CN214980726U - Flange part expander - Google Patents
Flange part expander Download PDFInfo
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- CN214980726U CN214980726U CN202121242820.3U CN202121242820U CN214980726U CN 214980726 U CN214980726 U CN 214980726U CN 202121242820 U CN202121242820 U CN 202121242820U CN 214980726 U CN214980726 U CN 214980726U
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Abstract
The utility model relates to a flange part expander, which comprises an expanding lead screw, and is also provided with a fixed point flange part fixing clip, a movable flange part fixing clip, a sliding bar and a supporting pull block, wherein the fixed point flange part fixing clip and the supporting pull block are respectively fixed at the two ends of the sliding bar through a fixed point flange part fixing clip locking bolt and a pull block fastening bolt; the floating flange part fixing clamp is arranged outside the sliding bar behind the fixed flange part fixing clamp and is connected with the supporting pull block through an expanding lead screw; the fixed point flange part fixing clamp is provided with a fixed point flange part clamping groove, and the moving flange part fixing clamp is provided with a moving flange part clamping groove; a moving flange part locking nut is arranged in the expanding lead screw behind the moving flange part fixing clamp; an expansion nut of a flange part is arranged on an expansion lead screw behind the support pulling block; the movable flange part fixing clamp can move along the sliding bar, so that the quality and the efficiency of maintenance, maintenance and replacement of the connecting flange and the flange connecting equipment are improved.
Description
Technical Field
The utility model relates to a connecting flange in gathering and transportation pipeline or equipment and flange joint equipment's extracting tool, especially a flange part expander.
Background
With the large-scale laying of various gathering and transportation pipelines such as water supply pipelines, gas supply pipelines and the like in petroleum and chemical industry, flange connection modes are widely used, and various wafer-type flange connection devices in various gathering and transportation pipelines are increased, such as wafer-type pneumatic valves, wafer-type one-way valves, wafer-type turbine butterfly valves, wafer-type ball valves, wafer-type turbine flowmeters and the like. In various gathering and transportation pipelines, no matter the pipeline section or various devices needing to be connected, the flange connection mode has the advantages of convenience in disassembly, high connection strength, good tightness and the like, and the workload of disassembly and maintenance of the connecting flanges in various pipelines and the clamping devices in the connecting flanges is increased.
Parts such as flange connection formula equipment product and flange gasket that use in the production all have certain deformation contingency in daily maintenance change, and the pipeline uses for a long time and the deformation that ages and cause all can increase the degree of difficulty of flange adapting unit in the dismantlement in-process to cause work efficiency decline and installation quality to be difficult to the scheduling problem. At present, the most common dismounting tool is a crow bar, and the crow bar is used for prying a gap between the connecting flange and the wafer type flange connecting equipment, so that the working efficiency is low, and the connecting flange and the wafer type flange connecting equipment are easily damaged.
In order to solve the above problems, the following patent technologies are available through search:
CN201920215674.1 the utility model discloses a flange expander includes: the handle, the tensioning screw, the tensioning plate, the positioning bolt, the supporting plate, the jackscrew, the expansion block, the jacking bead and the cover plate, wherein the upper end of the jackscrew is welded on the handle, the jackscrew is a screw, the supporting plate is arranged at the upper part close to the jackscrew, the supporting plate is parallel to the handle, the two ends of the supporting plate are provided with straight holes, the lower part close to the jackscrew is provided with a cover plate, the lower end of the jackscrew is welded with a jacking bead, the cover plate is fixed at the upper end of the expansion block, a blind hole is arranged in the expansion block, a top bead welded at the lower end of the jackscrew and part of the jackscrew are arranged in the blind hole and move up and down along the blind hole, the cross section at the lower end of the expansion block is an acute triangle, the acute angle is inserted into a gap between the two flanges, the upper end of the tensioning plate is welded with the tensioning screw, the lower end close to the tensioning plate is provided with a positioning hole, the two tensioning screws are respectively fixed in the linear holes at the two ends of the supporting plate through nuts, and the two positioning bolts respectively penetrate through the positioning holes at the lower ends of the two tensioning plates and the bolt holes on the two flanges.
