CN214583777U - Fastening torque device with bedplate supported as threaded round base plate - Google Patents
Fastening torque device with bedplate supported as threaded round base plate Download PDFInfo
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- CN214583777U CN214583777U CN202120667195.0U CN202120667195U CN214583777U CN 214583777 U CN214583777 U CN 214583777U CN 202120667195 U CN202120667195 U CN 202120667195U CN 214583777 U CN214583777 U CN 214583777U
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Abstract
The utility model relates to a fastening torque device with a bedplate supported as a threaded round cushion plate, which comprises a gear component sleeved on the periphery of the round cushion plate and a driving component connected with the gear component; the gear assembly comprises a first half gear and a second half gear which are detachably combined together, the driving assembly comprises a base fixed on the bedplate and a driving shaft penetrating through the base, and a transmission gear meshed with the first half gear or the second half gear is arranged at the bottom end of the driving shaft. The fastening torque device is beneficial to improving the efficiency of center adjustment of the steam turbine shafting, reduces the manpower input, shortens the center adjustment time and improves the operation stability of the unit. It replaces artifical operation in narrow space, realizes mechanical automation, and simultaneously, the device is small, and the dismouting is convenient, and easy operation can be accurate, apply moment to the round cushion board uniformly, reduces the artifical atress deviation that brings its adjustment.
Description
Technical Field
The utility model relates to a nuclear power technical field especially relates to a platen supports fastening torque device for screw thread round base plate.
Background
The supporting mode of the low-pressure cylinder bedplate of the Alstom half-speed machine is a unique supporting mode in various steam turbine models at home and abroad, and is mainly supported by a circular bedplate 300, the circular bedplate 300 is installed between the bedplate 100 and a base plate 200 through supporting threads 400, the circular bedplate 300 is in threaded connection with the supporting threads 400, when the height of the bedplate 100 needs to be adjusted, manual work is realized by rotating the circular bedplate 300 by means of a pull rod, due to the limited field operation environment and the structural problem of equipment, when the circular bedplate 300 is rotated, the supporting stress of the circular bedplate 300 is uneven, the problems of damage of the supporting threads 400, deformation of the bedplate 100, vibration of the machine set caused by unsmooth expansion and contraction of the bedplate in the starting and stopping processes are easy to occur in the supporting of the low-pressure cylinder bedplate 100, and the safety and stability of the operation of the machine set are reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a platen supports fastening torque device for screw thread round base plate.
The utility model provides a technical scheme that its technical problem adopted is: a fastening torque device with a bedplate supported as a threaded round cushion plate is constructed, and comprises a gear assembly sleeved on the periphery of the round cushion plate and a driving assembly connected with the gear assembly;
the gear assembly comprises a first half gear and a second half gear which are detachably combined together, the driving assembly comprises a base fixed on the bedplate and a driving shaft penetrating through the base, and a transmission gear meshed with the first half gear or the second half gear is arranged at the bottom end of the driving shaft.
Preferably, the first half gear and the second half gear are combined together by a fastener.
Preferably, the first half gear comprises a first half gear body and first gear teeth arranged on the periphery of the first half gear body;
the second half gear comprises a second half gear body and second gear teeth arranged on the periphery of the second half gear body;
the tip of first half gear main part is equipped with the mounting panel, the tip side of second half gear main part is equipped with the screw hole, the fastener is worn to locate the mounting panel with the screw hole is in order to incite somebody to action first half gear with second half gear is in the same place.
Preferably, the inner side wall of the first half gear body is further provided with a first clamping groove, and the fastening torque device further comprises a first limiting piece, one end of the first limiting piece is mounted in the first clamping groove, and the other end of the first limiting piece penetrates through a first insertion hole in the circumferential direction of the round base plate;
the inside wall of second half gear main part still is equipped with the second draw-in groove, and this fastening torque device still includes that one end install in second draw-in groove, the other end wear to locate the second locating part of backing plate circumference second jack.
