CN114570826A - Pipeline punching press cuts device for construction based on incision control - Google Patents

Pipeline punching press cuts device for construction based on incision control Download PDF

Info

Publication number
CN114570826A
CN114570826A CN202210483144.1A CN202210483144A CN114570826A CN 114570826 A CN114570826 A CN 114570826A CN 202210483144 A CN202210483144 A CN 202210483144A CN 114570826 A CN114570826 A CN 114570826A
Authority
CN
China
Prior art keywords
hydraulic
sliding
pipeline
limiting
box body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210483144.1A
Other languages
Chinese (zh)
Other versions
CN114570826B (en
Inventor
马素真
张丽红
孙贵杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Polytechnic College
Original Assignee
Sichuan Siyu Communication Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Siyu Communication Engineering Co ltd filed Critical Sichuan Siyu Communication Engineering Co ltd
Priority to CN202210483144.1A priority Critical patent/CN114570826B/en
Publication of CN114570826A publication Critical patent/CN114570826A/en
Application granted granted Critical
Publication of CN114570826B publication Critical patent/CN114570826B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/28Perforating, i.e. punching holes in tubes or other hollow bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)

Abstract

The invention belongs to the technical field of non-cutting machining, and particularly relates to a pipeline punching and cutting device for building construction based on notch control; the invention discloses a pipeline punching and cutting device for building construction based on notch control, which comprises a fixed-point limiting type outward-expanding cutting mechanism, an internal top-supporting type bulge regulating and controlling mechanism, a hydraulic driving assembly and a lifting adjusting mechanism. The invention is based on the hydraulic and pneumatic transmission principle, creatively provides a fixed-point limiting type external expansion type cutting mechanism, and realizes the sequential control of two processes of punching and cutting by skillful hydraulic and limiting structures under the condition of no hydraulic control valve; the invention also creatively provides an internal top-supporting type bulge regulating and controlling mechanism, which controls the shape of the arc-shaped bulge, can automatically pre-tighten the sealing bowl opening through internal pressure, and can adaptively increase the pre-tightening force between the sealing bowl opening and the pipeline body to be cut when the water pressure is increased so as to prevent the pipeline body to be cut from falling off.

Description

Pipeline punching press cuts device for construction based on incision control
Technical Field
The invention belongs to the technical field of non-cutting machining, and particularly relates to a pipeline punching and cutting device for building construction based on notch control.
Background
In-plant modularization of wisdom building presets and site operation's in-process, often need flatten and cut the pipe fitting, conveniently as structural support spare and connecting bolt, but traditional work flow has following problem:
a: generally, two processes are required to be separated and independently operated, so that the difficulty is high when the truncation position is required to be located at the right center of the flattening area, and measurement and marking are required during truncation;
b: the flattened flat port is difficult to ensure to be exactly positioned on the diameter of the circular tube;
c: if the flat port after being flattened still has the sealing performance, the measurement verification is separately carried out after the two procedures are finished;
d: in the process of pressfitting, can form the arc swell of transition automatically between cylinder section and the flat section, the shape of this arc swell is generally relevant with the diameter and the wall thickness of pipeline, generally can't independently control, and uncontrollable in this kind of appearance has been unable to satisfy the operating mode demand of part wisdom building construction scene.
Disclosure of Invention
In view of the above circumstances, the present invention provides a pipe punching and cutting device for building construction, which can flatten a pipe by one operation, cut the pipe at the middle part of a flattened area, automatically adjust the position of a flattened opening, and control the size of an arc-shaped bulge, and is based on notch control, to overcome the defects of the prior art; in order to solve the technical problems that the traditional pipe stamping and cutting process is complicated in steps and the cutting position is difficult to control accurately, the invention creatively provides a fixed-point limiting type external expansion cutting mechanism based on the hydraulic and pneumatic transmission principle, and realizes the sequential control of the two processes of stamping and cutting only through ingenious hydraulic and limiting structures under the condition that no hydraulic control valve exists.
Moreover, the invention also creatively provides an internal jacking type bulge regulating and controlling mechanism, the shape of the arc-shaped bulge is controlled by changing the internal pressure (air pressure and hydraulic pressure), the sealing bowl opening can be automatically pre-tightened by the internal pressure, and when the pressure in the pipeline body to be cut is increased, the pre-tightening force between the sealing bowl opening and the pipeline body to be cut can be adaptively increased, so that the pipeline body to be cut is prevented from falling off.
