the inner ring of the receiving disc 3. Two protruding seats 5 are fixedly fixedly on the outer side of the receiving disc 3 in an axially symmetrical manner. Two insert plates 6 are fixedly fixedly on the outer side of the docking disc 4 in an axially symmetrical manner. The protruding seats 5 have slots 51 on the side near the insert plates 6. The insert plates 6 are inserted into the corresponding slots 51. Two elastic positioning blocks 8 are installed at both ends of the bottom of the slots 51 for locking the insert plates 6.

[0026] In this embodiment, a pushing mechanism 7 is installed on the protruding seat 5. The pushing mechanism 7 is used to push the elastic positioning block 8 to move, so that the elastic positioning block 8 is disengaged from the positioning hole 61, and the insert plate 6 is disengaged from the slot opening 51.

[0027] In this embodiment, the elastic positioning block 8 includes a positioning block 81 and a second spring 82. Both ends of the bottom of the slot 51 are provided with grooves 52. The positioning block 81 is slidably installed in the groove 52. The lower end of the positioning block 81 is fixedly connected to the bottom of the groove 52 by the second spring 82. The surface of the insert plate 6 is provided with a positioning hole 61 for the insertion of the positioning block 81.

[0028] In this embodiment, the pushing mechanism 7 includes two push rods 71 ​​and two first springs 73. The outer ends of the protruding seat 5 are provided with through holes 53 at positions away from the elastic positioning block 8. The push rods 71 ​​are movably inserted into the through holes 53. A connecting groove 54 is provided between the two through holes 53. A partition is fixedly installed in the middle of the groove 54. The two first springs 73 are respectively fixedly installed on both sides of the partition. The first springs 73 are in elastic contact with the corresponding push rods 71, which plays a role in stabilizing the push rods 71.

[0029] To further enhance the stability of the push mechanism 7 on the push rod 71, in this embodiment, a rubber block 72 is fixedly installed at one end of the first spring 73 near the push rod 71 to increase friction and prevent the push rod 71 from sliding easily.

[0030] To enhance sealing, in this embodiment, rubber rings 91 are provided on the outside of both the annular groove 31 and the annular rib 41.

[0031] In this embodiment, the positioning block 81 is inclined on the side near the insertion plate 6, and the lower end of the top rod 71 is tapered to facilitate the detachment of the insertion plate 6.

[0032] The specific operating steps are as follows: When installing the oil inlet pipe 1 and the oil outlet pipe 2, simply insert the ring rib 41 of the docking disc 4 into the ring groove 31 of the receiving disc 3, insert the insert plate 6 into the slot 51, and the positioning block 81 can be inserted into the positioning hole 61 of the insert plate 6 by the elastic force of the second spring 82, thereby locking the insert plate 6 and fixing the receiving disc 3 and the docking disc 4 together.

[0033] When disassembly is required, simply press the push rod 71. The push rod 71 will push the positioning block 81 down to disengage from the positioning hole 61. Then, move the push rod 71 up a bit to smoothly pull the insert plate 6 out of the slot 51, thereby completing the disassembly work between the oil inlet pipe 1 and the oil outlet pipe 2.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A turbine oil pump mounting structure, comprising an oil inlet pipe and an oil connection pipe, characterized in that: The oil inlet pipe and the oil receiving pipe are respectively provided with an integral receiving disc and a docking disc at one end. The receiving disc has an annular groove on the side near the docking disc. The docking disc has an annular rib fixed on one side for insertion into the annular groove. One end of the oil inlet pipe extends out of the docking disc and inserts into the inner ring of the receiving disc. Two protruding seats are fixedly fixedly on the outer side of the receiving disc in an axially symmetrical manner. Two insert plates are fixedly fixedly on the outer side of the docking disc in an axially symmetrical manner. The protruding seats have slots on the side near the insert plates. The insert plates are inserted into the corresponding slots. Two elastic positioning blocks are installed at both ends of the bottom of the slots for locking the insert plates.

2. The turbine oil pump mounting structure according to claim 1, characterized in that: A pushing mechanism is installed on the protruding seat, which is used to push the elastic positioning block to move.

3. The turbine oil pump installation structure according to claim 2, characterized in that: The elastic positioning block includes a positioning block and a second spring. Grooves are provided at both ends of the bottom of the slot. The positioning block is slidably installed in the groove. The lower end of the positioning block is fixedly connected to the bottom of the groove by the second spring. The surface of the insert plate is provided with positioning holes for the insertion of the positioning block.

4. The turbine oil pump mounting structure according to claim 2, characterized in that: The pushing mechanism includes two push rods and two first springs. Through holes are opened at both ends of the outer side of the protruding seat away from the elastic positioning block. The push rods are movably inserted into the through holes. A connecting groove is opened between the two through holes. A partition is fixedly installed in the middle of the groove. The two first springs are respectively fixedly installed on both sides of the partition. The first springs are in elastic contact with the corresponding push rods.

5. The turbine oil pump mounting structure according to claim 4, characterized in that: A rubber block is fixedly installed at one end of the first spring near the top rod.

6. The turbine oil pump mounting structure according to claim 1, characterized in that: Both the annular groove and the outer surface of the annular rib are provided with rubber rings.

7. The turbine oil pump mounting structure according to claim 4, characterized in that: The positioning block is inclined on the side near the insertion plate, and the lower end of the top rod is tapered.

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