CN214213591U

CN214213591U - Lead screw flange separator

Info

Publication number: CN214213591U
Application number: CN202120186259.5U
Authority: CN
Inventors: 张贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-17
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a lead screw flange separator, including two arc-shaped mounting brackets and connect the lead screw of two arc-shaped mounting brackets, the arc-shaped mounting bracket includes first mounting bracket and second mounting bracket, and the welding has first hydraulic press in the perforating hole on the first mounting bracket, and the first hydraulic stem that its output set up welds on second mounting bracket terminal surface; the welding has solid fixed ring on the first mounting bracket lateral wall to be provided with lock nut on the lead screw of solid fixed ring left and right sides, first mounting bracket with fixture has all been welded on the inboard lateral wall of second mounting bracket. The utility model discloses a first mounting bracket and second mounting bracket contact surface that will be fixed in respectively on two ring flanges struts, realizes technology sled flange face separation, avoids using the chain block to hurt the operation personnel and use the crowbar to hurt the flange face, has reduced the separator and has caused the damage to the flange face when the expansion, has improved the life of flange face, has improved the efficiency that the flange was dismantled and was installed simultaneously.

Description

Lead screw flange separator

Technical Field

The utility model belongs to the technical field of the appurtenance field is dismantled to the flange and specifically relates to a lead screw flange separator is related to.

Background

The flange is an important part of a connecting pipeline, and has the characteristics of convenient and quick connection and capability of bearing larger pressure. But at the dismantlement in-process, do not install the condition of thread compensator additional when equipment to the gas pressure regulating sled, the flange face junction of most technology sled all has the stress more than two directions under multiple stress combined action, and because reasons such as flange corrosion or the ageing glue of gasket, the degree of difficulty when causing the flange to dismantle is great to dismouting position space is narrow and small, and the field operation is very inconvenient. At present, flange separation is mainly realized by prying the flange by using a pry bar, or knocking the pry bar by using a hammer, or penetrating a steel rope into a bolt hole of the flange, and pulling the flange open by using a hoist; the methods are labor-consuming and time-consuming, the flange surface is easily damaged, and accidents such as crushing, smashing and the like exist during disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A lead screw flange separator comprises two arc-shaped mounting racks and a lead screw connected with the two arc-shaped mounting racks; the arc-shaped mounting frame comprises a first mounting frame and a second mounting frame, the first mounting frame is used for clamping and fixing a flange end of a pipeline, the second mounting frame is used for clamping and fixing a flange end of a process pry, a plurality of through holes are formed in the end face, close to one side of the second mounting frame, of the first mounting frame, a first hydraulic press is welded in the through holes, the output end of the first hydraulic press faces one side, where the first mounting frame and the second mounting frame are attached, of the first mounting frame, a first hydraulic rod is arranged at the output end of the first hydraulic press, and one end, far away from the first hydraulic press, of the first hydraulic rod is welded on the end face of the second mounting frame;

the outer side walls of the first mounting frames are welded with a plurality of fixing rings, the number of the fixing rings is the same as that of the screw rods, the screw rods penetrate through the fixing rings at the same positions on the two first mounting frames, locking nuts are arranged on the screw rods on the left side and the right side of the fixing rings, the arc-shaped mounting frames are movably connected onto the screw rods through the fixing rings, and the two arc-shaped mounting frames connected onto the screw rods are oppositely arranged at one side of the second mounting frame;

clamping mechanisms are welded on the inner side walls of the first mounting frame and the second mounting frame respectively, and each clamping mechanism comprises a second hydraulic device, a second hydraulic rod and an arc-shaped clamping frame; the output of second hydraulic pressure ware is provided with the second hydraulic stem, the one end welding that the hydraulic stem is close to arc mounting bracket center has the arc supporting bracket, the one end that the arc supporting bracket is close to arc mounting bracket center is equipped with the arc separation blade, the arc separation blade is located the one end of keeping away from each other on two adjacent arc supporting brackets, be provided with the perforation on the arc separation blade, be provided with the helicitic texture in the perforation, it is unanimous with the bolt hole size on the ring flange to perforate.