The above flange expander has the following problems: 1) the gasket has single use, can only be used for dismounting the mounting flange gasket, and has large expansion range limitation; 2) during expansion, the flange is extruded into the flange from the single side of the flange by adopting a wedge block, and mechanical damage is caused to the flange.
The utility model discloses a CN201821079839.9 utility model discloses a hydraulic pressure flange expander, the off-load hand wheel of installing on it, depression bar and inside piston rod including the pneumatic cylinder, the front end of pneumatic cylinder is fixed with the connecting block, the front end both sides edge of connecting block respectively is provided with a splint rather than integrated into one piece, two it is articulated fixed with bracing force lever mechanism through the round pin axle between the splint, and this bracing force lever mechanism includes the rhombus grabbing head of central authorities and two upper and lower rhombus jack catchs, the piston rod of pneumatic cylinder passes the central authorities of connecting block and is connected fixedly with the bar kicking block, the bar kicking block sets up the central authorities inboard at two splint, the utility model discloses a hydraulic drive piston rod props up the bracing force lever mechanism to pry the flange through lever principle, change such as flange, gasket, rubber ring.
The above flange expander has the following problems: 1) the gasket has single use, can only be used for dismounting the mounting flange gasket, and has large expansion range limitation; 2) the hydraulic equipment of the product has high manufacturing cost, large dead weight and inconvenient carrying, and is not easy to popularize.
CN201420740524.X the utility model provides a pipeline flange expander, include: positive and negative thread lead screw, levogyration kicking block, dextrorotation kicking block and application of force portion. The positive and negative screw rod that detains includes levogyration screw thread section and dextrorotation screw thread section, and levogyration kicking block spiro union is equipped with first flange cooperation portion on the levogyration kicking block on the levogyration screw thread section, and dextrorotation kicking block spiro union is equipped with second flange cooperation portion on the dextrorotation kicking block on the dextrorotation screw thread section, and force application portion sets up on positive left-hand thread lead screw.
The above flange expander technology has the following problems: 1) the valve has single use and can only be used for disassembling the valves between the pipelines connected by the flanges; 2) the product does not have the locking function of flange piece, can not prevent slipping off, and factor of safety does not guarantee.
Therefore, a special tool which can improve the working efficiency, ensure the personal safety of maintenance personnel and prevent the connecting flange and the wafer type flange connecting equipment body from being damaged is needed to be matched with the production and maintenance work.
Disclosure of Invention
The utility model aims at providing a flange part expander which has low manufacturing cost and reliable work; the connecting flange can be conveniently expanded and the wafer type flange part or equipment can be conveniently installed. The maintenance work efficiency and the installation accuracy are improved, and the labor intensity of workers is reduced.
The technical solution of the utility model is that:
the utility model provides a flange part expander is including the expanding lead screw, and flange expander still is equipped with fixed point flange part fixing clip, moves about flange part fixing clip, draw the piece with the support, wherein:
the fixed point flange part fixing clamp and the supporting pull block are fixed at the two ends of the sliding bar through a fixed point flange part fixing clamp locking bolt and a pull block fastening bolt respectively;
the floating flange part fixing clamp is arranged outside the sliding bar behind the fixed flange part fixing clamp and is connected with the supporting pull block through an expanding lead screw; the fixed point flange part fixing clamp is provided with a fixed point flange part clamping groove, and the moving flange part fixing clamp is provided with a moving flange part clamping groove;
a moving flange part locking nut is arranged in the expanding lead screw behind the moving flange part fixing clamp;
an expansion nut of a flange part is arranged on an expansion lead screw behind the support pulling block;
the floating flange member retainer clip is movable along the slide bar.
