CN214247432U - Low-pressure cylinder reinforcing device of power plant steam turbine - Google Patents
Low-pressure cylinder reinforcing device of power plant steam turbine Download PDFInfo
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- CN214247432U CN214247432U CN202120436443.0U CN202120436443U CN214247432U CN 214247432 U CN214247432 U CN 214247432U CN 202120436443 U CN202120436443 U CN 202120436443U CN 214247432 U CN214247432 U CN 214247432U
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- low pressure
- top cap
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Abstract
The utility model discloses a steam turbine low pressure jar reinforcing apparatus of power plant, including the top cap, the fixed frame of both sides fixedly connected with of top cap, the bottom of fixed frame is provided with leads positive groove, the lateral wall of fixed frame is provided with fixing device, the utility model relates to a steam turbine technical field of power plant. This power plant's steam turbine low pressure jar reinforcing apparatus, reached and installed the top cap additional in the top of low pressure jar, be convenient for support the protection to the low pressure jar, reduce the external influence to the low pressure jar, the groove is led in the setting, make the top cap when installing, lead with the leading positive post on low pressure jar surface, improve the installation accuracy, set up warning device, be convenient for detect the top cap installation, judge whether the installation targets in place, set up fixing device, be convenient for consolidate the top cap installation, improve the installation stability, set up buffer, make the top cap when installing with the low pressure jar, certain buffer performance has, improve the protection to equipment, satisfy the purpose of user demand.
Description
Technical Field
The utility model relates to a steam turbine field of power plant, more specifically say, relate to a steam turbine low pressure cylinder reinforcing apparatus of power plant.
Background
The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants. The power plant steam turbine ubiquitous low pressure outer cylinder intensity problem not enough, equipment when moving, the external world causes the low pressure jar to warp easily, influences equipment life, can't satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Aiming at the problems that the strength of a low-pressure outer cylinder of a power plant steam turbine is not enough commonly in the prior art, the low-pressure cylinder is easy to deform by the outside when the equipment is operated, the service life of the equipment is influenced, and the use requirement cannot be met, the utility model aims to provide a low-pressure cylinder reinforcing device of a power plant steam turbine, which can realize that a top cover, a fixing frame, a guiding groove, a fixing device, a warning device and a buffer device form a whole, the top cover is additionally arranged above the low-pressure cylinder, the low-pressure cylinder is convenient to support and protect, the influence of the outside on the low-pressure cylinder is reduced, the guiding groove is arranged, when the top cover is installed, the top cover is guided with a guiding column on the surface of the low-pressure cylinder, the installation precision is improved, the warning device is arranged, the top cover installation is convenient to detect, whether the top cover is installed in place is judged, the fixing device is arranged, and the top cover installation is convenient to reinforce, improve installation stability, set up buffer for the top cap has certain shock-absorbing capacity when installing with the low pressure jar, improves the protection to equipment, satisfies the user demand.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a power plant's steam turbine low pressure jar reinforcing apparatus, includes the top cap, the fixed frame of both sides fixedly connected with of top cap, the bottom of fixed frame is provided with leads positive groove, the lateral wall of fixed frame is provided with fixing device, the top of fixed frame is provided with warning device, angle fixedly connected with buffer such as the inner wall of top cap.
Preferably, fixing device includes the installing frame, the installing frame is located the inside of fixed frame, the installing frame inner wall rotates and is connected with the rotation lead screw, the rotation lead screw is located the outside one end fixedly connected with rolling disc of fixed frame, the inner wall fixedly connected with slide bar of installing frame, it has lead screw slider to rotate lead screw threaded connection, lead screw slider and slide bar sliding connection, lead screw slider's fixed surface is connected with the kelly, the inside of fixed frame is provided with the through-hole, the kelly is corresponding with the through-hole.
Preferably, the warning device includes the carriage, carriage and fixed frame fixed connection, the top fixedly connected with siren of carriage, the inside of leading positive groove is provided with the contact block, the positive pole is led to the top fixedly connected with of contact block, lead positive pole and fixed frame sliding connection, the top fixedly connected with extrusion piece of leading positive pole, the top fixedly connected with compression spring of contact block, compression spring cup joints with leading positive pole, the inner wall top of carriage is provided with micro-gap switch, the extrusion piece is corresponding with micro-gap switch, micro-gap switch and siren electric connection.