Preferably, a first mounting space is arranged at a first end of the base, a first bearing is arranged in the first mounting space, and the first bearing is sleeved on the periphery of the driving shaft;
the second end of base is equipped with second installation space, be equipped with the second bearing in the first installation space, the second bearing cover is located the drive shaft periphery.
Preferably, the base is provided with a through hole penetrating through the upper surface and the lower surface of the base for the driving shaft to penetrate through;
the fastening torque device comprises a base, a first fixing piece, a first mounting groove, an upper end cover and a second mounting groove, wherein the first mounting groove is formed in the first end of the base and communicated with the through hole;
the second end of base is equipped with the second mounting groove, the second mounting groove with the through-hole intercommunication, this fastening torque device still include the lower extreme cover, the lower extreme cover is installed through the second mounting the second end of base, the lower extreme cover with the second mounting groove cooperatees and forms second installation space.
Preferably, the fastening torque device further comprises a cushion block and a third fixing piece;
the driving shaft comprises a shaft body, the upper end of the shaft body is provided with a connecting part connected with the torque gun, the bottom end of the shaft body is provided with a fixing part, and the diameter of the fixing part is smaller than that of the shaft body so as to form a limiting step at the connecting part connected with the shaft body;
the transmission gear is provided with a mounting hole penetrating through the upper surface and the lower surface of the transmission gear, the fixing part is arranged in the mounting hole in a penetrating manner, and the axial upper side surface of the transmission gear is abutted to the limiting step; the cushion is arranged on the axial lower side surface of the transmission gear, and the third fixing piece penetrates through the cushion and is arranged in the fixing part to install the transmission gear on the driving shaft.
Preferably, a shaft sleeve is sleeved on the periphery of the shaft body, which is located between the second end of the base and the axial upper side face of the transmission gear.
Preferably, a first groove is formed in the circumferential side face of the fixing portion, and a second groove is formed in the inner side wall of the mounting hole;
the fastening torque device further comprises a flat key, one end of the flat key is installed in the first groove, and the other end of the flat key is installed in the second groove.
Preferably, the outer wall of the base is provided with a positioning part, and the positioning part is mounted on the side wall of the bedplate through a fourth fixing piece.
Implement the utility model discloses following beneficial effect has: the fastening torque device with the bedplate support as the threaded round base plate is beneficial to improving the efficiency of center adjustment of a steam turbine shafting, reducing the manpower input, shortening the center adjustment time and improving the operation stability of a unit. It replaces artifical operation in narrow space, realizes mechanical automation, and simultaneously, the device is small, and the dismouting is convenient, and easy operation can be accurate, apply moment to the round cushion board uniformly, reduces the artifical atress deviation that brings its adjustment.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic structural view of a low pressure cylinder platen support;
fig. 2 is an application schematic diagram of the fastening torque device of the present invention whose platen is supported as a threaded round cushion plate;
FIG. 3 is a schematic view of the fastening torque device supported as a threaded round base plate by the bedplate of the present invention cooperating with the round base plate;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is an exploded view of FIG. 3;
fig. 6 is a schematic structural view of the first half gear of the present invention;
fig. 7 is a schematic structural view of the second half gear of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 2-5, the platen of the present invention is supported as a fastening torque device of a threaded round plate, which comprises a gear assembly 1 disposed at the periphery of the round plate 300 and a driving assembly 2 connected to the gear assembly 1.
The gear assembly 1 comprises a first half gear 11 and a second half gear 12 which are detachably combined together, the driving assembly 2 comprises a base 21 fixed on the bedplate 100, a driving shaft 22 arranged through the base 21, and a transmission gear 23 meshed with the first half gear 11 or the second half gear 12 is arranged at the bottom end of the driving shaft 22. In the present embodiment, there are two circular paddies 300, and thus the tightening torque means is also provided in two.
As shown in fig. 6 and 7, in the present embodiment, the first half gear 11 and the second half gear 12 are combined together by a fastener.
Further, the first half gear 11 includes a first half gear body 111 and first gear teeth 112 disposed on the outer periphery of the first half gear body 111, and the second half gear 12 includes a second half gear body 121 and second gear teeth 122 disposed on the outer periphery of the second half gear body 121.
