CN217415960U

CN217415960U - Transport vehicle for steam turbine maintenance

Info

Publication number: CN217415960U
Application number: CN202221008065.7U
Authority: CN
Inventors: 张冰; 冯旗兵; 魏飞; 张钊
Original assignee: Huaneng Weihai Power Generation Co Ltd
Current assignee: Huaneng Weihai Power Generation Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-13
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a be used for steam turbine to overhaul and use transport vechicle, including the transport vechicle body, the internally mounted of transport vechicle body has the slide rail, is located the interior bottom of the inboard transport vechicle body of slide rail is fixed with the cover seat, and the inside threaded connection of cover seat has the support column, the inner wall slidable mounting of slide rail has the elevating platform, and installs the lift cylinder between the upper and lower adjacent of elevating platform, there is folding regulation pole in the outside through axle swing joint around the elevating platform, the slip table is installed at the top of elevating platform, and the surface sliding of slip table installs the halfpace, the last surface mounting of halfpace has the extension ladder. This be arranged in steam turbine overhauls and uses transport vechicle, through corresponding perforation and jack each other to will insert the vertical insertion of post, pass the inside of perforation and jack simultaneously, so with one side positioning lock of halfpace and slip table coincidence together, utilize the sliding structure between slip table and the halfpace, can carry out horizontal extension to the halfpace, increase the operational area of slip table.

Description

Transport vehicle for steam turbine maintenance

Technical Field

The utility model relates to a steam turbine overhauls relevant technical field, specifically is a be used for steam turbine to overhaul to use transport vechicle.

Background

The steam turbine is important electricity generation conversion equipment in present power plant, and the steam turbine can appear the problem between the equipment part in long-time use, in order to guarantee the life of steam turbine, can regularly maintain the steam turbine and overhaul, and the car is when overhauing and maintaining, need use the transport vechicle of overhauing the usefulness, utilizes the transport vechicle to increase the height, and the maintainer of being convenient for overhauls.

But the transport vechicle for steam turbine maintenance that uses at present, in the use, holistic height can not increase once more on the basis, leads to can not carry out the compensation operation to the height when overhauing, causes to overhaul convenient inadequately.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for steam turbine to overhaul and use transport vechicle to solve the present use that proposes in the above-mentioned background art and be used for steam turbine to overhaul and use the transport vechicle, in the use, holistic height can not increase on the basis once more, leads to can not be to highly compensating the operation when overhauing, causes to overhaul convenient problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for steam turbine to overhaul and use transport vechicle, includes the transport vechicle body, the internally mounted of transport vechicle body has the slide rail, is located the interior bottom of the inboard transport vechicle body of slide rail is fixed with the cover seat, and the inside threaded connection of cover seat has the support column, the inner wall slidable mounting of slide rail has the elevating platform, and installs the lift cylinder between the upper and lower adjacent of elevating platform, there is folding regulation pole in the outside through axle swing joint around the elevating platform, the slip table is installed at the top of elevating platform, and the surface sliding of slip table installs the halfpace, the last surface mounting of halfpace has extension ladder, be connected with the hydraulic cylinder push rod between the one end of slide rail and the left and right sides of the elevating platform back of the body, the jack has inwards been seted up to the both sides of slip table.

Preferably, the fixed surface of halfpace is provided with the blend stop, and both angles have all been seted up in halfpace and slip table cooperation gliding side surface front and back both corners and have been perforated, the post is inserted in fenestrate inside gomphosis installation, and the top of inserting the post is connected with the folding rod, the lower extreme of folding rod and the top of inserting the post between transversely alternate and be connected with the loose axle.

Preferably, the aperture size of the through hole is consistent with the aperture size of the surface insertion hole of the sliding table, and the length of the insertion column is consistent with the height of the through hole.

Preferably, install between the left end bottom of extension ladder and the halfpace and be connected the jack-post, and the right-hand member bottom of extension ladder is fixed with anti-skidding pad foot, folding axle is installed to the top middle section position of extension ladder, and the equal swing joint in both sides has the activity to hold up the pole around the top of extension ladder.

Preferably, the extension ladder is connected with the ladder through the rotation formed between the connecting shaft column and the ladder platform, and the width of the anti-skid pad foot at the right end of the extension ladder is matched with the distance between the adjacent barrier strips on the surface of the sliding table.

Preferably, the upper end and the lower end of the supporting column are connected with threaded columns in an integrated mode, and threaded sleeves are sleeved on the outer sides of the threaded columns located at the upper ends of the supporting columns.

Preferably, the support column is in threaded connection with the sleeve base through the threaded column, and the threaded column at the upper end of the support column is connected with the threaded column at the lower end of the adjacent support column through the threaded sleeve.

