CN217317828U

CN217317828U - Special tool for disassembling and assembling high-pressure manhole

Info

Publication number: CN217317828U
Application number: CN202123316596.0U
Authority: CN
Inventors: 赵英兵; 刘锡森; 刘华成; 贺奎; 王海涛; 刘涛涛; 班庆普; 陈柏元; 张超; 郭立志; 高炜
Original assignee: Pingdingshan Power Generation Branch Of National Power Investment Group Henan Electric Power Co ltd
Current assignee: Pingdingshan Power Generation Branch Of National Power Investment Group Henan Electric Power Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-30
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of manhole dismounting equipment, in particular to a special tool for dismounting a high-pressure manhole, which comprises a high-pressure manhole and a tool body, a first side plate and a second side plate are arranged at two ends of the appliance body, sliding structures are connected inside the first side plate and the second side plate, the bottom of the first side plate is fixed with a bolt, the top end of the appliance body is connected with a telescopic cylinder, the bottom end of the telescopic cylinder is connected with a telescopic rod, the bottom end of the telescopic rod is connected with a connecting piece, two sides of the bottom of the telescopic rod are connected with moving rods, the two sides of the moving rod are connected with rotating shafts, the joint of the telescopic rod and the moving rod is sleeved with a fixed sleeve, the high pressure manhole is disassembled and assembled through the arranged appliance body and the sliding structure, therefore, the maintainer can overhaul the inside of the high-pressure heater, and the equipment is more efficient in use.

Description

Special tool for disassembling and assembling high-pressure manhole

Technical Field

The utility model relates to a manhole dismouting equipment technical field specifically is a height adds special worker's utensil of manhole dismouting.

Background

The high-pressure heater is a device for heating the feed water by using partial extraction of the steam turbine. As a heat conversion device, mainly be applied to large-scale thermal power generating unit backheat system, its heat transfer performance is good and bad and directly influences the economic nature and the security of unit, consequently improve high pressure heater's heat transfer efficiency, reduce the irreversible loss in the heat transfer process, become one of the important measures who solves the high-efficient utilization of energy, be provided with the manhole that is used for the maintenance on high pressure heater, manhole structure commonly used at present has built-in self sealss manhole, four closes ring self sealss manhole, oval self sealss manhole, flange force seal manhole etc. for four close ring self sealss manhole, its seal structure comprises the containment ring, install four close rings at the downthehole ring channel of manhole, sealed pressure pad and sealed lid.

The manhole dismouting to high pressure feed water heater on the market now usually needs the manual work to dismantle, and it is longer to consume time, wastes time and energy to the clearance blowout between manhole and the sealed lid is followed easily to the inner liquid of high pressure feed water heater when sealed lid closes the manhole separation, and then causes the injury to the staff who is dismantling, therefore the danger of the mode ten minutes of the manual work of current dismantlement manhole.

Therefore, it is necessary to design a special tool for disassembling and assembling a high-rise manhole to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a height adds special worker's utensil of manhole dismouting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a special tool for disassembling and assembling a high-pressure manhole comprises the high-pressure manhole and a tool body, wherein a drawing plate is arranged at the top end of the high-pressure manhole, the top end of the drawing plate is connected with a fixed stud, one end of the bottom of the fixed stud is provided with a hanging ring, the bottom end of the hanging ring is provided with a lower hanging ring hole, the bottom end of the fixed stud is provided with a manhole sealing cover, the bottom of the fixed stud is connected with a lower stud hole, the top end of the manhole sealing cover is provided with a four-ring, two ends of the tool body are provided with a first side plate and a second side plate, the first side plate and the second side plate are internally connected with a sliding structure, the bottom of the first side plate is fixedly provided with a bolt, one side of the second side plate close to the first side plate is connected with a vacuum chuck, the top end of the tool body is connected with a telescopic cylinder, the bottom end of the telescopic cylinder is connected with a connecting piece, and two sides of the bottom of the telescopic rod are connected with moving rods, the both sides of carriage release lever are connected with the pivot, the fixed cover is established and is connected with to the junction cover of telescopic link and carriage release lever.