The fixed point flange part clamping groove is formed in the upper end of the fixed point flange part fixing clamp, and the width of the fixed point flange part clamping groove is larger than or equal to the thickness of a fixed point flange part flange plate; and an inclined plane which inclines forwards between 10 and 20 degrees is arranged between the upper part of the rear side of the groove wall of the fixed point flange part clamping groove and the upper end surface.
And fixed-point flange part adjusting bolts are arranged in the groove walls of the front parts of the fixed-point flange part clamping grooves.
The body lower part of fixed point flange part fixing clip is equipped with the screw hole and can pack fixed point flange part fixing clip locking bolt into, fixed point flange part fixing clip locking bolt can be connected with the anterior screw hole of slide bar.
The moving flange part clamping groove is formed in the upper portion of the moving flange part fixing clamp, a smooth hole is formed in the middle of the body of the moving flange part fixing clamp, and the inner diameter of the smooth hole is larger than the outer diameter of the sliding rod; a threaded hole is formed in the groove wall at the rear part of the moving flange part clamping groove and can be in threaded connection with an expansion lead screw; the depth of the threaded hole in the groove wall at the rear part of the moving flange part clamping groove is greater than that of the moving flange part clamping groove.
The width of the moving flange part clamping groove is larger than or equal to the thickness of a flange plate of the moving flange part clamped by the moving flange part; an inclined plane which inclines backwards between 10 degrees and 20 degrees is arranged between the upper part of the front side of the groove wall of the moving flange part clamping groove and the upper end face.
The sum of the thicknesses of the rear groove wall of the fixed point flange part clamping groove in the fixed point flange part fixing clamp and the front groove wall of the moving flange part clamping groove in the moving flange part fixing clamp is less than or equal to the width of a gap between two connected flange parts.
The lower part of the body of the support pull block is provided with a threaded hole and a pull block fastening bolt can be installed in the threaded hole, and the pull block fastening bolt can be connected with the threaded hole at the rear part of the sliding bar.
The supporting pull block, the fixed point flange part fixing clamp and the moving flange part fixing clamp are all isosceles trapezoid block bodies with narrow upper ends and wide lower ends, and the lower ends of the isosceles trapezoid block bodies are arc-shaped edges.
The distance between the end surface of the rear end of the movable flange part fixing clamp and the end surface of the front end of the supporting pull block is greater than the distance between the two flange parts; the overall manufactured size of the flange member expander can be varied accordingly depending on the size of the attachment flange and the wafer-type attachment flange device.
Compare with current flange expander, the utility model discloses a show the result of use as follows:
1. the utility model is suitable for a flange and wherein butt clamp formula flange joint equipment's dismantlement and installation work among the various gathering and transportation pipelines can conveniently expand two flange in the pipeline, extract and change the flange gasket of installation wherein, expand and adjust the clearance and the concentricity of the butt clamp formula flange joint equipment of connecting in two flange to improve flange and flange joint equipment and maintain, maintain and change the quality and the efficiency of work.
2. This instrument simple structure, low in manufacturing cost are honest and clean, and reliable operation need not to use other power equipment, just can reach the operation of replacing wafer formula flange part and flange equipment such as flange gasket and wafer formula valve: the fixed point flange part fixing clamp is fixed at the front end of the sliding bar through the fixed point flange part fixing clamp locking bolt, and the moving flange part fixing clamp is installed outside the sliding bar behind the fixed point flange part fixing clamp and can be connected with the support pull block through the expanding lead screw. Therefore, when the fixed point flange part fixing clamp is fixed on the flange plate edge of one flange part through the fixed point flange part clamping groove, and the moving flange part fixing clamp is fixed on the flange plate edge of the other flange part through the moving flange part clamping groove, the flange part expansion nut arranged at the rear part of the expansion lead screw can be rotated, so that the expansion lead screw drives the moving flange part fixing clamp to move backwards along the sliding rod, the gap between the two flange parts is expanded to the required width, and the flange part and the flange equipment such as a flange gasket, a butt-clamp valve and the like can be replaced. The operation is convenient, the nut is expanded only by rotating the flange part by the double offset ring spanner, and the construction of expanding the two flange parts can be realized without other disassembling tools.