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

1. according to the transport cart for the steam turbine maintenance, the through holes correspond to the insertion holes, the insertion columns are vertically inserted into the through holes and the insertion holes, and the through holes and the insertion holes penetrate through the inner portions of the through holes, so that the overlapped sides of the step platform and the sliding platform are positioned and locked together, the sliding structure between the sliding platform and the step platform can be used for transversely extending the step platform, and the operation area of the sliding platform is increased;

2. according to the transport vehicle for steam turbine maintenance, the lengthened ladder is arranged on the ladder platform, so that the height can be extended again on the basis of the ladder platform and the sliding table, and the operation height can be compensated in the maintenance operation process;

3. this be used for steam turbine to overhaul and use transport vechicle, setting through the support column, can carry out the bottom sprag to the halfpace that extends, increase the bearing capacity and the stability of halfpace, the support column passes through the screw thread post and is connected with the cover seat, cover seat equidistance is provided with a plurality ofly, the extending length of halfpace can be being cooperated, adjust the position of supporting seat, thereby let the support column can be more nimble support the halfpace, adjacent support column splices through the swivel nut simultaneously, be convenient for like this increase the length of support column, the follow-up dismantlement of the support column of also being convenient for simultaneously.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the extension ladder of the present invention;

FIG. 3 is a schematic view of the split structure of the support pillar of the present invention;

FIG. 4 is a schematic structural view of the sliding table of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a transporter body; 2. a slide rail; 3. a sleeve seat; 4. a support pillar; 401. a threaded post; 402. a threaded sleeve; 5. a lifting platform; 6. a lifting cylinder; 7. folding the adjusting rod; 8. a sliding table; 9. a landing; 901. blocking strips; 902. perforating; 903. inserting a column; 904. a folding bar; 905. a movable shaft; 10. lengthening a ladder; 1001. anti-skid foot pads; 1002. connecting the shaft columns; 1003. a folding shaft; 1004. a movable holding rod; 11. a hydraulic cylinder push rod; 12. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a transport vehicle for steam turbine maintenance comprises a transport vehicle body 1, wherein a slide rail 2 is arranged inside the transport vehicle body 1, a sleeve seat 3 is fixed at the inner bottom of the transport vehicle body 1 positioned on the inner side of the slide rail 2, a support column 4 is in threaded connection with the inner part of the sleeve seat 3, threaded columns 401 are uniformly connected to the upper end and the lower end of the support column 4, a threaded sleeve 402 is sleeved on the outer side of the threaded column 401 positioned on the upper end of the support column 4, the support column 4 is in threaded connection with the sleeve seat 3 through the threaded column 401, the threaded column 401 on the upper end of the support column 4 is connected with the threaded column 401 on the lower end of the adjacent support column 4 through the threaded sleeve 402, through the arrangement of the support column 4, the bottom of an extended ladder platform 9 can be supported, the bearing force and the stability of the ladder platform 9 are improved, the support column 4 is connected with the sleeve seat 3 through the threaded column 401, a plurality of sleeve seats 3 are arranged at equal intervals, and can be matched with the extension length of the ladder platform 9, the position of the supporting seat is adjusted, so that the supporting columns 4 can more flexibly support the step 9, and meanwhile, the adjacent supporting columns 4 are spliced through the thread sleeves 402, so that the length of the supporting columns 4 is conveniently increased, and the subsequent disassembly of the supporting columns 4 is also convenient;

the inner wall of the sliding rail 2 is provided with a lifting platform 5 in a sliding manner, a lifting cylinder 6 is arranged between the upper part and the lower part of the lifting platform 5, the front outer side and the rear outer side of the lifting platform 5 are movably connected with a folding adjusting rod 7 through a shaft, the top part of the lifting platform 5 is provided with a sliding table 8, the surface of the sliding table 8 is provided with a step 9 in a sliding manner, the surface of the step 9 is fixedly provided with a barrier 901, the front corner and the rear corner of one side surface of the sliding table 9 and the sliding table 8 which are matched and slide are respectively provided with a perforation 902, an inserting column 903 is embedded and installed inside the perforation 902, the top end of the inserting column 903 is connected with a folding rod 904, a movable shaft 905 is transversely and alternately inserted between the lower end of the folding rod 904 and the top end of the inserting column 903, the aperture size of the perforation 902 is consistent with the aperture size of a surface inserting hole 12 of the sliding table 8, the length of the inserting column 903 is consistent with the height of the perforation 902, the perforation 902 and the inserting hole 12 are mutually corresponding, the inserting column 903 is vertically inserted, simultaneously penetrates through the through hole 902 and the inner part of the insertion hole 12, so that the overlapped side of the sliding platform 9 and the sliding table 8 is positioned and locked together, and the sliding structure between the sliding table 8 and the sliding table 9 can transversely extend the sliding table 9, so that the operating area of the sliding table 8 is increased;

the upper surface of the ladder platform 9 is provided with the lengthened ladder 10, a connecting shaft column 1002 is arranged between the bottom of the left end of the lengthened ladder 10 and the ladder platform 9, the bottom of the right end of the lengthened ladder 10 is fixedly provided with an anti-skid pad foot 1001, a folding shaft 1003 is arranged at the middle section position above the lengthened ladder 10, the front side and the rear side of the upper part of the lengthened ladder 10 are movably connected with movable holding rods 1004, the lengthened ladder 10 is rotatably connected with the ladder platform 9 through the connecting shaft column 1002, the width of the anti-skid pad foot 1001 at the right end of the lengthened ladder 10 is matched with the distance between adjacent barrier strips 901 on the surface of the sliding table 8, the lengthened ladder 10 is arranged on the ladder platform 9, the height of the ladder platform 9 and the height of the sliding table 8 can be increased again, and therefore, in the process of maintenance operation, the operation height can be compensated;

a hydraulic cylinder push rod 11 is connected between one end of the slide rail 2 and the left side and the right side of the back surface of the lifting platform 5, and jacks 12 are inwards arranged at two sides of the sliding platform 8.