The technical scheme adopted by the invention is as follows: the invention provides a pipeline punching and cutting device for building construction based on notch control, which comprises a fixed-point limiting type externally-expanding cutting mechanism, an internal top-supporting type bulge regulating and controlling mechanism, a hydraulic driving assembly and a lifting adjusting mechanism, wherein the hydraulic driving assembly is arranged on the lifting adjusting mechanism, the height of the central position of a water inlet pump can be adjusted through the lifting adjusting mechanism, so that corresponding adjustment can be carried out according to different pipe diameters or different requirements of flattening positions, the fixed-point limiting type externally-expanding cutting mechanism is driven through the hydraulic driving assembly, the fixed-point limiting type externally-expanding cutting mechanism is symmetrically arranged on the hydraulic driving assembly, the sequence motion of the fixed-point limiting type externally-expanding cutting mechanism can be automatically controlled through a mechanism and a hydraulic system, the internal top-supporting type bulge regulating and controlling mechanism is arranged on the lifting adjusting mechanism, the fastening force and the sealing performance of a sealing bowl mouth can be adaptively increased through the internal top-supporting type bulge regulating and controlling mechanism, the effect of water pressure control is optimized.
Furthermore, the fixed-point limiting type external-expanding type intercepting mechanism comprises a sliding limiting pressing component and a telescopic intercepting component, the sliding limiting pressing component is fixedly connected to the hydraulic driving component, the telescopic intercepting component is slidably arranged in the sliding limiting pressing component, the telescopic intercepting component is limited through the sliding limiting pressing component, the process steps of automatically and sequentially controlling pressing and intercepting can be controlled, and under the condition that no sensor or pressure control device is arranged, ordered control of multiple steps is achieved only through a group of hydraulic driving sources.
Preferably, the sliding limiting pressing assembly comprises a hydraulic box body, a square limiting pin and a split type hydraulic hammer, the hydraulic box body is fixedly connected to the hydraulic driving assembly, box body vertical plates are symmetrically arranged on the hydraulic box body, square fixing holes are symmetrically arranged on the box body vertical plates of the hydraulic box body, the square limiting pin is clamped in the square fixing holes, the square limiting pin has the function of guiding the split type hydraulic hammer, a box body joint is further arranged on the hydraulic box body, box body lateral inclined slope surfaces are symmetrically arranged on the side surfaces of the hydraulic box body, the split type hydraulic hammer is clamped and slidably arranged in the hydraulic box body, an F-shaped hydraulic hammer limiting groove is arranged on the split type hydraulic hammer, the square limiting pin is clamped and slidably arranged in the F-shaped hydraulic hammer limiting groove, and the ordered control of the pressing and stretching steps can be realized through the matching of the square limiting pin and the F-shaped hydraulic hammer limiting groove, still be equipped with on the split type hydraulic hammer with the corresponding hydraulic hammer slope of box skew surface, through the cooperation of hydraulic hammer slope surface and box skew surface, when can guaranteeing that split type hydraulic hammer separates towards both sides, the leakproofness of oil pressure cavity, the inboard of split type hydraulic hammer is equipped with hydraulic hammer indent spout and hydraulic hammer skew groove.
As a further preferred aspect of the present invention, the telescopic cutting assembly comprises a T-shaped cutting tool and a sliding sealing piece, the T-shaped cutting tool is clamped in a slope groove of the hydraulic hammer, the T-shaped cutting tool can extend out of the split hydraulic hammer to cut the pipeline body to be cut after the two split hydraulic hammers are separated, the T-shaped cutting tool is provided with a tool platform, the tool platform is slidably arranged in an inward-concave chute of the hydraulic hammer, the T-shaped cutting tool is symmetrically provided with sliding limiting bosses on the tool platform, the middle of the sliding sealing piece is provided with a sealing piece flexible portion, when the split hydraulic hammers are separated, the bowl mouth groove flexible portion can be flatly laid and unfolded under the action of hydraulic pressure, so as to ensure that the side surface of the sliding sealing piece is always in contact with the inward-concave chute of the hydraulic hammer, and sealing piece sliding grooves corresponding to the sliding limiting bosses are symmetrically arranged on both sides of the sliding sealing piece, the slip gasket passes through the gasket slip recess block and slides and locate on the spacing boss that slides, the lateral wall sliding seal contact of the side of slip gasket and hydraulic hammer indent spout, the slip gasket hugs closely all the time on the lateral wall of hydraulic hammer indent spout under the pressure effect of hydraulic oil to after split type hydraulic hammer is separately, still can keep the leakproofness of oil pressure cavity.
Further, inside shore formula swell regulation and control mechanism is including treating to cut pipeline body, water delivery subassembly and self-adaptation expansion assembly, the water delivery subassembly is placed on lift adjustment mechanism, the water delivery subassembly is located on lift adjustment mechanism, self-adaptation expansion assembly slides and locates in the water delivery subassembly.