As the utility model discloses preferred scheme, the one side that rings were kept away from to four rings is equipped with the screw hole, the size of bolt and the size matching of screw hole.

As the utility model discloses preferred scheme, utensil body both ends are located first curb plate and second curb plate one end and are equipped with the reinforcing bolt.

As the utility model discloses preferred scheme, manhole sealed lid both ends are equipped with the sealing ring.

As the utility model discloses preferred scheme, sliding construction includes gear, rack and sliding tray, wherein gear and pivot pass through the key-type connection, gear and rack toothing are connected.

As the utility model discloses preferred scheme, the connecting piece top is connected with the connecting hole, stud hole and last rings hole have been seted up respectively to the connecting piece bottom.

As the utility model discloses preferred scheme, telescopic link one end and telescopic cylinder fixed connection, the connecting hole fixed connection at the other end and connecting piece top.

As the preferred scheme of the utility model, the inside two sets of bracing pieces that are equipped with of utensil body, the bracing piece bottom is equipped with the rubber pad.

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

1. the utility model discloses in, through utensil body and the sliding construction that sets up, can produce the pulling force to manhole sealing lid, finally pull out manhole sealing lid, reach and carry out the dismouting to high-pressure heater with the manhole to the maintainer can be to high pressure heater inside maintenance work, make more high-efficient during equipment uses.

2. The utility model discloses in, through the connecting piece that sets up to can prevent to take place the obscission at the in-process of pulling out, to the pulling out of the sealed lid of manhole through telescopic cylinder, avoid the use of manual work and loop wheel machine, can improve the practicality of utensil, and saved dismantlement cost and manpower, make more convenience during equipment uses.

Drawings

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

FIG. 2 is a schematic view of the manhole structure of the present invention;

FIG. 3 is a schematic view of the disassembly structure of the present invention;

FIG. 4 is a schematic view of the gear connection structure of the present invention;

FIG. 5 is a schematic view of the structure of the connector of the present invention;

in the figure: 1. a high pressure manhole; 101. drawing the plate; 1011. fixing the stud; 1012. a lower stud hole; 102. a hoisting ring; 103. a lower suspension ring hole; 104. a manhole sealing cover; 1041. a seal ring; 105. four-ring closing; 1051. a threaded hole; 2. an appliance body; 201. a first side plate; 202. a second side plate; 203. a sliding structure; 2031. a gear; 2032. a rack; 2033. a sliding groove; 204. a bolt; 205. a vacuum chuck; 206. a support bar; 207. a rubber pad; 3. a telescopic cylinder; 301. a telescopic rod; 302. a connecting member; 3021. connecting holes; 3022. an upper stud hole; 3023. an upper lifting ring hole; 303. a travel bar; 304. a rotating shaft; 4. and (4) fixing sleeves.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-5, the present invention provides a technical solution:

a special tool for disassembling and assembling a high pressure manhole comprises a high pressure manhole 1 and a tool body 2, wherein a drawing plate 101 is arranged at the top end of the high pressure manhole 1, a fixing stud 1011 is connected to the top end of the drawing plate 101, a lifting ring 102 is arranged at one end of the bottom of the fixing stud 1011, a lower lifting ring hole 103 is arranged at the bottom end of the lifting ring 102, a manhole sealing cover 104 is arranged at the bottom end of the fixing stud 1011, a lower stud hole 1012 is connected to the bottom end of the fixing stud 1011, a four-ring 105 is arranged at the top end of the manhole sealing cover 104, a first side plate 201 and a second side plate 202 are arranged at two ends of the tool body 2, a sliding structure 203 is connected inside the first side plate 201 and the second side plate 202, a bolt 204 is fixed at the bottom of the first side plate 201, a vacuum suction cup 205 is connected to one side of the second side plate 202 close to the first side plate 201, a telescopic cylinder 3 is connected to the top end of the tool body 2, a telescopic cylinder 3 is connected to a 301, and a connecting piece 302 is connected to the bottom end of the telescopic rod 301, the bottom both sides of telescopic link 301 are connected with the carriage release lever 303, the both sides of carriage release lever 303 are connected with pivot 304, the junction cover of telescopic link 301 and carriage release lever 303 is established and is connected with fixed cover 4, utensil body 2 and sliding structure 203 through setting up, can produce the pulling force to manhole sealing lid 104, finally pull out manhole sealing lid 104, reach and add manhole 1 and carry out the dismouting to the height, thereby maintainer can overhaul work to high pressure feed water heater inside, connecting piece 302 through setting up, thereby can prevent the in-process emergence obscission that takes place pulling out, pull out to manhole sealing lid 104 through telescopic cylinder 3, the use of manual work and loop wheel machine has been avoided, can improve the practicality of utensil, and dismantlement cost and manpower have been saved, make more high efficiency during the equipment uses.