As a further aspect of the present invention: the first mounting frame and the second mounting frame are fixedly connected through the lock catch, and the mounting and dismounting device is convenient to mount and dismount and simple to use.

As a further aspect of the present invention: the lead screw both ends are fixed and are provided with the dog, the dog is used for preventing that arc mounting bracket breaks away from the lead screw.

As a further aspect of the present invention: the clamping mechanisms are arranged in two numbers, and the two clamping mechanisms are symmetrical to each other about the centers of the first mounting frame and the second mounting frame.

The utility model has the advantages that: the utility model discloses a first mounting bracket and second mounting bracket contact surface that will be fixed in respectively on two ring flanges struts, realizes technology sled flange face separation, avoids using the chain block to hurt the operation personnel and use the crowbar to hurt the flange face, has reduced the separator to the damage that the flange face caused when the expansion, has improved the life of flange face. The distance between the mounting brackets on the pipeline flange plates at two ends is fixed through the lead screw during disassembly, so that the pipeline flange plates are always in a spreading state, devices between the pipeline flange plates are convenient to disassemble and assemble, the whole disassembling and assembling process is safe and reliable, and the flange disassembling and assembling efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a lead screw flange separator according to an embodiment of the present invention;

fig. 2 is a front view of a first mounting bracket of a lead screw flange separator according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of the first mounting frame through hole and the second mounting frame of the screw flange separator according to the embodiment of the present invention.

In the figure: 1-a first mounting frame, 2-a second mounting frame, 3-a screw rod, 301-a locking nut, 302-a stop block, 4-a lock catch, 5-a fixing ring, 6-a through hole, 7-a clamping mechanism, 701-a second hydraulic device, 702-a second hydraulic rod, 703-an arc-shaped clamping frame, 7031-an arc-shaped baffle plate, 7032-a through hole, 8-a first hydraulic device and 9-a first hydraulic rod.

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.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

The specific embodiment is as follows:

as shown in fig. 1 to 3, the embodiment of the utility model provides a lead screw flange separator that provides, lead screw 3 including two arc mounting brackets and connecting two arc mounting brackets, the arc mounting bracket includes first mounting bracket 1 and second mounting bracket 2, first mounting bracket 1 is used for the flange end of the fixed pipeline of centre gripping, second mounting bracket 2 is used for the flange end of the fixed technology sled of centre gripping, the lateral surface of first mounting bracket 1 and second mounting bracket 2 is provided with a plurality of hasp 4, the fixing base of hasp 4 one end install in on the lateral surface of first mounting bracket 1, the fixing base correspondence of the other end is installed on the lateral surface of second mounting bracket 2, hasp 4 fixed connection is passed through in the first mounting bracket 1 and the 2 outsides of second mounting bracket, easy dismounting, it is simple to use.

As shown in fig. 1 and 3, a plurality of through holes 6 are formed in an end surface of the first mounting frame 1 close to the second mounting frame 2, a first hydraulic press 8 is welded in the through holes 6, in other embodiments, the first hydraulic press 8 may be further fixed in the through holes 6 by nuts, an output end of the first hydraulic press 8 faces to one side where the first mounting frame 1 and the second mounting frame 2 are attached, a first hydraulic rod 9 is arranged at an output end of the first hydraulic press 8, and one end of the first hydraulic rod 9 away from the first hydraulic press 8 is welded on the end surface of the second mounting frame 2; the input of first hydraulic press 8 is connected with high-pressure hydraulic hose, the other end of high-pressure hydraulic hose is connected with the hydraulic pump after connecting the hydraulic pressure table, screws behind the stop valve of hydraulic pump and releases first hydraulic stem 9 through first hydraulic press 8 of hydraulic pump control and makes first mounting bracket 1 and the separation of second mounting bracket 2.