The working principle is as follows: for this kind of transport cart for steam turbine maintenance, firstly, the tail of the transport cart body 1 is aligned with the position of the steam turbine, the lifting platform 5 is pushed to the tail position of the transport cart body 1 by the hydraulic cylinder push rod 11, the lifting platform 5 is close to the steam turbine, secondly, the lifting platform 5 is lifted by the lifting cylinder 6 until the sliding platform 8 at the uppermost layer is lifted to the highest position, according to the actual maintenance operation requirement, the sliding structure between the platform 9 and the sliding platform 8 is utilized to move and unfold the platform 9 to the right side, after the movement is finished, the through hole 902 and the jack 12 are mutually corresponding, and the rotating structure between the folding rod 904 and the movable shaft 905 is utilized to position the folding rod 904 and the insert column 903 on the same straight line, thus increasing the length of the insert column 903, vertically inserting the insert column 903, and simultaneously passing through the through hole and the jack 12, thus positioning and locking the overlapped side of the platform 9 and the sliding platform 8 together, secondly again, after halfpace 9 is extended away, according to halfpace 9's extended position, install support column 4 in the below that halfpace 9 corresponds, support column 4 is connected with cover seat 3 through threaded column 401, can cooperate halfpace 9's extended length, adjust the position of supporting seat, thereby let support column 4 support halfpace 9, and finally, use extension ladder 10, utilize extension ladder 10 to increase the height, can compensate the operation to the height, just so accomplish whole use process that is used for the vapour machine to overhaul and use the transport vechicle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for steam turbine to overhaul and use transport vechicle, includes transport vechicle body (1), its characterized in that: a slide rail (2) is arranged in the transport vehicle body (1), a sleeve seat (3) is fixed at the inner bottom of the transport vehicle body (1) positioned at the inner side of the slide rail (2), a supporting column (4) is connected with the inner thread of the sleeve seat (3), a lifting platform (5) is installed on the inner wall of the sliding rail (2) in a sliding way, and a lifting cylinder (6) is arranged between the upper part and the lower part of the lifting platform (5), the front and rear outer sides of the lifting platform (5) are movably connected with a folding adjusting rod (7) through a shaft, the top of the lifting platform (5) is provided with a sliding table (8), a step (9) is arranged on the surface of the sliding table (8) in a sliding way, a lengthened ladder (10) is arranged on the upper surface of the step (9), be connected with hydraulic cylinder push rod (11) between the one end of slide rail (2) and elevating platform (5) back left and right sides, jack (12) have inwards been seted up to the both sides of slip table (8).

2. A transport cart for turbine service as defined in claim 1, wherein: the fixed surface of halfpace (9) is provided with blend stop (901), and both angles have all seted up perforation (902) around halfpace (9) and slip table (8) cooperation gliding side surface, the inside gomphosis of perforation (902) is installed and is inserted post (903), and the top of inserting post (903) is connected with folding rod (904), transversely alternate between the lower extreme of folding rod (904) and the top of inserting post (903) and be connected with loose axle (905).

3. A transport cart for turbine service as defined in claim 2, wherein: the aperture size of the through hole (902) is consistent with that of a surface insertion hole (12) of the sliding table (8), and the length of the insertion column (903) is consistent with the height of the through hole (902).

4. A transport cart for turbine service as defined in claim 1, wherein: install between the left end bottom of extension ladder (10) and halfpace (9) and connect jack-post (1002), and the right-hand member bottom of extension ladder (10) is fixed with non-slip mat foot (1001), folding axle (1003) are installed to the top middle section position of extension ladder (10), and the equal swing joint in both sides has the activity to hold up pole (1004) around the top of extension ladder (10).

5. A transport vehicle for steam turbine service according to claim 4, wherein: the extension ladder (10) is rotatably connected with the ladder platform (9) through a connecting shaft column (1002), and the width of a right-end anti-skid pad foot (1001) of the extension ladder (10) is matched with the distance between adjacent barrier strips (901) on the surface of the sliding table (8).

6. A transport cart for turbine service as defined in claim 1, wherein: the upper end and the lower end of the supporting column (4) are connected with a threaded column (401) in an integrated mode, and a threaded sleeve (402) is sleeved on the outer side of the threaded column (401) located at the upper end of the supporting column (4).

7. A transport cart for turbine service according to claim 6, wherein: the support column (4) is in threaded connection with the sleeve seat (3) through the threaded column (401), and the threaded column (401) at the upper end of the support column (4) is connected with the threaded column (401) at the lower end of the adjacent support column (4) through the threaded sleeve (402).