3. Experiments prove that the tool greatly reduces the same maintenance operation time, saves the disassembly or assembly time of about half an hour compared with the prior art, and is simpler and more labor-saving to operate. The labor intensity of the post staff is greatly reduced; the previous three to four people workload can be easily completed by only one to two people.
4. During installation, the concentricity of the two connecting flanges or the connecting flange and the flange connecting device is more accurate than before, the gap opening degree is more uniform, and the concentricity of the gasket installed in the gap opening degree and the sealing surface of the clamping type flange connecting device can be higher.
5. After the tool is used, the phenomenon that the connecting flange, the gasket and the wafer type flange equipment in the connecting flange and the gasket are damaged or damaged due to improper prying of a prying bar does not need to be worried during operation, so that the sealing is not tight, the working efficiency is improved, the production equipment is protected, and the production cost is saved.
6. The tool has low manufacturing cost, does not need the assistance of hydraulic equipment and other equipment, is a purely mechanical disassembling tool, works safely and reliably, and is particularly suitable for fireproof and explosion-proof working sites. Greatly reducing the labor intensity of manually prying the connecting flange and improving the replacing quality and effect. Simultaneously, this instrument in use does not hinder flange body, gasket and other flange joint equipment that need the installation, can guarantee flange joint flange's stability after the expansion.
7. All parts in this instrument all can independently dismouting, and its purpose appears in the use that new parts of processing alone can in time be changed after single part damages, does not influence next use, makes the use maintenance degree of difficulty greatly reduced of this instrument.
To sum up, the utility model discloses have apparent result of use and can gain obvious economic benefits, have apparent using value and popularization prospect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the fixed clip of the fixed flange part in fig. 1.
Fig. 3 is a schematic view of the floating flange member retainer clip of fig. 1.
Fig. 4 is a schematic structural view of the support pulling block in fig. 1.
In the figure: the fixed point flange part locking device comprises a fixed point flange part adjusting bolt 1, a fixed point flange part fixing clamp 2, a moving flange part locking nut 3, an expanding lead screw 4, a supporting pull block 5, a flange part expanding nut 6, a pull block fastening bolt 7, a slide bar 8, a moving flange part fixing clamp 9 and a fixed point flange part fixing clamp locking bolt 10.
Detailed Description
The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 4, a flange component expander includes an expanding lead screw 4, and is further provided with a fixed point flange component fixing clip 2, a floating flange component fixing clip 9, a sliding bar 8 and a supporting pull block 5, wherein:
the fixed point flange part fixing clamp 2 and the supporting pull block 5 are fixed at the two ends of the sliding bar 8 through a fixed point flange part fixing clamp locking bolt 10 and a pull block fastening bolt 7 respectively;
the floating flange part fixing clamp 9 is arranged outside the sliding bar 8 behind the fixed flange part fixing clamp 2 and is connected with the supporting pull block 5 through the expansion lead screw 4; the fixed point flange part fixing clip 2 is provided with a fixed point flange part clamping groove, and the moving flange part fixing clip 9 is provided with a moving flange part clamping groove;
a moving flange part locking nut 3 is arranged in the expanding lead screw 4 behind the moving flange part fixing clamp 9;
an expansion screw 4 behind the support pulling block 5 is provided with a flange part expansion nut 6;
the floating flange part retainer clip 9 is movable along the slide bar 8.