The end of the first half-gear body 111 is provided with a mounting plate 1111, the side of the end of the second half-gear body 121 is provided with a threaded hole 1211, and a fastener is arranged through the mounting plate 1111 and the threaded hole 1211 to combine the first half-gear 11 and the second half-gear 12 together. Preferably, both end outer sides of the first half gear body 111 are contracted toward the axial center position thereof, and a mounting plate 1111 is provided at the end position to form a space for mounting the fastening member, the mounting plate 1111 being provided with a coupling hole provided corresponding to the screw hole 1211. The fastener may be a bolt, screw or cylindrical pin.
Further, the inner side wall of the first half gear body 111 is further provided with a first clamping groove 1112, and the fastening torque device further includes a first limiting member 13 having one end mounted on the first clamping groove 1112 and the other end penetrating through the first insertion hole 301 in the circumferential direction of the backing plate 300.
Correspondingly, the inner side wall of the second half gear body 121 is further provided with a second clamping groove 1212, and the fastening torque device further includes a second limiting member 14 having one end mounted on the second clamping groove 1212 and the other end penetrating through the second insertion hole 302 in the circumferential direction of the backing plate 300. The first and second insertion holes 301 and 302 may be axisymmetrically disposed. The first limiting member 13 and the second limiting member 14 can be screws, round rods, bolts, or cylindrical pins, which can be selectively disposed according to requirements.
Referring to fig. 4 and 5, a first mounting space is disposed at a first end of the base 21, a first bearing 24 is disposed in the first mounting space, the first bearing 24 is disposed at the periphery of the driving shaft 22, a second mounting space is disposed at a second end of the base 21, a second bearing 25 is disposed in the first mounting space, and the second bearing 25 is disposed at the periphery of the driving shaft 22. The first end is the upper end of the figure and the second end is the lower end of the figure. The seismograph bearing 24 and the second bearing 25 may be deep groove ball bearings.
Further, the base 21 is provided with a through hole penetrating through upper and lower surfaces thereof for the driving shaft 22 to pass therethrough, an inner diameter of the through hole is slightly larger than a diameter of the driving shaft 22, a first mounting groove is provided at a first end of the base 21, the first mounting groove is communicated with the through hole, the tightening torque device further includes an upper end cap 26, the upper end cap 26 is mounted to the first end of the base 21 by a first fixing member 27, and the upper end cap 26 is fitted with the first mounting groove to form a first mounting space. The upper end cap 26 has a through hole penetrating through the upper and lower surfaces thereof for the driving shaft 22 to pass through, and a threaded hole and the like is formed on the periphery thereof for the first fixing member 27 to pass through and be mounted on the base 21, and the first fixing member 27 may be a screw, a bolt, a cylindrical pin or the like, and may be disposed according to choice.
The second end of base 21 is equipped with the second mounting groove, and the second mounting groove communicates with the through-hole, and this fastening moment device still includes lower end cover 28, and lower end cover 28 is installed the second end of base 21 through second mounting 29, and lower end cover 28 cooperatees with the second mounting groove and forms the second installation space. The lower end cap 28 has a through hole penetrating through the upper and lower surfaces thereof for the driving shaft 22 to pass through, and a screw hole and the like are formed at the periphery thereof for the second fixing member 29 to pass through and be mounted on the base 21, and the second fixing member 29 may be a screw, a bolt, a cylindrical pin or the like, and may be disposed according to choice.
As shown in fig. 4 and 5, the tightening torque device further includes a pad 210 and a third fixing member 211.
The driving shaft 22 includes a shaft body 221, the upper end of the shaft body 221 is provided with a connecting portion 222 connected with the torque gun, the bottom end is provided with a fixing portion 223, and the diameter of the fixing portion 223 is smaller than that of the shaft body 221 so as to form a limit step at the connecting portion with the shaft body 221.
