CN209466176U - Flange spreader - Google Patents

Abstract

The utility model flange spreader includes: handle, stretching screw, support brace, positioning bolt, support plate, jackscrew, expansion block, the decorative pearl on top of an official cap and cover board, the upper end of jackscrew is welded on handle, jackscrew is screw rod, support plate is housed close to the top of jackscrew, support plate is parallel with handle, "-" type hole is provided at the both ends of support plate, cover board is housed in the lower part close to jackscrew, the decorative pearl on top of an official cap is welded in the lower end of jackscrew, cover board is fixed on the upper end of expansion block, blind hole is provided in expansion block, the decorative pearl on top of an official cap and part jackscrew for being welded on lower end of top thread move up and down in blind hole and along blind hole, it is acute triangle in the cross section of expansion block lower end, the acute angle is inserted in the gap between two flanges, stretching screw is welded in the upper end of support brace, location hole is provided in the lower end close to support brace, two stretching screws pass through nut respectively and are fixed on support board ends In "-" type hole, two positioning bolts are each passed through the bolt hole on the location hole and two flanges of the lower end of two support braces.

Description

Flange spreader

Technical field

The utility model belongs to the tool of the expansions such as pipe flange, valve flanges, equipment mouth flange, apparatus closing end flange, More specifically, it is related to a kind of flange spreader.

Background technique

The process units such as chemical industry, chemical fertilizer, petroleum interior conduit, equipment, valve all be unable to do without flanged joint, but in pipeline, set When the operations such as standby maintenance, pressure testing, flushing, purging, oil circulation, different process systems will be isolated, in a secondary flange Centre will add blind plate, and since pipeline, equipment have been mounted to position, relative position has been fixed, if among a secondary flange Certain thickness blind plate is added with regard to relatively difficult, how blind plate quickly, to be smoothly added among a secondary flange is a skill Art problem, conventionally employed crowbar pries open flange during blind plate adds, chain block pulls the methods of flange, but uses crowbar Flange addition blind plate is pried open, is easy to damage flange sealing surface, causes bigger workload instead；Method is pullled using chain block Orchid addition blind plate, first is that more troublesome influence progress, second is that chain block is not easy to find suitable anchor point.Expanded using a kind of flange Prop addition blind plate can effectively make up the deficiency of the above method.

Summary of the invention

The goal of the invention of the utility model is to solve the problems, such as to be not easy to add blind plate between two flanges, and provide one kind Flange spreader.

In order to complete the goal of the invention of the utility model, the utility model uses following technical scheme:

A kind of flange spreader of the utility model, it includes: handle, stretching screw, support brace, positioning bolt, support Plate, jackscrew, expansion block, the decorative pearl on top of an official cap and cover board, flange spreader are used to pry open the gap being respectively welded between two flanges of pipeline, Wherein: the upper end of jackscrew is welded on handle, and jackscrew is screw rod, and support plate, support plate and handle are housed close to the top of jackscrew In parallel, it is provided with "-" type hole at the both ends of support plate, cover board is housed in the lower part close to jackscrew, is welded with top in the lower end of jackscrew Pearl, cover board are fixed on the upper end of expansion block, blind hole are provided in expansion block, and the decorative pearl on top of an official cap and part jackscrew for being welded on lower end of top thread are mounted in blind Moved up and down in hole and along blind hole, expansion block lower end cross section be acute triangle, the acute angle be inserted in two flanges it Between gap, be welded with stretching screw in the upper end of support brace, be provided with location hole, two stretching screws close to the lower end of support brace It is fixed on respectively by nut in the "-" type hole of support board ends, two positioning bolts are each passed through the lower end of two support braces Location hole and two flanges on bolt hole；

A kind of flange spreader of the utility model, in which: the handle is disk, also uniform on the circumference of disk Ground is welded with 2-6 extension bar；

A kind of flange spreader of the utility model, in which: the extension bar is 4；

A kind of flange spreader of the utility model, in which: the flange spreader further include: washer, the washer are mounted in Between nut and support plate；

A kind of flange spreader of the utility model, in which: the jackscrew between support plate and cover board to be threadedly coupled；

A kind of flange spreader of the utility model, in which: the cover board is fixed by screws in the upper end of expansion block；

A kind of flange spreader of the utility model, in which: the acute angle of the acute triangle is 40 ° -70 °.

Flange is pried open using a kind of flange spreader of the utility model and flange is pried open using crowbar, chain block is drawn The methods of flange is pulled to compare, it has the advantage that

1, easy to use, it can be adjusted according to the size of flange using width.

2, production is simple, and using conventional material, input cost is low, and economy consumption reduction can be used in turn repeatedly.

3 the operation is simple and flexible, saves artificial, reduces labor intensity.

4 is safe and reliable, will not damage flange sealing surface.

Detailed description of the invention

Fig. 1 is the flange spreader forward direction schematic diagram of the utility model, for the sake of clarity, by support brace, branch in figure Brace, cover board and expansion block have carried out section view；

Fig. 2 is the left-hand schematic diagram of Fig. 1；

Fig. 3 is the enlarged diagram of jackscrew, cover board and expansion block in Fig. 1.