As preferred, the water delivery subassembly includes intake pump, raceway, sealed bowl mouth and water pipe mounting flange, the intake pump is located on the lift adjustment mechanism, on the intake pump was located to the one end of raceway, the other end of raceway is equipped with rigid pipeline portion, rigid pipeline portion block is located in the sealed bowl mouth, the raceway is equipped with the spacing boss of pipeline at the tip of rigid pipeline portion, sealed bowl mouth block is located on the rigid pipeline portion, be equipped with bowl mouth recess flexible portion on the sealed bowl mouth, can increase sealed bowl mouth internal support power and static friction power in waiting to cut the pipeline body through the inflation of bowl mouth recess flexible portion, fix sealed bowl mouth in waiting to cut the pipeline body, do benefit to the assurance and treat the inside hydraulic control of pipeline body, water pipe mounting flange block is located on the spacing boss of pipeline.
As a further preferred aspect of the present invention, the adaptive expansion assembly includes an elastic propping sealing ring, a sliding piston disc, a propping connecting rod and a return spring, the elastic propping sealing ring is disposed in the flexible portion of the groove of the bowl mouth, propping ring hinge stations are disposed on the elastic propping sealing ring in an annular and uniform manner, the sliding piston disc is slidably disposed on the rigid pipe portion in a clamping manner, the sliding piston disc is slidably disposed in the sealing bowl mouth in a clamping manner, piston disc hinge stations are disposed on the sliding piston disc in an annular and uniform manner, one end of the propping connecting rod is rotatably disposed on the propping ring hinge station, the other end of the propping connecting rod is rotatably disposed on the piston disc hinge station, when the sliding piston disc slides under the action of water pressure, the elastic propping sealing ring can be propped by the propping connecting rod, so as to increase the pre-tightening force between the sealing bowl mouth and the pipe body to be cut, and further fix the sealing bowl mouth in the pipe body to be cut, one end of the reset spring is arranged on the sealing bowl opening, and the other end of the reset spring is arranged on the sliding piston plate.
Further, the hydraulic drive subassembly includes main part frame, hydraulic pump and hydraulic power pipeline, and the motion of expanding type intercepting mechanism outward for the spacing formula of fixed point through the hydraulic drive subassembly provides power, the main part frame is located on the lift adjustment mechanism, be equipped with frame side installation face in the main part frame, hydraulic pressure box rigid coupling is on frame side installation face, the hydraulic pump is located in the main part frame, on the hydraulic pump was located to the one end of hydraulic power pipeline, the coming of hydraulic power pipeline is located in the box joint for you one end.
Further, lift adjustment mechanism includes lift direction subassembly and lift drive assembly, lift drive assembly locates on the lift direction subassembly.
Preferably, the lifting guide assembly comprises a main body base plate, a lifting guide rod and a lifting platform, the lifting guide rod is symmetrically arranged on the main body base plate, platform guide round platforms are symmetrically arranged on the lifting platform, the lifting platform is slidably arranged on the lifting guide rod through platform guide round platform clamping blocks, the main body frame is arranged on the main body base plate, the water inlet pump is arranged on the lifting platform, the pipeline body to be cut is arranged on the lifting platform, and a platform notch and a nut mounting seat are further arranged on the lifting platform.
As a further preferred aspect of the present invention, the lifting driving assembly includes a driving motor, a driving screw and a square nut, the height of the lifting platform can be adjusted by the lifting driving assembly, so as to perform autonomous adjustment when the pipe diameter of the pipe body to be cut is different or the flattened closing-up position needs to be changed, the driving motor is disposed on the main body bottom plate, the driving screw is clamped on an output shaft of the driving motor, the square nut is in threaded fit with the driving screw, and the square nut is clamped in the nut mounting seat.
The invention with the structure has the following beneficial effects:
(1) the height of the central position of the water inlet pump can be adjusted through the lifting adjusting mechanism, so that corresponding adjustment is performed according to different pipe diameters or different requirements of flattening positions, and the fixed-point limiting type outward-expanding type cut-off mechanism is driven through the hydraulic driving assembly;
(2) the fastening force and the sealing performance of the sealing bowl mouth can be increased in a self-adaptive manner through the internal top-supporting type bulge regulating and controlling mechanism, and the water pressure control effect is optimized;
(3) the process steps of stitching and cutting can be controlled automatically and sequentially by limiting the telescopic cutting assembly through the sliding limiting stitching assembly, and ordered control of a plurality of steps is realized only through a group of hydraulic driving sources under the condition without any sensor and pressure control device;
(4) by matching the slope surface of the hydraulic hammer with the side slope surface of the box body, the sealing performance of the oil pressure chamber can be ensured when the split type hydraulic hammer is separated towards two sides;
(5) when the split type hydraulic hammer is separated, the flexible part of the groove of the bowl opening can be flatly laid and unfolded under the action of hydraulic pressure, so that the side surface of the sliding sealing piece is always in contact with the inward concave sliding groove of the hydraulic hammer;
(6) the sliding sealing sheet is always tightly attached to the side wall of the concave sliding groove of the hydraulic hammer under the pressure action of hydraulic oil, so that the sealing performance of the oil pressure chamber can be still kept after the split type hydraulic hammer is separated;
(7) the expansion of the flexible part of the bowl opening groove can increase the internal supporting force and the static friction force of the sealing bowl opening in the pipeline body to be cut off, so that the sealing bowl opening is fixed in the pipeline body to be cut off, and the control of the internal water pressure of the pipeline body to be cut off is favorably ensured;
(8) when the sliding piston disc slides under the action of water pressure, the elastic top bracing sealing ring can be top braced through the top bracing connecting rod, so that the pre-tightening force between the sealing bowl opening and the pipeline body to be cut is increased, and the sealing bowl opening is fixed in the pipeline body to be cut;
(9) the height of the lifting platform can be adjusted through the lifting driving assembly, so that the pipe diameter of the pipeline body to be cut is different or the flattened closing-up position needs to be changed, and the automatic adjustment is carried out.