The transmission gear 23 is provided with a mounting hole 231 penetrating through the upper and lower surfaces thereof, the fixing portion 223 penetrates through the mounting hole 231, the axial upper side surface of the transmission gear 23 abuts against the limit step, the cushion block 210 is arranged on the axial lower side surface of the transmission gear 23, and the third fixing member 211 penetrates through the cushion block 210 and is installed in the fixing portion 223 to install the transmission gear 23 on the driving shaft 22.
Further, the bushing 221 may be provided with a plurality of supporting steps for bearing installation.
Further, a bushing (not shown) is sleeved on the outer periphery of the shaft body 221 between the second end of the base 21 and the axially upper side surface of the transmission gear 23, but may not be provided in some embodiments.
Further, the circumferential side of the fixing portion 223 is provided with a first groove, the inner side wall of the mounting hole 231 is provided with a second groove 232, and the fastening torque device further includes a flat key 212 having one end mounted in the first groove and the other end mounted in the second groove.
Preferably, the outer wall of the base 21 is provided with a positioning portion, and the positioning portion is mounted on the side wall of the platen 100 by a fourth fixing member. The positioning portion may be a plate-shaped structure, and a plurality of positioning holes are formed in the positioning portion, so that the fourth fixing member is inserted through the positioning hole to mount the base 21 on the sidewall of the bedplate 100.
In practical application, when the height of the bedplate 100 needs to be raised or lowered, the driving shaft is connected with a torque gun and the like to drive the rotating gear 23 to rotate so as to drive the gear assembly 1 to rotate, and further drive the round cushion plate 300 to move so as to raise or lower the height of the bedplate 100, and the general height displacement is only a few tenths of millimeters.
It can be understood that, when the height of the low-pressure cylinder platen 100 needs to be adjusted, the fastening torque device is adopted, the round cushion plate 300 does not need to be rotated by a pull rod, the problem that the round cushion plate 300 is supported and stressed unevenly when the round cushion plate 300 is rotated manually is eliminated, the fastening torque precision is improved, the problems of machine set vibration and the like caused by deformation of the low-pressure cylinder platen 100, damage of supporting threads and unsmooth expansion and contraction of the platen in the starting and stopping process are reduced, and the safety and stable operation stability of the machine set is improved.
The fastening torque device is beneficial to improving the efficiency of center adjustment of the steam turbine shafting, reducing the manpower input, shortening the center adjustment time and improving the operation stability of the unit. It replaces artifical operation in narrow space, realizes mechanical automation, and simultaneously, the device is small, and the dismouting is convenient, and easy operation can be accurate, exert moment to the circular base plate 300 uniformly, reduces the artifical atress deviation that brings its adjustment.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A fastening torque device with a bedplate supported as a threaded round base plate is characterized by comprising a gear assembly (1) sleeved on the periphery of the round base plate (300) and a driving assembly (2) connected with the gear assembly (1);
the gear assembly (1) comprises a first half gear (11) and a second half gear (12) which are detachably combined together, the driving assembly (2) comprises a base (21) fixed on the bedplate (100) and a driving shaft (22) penetrating through the base (21), and a transmission gear (23) meshed with the first half gear (11) or the second half gear (12) is arranged at the bottom end of the driving shaft (22).
2. Tightening torque device for pallet supports as threaded round pads according to claim 1, characterized in that the first half-gear (11) and the second half-gear (12) are combined together by means of a fastener.
3. A tightening torque device with platen support as threaded round plate according to claim 2, characterized in that the first half gear (11) comprises a first half gear body (111), and first gear teeth (112) provided on the outer periphery of the first half gear body (111);
the second half gear (12) comprises a second half gear body (121) and second gear teeth (122) arranged on the periphery of the second half gear body (121);
the end of the first half gear body (111) is provided with a mounting plate (1111), the side face of the end of the second half gear body (121) is provided with a threaded hole (1211), and the fastener is arranged on the mounting plate (1111) and the threaded hole (1211) in a penetrating way to combine the first half gear (11) and the second half gear (12) together.