In the embodiment, referring to fig. 1, 2, 3 and 4, a threaded hole 1051 is disposed on one side of the four-ring 105 away from the hanging ring 102, the size of the bolt 204 is matched with the size of the threaded hole 1051, reinforcing bolts are disposed at two ends of the appliance body 2, which are located at one ends of the first side plate 201 and the second side plate 202, sealing rings 1041 are disposed at two ends of the manhole sealing cover 104, the sliding structure 203 includes a gear 2031, a rack 2032 and a sliding groove 2033, wherein the gear 2031 and the rotating shaft 304 are connected by a key, the gear 2031 and the rack 2032 are connected in a meshing manner, the telescopic cylinder 3 is controlled by an external controller to start by the appliance body 2 and the sliding structure 203, the telescopic cylinder 3 drives the telescopic rod 301 to move, and at the same time, the gear 2031 slides on the rack 2032 at the inner end of the sliding groove 2033 under the driving of the telescopic rod 301, thereby generating a pulling force on the manhole sealing cover 104, and finally pulling the manhole 104 out, reach and carry out the dismouting to high pressure heater manhole 1 to the maintainer can overhaul work to high pressure heater inside, has ensured personnel's safety, makes more high-efficient when the equipment use.

In the embodiment, please refer to fig. 5, the top end of the connecting member 302 is connected with a connecting hole 3021, the bottom end of the connecting member 302 is respectively provided with an upper stud hole 3022 and an upper lifting ring hole 3023, one end of the telescopic rod 301 is fixedly connected with the telescopic cylinder 3, the other end of the telescopic rod is fixedly connected with the connecting hole 3021 at the top of the connecting member 302, and the connecting member 302 is arranged, so that the falling-off phenomenon can be prevented in the pulling-out process, the telescopic cylinder 3 pulls out the manhole sealing cover 104, the use of manpower and a crane is avoided, the practicability of the appliance can be improved, the disassembling cost and manpower are saved, and the use of the device is more convenient.

In an embodiment, referring to fig. 2, two sets of support rods 206 are disposed inside the appliance body 2, and rubber pads 207 are disposed at the bottoms of the support rods 206, so that the stability of the appliance body during detachment is ensured, and the telescopic rod 301 is prevented from swinging left and right during movement, thereby ensuring greater safety during use of the appliance.