Preferably, the buffer device comprises a limiting frame, the limiting frame is fixedly connected with the inner wall of the top cover, a supporting spring is fixedly connected with the inner wall of the limiting frame, the limiting frame is fixedly connected with a supporting block through the supporting spring, a supporting rod is fixedly connected with the surface of the supporting block, the supporting rod is connected with the limiting frame in a sliding manner, and the supporting rod is located at one end of the limiting frame, which is outside, and is fixedly connected with a contact plate.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of: the top cover is additionally arranged above the low-pressure cylinder, so that the low-pressure cylinder can be supported and protected conveniently, the influence of the outside on the low-pressure cylinder is reduced, the guide groove is arranged, the top cover is guided with a guide post on the surface of the low-pressure cylinder when being installed, the installation precision is improved, the warning device is arranged, the top cover installation is convenient to detect and judge whether the top cover is installed in place, the fixing device is arranged, the top cover installation is convenient to reinforce, the installation stability is improved, the buffering device is arranged, the top cover has certain buffering performance when being installed with the low-pressure cylinder, the protection on equipment is improved, the fixing device is arranged, the guide post on the surface of the low-pressure cylinder is convenient to reinforce, the installation stability of the top cover is improved, the rotating disc is rotated to drive the rotating lead screw to rotate and drive the lead screw slider to move, the lead screw sliding block slides with the sliding rod, the motion stability of the lead screw sliding block is improved, the lead screw sliding block drives the clamping rod to move, the clamping rod extends out of the through hole and is clamped with the guide post, the installation stability of the top cover is improved, the warning device is arranged, the top cover installation is convenient to detect, whether the top cover is installed in place is judged, when the top cover is installed, the guide post is contacted with the contact block to drive the contact block to move upwards, the guide rod is driven to move, the extrusion block is driven to move, the elastic potential energy of the compression spring is increased until the extrusion block is extruded with the micro switch, the alarm does not work, when the extrusion block is not contacted with the micro switch, the alarm works to give an alarm, the top cover is not installed in place, the service life of equipment is influenced, the buffer device is arranged, the top cover has certain buffer performance in the installation process, and, the extrusion is carried out to drive the supporting rod to move, the supporting block is driven to move, the elastic potential energy of the supporting spring is increased, the buffering and shock absorption are carried out, the protection on the equipment is improved, the service life of the equipment is prolonged, the top cover, the fixing frame, the guide groove, the fixing device, the warning device and the buffer device are integrated, the top cover is additionally arranged above the low-pressure cylinder, the low-pressure cylinder is convenient to support and protect, the influence of the outside on the low-pressure cylinder is reduced, the guide groove is arranged, the top cover is guided with the guide column on the surface of the low-pressure cylinder when being installed, the installation precision is improved, the warning device is arranged, the top cover installation is convenient to detect, whether the top cover is installed in place is judged, the fixing device is arranged, the top cover installation is convenient to reinforce, the installation stability is improved, the buffer device is arranged, the top cover has certain buffer performance when being installed with the low-pressure cylinder, the protection on the equipment is improved, the purpose of meeting the use requirement is achieved.
Drawings
Fig. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;
fig. 4 is a schematic diagram of a partial enlarged structure at B of fig. 2 according to the present invention.