4. The platen support fastening torque device of claim 2, wherein the inner side wall of the first half gear body (111) is further provided with a first clamping groove (1112), the fastening torque device further comprises a first limiting member (13) with one end mounted on the first clamping groove (1112) and the other end penetrating through a first insertion hole (301) in the circumferential direction of the circular backing plate (300);
the inner side wall of the second half gear body (121) is further provided with a second clamping groove (1212), and the fastening torque device further comprises a second limiting piece (14) of which one end is mounted on the second clamping groove (1212) and the other end penetrates through the circumferential second insertion hole (302) of the round base plate (300).
5. The platen support is a fastening torque device of a threaded round base plate according to claim 1, characterized in that a first mounting space is provided at a first end of the base (21), a first bearing (24) is provided in the first mounting space, and the first bearing (24) is sleeved on the periphery of the driving shaft (22);
the second end of base (21) is equipped with second installation space, be equipped with second bearing (25) in the first installation space, second bearing (25) cover is located drive shaft (22) periphery.
6. The torque-tightening device for platen support as claimed in claim 5, characterized in that said base (21) is provided with a through hole passing through its upper and lower surfaces for the passage of said drive shaft (22) therethrough;
the fastening torque device comprises a base (21), an upper end cover (26), a first mounting groove and a first fixing piece (27), wherein the first mounting groove is formed in the first end of the base (21) and is communicated with the through hole, the upper end cover (26) is mounted at the first end of the base (21) through the first fixing piece (27), and the upper end cover (26) is matched with the first mounting groove to form a first mounting space;
the second end of base (21) is equipped with the second mounting groove, the second mounting groove with the through-hole intercommunication, this fastening moment device still include lower end cover (28), lower end cover (28) are installed through second mounting (29) the second end of base (21), lower end cover (28) with the second mounting groove cooperatees and forms second installation space.
7. The tightening torque device of platen support as threaded round plate according to claim 1, characterized in that it further comprises a spacer block (210) and a third fixing member (211);
the driving shaft (22) comprises a shaft body (221), the upper end of the shaft body (221) is provided with a connecting part (222) connected with a torque gun, the bottom end of the shaft body is provided with a fixing part (223), and the diameter of the fixing part (223) is smaller than that of the shaft body (221) so as to form a limiting step at the connecting part of the shaft body (221);
the transmission gear (23) is provided with an installation hole (231) penetrating through the upper surface and the lower surface of the transmission gear, the fixing part (223) penetrates through the installation hole (231), and the axial upper side surface of the transmission gear (23) is abutted to the limiting step; the cushion block (210) is arranged on the axial lower side surface of the transmission gear (23), and the third fixing piece (211) penetrates through the cushion block (210) and is arranged in the fixing portion (223) to install the transmission gear (23) on the driving shaft (22).
8. Tightening torque device for platen support as threaded round plate according to claim 7, characterized in that the shaft body (221) is peripherally sleeved with a bushing between the second end of the base (21) and the axially upper side of the transmission gear (23).
9. The tightening torque device of a bedplate support as claimed in claim 7, wherein the circumferential side of the fixing part (223) is provided with a first groove, and the inner side wall of the mounting hole (231) is provided with a second groove;
the tightening torque device further comprises a flat key (212) with one end mounted in the first groove and the other end mounted in the second groove.
10. Tightening torque device for pallet support as threaded round plate according to claim 1, characterized in that the outer wall of the base (21) is provided with a positioning part, which is mounted on the side wall of the pallet (100) by means of a fourth fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120667195.0U CN214583777U (en) | 2021-03-31 | 2021-03-31 | Fastening torque device with bedplate supported as threaded round base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120667195.0U CN214583777U (en) | 2021-03-31 | 2021-03-31 | Fastening torque device with bedplate supported as threaded round base plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214583777U true CN214583777U (en) | 2021-11-02 |
Family
ID=78322713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120667195.0U Active CN214583777U (en) | 2021-03-31 | 2021-03-31 | Fastening torque device with bedplate supported as threaded round base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214583777U (en) |
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2021
- 2021-03-31 CN CN202120667195.0U patent/CN214583777U/en active Active
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