As shown in fig. 1, a plurality of fixing rings 5 are welded on the outer side wall of the first mounting frame 1, the number of the fixing rings 5 is the same as that of the lead screws 3, in this embodiment, the number of the fixing rings 5 and the number of the lead screws 3 are three, the fixing rings 5 are distributed on the outer side wall of the first mounting frame 1 at equal intervals, the positions of the fixing rings 5 welded on the first mounting frame 1 are distributed in a triangular shape, the structure is stable, the lead screws 3 penetrate through the fixing rings 5 at the same positions on the two first mounting frames 1, locking nuts 301 are arranged on the lead screws 3 on the left and right sides of the fixing rings 5, the arc-shaped mounting frames are movably connected to the lead screws 3 through the fixing rings 5, and the two arc-shaped mounting frames connected to the lead screws 3 are oppositely arranged on one side of the second mounting frame 2; the two ends of the screw rod 3 are fixedly provided with stoppers 302, and the stoppers 302 are used for preventing the arc-shaped mounting rack from separating from the screw rod 3.

As shown in fig. 1 and 2, clamping mechanisms 7 are welded on inner side walls of the first mounting frame 1 and the second mounting frame 2, and each clamping mechanism 7 includes a second hydraulic device 701, a second hydraulic rod 702, and an arc-shaped clamping frame 703; the output end of the second hydraulic device 701 is provided with a second hydraulic rod 702, one end of the hydraulic rod, which is close to the center of the arc-shaped mounting rack, is welded with the arc-shaped mounting rack 703, two clamping mechanisms 7 are arranged, and the two clamping mechanisms 7 are symmetrical to each other about the center of the first mounting rack 1 and the second mounting rack 2. The one end that the arc holding frame 703 is close to the arc mounting frame center is equipped with arc separation blade 7031, arc separation blade 7031 is located the one end of keeping away from each other on two adjacent arc holding frames 703, be provided with perforation 7032 on the arc separation blade 7031, be provided with the helicitic texture in the perforation 7032, the bolt hole size on perforation 7032 and the ring flange is unanimous. The input end of the second hydraulic device 701 is connected with a high-pressure hydraulic hose, the other end of the high-pressure hydraulic hose is connected with a hydraulic meter and then is connected with a hydraulic pump, a stop valve of the hydraulic pump is screwed, the second hydraulic device 701 is controlled by the hydraulic pump to drive a second hydraulic rod 702, and the arc-shaped clamping frame 703 clamps a pipeline and a flange end of a process pry; the through holes 7032 in the arcuate tabs 7031 are aligned with the bolt holes in the flange, and the arcuate tabs 7031 are secured to the flange by bolts to provide further reinforcement.

The utility model discloses a theory of operation is:

when the lead screw flange separator provided in the embodiment of the utility model is used, the locking nuts 301 at two ends of the fixing ring 5 are loosened, the arc-shaped mounting frames are enabled to move left and right on the lead screw 3, the second mounting frames 2 of the two arc-shaped mounting frames are respectively clamped on the outer surface walls of the flange surfaces at two ends of the process pry, the first mounting frames 1 of the two arc-shaped mounting frames are respectively clamped on the outer surface walls of the flange surfaces at the pipeline interface, the hydraulic pump is opened, the second hydraulic device 701 on the first mounting frame 1 and the second mounting frame 2 is controlled to drive the second hydraulic rod 702, so that the arc-shaped clamping frames 703 respectively clamp the pipeline and the flange ends of the process pry, after clamping, the arc-shaped separation blades 7031 on the arc-shaped clamping frames 703 are respectively attached to the side walls of the flange plates, in addition, if the distance between the arc-shaped separation blades 7031 of the arc-shaped clamping frames 703 on the first mounting frame 1 and the second mounting frame 2 is smaller than the width of the two flange plates, can untie hasp 4 in the first mounting bracket 1 and the 2 outsides of second mounting bracket earlier, open the hydraulic pump, control first hydraulic press 8 promotes first hydraulic stem 9 and makes first mounting bracket 1 and the separation of second mounting bracket 2 to widen the distance between the arc separation blade 7031, make separator application scope wider. The angle that needs adjust the arc-shaped mounting bracket before the centre gripping makes perforation 7032 on the arc separation blade 7031 aligns with the bolt hole on the ring flange, will through the bolt arc separation blade 7031 is fixed on the ring flange, realizes that the flange end of first mounting bracket 1 and second mounting bracket 2 and pipeline and technology sled is further strengthened.