The reference numbers in the figures illustrate:
1. a top cover; 2. a fixing frame; 3. a guide groove; 4. a fixing device; 41. installing a frame; 42. rotating the screw rod; 43. rotating the disc; 44. a slide bar; 45. a lead screw slider; 46. a clamping rod; 47. a through hole; 5. a warning device; 51. a support frame; 52. an alarm; 53. a contact block; 54. a guide rod; 55. extruding the block; 56. a compression spring; 57. a microswitch; 6. a buffer device; 61. a limiting frame; 62. a support spring; 63. a support block; 64. a support bar; 65. a contact plate.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
Example 1:
referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a power plant's steam turbine low pressure jar reinforcing apparatus, includes top cap 1, the fixed frame 2 of both sides fixedly connected with of top cap 1, and the bottom of fixed frame 2 is provided with leads positive groove 3, and the lateral wall of fixed frame 2 is provided with fixing device 4, and the top of fixed frame 2 is provided with warning device 5, and angle fixedly connected with buffer 6 such as the inner wall of top cap 1. Top cap 1, fixed frame 2, lead positive groove 3, fixing device 4, warning device 5 and buffer 6 constitute a whole, install top cap 1 additional in the top of low pressure jar, be convenient for support the protection to the low pressure jar, reduce the external influence to the low pressure jar, set up and lead positive groove 3, make top cap 1 when installing, lead with leading positive post on low pressure jar surface, improve the installation accuracy, set up warning device 5, be convenient for detect top cap 1 installation, judge whether to install in place, set up fixing device 4, be convenient for consolidate top cap 1 installation, improve installation stability, set up buffer 6, make top cap 1 when installing with the low pressure jar, certain shock-absorbing capacity has, improve the protection to equipment.
Example 2:
referring to fig. 4, a power plant steam turbine low pressure cylinder reinforcing apparatus is substantially the same as embodiment 1, and further, the fixing apparatus 4 includes a mounting frame 41, the mounting frame 41 is located inside the fixed frame 2, an inner wall of the mounting frame 41 is rotatably connected with a rotating lead screw 42, one end of the rotating lead screw 42 located outside the fixed frame 2 is fixedly connected with a rotating disc 43, an inner wall of the mounting frame 41 is fixedly connected with a sliding rod 44, the rotating lead screw 42 is in threaded connection with a lead screw sliding block 45, the lead screw sliding block 45 is slidably connected with the sliding rod 44, a surface of the lead screw sliding block 45 is fixedly connected with a clamping rod 46, a through hole 47 is formed inside the fixed frame 2, and the clamping rod 46 corresponds to the through hole 47. Set up fixing device 4, be convenient for consolidate leading positive post to low-pressure cylinder surface, improve top cap 1 installation stability, rotate rolling disc 43, it rotates to drive rotates lead screw 42, drive lead screw slider 45 motion, lead screw slider 45 slides with slide bar 44, improve lead screw slider 45 motion stability, lead screw slider 45 drives kelly 46 motion for kelly 46 stretches out through-hole 47, with lead positive post and carry out the joint, improve top cap 1 installation stability.
Example 3:
referring to fig. 4, a power plant turbine low pressure cylinder reinforcing apparatus is substantially the same as embodiment 1, and further, the warning apparatus 5 includes a supporting frame 51, the supporting frame 51 is fixedly connected to the fixed frame 2, an alarm 52 is fixedly connected to the top of the supporting frame 51, a contact block 53 is disposed inside the guiding groove 3, a guiding rod 54 is fixedly connected to the top of the contact block 53, the guiding rod 54 is slidably connected to the fixed frame 2, a pressing block 55 is fixedly connected to the top of the guiding rod 54, a compression spring 56 is fixedly connected to the top of the contact block 53, the compression spring 56 is sleeved with the guiding rod 54, a micro switch 57 is disposed on the top of the inner wall of the supporting frame 51, the pressing block 55 corresponds to the micro switch 57, and the micro switch 57 is electrically connected to the alarm 52. Set up warning device 5, be convenient for detect the installation of top cap 1, judge whether the installation targets in place, when top cap 1 installs, lead positive post and contact piece 53 and contact, drive contact piece 53 upward movement, it leads positive pole 54 motion to drive, drive extrusion piece 55 motion, increase compression spring 56's elastic potential energy, extrude piece 55 and micro-gap switch 57 mutually, then siren 52 is out of work, when extrusion piece 55 and micro-gap switch 57 contactless, then siren 52 works, report to the police, remind people that the installation of top cap 1 does not target in place, influence equipment life.