Flange components refer to the connecting flanges and the devices or apparatuses mounted between the connecting flanges, including wafer-type pneumatic valves, wafer-type check valves, wafer-type turbo butterfly valves, wafer-type ball valves, wafer-type turbo flow meters, and the like. The utility model discloses not only can expand between the flange tiny clearance dismantle with the gasket of installation between two flanges, also can dismantle with installation flange and the wafer formula flange equipment of connecting therebetween, application range is wide, the function is many. The utility model discloses a fix fixed point flange part fixing clip 2 at the front end of smooth rod 8, also be the position of the leftmost end in figure 1, move about flange part fixing clip 9 and install in the smooth rod 8 outside at fixed point flange part fixing clip 2 rear and can draw piece 5 with the support and be connected through bloated lead screw 4. Thus, when being right the utility model discloses a fixed point flange part fixing clip 2 is fixed on one of them flange part's flange dish edge through fixed point flange part draw-in groove, move about flange part fixing clip 9 when fixing on another flange part's flange dish edge through the flange part draw-in groove that moves about, install flange part at bloated lead screw 4 rear portion nut 6 that expands with regard to the accessible rotation, make bloated lead screw 4 drive flange part fixing clip 9 that moves about move about and move back along draw-bar 8, expand the width that needs with the clearance between two flange parts, reach the operation of replacing butt clamp formula flange part such as flange gasket and butt clamp formula valve and flange equipment. The utility model discloses simple structure, convenient operation only needs a box spanner, need not other extracting tool, just can realize the construction of two flange parts of expanding, has apparent result of use.
On the basis of the first embodiment, the utility model discloses still have following embodiment:
the fixed point flange part clamping groove is formed in the upper end of the fixed point flange part fixing clamp 2, and the width of the fixed point flange part clamping groove is larger than or equal to the thickness of a fixed point flange part flange plate; an inclined plane which inclines forwards at an angle of 10-20 degrees is arranged between the upper part of the rear side of the groove wall of the fixed point flange part clamping groove and the upper end surface, so that the fixed point flange part clamping groove has the effect of being clamped into a gap. The fixed-point flange part retaining clip 2 has a fixed-point flange part slot which can be easily inserted into the flange of one of the two flange parts to be removed, which is located in front of the floating flange part retaining clip 9 and is referred to as a fixed-point flange part, i.e. the fixed-point flange part is not removed or moved but is used as a force-bearing point. And the flange part to be removed or moved, which is located behind the fixed flange part, is called the floating flange part. The moving flange part is clamped by a moving flange part clamping groove arranged on a moving flange part fixing clamp 9.
And fixed-point flange part adjusting bolts 1 are arranged in the groove wall of the front part of the fixed-point flange part clamping groove. After the fixed point flange part clamping groove in the fixed point flange part fixing clamp 2 is clamped into the outer surface of the flange plate of the fixed point flange part, the fixed point flange part and the fixed point flange part fixing clamp 2 can be further fastened and adjusted through the fixed point flange part adjusting bolt 1. Thus, the utility model has the advantages of wider application range and wider size range of applicable flange parts.
The body lower part of fixed point flange part fixing clip 2 is equipped with the screw hole and can packs into fixed point flange part fixing clip locking bolt 10, fixed point flange part fixing clip locking bolt 10 can be connected with the anterior screw hole of slide bar 8, firmly fix fixed point flange part fixing clip 2 in the anterior portion of slide bar 8.
The moving flange part clamping groove is formed in the upper portion of the moving flange part fixing clamp 9, a smooth hole is formed in the middle of the body of the moving flange part fixing clamp 9, and the inner diameter of the smooth hole is larger than the outer diameter of the sliding rod 8; a threaded hole is formed in the groove wall at the rear part of the moving flange part clamping groove and can be in threaded connection with the expansion lead screw 4; the depth of the threaded hole in the groove wall at the rear part of the moving flange part clamping groove is greater than that of the moving flange part clamping groove. Work as move about when the width of flange part draw-in groove is greater than the thickness of the ring flange of the flange part that moves about that the card was held, can also do further fixed, enlarge to the flange part that moves about and the flange part draw-in groove that moves about through the expand lead screw 4 the utility model discloses an application range, the thickness of ring flange in the flange part that moves about of adaptable multiple size and model.