In figs. 1 to 3, label 1 is handle；Label 2 is extension bar；Label 3 is stretching screw；Label 4 is support brace； Label 5 is positioning bolt；Label 6 is flange；Label 7 is pipeline；Label 8 is washer；Label 9 is support plate；Label 10 is top Silk；Label 11 is expansion block；Label 12 is "-" type hole；Label 13 is cover board；Label 14 is blind hole；Label 15 is the decorative pearl on top of an official cap；Label 16 be location hole；Label 17 is nut.

Specific embodiment

As shown in Figure 1, Figure 2 and Figure 3, the flange spreader of the utility model includes: handle 1, stretching screw 3, support brace 4, positioning bolt 5, support plate 9, jackscrew 10, expansion block 11, washer 8, the decorative pearl on top of an official cap 15 and cover board 13, flange spreader is for prying open difference It is welded with the gap between two flanges 6 of pipeline 7, handle 1 is disk, and 4 are further equally welded on the circumference of disk Extension bar 2, the upper end of jackscrew 10 are welded on handle 1, and jackscrew 10 is screw rod, and the top close to jackscrew 10 is connected through a screw thread dress There is support plate 9, support plate 9 is parallel with handle 1, "-" type hole 12 is provided at the both ends of support plate 9, in the lower part close to jackscrew 10 It is connected through a screw thread equipped with cover board 13, is welded with the decorative pearl on top of an official cap 15 in the lower end of jackscrew 10, cover board 13 is fixed by screws in expansion block 11 Upper end is provided with blind hole 14 in expansion block 11, and the decorative pearl on top of an official cap 15 and part jackscrew 10 for being welded on 10 lower end of jackscrew are mounted in blind hole 14 simultaneously It being moved up and down along blind hole 14, is acute triangle in the cross section of 11 lower end of expansion block, the acute angle of the acute triangle is 40 °- 70 °, such as: 60 °, which is inserted in the gap between two flanges 6, is welded with stretching screw 3 in the upper end of support brace 4, It is provided with location hole 16 close to the lower end of support brace 4, two stretching screws 3 are fixed on 9 both ends of support plate by nut 17 respectively In "-" type hole 12, washer 8 is mounted between nut 17 and support plate 9, and two positioning bolts 5 are each passed through two support braces 4 Bolt hole on the location hole 16 of lower end and two flanges 6.

The flange spreader being completed is mounted on 6 bolt hole of flange to be opened, rotational handle 1 makes jackscrew 10 It heads in the gap that expansion block 11 slowly enters between two flanges 6, slowly by two 6 distendings of flange, is reversely revolved after blind plate is added Handle 1 is changed hands, expansion block 11 is pulled out and completes blind plate placement work.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims (7)

1. a kind of flange spreader, it includes: handle (1), stretching screw (3), support brace (4), positioning bolt (5), support plate (9), jackscrew (10), expansion block (11), the decorative pearl on top of an official cap (15) and cover board (13), flange spreader are respectively welded pipeline (7) for prying open Two flanges (6) between gap, it is characterised in that: the upper end of jackscrew (10) is welded on handle (1), jackscrew (10) be spiral shell Bar, the top close to jackscrew (10) are equipped with support plate (9), and support plate (9) is parallel with handle (1), opens at the both ends of support plate (9) There are "-" type hole (12), cover board (13) be housed in the lower part close to jackscrew (10), are welded with the decorative pearl on top of an official cap (15) in the lower end of jackscrew (10), Cover board (13) is fixed on the upper end of expansion block (11), is provided with blind hole (14) in expansion block (11), is welded on the top of jackscrew (10) lower end Pearl (15) and part jackscrew (10) move up and down in blind hole (14) and along blind hole (14), in the transversal of expansion block (11) lower end Face is acute triangle, which is inserted in the gap between two flanges (6), is welded with tension spiral shell in the upper end of support brace (4) Bar (3) is provided with location hole (16) in the lower end close to support brace (4), and two stretching screws (3) are fixed by nut (17) respectively In the "-" type hole (12) at support plate (9) both ends, two positioning bolts (5) are each passed through the lower end of two support braces (4) Bolt hole on location hole (16) and two flanges (6).

2. flange spreader as described in claim 1, it is characterised in that: the handle (1) is disk, in the circumference of disk On be further equally welded with 2-6 extension bar (2).

3. flange spreader as claimed in claim 2, it is characterised in that: the extension bar (2) is 4.

4. flange spreader as claimed in claim 3, it is characterised in that: the flange spreader further include: washer (8), it should Washer (8) is mounted between nut (17) and support plate (9).

5. flange spreader as claimed in claim 4, it is characterised in that: the jackscrew (10) and support plate (9) and cover board It (13) is threaded connection between.

6. flange spreader as claimed in claim 5, it is characterised in that: the cover board (13) is fixed by screws in expansion block (11) upper end.

7. flange spreader as claimed in claim 6, it is characterised in that: the acute angle of the acute triangle is 40 ° -70 °.