Drawings
Fig. 1 is a perspective view of a pipe punching and cutting device for building construction based on notch control according to the present invention;
FIG. 2 is a front view of a pipe punching and cutting device for building construction based on notch control according to the present invention;
fig. 3 is a top view of a pipe punching and cutting device for building construction based on notch control according to the present invention;
FIG. 4 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 4;
FIG. 6 is a cross-sectional view taken along section line C-C of FIG. 4;
fig. 7 is a schematic structural diagram of a fixed-point limiting type outward-expanding type cutoff mechanism of a pipe stamping cutoff device for building construction based on notch control, which is provided by the invention;
fig. 8 is a schematic structural diagram of an internal jacking type bulge regulating and controlling mechanism of the pipe stamping and cutting device for building construction based on notch control, which is provided by the invention;
fig. 9 is a schematic structural diagram of a hydraulic driving assembly of a pipe punching and cutting device for building construction based on notch control according to the present invention;
fig. 10 is a schematic structural diagram of a lifting adjusting mechanism of a pipe punching and cutting device for building construction based on notch control according to the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 4 at I;
FIG. 12 is an enlarged view of a portion of FIG. 5 at II;
fig. 13 is a partial enlarged view of fig. 6 at iii.
Wherein, 1, fixed point limit type external expansion cutting mechanism, 2, internal top support type bulge regulating mechanism, 3, hydraulic drive component, 4, lifting adjusting mechanism, 5, sliding limit pressing component, 6, telescopic cutting component, 7, hydraulic box body, 8, square limit pin, 9, split type hydraulic hammer, 10, T-shaped cutting tool, 11, sliding sealing piece, 12, box body vertical plate, 13, square fixing hole, 14, box body joint, 15, box body side slope surface, 16, hydraulic hammer F-shaped limit groove, 17, hydraulic hammer slope surface, 18, hydraulic hammer concave chute, 19, hydraulic hammer slope groove, 20, tool platform, 21, sliding limit boss, 22, sealing piece flexible part, 23, sealing piece sliding groove, 24, pipeline body to be cut off, 25, water delivery component, 26, self-adapting expansion component, 27, water inlet pump, 28, water delivery pipe, 29, 24, self-adapting expansion component, 27, water inlet pump, 28, water delivery pipe, 29, and the like, The sealing device comprises a sealing bowl opening, 30, a water pipe fixing flange, 31, an elastic top support sealing ring, 32, a sliding piston disc, 33, a top support connecting rod, 34, a return spring, 35, a rigid pipeline part, 36, a pipeline limiting boss, 37, a bowl opening groove flexible part, 38, a top support ring hinging table, 39, a piston disc hinging table, 40, a main body frame, 41, a hydraulic pump, 42, a hydraulic power pipeline, 43, a frame side mounting surface, 44, a lifting guide assembly, 45, a lifting driving assembly, 46, a main body base plate, 47, a lifting guide rod, 48, a lifting platform, 49, a driving motor, 50, a driving screw rod, 51, a square nut, 52, a platform notch, 53, a platform guide circular table, 54 and a nut mounting seat.
The accompanying drawings, which 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 principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in figure 1, the invention provides a pipeline punching and cutting device for building construction based on notch control, which comprises a fixed-point limiting type externally-expanding type cutting mechanism 1, an internal jacking type bulge regulating and controlling mechanism 2, a hydraulic driving component 3 and a lifting adjusting mechanism 4, wherein the hydraulic driving component 3 is arranged on the lifting adjusting mechanism 4, the height of the central position of a water inlet pump 27 can be adjusted through the lifting adjusting mechanism 4, so that corresponding adjustment can be carried out according to different pipe diameters or different requirements of flattening positions, the fixed-point limiting type externally-expanding type cutting mechanism 1 is driven through the hydraulic driving component 3, the fixed-point limiting type externally-expanding type cutting mechanism 1 is symmetrically arranged on the hydraulic driving component 3, the sequence motion of the fixed-point limiting type externally-expanding type cutting mechanism 1 can be automatically controlled through a mechanism and a hydraulic system, the internal jacking type bulge regulating and controlling mechanism 2 is arranged on the lifting adjusting mechanism 4, the fastening force and the sealing performance of the sealing bowl opening 29 can be adaptively increased through the internal top-supporting type bulge regulating and controlling mechanism 2, and the effect of water pressure control is optimized.