The width of the moving flange part clamping groove is larger than or equal to the thickness of a flange plate of the moving flange part clamped by the moving flange part; an inclined plane inclined backwards between 10 degrees and 20 degrees is arranged between the upper part of the front side of the groove wall of the moving flange part clamping groove and the upper end face, and the inclined plane can be conveniently inserted into the flange plate of one flange part which is positioned behind the fixed point flange part fixing clamp 2 in the two flange parts to be disassembled.
The thickness sum of the rear groove wall of the fixed point flange part clamping groove in the fixed point flange part fixing clamp 2 and the front groove wall of the moving flange part clamping groove in the moving flange part fixing clamp 9 is smaller than or equal to the width of a gap between two connected flange parts, so that the rear groove wall of the fixed point flange part clamping groove in the fixed point flange part fixing clamp 2 and the front groove wall of the moving flange part clamping groove in the moving flange part fixing clamp 9 can be used as a crow bar and inserted into the gap between the two connected flange parts, one of the flange parts is moved, and a flange gasket is replaced for the flange part.
The lower part of the body of the support pull block 5 is provided with a threaded hole and a pull block fastening bolt 7 can be installed in the threaded hole, and the pull block fastening bolt 7 can be connected with the threaded hole at the rear part of the sliding bar 8 to firmly fix the support pull block 5 at the rear part of the sliding bar 8.
The supporting pull block 5, the fixed point flange part fixing clamp 2 and the moving flange part fixing clamp 9 are all isosceles trapezoid blocks with narrow upper ends and wide lower ends, and the lower ends of the isosceles trapezoid blocks are arc-shaped edges. On one hand, the upper ends of the supporting pull block 5, the fixed point flange part fixing clamp 2 and the floating flange part fixing clamp 9 are narrow, so that the flange plate outer edge of the flange part can be conveniently clamped, and on the other hand, the flange plate is small, exquisite, attractive and convenient to carry.
The distance between the rear end face of the floating flange part fixing clamp 9 and the front end face of the support pulling block 5 is greater than the distance between the two flange parts, and the floating flange part fixing clamp is mainly used for dismounting and moving wafer type flange equipment and a connecting flange, such as dismounting or moving a wafer type valve and the connecting flange connected with the wafer type flange equipment; the overall manufacturing size of the flange part expander can be changed correspondingly according to the sizes of the connecting flange and the wafer type connecting flange device, the tool series can be manufactured, and the application range of the tool is further expanded.
In the production and operation process, if the gasket in the flange connecting part is aged and the flange gasket needs to be replaced again or the wafer type valve and other flange connecting equipment need to be installed, the fixed point flange part fixing clamp 2 and the floating flange part fixing clamp 9 are inserted into the gap between two connecting flanges needing to be expanded or are respectively clamped outside the flange plates of the connecting flanges or the wafer type valve and other connected wafer type flange connecting equipment, the fixed point flange part adjusting bolt 1 and the expanding lead screw 4 are fastened, the flange part expanding nut 6 is rotated by a ring spanner, and the floating flange part fixing clamp 9 is slowly stretched out of the needed gap backwards. After the flange gasket or the wafer valve and other parts are arranged at a specified position, the flange part is slowly rotated forwards to expand the nut 6, and the connecting flange or wafer flange connecting equipment is arranged in place, so that the whole process of disassembling and assembling the connecting flange and the wafer flange part or equipment by using the tool can be realized.
The embodiments described above are merely exemplary embodiments, but the present invention is not limited to these embodiments, and those skilled in the art can make modifications without departing from the spirit and teaching of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents can be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like made within the spirit and the concept of the present invention should be included in the protection scope of the present invention. The scope of protection is therefore not limited to the description above.
