CN217872946U

CN217872946U - Water seal cylinder assembly of low-level water tank of steam turbine of thermal power plant

Info

Publication number: CN217872946U
Application number: CN202222372645.0U
Authority: CN
Inventors: 贾俊明; 张振虎
Original assignee: Huadian Xinjiang Hami Coal Power Development Co ltd
Current assignee: Huadian Xinjiang Hami Coal Power Development Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-11-22
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a steam turbine low-level water tank water seal section of thick bamboo subassembly of thermal power factory, including brace table and mount table, the activity is provided with two sets of a supports on the brace table, two sets of a support other ends slide to set up on the mount table, the activity is provided with two sets of b supports on the mount table, two sets of a supports pass through the rotation axis with two sets of b supports and are connected, two sets of b support other ends are provided with the movable block, the movable block slides and sets up on the brace table, movable block threaded connection has the screw rod, the shoulder hole has been seted up on the brace table, be provided with the supporting shoe in the brace table, screw rod one end activity sets up in the shoulder hole, screw rod other end activity sets up in the supporting shoe, be provided with clamping device on the mount table, clamping device includes regulating block and two sets of arm lock. The utility model provides a current structure complex function singleness, inconvenient adjusting it, the installation is dismantled loaded down with trivial details, and the later maintenance work degree of difficulty is big, slows down work efficiency's problem. The height of the mounting platform is adjusted by rotating the screw rod to butt the position of the steam turbine.

Description

Water seal cylinder assembly of low-level water tank of steam turbine of thermal power plant

Technical Field

The utility model relates to a thermal power technical field, more specifically say, in particular to steam turbine low level water tank water seal section of thick bamboo subassembly of thermal power factory.

Background

The steam turbine is directly connected with the water seal barrel, vibration can be continuously generated when the steam turbine works, no damping and cushioning measures are provided, the connection of the water seal barrel is easy to loose, and the installation position of the water seal barrel needs to be installed according to the position and the height of the steam turbine.

The patent number is CN 202120945174.0's utility model discloses a power plant steam turbine low level water seal section of thick bamboo device, the device is when using, many fixing bolt on two shock attenuation formula mounting panels of screwing in proper order earlier get up the device fixed mounting, when the steam turbine is used in operation, the impact that the steam turbine produced water seal section of thick bamboo body effectively reduces under the pulling effect of many spinal branchs pole, simultaneously deuterogamy the shock attenuation grained layer, thereby shock attenuation foam blanket and a plurality of damping spring's antidetonation cushioning effect reduces its vibrations range when the steam turbine work operation effectively by a wide margin, make its long-time stable firm connection on the steam turbine.

Although traditional shock attenuation bradyseism subassembly carries out the shock attenuation to water seal section of thick bamboo, the complex function of structure is single, and inconvenient is adjusted it, and the installation is dismantled loaded down with trivial details, and the later maintenance work degree of difficulty is big, reduces work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine low-level water tank water seal section of thick bamboo subassembly of thermal power factory aims at solving current structure complex function singleness, and inconvenient adjusting it, the installation is dismantled loaded down with trivial details, and the later maintenance work degree of difficulty is big, slows down work efficiency's technical problem.

The utility model discloses a realize like this:

the utility model provides a steam turbine low-level water tank water seal section of thick bamboo subassembly of thermal power factory, includes brace table and mount table, the activity is provided with two sets of a supports on the brace table, and is two sets of the a support other end slides and sets up on the mount table, the activity is provided with two sets of b supports on the mount table, and is two sets of the a support is with two sets of the b support passes through the axis of rotation and is connected, and is two sets of the b support other end is provided with the movable block, the movable block slides and sets up on the brace table, movable block threaded connection has the screw rod, the shoulder hole has been seted up on the brace table, be provided with the supporting shoe in the brace table, screw rod one end activity sets up in the shoulder hole, the activity of the screw rod other end sets up in the supporting shoe, be provided with clamping device on the mount table, clamping device includes regulating block and two sets of arm lock.

As the utility model discloses a preferred technical scheme, it is two sets of to have seted up the adjustment tank in the regulating block the arm lock sets up in the adjustment tank, it is two sets of the arm lock has two-way double-screw bolt through threaded connection, two-way double-screw bolt sets up in the adjustment tank, it is two sets of arm lock one end all is provided with the fixed block, and is two sets of all be provided with the circular arc board on the fixed block.