As shown in fig. 1, 2, 4 and 10, the lifting adjusting mechanism 4 includes a lifting guide assembly 44 and a lifting driving assembly 45, and the lifting driving assembly 45 is disposed on the lifting guide assembly 44; the lifting guide assembly 44 comprises a main body bottom plate 46, a lifting guide rod 47 and a lifting platform 48, wherein the lifting guide rod 47 is symmetrically arranged on the main body bottom plate 46, a platform guide circular truncated cone 53 is symmetrically arranged on the lifting platform 48, the lifting platform 48 is clamped and slidably arranged on the lifting guide rod 47 through the platform guide circular truncated cone 53, the main body frame 40 is arranged on the main body bottom plate 46, the water inlet pump 27 is arranged on the lifting platform 48, the pipeline body 24 to be cut is arranged on the lifting platform 48, and the lifting platform 48 is also provided with a platform notch 52 and a nut mounting seat 54; the lifting driving assembly 45 comprises a driving motor 49, a driving screw rod 50 and a square nut 51, the height of the lifting platform 48 can be adjusted through the lifting driving assembly 45, so that the pipe diameter of the pipeline body 24 to be cut off is different or the closing-up position of the pipe to be flattened needs to be changed, the driving motor 49 is arranged on the main body bottom plate 46, the driving screw rod 50 is clamped on an output shaft of the driving motor 49, the square nut 51 is in threaded fit with the driving screw rod 50, and the square nut 51 is clamped in the nut mounting seat 54.
As shown in fig. 1 and 9, the hydraulic drive assembly 3 includes a main body frame 40, a hydraulic pump 41 and a hydraulic power pipeline 42, the hydraulic drive assembly 3 provides power for the movement of the fixed-point limiting type outward-expanding block mechanism 1, the main body frame 40 is arranged on the lifting adjusting mechanism 4, a frame side mounting surface 43 is arranged on the main body frame 40, the hydraulic tank 7 is fixedly connected to the frame side mounting surface 43, the hydraulic pump 41 is arranged on the main body frame 40, one end of the hydraulic power pipeline 42 is arranged on the hydraulic pump 41, and one end of the hydraulic power pipeline 42 coming from the tank joint 14 is arranged.
As shown in fig. 1, 3, 4, 7, 11 and 12, the fixed-point limiting type outward-expanding cutoff mechanism 1 includes a sliding limiting pressing component 5 and a telescopic cutoff component 6, the sliding limiting pressing component 5 is fixedly connected to the hydraulic driving component 3, the telescopic cutoff component 6 is slidably arranged in the sliding limiting pressing component 5, the process steps of pressing and cutting can be controlled automatically and sequentially by limiting the telescopic cutoff component 6 through the sliding limiting pressing component 5, and the ordered control of multiple steps can be realized only through one group of hydraulic driving sources under the condition that no sensor or pressure control device is provided; the sliding limiting and pressing component 5 comprises a hydraulic box body 7, a square limiting pin 8 and a split type hydraulic hammer 9, the hydraulic box body 7 is fixedly connected on the hydraulic driving component 3, a box body hanging plate 12 is symmetrically arranged on the hydraulic box body 7, square fixing holes 13 are symmetrically arranged on the box body hanging plate 12 of the hydraulic box body 7, the square limiting pin 8 is clamped in the square fixing holes 13, the square limiting pin 8 has the function of guiding the split type hydraulic hammer 9, a box body joint 14 is also arranged on the hydraulic box body 7, a box body lateral inclined slope surface 15 is symmetrically arranged on the side surface of the hydraulic box body 7, the split type hydraulic hammer 9 is clamped and slidably arranged in the hydraulic box body 7, a hydraulic hammer F-shaped limiting groove 16 is arranged on the split type hydraulic hammer 9, the square limiting pin 8 is clamped and slidably arranged in the hydraulic hammer F-shaped limiting groove 16, and the orderly control of the pressing and the stretching can be realized through the matching of the square limiting pin 8 and the hydraulic hammer F-shaped limiting groove 16, the split type hydraulic hammer 9 is also provided with a hydraulic hammer slope surface 17 corresponding to the box body side slope surface 15, and the inner side of the split type hydraulic hammer 9 is provided with a hydraulic hammer concave sliding groove 18 and a hydraulic hammer slope groove 19; the telescopic cutting assembly 6 comprises a T-shaped cutting tool 10 and a sliding sealing piece 11, the T-shaped cutting tool 10 is clamped in a hydraulic hammer slope groove 19, the T-shaped cutting tool 10 can extend out of a split hydraulic hammer 9 after two groups of split hydraulic hammers 9 are separated, a pipeline body 24 to be cut is cut, a tool platform 20 is arranged on the T-shaped cutting tool 10, the tool platform 20 is arranged in a hydraulic hammer concave chute 18 in a sliding manner, sliding limiting bosses 21 are symmetrically arranged on the tool platform 20 of the T-shaped cutting tool 10, a sealing piece flexible part 22 is arranged in the middle of the sliding sealing piece 11, sealing piece sliding grooves 23 corresponding to the sliding limiting bosses 21 are symmetrically arranged on two sides of the sliding sealing piece 11, the sliding sealing piece 11 is arranged on the sliding limiting bosses 21 in a clamping manner through the sealing piece sliding grooves 23, and the side surfaces of the sliding sealing piece 11 are in sliding and sealing contact with the side walls of the hydraulic hammer concave chute 18, the sliding sealing sheet 11 is always tightly attached to the side wall of the concave sliding groove 18 of the hydraulic hammer under the pressure action of hydraulic oil, so that the sealing performance of the oil pressure chamber can be still kept after the split type hydraulic hammer 9 is separated.