The working principle is as follows: when the interior of the high-pressure heater needs to be overhauled, firstly, the fixing stud 1011, the restraining plate 101, the four-ring 105, the sealing ring 1041 and the hanging ring 102 on the manhole sealing cover 104 are disassembled in sequence, then the bolt 204 at one end of the first side plate 201 is inserted into the threaded hole 1051, the vacuum chuck 205 at one end of the second side plate 202 is started through the external controller, the second side plate 202 is adsorbed and fixed to the side part of the high pressure manhole 1 through the vacuum chuck 205, the appliance body 2 and the high pressure manhole 1 are connected and fixed, the telescopic cylinder 3 is controlled to be started through the external controller, the telescopic cylinder 3 drives the telescopic rod 301 to move so as to generate pulling force on the manhole sealing cover 104, and finally the manhole sealing cover 104 is pulled out, so that an overhaul worker can overhaul the interior of the high-pressure heater, in the process of detaching the manhole sealing cover 104, the gear 2031 can slide on the rack 2 2032032 at the inner end of the sliding groove 2033 under the driving of the telescopic rod 301, and utensil body 2 is inside to be equipped with two sets of bracing pieces 206, bracing piece 206 bottom is equipped with rubber pad 207, thereby the stability of utensil body 2 when dismantling has been ensured, also can prevent that telescopic link 301 from taking place the horizontal hunting in the in-process of removal, because telescopic link 301 is fixed with manhole sealing cover 104's lower stud hole 1012 and lower rings hole 103 simultaneously, thereby can prevent to take place the obscission at the in-process of pulling out, through telescopic cylinder 3 to the pulling out of manhole sealing cover 104, the use of manual work and loop wheel machine has been avoided, can improve the practicality of utensil, and the dismantlement cost and manpower have been saved, certain spreading value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 height adds manhole dismouting special-purpose worker utensil, includes height and adds manhole (1) and utensil body (2), its characterized in that: the high pressure manhole (1) is characterized in that a traction plate (101) is arranged at the top end of the high pressure manhole (1), a fixing stud (1011) is connected to the top end of the traction plate (101), a lifting ring (102) is arranged at one end of the bottom of the fixing stud (1011), a lower lifting ring hole (103) is formed in the bottom end of the lifting ring (102), a manhole sealing cover (104) is arranged at the bottom end of the fixing stud (1011), a lower stud hole (1012) is connected to the bottom of the fixing stud (1011), a four-way ring (105) is arranged at the top end of the manhole sealing cover (104), a first side plate (201) and a second side plate (202) are arranged at two ends of the appliance body (2), sliding structures (203) are connected to the first side plate (201) and the second side plate (202), a bolt (204) is fixed to the bottom of the first side plate (201), and a vacuum chuck (205) is connected to one side, close to the first side plate (201), of the second side plate (202), utensil body (2) top is connected with telescopic cylinder (3), telescopic cylinder (3) bottom is connected with telescopic link (301), telescopic link (301) bottom is connected with connecting piece (302), the bottom both sides of telescopic link (301) are connected with carriage release lever (303), the both sides of carriage release lever (303) are connected with pivot (304), the junction cover of telescopic link (301) and carriage release lever (303) is established and is connected with fixed cover (4).

2. The special tool for disassembling and assembling a high pressure manhole according to claim 1, wherein: a threaded hole (1051) is formed in one side, away from the lifting ring (102), of the four-ring (105), and the size of the bolt (204) is matched with that of the threaded hole (1051).

3. The special tool for disassembling and assembling a high pressure manhole according to claim 1, wherein: reinforcing bolts are arranged at one ends, located on the first side plate (201) and the second side plate (202), of the two ends of the appliance body (2).

4. The special tool for disassembling and assembling a high pressure manhole according to claim 1, wherein: and sealing rings (1041) are arranged at two ends of the manhole sealing cover (104).

5. The special tool for disassembly and assembly of the high-pressure manhole according to claim 1, wherein: the sliding structure (203) comprises a gear (2031), a rack (2032) and a sliding groove (2033), wherein the gear (2031) is in key connection with the rotating shaft (304), and the gear (2031) is in meshing connection with the rack (2032).

6. The special tool for disassembling and assembling a high pressure manhole according to claim 1, wherein: the top end of the connecting piece (302) is connected with a connecting hole (3021), and the bottom end of the connecting piece (302) is respectively provided with an upper stud hole (3022) and an upper hanging ring hole (3023).

7. The special tool for disassembling and assembling a high pressure manhole according to claim 1, wherein: one end of the telescopic rod (301) is fixedly connected with the telescopic cylinder (3), and the other end of the telescopic rod is fixedly connected with a connecting hole (3021) at the top of the connecting piece (302).

8. The special tool for disassembly and assembly of the high-pressure manhole according to claim 1, wherein: two groups of supporting rods (206) are arranged in the appliance body (2), and rubber pads (207) are arranged at the bottoms of the supporting rods (206).