As the utility model discloses a preferred technical scheme, be provided with in the adjustment tank and accept the seat, it is located two sets ofly to accept the seat between the arm lock, it has seted up logical groove on the seat to accept, it is provided with stop device to lead to the inslot, stop device includes the release shaft, the cover is equipped with reset spring on the release shaft, release shaft one end is provided with the fixture block, accept and seted up the rectangular channel on the seat, be provided with the bearing piece in the rectangular channel, be provided with the rack on the bearing piece, the fixture block card is established in the rack, be provided with the backup pad on the bearing piece.

As the utility model discloses an optimized technical scheme, brace table bottom is provided with multiunit bumper shock absorber, multiunit the other end setting of bumper shock absorber is on the bottom plate.

As an optimal technical scheme of the utility model, it is two sets of the circular arc board with all be provided with the rubber pad in the backup pad.

As the utility model discloses an optimized technical scheme, the through-hole has all been seted up to bottom plate four corners department.

Compared with the prior art, the beneficial effects of the utility model are that:

1. under the setting of two sets of b supports and two sets of a supports, the height that rotatory screw rod adjusted the mount table comes to dock the steam turbine, adjust the mount table indirect regulation the arm lock on the mount table, make the axis of the circular arc board on two sets of arm locks coincide with the steam turbine axis, after the mount table was adjusted to suitable position, two sets of arm lock moving direction of rotatory two-way double-screw bolt control, make two sets of arm locks press from both sides tight or loosen the water seal section of thick bamboo of equidimension diameter not, adjust the regulation and hold the piece according to the high level of water seal section of thick bamboo, make the backup pad of holding on the piece closely laminate the water seal section of thick bamboo wall, stability when effectively guaranteeing to connect.

2. Under the setting of multiunit bumper shock absorber, can reduce the vibrations range that the steam turbine transmitted to the water seal section of thick bamboo when the work operation effectively by a wide margin, prevent to lead to the air admission water seal section of thick bamboo because of vibrations cause the water seal section of thick bamboo to be connected not hard up with the steam turbine in the course of the work. Under the setting of rubber pad, effectively avoid causing because of the shake wearing and tearing that the water seal section of thick bamboo surface causes in shock attenuation process.

Drawings

Fig. 1 is a schematic perspective view of a low-level water tank water seal cylinder assembly of a steam turbine of a thermal power plant;

fig. 2 is an explosion structure diagram of the steam turbine low-level water tank water seal cylinder assembly of the thermal power plant of the present invention;

fig. 3 is a schematic structural view of a clamping device in the water seal cylinder assembly of the low-level water tank of the steam turbine of the thermal power plant;

fig. 4 is a schematic structural view of a limiting device in a water seal cylinder assembly of a low-level water tank of a steam turbine of a thermal power plant;

the corresponding relation between the names of the attachments and the numbers of the attached figures in the figure:

101. clamping arms; 102. a regulating block; 103. an installation table; 104. a support table; 105. a through hole; 106. a base plate; 107. a supporting block; 108. a, a bracket; 109. b, a bracket; 110. a movable block; 111. a screw; 112. a stepped hole; 113. a shock absorber; 114. a bearing seat; 115. a rubber pad; 116. a circular arc plate; 117. a fixed block; 118. a bidirectional stud; 119. a step hole; 120. a return spring; 121. a through groove; 122. a reset shaft; 123. a clamping block; 124. a rectangular groove; 125. a rack; 126. a support plate; 127. a bearing block; 128. an adjustment groove; 129. and rotating the shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention.

Example (b):

referring to fig. 2 and 3: the utility model provides a steam turbine low-level water tank water seal section of thick bamboo subassembly of thermal power factory, including supporting bench 104 and mount table 103, the activity is provided with two sets of a supports 108 on the supporting bench 104, two sets of a supports 108 other ends slide to set up on mount table 103, the activity is provided with two sets of b supports 109 on the mount table 103, two sets of a supports 108 pass through axis of rotation 129 with two sets of b supports 109 and are connected, two sets of b support 109 other ends are provided with movable block 110, movable block 110 slides and sets up on supporting bench 104, movable block 110 threaded connection has screw rod 111, shoulder hole 112 has been seted up on the supporting bench 104, be provided with supporting shoe 107 in the supporting bench 104, the activity of screw rod 111 one end sets up in shoulder hole 112, the activity of the screw rod 111 other end sets up in supporting shoe 107, be provided with clamping device on the mount table 103, clamping device includes regulating block 102 and two sets of arm 101.