As shown in fig. 1, 3, 4, 5, 6, 8 and 13, the internal jacking type bulge regulating mechanism 2 comprises a pipeline body 24 to be cut off, a water delivery component 25 and a self-adaptive expansion component 26, wherein the water delivery component 25 is placed on the lifting adjusting mechanism 4, the water delivery component 25 is arranged on the lifting adjusting mechanism 4, and the self-adaptive expansion component 26 is arranged in the water delivery component 25 in a sliding manner; the water delivery assembly 25 comprises a water inlet pump 27, a water delivery pipe 28, a sealing bowl 29 and a water pipe fixing flange 30, the water inlet pump 27 is arranged on the lifting adjusting mechanism 4, one end of the water delivery pipe 28 is arranged on the water inlet pump 27, the other end of the water delivery pipe 28 is provided with a rigid pipeline part 35, the rigid pipeline part 35 is clamped in the sealing bowl 29, the water pipe 28 is provided with a pipe limiting boss 36 at the end part of the rigid pipe part 35, the sealing bowl opening 29 is clamped on the rigid pipe part 35, the sealing bowl opening 29 is provided with a bowl opening groove flexible part 37, the expansion of the bowl mouth groove flexible part 37 can increase the internal supporting force and the static friction force of the sealing bowl mouth 29 in the pipeline body 24 to be cut off, fix the sealing bowl mouth 29 in the pipeline body 24 to be cut off, the water pipe fixing flange 30 is clamped on the pipeline limiting boss 36 to ensure the control of the water pressure in the pipeline body 24 to be cut off; the self-adaptive expansion component 26 comprises an elastic top bracing sealing ring 31, a sliding piston disc 32, a top bracing connecting rod 33 and a return spring 34, wherein the elastic top bracing sealing ring 31 is arranged in a bowl mouth groove flexible part 37, top bracing ring hinging tables 38 are annularly and uniformly distributed on the elastic top bracing sealing ring 31, the sliding piston disc 32 is clamped and slidably arranged on a rigid pipeline part 35, the sliding piston disc 32 is clamped and slidably arranged in a sealing bowl mouth 29, piston disc hinging tables 39 are annularly and uniformly distributed on the sliding piston disc 32, one end of the top bracing connecting rod 33 is rotatably arranged on the top bracing ring hinging tables 38, the other end of the top bracing connecting rod 33 is rotatably arranged on the piston disc hinging tables 39, when the sliding piston disc 32 slides under the action of water pressure, the elastic top bracing sealing ring 31 can be braced through the top bracing connecting rod 33, so that the pre-tightening force between the sealing bowl mouth 29 and the pipeline body 24 to be cut off is increased, and the sealing bowl mouth 29 is further fixed in the pipeline body 24 to be cut off, one end of a return spring 34 is located on the sealing bowl 29 and the other end of the return spring 34 is located on the sliding piston disc 32.