Example 4:
referring to fig. 3, a power plant steam turbine low pressure cylinder reinforcing apparatus is substantially the same as that in embodiment 1, and further, the buffering apparatus 6 includes a limiting frame 61, the limiting frame 61 is fixedly connected to an inner wall of the top cover 1, a supporting spring 62 is fixedly connected to an inner wall of the limiting frame 61, the limiting frame 61 is fixedly connected to a supporting block 63 through the supporting spring 62, a supporting rod 64 is fixedly connected to a surface of the supporting block 63, the supporting rod 64 is slidably connected to the limiting frame 61, and a contact plate 65 is fixedly connected to one end of the supporting rod 64 located outside the limiting frame 61. The buffering device 6 is arranged, so that the top cover 1 has certain buffering performance in the installation process, the contact plate 65 is in contact with the top of the low-pressure cylinder and extrudes to drive the supporting rod 64 to move and the supporting block 63 to move, the elastic potential energy of the supporting spring 62 is increased, buffering and shock absorption are performed, the protection of equipment is improved, and the service life of the equipment is prolonged.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.
Claims (4)
1. The utility model provides a power plant's steam turbine low pressure cylinder reinforcing apparatus, includes top cap (1), its characterized in that: the fixed frame (2) of both sides fixedly connected with of top cap (1), the bottom of fixed frame (2) is provided with leads positive groove (3), the lateral wall of fixed frame (2) is provided with fixing device (4), the top of fixed frame (2) is provided with warning device (5), angle fixedly connected with buffer (6) such as the inner wall of top cap (1).
2. The power plant steam turbine low pressure cylinder strengthening device of claim 1, wherein: fixing device (4) are including installing frame (41), installing frame (41) are located the inside of fixed frame (2), installing frame (41) inner wall rotates and is connected with rotation lead screw (42), it is located the outside one end fixedly connected with rolling disc (43) of fixed frame (2) to rotate lead screw (42), the inner wall fixedly connected with slide bar (44) of installing frame (41), it has lead screw slider (45) to rotate lead screw (42) threaded connection, lead screw slider (45) and slide bar (44) sliding connection, the fixed surface of lead screw slider (45) is connected with kelly (46), the inside of fixed frame (2) is provided with through-hole (47), kelly (46) are corresponding with through-hole (47).
3. The power plant steam turbine low pressure cylinder strengthening device of claim 1, wherein: the warning device (5) comprises a supporting frame (51), the supporting frame (51) is fixedly connected with the fixed frame (2), the top of the supporting frame (51) is fixedly connected with an alarm (52), a contact block (53) is arranged inside the guide groove (3), the top of the contact block (53) is fixedly connected with a guide rod (54), the guide rod (54) is connected with the fixed frame (2) in a sliding way, the top of the guide rod (54) is fixedly connected with an extrusion block (55), the top of the contact block (53) is fixedly connected with a compression spring (56), the compression spring (56) is sleeved with the guide rod (54), the top of the inner wall of the support frame (51) is provided with a microswitch (57), the extrusion block (55) corresponds to a microswitch (57), and the microswitch (57) is electrically connected with the alarm (52).
4. The power plant steam turbine low pressure cylinder strengthening device of claim 1, wherein: buffer (6) include spacing frame (61), the inner wall fixed connection of spacing frame (61) and top cap (1), the inner wall fixedly connected with supporting spring (62) of spacing frame (61), spacing frame (61) are through supporting spring (62) fixedly connected with supporting shoe (63), the fixed surface of supporting shoe (63) is connected with bracing piece (64), bracing piece (64) and spacing frame (61) sliding connection, bracing piece (64) are located the outside one end fixedly connected with contact plate (65) of spacing frame (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120436443.0U CN214247432U (en) | 2021-03-01 | 2021-03-01 | Low-pressure cylinder reinforcing device of power plant steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120436443.0U CN214247432U (en) | 2021-03-01 | 2021-03-01 | Low-pressure cylinder reinforcing device of power plant steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214247432U true CN214247432U (en) | 2021-09-21 |
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ID=77727296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120436443.0U Active CN214247432U (en) | 2021-03-01 | 2021-03-01 | Low-pressure cylinder reinforcing device of power plant steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214247432U (en) |
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2021
- 2021-03-01 CN CN202120436443.0U patent/CN214247432U/en active Active
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