Because the water seal cylinder is directly connected with the steam turbine, the water seal cylinder needs to be adjusted according to the position and height of the steam turbine when being installed, under the arrangement of two groups of brackets (109 and 108), the screw rod (111) is rotated to adjust the height of the installation table (103) to butt the steam turbine, the installation table (103) is adjusted to indirectly adjust the clamping arms (101) on the installation table (103), so that the central axes of the arc plates (116) on the two groups of clamping arms (101) coincide with the central axis of the steam turbine, and the stability during connection is ensured, the specific operation of adjusting the height is to rotate the screw rod (111) to enable the movable block (110) to slide in the support table (104), one ends of the two groups of brackets (109) are arranged on the movable block (110), the included angle between the two groups of brackets (109) and the two groups of brackets (108) is changed to control the height of the installation table (103), one end of the screw rod (111) is arranged in the lower stepped hole (112), the adjustment can be carried out by a special tool, the screw rod (111) is ensured not to be screwed along with the human edge, and the subsequent safety is effectively ensured.

Referring to fig. 3, an adjusting groove 128 is formed in the adjusting block 102, two sets of clamping arms 101 are disposed in the adjusting groove 128, the two sets of clamping arms 101 are connected with a bidirectional stud 118 through threads, the bidirectional stud 118 is disposed in the adjusting groove 128, one end of each of the two sets of clamping arms 101 is provided with a fixing block 117, and each of the two sets of fixing blocks 117 is provided with an arc plate 116.

After the mounting table 103 is adjusted to a proper position, the water seal cylinder needs to be clamped and fixed, under the arrangement of the bidirectional stud 118, the bidirectional stud 118 is rotated to control the moving directions of the two groups of clamping arms 101 in the adjusting groove 128, so that the two groups of clamping arms 101 clamp or loosen the water seal cylinders with different diameters, one end of the control rotating direction of the bidirectional stud 118 is arranged in the step hole 119, and the bidirectional stud 118 is prevented from being unscrewed in the clamping process, so that the water seal cylinder is held loosely; arc plates 116 are arranged on the two groups of clamping arms 101, and the arc plates 116 can be attached to the surface of the water sealing cylinder, so that the clamping stability is improved.

Referring to fig. 4, a receiving seat 114 is disposed in the adjusting groove 128, the receiving seat 114 is located between the two sets of clamping arms 101, a through groove 121 is formed in the receiving seat 114, a limiting device is disposed in the through groove 121, the limiting device includes a reset shaft 122, a reset spring 120 is sleeved on the reset shaft 122, a clamping block 123 is disposed at one end of the reset shaft 122, a rectangular groove 124 is formed in the receiving seat 114, a receiving block 127 is disposed in the rectangular groove 124, a rack 125 is disposed on the receiving block 127, the clamping block 123 is clamped in the rack 125, and a supporting plate 126 is disposed on the receiving block 127.

Under the arrangement of the bearing seat 114, the clamping stability of the water seal cylinder is further deepened, the bearing seat 114 is provided with a bearing block 127, the bearing block 127 can move up and down in a rectangular groove 124, the diameters of the water seal cylinders are different, the horizontal heights are different, the bearing block 127 is adjusted according to the horizontal height of the water seal cylinder, a supporting plate 126 on the bearing block 127 is tightly attached to the wall of the water seal cylinder, after the bearing block 127 is adjusted to a proper position, the bearing block 127 needs to be fixed, under the arrangement of a limiting device, a clamping block 123 in the limiting device is clamped in a rack 125 of the bearing block 127 to be fixed, when the height needs to be adjusted, a reset shaft 122 is pulled out, the reset shaft 122 takes out the clamping block 123, the bearing block 127 is removed from the limitation, the adjustment is carried out, and after the height is adjusted to the proper position, the clamping block 123 can be pushed into the clamping block 123 to be fixed under the action of a reset spring 120.

Referring to fig. 2, a plurality of sets of dampers 113 are disposed at the bottom of the supporting platform 104, and the other ends of the plurality of sets of dampers 113 are disposed on the bottom plate 106. Because the steam engine can constantly produce vibrations at the during operation, and current water seal section of thick bamboo is mostly direct mount on the steam engine, does not have any shock attenuation bradyseism measure, and the operating time causes the water seal section of thick bamboo to connect not hard up after long, under the setting of multiunit bumper shock absorber 113, can reduce the vibration range that the steam engine transmitted the water seal section of thick bamboo when the operation by a wide margin effectively, prevents to cause the water seal section of thick bamboo to be connected not hard up with the steam engine because of vibrations and leads to the air to get into the water seal section of thick bamboo in the course of the work.