After fixing, untie hasp 4 in the first mounting bracket 1 and the 2 outsides of second mounting bracket, open the hydraulic pump, control first hydraulic press 8 and promote first hydraulic stem 9 and make first mounting bracket 1 and the separation of second mounting bracket 2, prop through first mounting bracket 1 and the 2 contact surfaces of second mounting bracket that will be fixed in respectively on two ring flanges, realize technology sled flange face separation, avoid using the chain block to hurt the operation personnel and use the crowbar to hurt the flange face, the damage that the separator caused the flange face when the expansion has been reduced, the life of flange face has been improved.

After separating to the certain distance, will gu fixed ring 5 locking through lock nut 301 of screwing, make the distance between the first mounting bracket 1 in both ends fixed, make the pipeline ring flange be in the state of strutting all the time at the dismouting in-process through lead screw 3, support the technology sled that needs to be changed the maintenance through jack or other support frames, loosen the holding frame on the second mounting bracket 2, realize that the technology sled is dismantled, whole dismouting process safe and reliable has improved the efficiency that the flange was dismantled and was installed simultaneously.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A lead screw flange separator comprises two arc-shaped mounting racks and a lead screw connected with the two arc-shaped mounting racks, and is characterized in that,

the arc-shaped mounting frame comprises a first mounting frame and a second mounting frame, a plurality of through holes are formed in the end face, close to one side of the second mounting frame, of the first mounting frame, a first hydraulic press is welded in each through hole, the output end of each first hydraulic press faces to one side, where the first mounting frame and the second mounting frame are attached, of the corresponding first mounting frame, a first hydraulic rod is arranged at the output end of each first hydraulic press, and one end, far away from the first hydraulic press, of each first hydraulic rod is welded to the end face of the second mounting frame;

the outer side wall of each first mounting frame is welded with a plurality of fixing rings, the screw penetrates through the fixing rings at the same positions on the two first mounting frames, locking nuts are arranged on the screws on the left side and the right side of each fixing ring, the arc-shaped mounting frames are connected to the screw through the fixing rings, and the two arc-shaped mounting frames connected to the screw are oppositely arranged on one side of the second mounting frame;

clamping mechanisms are welded on the inner side walls of the first mounting frame and the second mounting frame respectively, and each clamping mechanism comprises a second hydraulic device, a second hydraulic rod and an arc-shaped clamping frame; the output of second hydraulic pressure ware is provided with the second hydraulic stem, the one end welding that the hydraulic stem is close to arc mounting bracket center has the arc supporting frame, the one end that the arc supporting frame is close to arc mounting bracket center is equipped with the arc separation blade, the arc separation blade is located the one end of keeping away from each other on two adjacent arc supporting frames, be provided with the perforation on the arc separation blade, be provided with the helicitic texture in the perforation.

2. The lead screw flange decoupler as claimed in claim 1, wherein the first and second mounting brackets are fixedly attached to each other by a snap-fit connection.

3. A screw flange separator according to claim 2, wherein the two ends of the screw are fixedly provided with stoppers.

4. A lead screw flange decoupler as claimed in claim 3, wherein there are two clamping mechanisms and the two clamping mechanisms are symmetrical to each other about the centre of the first and second mounting brackets.