Claims (10)
1. The utility model provides a flange part expander, is including the expand lead screw, characterized by, flange expander still is equipped with fixed point flange part fixing clip, the flange part fixing clip that moves about, slide bar and support and draws the piece, wherein:
the fixed point flange part fixing clamp and the supporting pull block are fixed at the two ends of the sliding bar through a fixed point flange part fixing clamp locking bolt and a pull block fastening bolt respectively;
the floating flange part fixing clamp is arranged outside the sliding bar behind the fixed flange part fixing clamp and is connected with the supporting pull block through an expanding lead screw; the fixed point flange part fixing clamp is provided with a fixed point flange part clamping groove, and the moving flange part fixing clamp is provided with a moving flange part clamping groove;
a moving flange part locking nut is arranged in the expanding lead screw behind the moving flange part fixing clamp;
an expansion nut of a flange part is arranged on an expansion lead screw behind the support pulling block;
the floating flange member retainer clip is movable along the slide bar.
2. A flange member expander as claimed in claim 1 wherein said site flange member pockets are formed in the upper ends of site flange member retention clips, the width of said site flange member pockets being greater than or equal to the thickness of the site flange members; and an inclined plane which inclines forwards between 10 and 20 degrees is arranged between the upper part of the rear side of the groove wall of the fixed point flange part clamping groove and the upper end surface.
3. A flange part expander as claimed in claim 1 or claim 2 and wherein the wall of the slot in the front of the fixed point flange part slot is provided with fixed point flange part adjustment bolts.
4. A flange member expander as claimed in claim 3 wherein said fixed point flange member retainer clip has a threaded bore in a lower portion of its body and is adapted to receive a fixed point flange member retainer clip locking bolt, said fixed point flange member retainer clip locking bolt being adapted to engage a threaded bore in a forward portion of the slide bar.
5. A flange part expander as claimed in claim 2, wherein said floating flange part locking groove is provided at an upper portion of the floating flange part fixing clip, and a smooth hole is provided at a middle portion of a body of the floating flange part fixing clip, and an inner diameter of said smooth hole is larger than an outer diameter of the slide bar; a threaded hole is formed in the groove wall at the rear part of the moving flange part clamping groove and can be in threaded connection with an expansion lead screw; the depth of the threaded hole in the groove wall at the rear part of the moving flange part clamping groove is greater than that of the moving flange part clamping groove.
6. A flange part expander as claimed in claim 2 or 5, wherein the width of said floating flange part slot is greater than or equal to the thickness of the flange of the floating flange part; an inclined plane which inclines backwards between 10 degrees and 20 degrees is arranged between the upper part of the front side of the groove wall of the moving flange part clamping groove and the upper end face.
7. A flange part expander as claimed in claim 6 wherein the sum of the thicknesses of the rear wall of the fixed point flange part slot in said fixed point flange part retainer clip and the front wall of the floating flange part slot in said floating flange part retainer clip is less than or equal to the width of the gap between the two joined flange parts.
8. A flange member expander as claimed in claim 1 wherein the lower portion of said body supporting said pull block is provided with threaded holes and adapted to receive pull block fastening bolts, said pull block fastening bolts being adapted to engage threaded holes in the rear portion of said slide bar.
9. A flange part expander as claimed in claim 1 wherein said supporting tie block, said fixed point flange part retainer clips and said floating flange part retainer clips are isosceles trapezoidal blocks having a narrow upper end and a wide lower end, said isosceles trapezoidal blocks having an arcuate edge at their lower ends.
10. A flange part expander as claimed in claim 5 wherein the distance between the rear end face of said floating flange part retainer clip and the front end face of the support tie block is greater than the distance between the two flange parts; the overall manufactured size of the flange member expander can be varied accordingly depending on the size of the attachment flange and the wafer-type attachment flange device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121242820.3U CN214980726U (en) | 2021-06-04 | 2021-06-04 | Flange part expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121242820.3U CN214980726U (en) | 2021-06-04 | 2021-06-04 | Flange part expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214980726U true CN214980726U (en) | 2021-12-03 |
Family
ID=79086369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121242820.3U Active CN214980726U (en) | 2021-06-04 | 2021-06-04 | Flange part expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214980726U (en) |
-
2021
- 2021-06-04 CN CN202121242820.3U patent/CN214980726U/en active Active
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