In some embodiments, referring to fig. 2, rubber pads 115 are disposed on both the two sets of circular arc plates 116 and the supporting plate 126. When the water seal cylinder is clamped and fixed, the surface of the water seal cylinder is prevented from being abraded due to direct contact between the two groups of circular arc plates 116 and the supporting plate 126 and the water seal cylinder wall, and under the arrangement of the rubber pad 115, the surface of the water seal cylinder is effectively prevented from being abraded due to shaking in the damping process.

In some embodiments, referring to fig. 2, the bottom plate 106 has through holes 105 at four corners. Under the arrangement of the through holes 105, the bottom plate 106 can be stably and reliably fixed on the ground through the bottom foot nails, and the shaking displacement in the working process is prevented.

The utility model discloses an operating procedure does:

firstly, according to the position and height of the steam turbine, the screw 111 is rotated to enable the movable block 110 to slide in the support table 104, one ends of the two groups of b supports 109 are arranged on the movable block 110, the movable block 110 is adjusted to change the included angle between the two groups of b supports 109 and the two groups of a supports 108 to control the height of the installation table 103, the central axis of the arc plate 116 on the two groups of clamping arms 101 is coincided with the central axis of the steam turbine, then the water sealing cylinder is placed between the two groups of clamping arms 101, and the two groups of clamping arms 101 are controlled to be tightened by rotating the bidirectional stud 118.

After the bearing block 127 is adjusted according to the horizontal height of the water seal cylinder, the support plate 126 on the bearing block 127 is tightly attached to the water seal cylinder wall, and is adjusted to a proper position, the fixture block 123 is pushed into the fixture block 123 under the action of the return spring 120 to be fixed. And finishing the installation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steam turbine low level water tank water seal section of thick bamboo subassembly of thermal power factory which characterized in that: the clamping device comprises a supporting table (104) and an installation table (103), wherein two groups of a supports (108) are movably arranged on the supporting table (104), the other ends of the a supports (108) are arranged on the installation table (103) in a sliding mode, two groups of b supports (109) are movably arranged on the installation table (103), the two groups of a supports (108) are connected with the two groups of b supports (109) through rotating shafts (129), the other ends of the two groups of b supports (109) are provided with movable blocks (110), the movable blocks (110) are arranged on the supporting table (104) in a sliding mode, the movable blocks (110) are in threaded connection with screw rods (111), stepped holes (112) are formed in the supporting table (104), supporting blocks (107) are arranged in the supporting table (104), one ends of the screw rods (111) are movably arranged in the stepped holes (112), the other ends of the screw rods (111) are movably arranged in the supporting blocks (107), clamping devices are arranged on the installation table (103), and each clamping device comprises a regulating block (102) and two groups of clamping arms (101).

2. The steam turbine low water tank water seal cartridge assembly of a thermal power plant of claim 1, wherein: adjusting grooves (128) are formed in the adjusting block (102), the two groups of clamping arms (101) are arranged in the adjusting grooves (128), the two groups of clamping arms (101) are connected with two-way studs (118) through threads, the two-way studs (118) are arranged in the adjusting grooves (128), one ends of the two groups of clamping arms (101) are provided with fixing blocks (117), and the two groups of fixing blocks (117) are provided with arc plates (116).

3. The steam turbine low water tank water seal cartridge assembly of the thermal power plant of claim 2, wherein: the clamping device is characterized in that a bearing seat (114) is arranged in the adjusting groove (128), the bearing seat (114) is located between two groups of clamping arms (101), a through groove (121) is formed in the bearing seat (114), a limiting device is arranged in the through groove (121), the limiting device comprises a reset shaft (122), a reset spring (120) is sleeved on the reset shaft (122), a clamping block (123) is arranged at one end of the reset shaft (122), a rectangular groove (124) is formed in the bearing seat (114), a bearing block (127) is arranged in the rectangular groove (124), a rack (125) is arranged on the bearing block (127), the clamping block (123) is clamped in the rack (125), and a supporting plate (126) is arranged on the bearing block (127).

4. The steam turbine low water tank water seal cartridge assembly of a thermal power plant of claim 1, wherein: the bottom of the support platform (104) is provided with a plurality of groups of shock absorbers (113), and the other ends of the plurality of groups of shock absorbers (113) are arranged on the bottom plate (106).

5. The steam turbine low water tank water seal cartridge assembly of a thermal power plant of claim 3, wherein: rubber pads (115) are arranged on the two groups of arc plates (116) and the supporting plate (126).

6. The steam turbine low water tank water seal cartridge assembly of the thermal power plant of claim 4, wherein: through holes (105) are formed in the four corners of the bottom plate (106).