When the pipeline cutting-off device is used specifically, firstly, a user needs to place the pipeline body 24 to be cut off on the lifting platform 48, then the water conveying pipe 28 with the self-adaptive expansion assembly 26 is plugged into the pipeline body 24 to be cut off, water is filled into the water conveying pipe 28 through the water inlet pump 27, and at the initial stage of water filling, the water conveying pipe 28 needs to be manually buckled firstly, and the sealing bowl 29 is placed to fall off from the pipeline body 24 to be cut off;
along with the rise of the internal pressure of the pipeline body 24 to be cut off (water pressure and a small part of air pressure), the sliding piston disc 32 can compress the return spring 34 and slide towards the inside of the sealing bowl opening 29, when the sliding piston disc 32 and the sealing bowl opening 29 slide relatively, the elastic jacking sealing ring 31 can be propped up, expanded and increased by the jacking connecting rod 33, the pressure between the bowl opening groove flexible part 37 and the pipeline body 24 to be cut off is increased, after the bowl opening groove flexible part 37 is pressed on the inner wall of the pipeline body 24 to be cut off, the sealing bowl opening 29 cannot slide in the pipeline body 24 to be cut off, and at the moment, the fixing of the water conveying pipe 28 can be cancelled;
according to the shape of the pressing cambered surface, the internal pressure of the pipeline body 24 to be cut off is adjusted to a proper value, and then the hydraulic pump 41 inputs liquid into the hydraulic box 7 through the hydraulic power pipeline 42;
then, according to the difference of pipe diameters of the pipeline bodies 24 to be cut off or the difference of heights of the flattened closing positions, a driving motor 49 is started, and the lifting platform 48 is lifted to a proper position under the guide of the lifting guide rod 47 through the transmission of a driving screw rod 50 and a square nut 51;
when the liquid in the intake pump 27 increases, the pressure increases, the split hydraulic hammer 9 firstly moves toward the pipeline body 24 to be cut under the limitation of the square limiting pin 8, and flattens the pipeline body 24 to be cut, at this time, because the liquid pressure in the pipeline body 24 to be cut is different, the shape of the arc bulge generated when the pipeline body 24 to be cut is flattened is also different, and in the process of flattening the pipeline body 24 to be cut, the internal pressure of the pipeline body 24 to be cut needs to be kept balanced by the intake pump 27;
after the split type hydraulic hammer 9 is pressed down to the limit position, the middle position of the pipeline body 24 to be cut off is flattened, the arc-shaped bulge is also formed, the internal pressure of the pipeline body 24 to be cut off can be removed through the water inlet pump 27, the split type hydraulic hammer 9 is allowed to slide towards two sides under the guide of the square limit pin 8, after the split type hydraulic hammer 9 is separated, the T-shaped cutting tool 10 slides out of the split type hydraulic hammer 9 under the action of the liquid pressure, and the flattened pipeline body 24 to be cut off is cut off;
after cutting off, the device can be reset according to the reverse procedure;
the above is the overall working process of the invention, and the steps are repeated when the device is used next time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a pipeline punching press cuts device for construction based on incision control, includes hydraulic drive subassembly (3) and lift adjustment mechanism (4), on lift adjustment mechanism (4) were located in hydraulic drive subassembly (3), its characterized in that: the fixed-point limiting type external-expanding type blocking mechanism (1) and the internal jacking type bulge regulating and controlling mechanism (2) are further included, the fixed-point limiting type external-expanding type blocking mechanism (1) is symmetrically arranged on the hydraulic driving assembly (3), and the internal jacking type bulge regulating and controlling mechanism (2) is arranged on the lifting regulating mechanism (4); the fixed-point limiting type external-expanding cut-off mechanism (1) comprises a sliding limiting pressing component (5) and a telescopic cut-off component (6), the sliding limiting pressing component (5) is fixedly connected to the hydraulic driving component (3), and the telescopic cut-off component (6) is arranged in the sliding limiting pressing component (5) in a sliding mode.
2. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 1, wherein: the sliding limiting press-fit assembly (5) comprises a hydraulic box body (7), a square limiting pin (8) and a split type hydraulic hammer (9), wherein the hydraulic box body (7) is fixedly connected to the hydraulic driving assembly (3), box body hanging plates (12) are symmetrically arranged on the hydraulic box body (7), square fixing holes (13) are symmetrically arranged on the box body hanging plates (12) of the hydraulic box body (7), the square limiting pin (8) is clamped in the square fixing holes (13), box body joints (14) are further arranged on the hydraulic box body (7), box body inclined slope surfaces (15) are symmetrically arranged on the side surfaces of the hydraulic box body (7), the split type hydraulic hammer (9) is clamped and slidably arranged in the hydraulic box body (7), a hydraulic hammer F-shaped limiting groove (16) is arranged on the split type hydraulic hammer (9), and the square limiting pin (8) is clamped and slidably arranged in the hydraulic hammer F-shaped limiting groove (16), the hydraulic hammer is characterized in that a hydraulic hammer slope surface (17) corresponding to the box body side slope surface (15) is further arranged on the split type hydraulic hammer (9), and a hydraulic hammer concave sliding groove (18) and a hydraulic hammer slope groove (19) are formed in the inner side of the split type hydraulic hammer (9).
3. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 2, wherein: the telescopic cutting assembly (6) comprises a T-shaped cutting tool (10) and a sliding sealing piece (11), the T-shaped cutting tool (10) is clamped in a hydraulic hammer slope groove (19), a tool platform (20) is arranged on the T-shaped cutting tool (10), the cutter platform (20) is arranged in the concave chute (18) of the hydraulic hammer in a sliding way, the T-shaped cut-off cutter (10) is symmetrically provided with sliding limit bosses (21) on the cutter platform (20), a sealing sheet flexible part (22) is arranged in the middle of the sliding sealing sheet (11), sealing sheet sliding grooves (23) corresponding to the sliding limiting bosses (21) are symmetrically arranged on two sides of the sliding sealing sheet (11), the sliding sealing sheet (11) is clamped and arranged on the sliding limiting boss (21) in a sliding way through the sealing sheet sliding groove (23), the side surface of the sliding sealing sheet (11) is in sliding sealing contact with the side wall of the concave sliding groove (18) of the hydraulic hammer.
4. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 3, wherein: inside top supporting formula swell regulation and control mechanism (2) is including treating to cut pipeline body (24), water delivery subassembly (25) and self-adaptation expansion assembly (26), water delivery subassembly (25) are placed on lift adjustment mechanism (4), water delivery subassembly (25) are located on lift adjustment mechanism (4), self-adaptation expansion assembly (26) slide and locate in water delivery subassembly (25).
5. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 4, wherein: water delivery subassembly (25) are including intake pump (27), raceway (28), sealed bowl mouth (29) and water pipe mounting flange (30), elevating adjusting mechanism (4) is located in intake pump (27), the one end of raceway (28) is located on intake pump (27), the other end of raceway (28) is equipped with rigid pipeline portion (35), rigid pipeline portion (35) block is located in sealed bowl mouth (29), raceway (28) are equipped with spacing boss of pipeline (36) at the tip of rigid pipeline portion (35), sealed bowl mouth (29) block is located on rigid pipeline portion (35), be equipped with bowl mouth recess flexible portion (37) on sealed bowl mouth (29), water pipe mounting flange (30) block is located on spacing boss of pipeline (36).
6. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 5, wherein: the self-adaptive expansion assembly (26) comprises an elastic jacking sealing ring (31), a sliding piston disc (32), a jacking connecting rod (33) and a reset spring (34), the elastic jacking sealing ring (31) is arranged in a bowl mouth groove flexible part (37), jacking ring hinge tables (38) are uniformly distributed on the elastic jacking sealing ring (31) in an annular manner, the sliding piston disc (32) is slidably arranged on a rigid pipeline part (35) in a clamping manner, the sliding piston disc (32) is slidably arranged in a sealed bowl mouth (29) in a clamping manner, piston disc hinge tables (39) are uniformly distributed on the sliding piston disc (32) in an annular manner, one end of the jacking connecting rod (33) is rotatably arranged on the jacking ring hinge tables (38), the other end of the jacking connecting rod (33) is rotatably arranged on the piston disc hinge tables (39), one end of the reset spring (34) is arranged on the sealed bowl mouth (29), the other end of the return spring (34) is arranged on the sliding piston disc (32).
7. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 6, wherein: hydraulic drive subassembly (3) are including main part frame (40), hydraulic pump (41) and hydraulic power pipeline (42), main part frame (40) are located on lift adjustment mechanism (4), be equipped with frame side installation face (43) on main part frame (40), hydraulic pressure box (7) rigid coupling is on frame side installation face (43), on main part frame (40) are located to hydraulic pump (41), the one end of hydraulic power pipeline (42) is located on hydraulic pump (41), coming of hydraulic power pipeline (42) is located in box joint (14) for you one end.
8. The pipe stamping and cutting device for building construction based on the notch control as claimed in claim 7, wherein: the lifting adjusting mechanism (4) comprises a lifting guide component (44) and a lifting driving component (45), and the lifting driving component (45) is arranged on the lifting guide component (44).
9. The pipe punching and cutting device for building construction based on the notch control as claimed in claim 8, wherein: lift direction subassembly (44) include main part bottom plate (46), lift guide bar (47) and lift platform (48), lift guide bar (47) symmetry is located on main part bottom plate (46), the symmetry is equipped with platform direction round platform (53) on lift platform (48), lift platform (48) slide through platform direction round platform (53) block and locate on lift guide bar (47), main part bottom plate (46) is located in main part frame (40), on lift platform (48) is located in intake pump (27), treat to block on pipeline body (24) arranges lift platform (48) in, still be equipped with platform breach (52) and nut mount pad (54) on lift platform (48).
10. The pipe punching and cutting device for building construction based on the notch control as claimed in claim 9, wherein: the lifting driving assembly (45) comprises a driving motor (49), a driving screw rod (50) and a square nut (51), the driving motor (49) is arranged on the main body bottom plate (46), the driving screw rod (50) is clamped on an output shaft of the driving motor (49), the square nut (51) is in threaded fit with the driving screw rod (50), and the square nut (51) is clamped in a nut mounting seat (54).
CN202210483144.1A 2022-05-06 2022-05-06 Pipeline punching press cuts device for construction based on incision control Expired - Fee Related CN114570826B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210483144.1A CN114570826B (en) 2022-05-06 2022-05-06 Pipeline punching press cuts device for construction based on incision control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210483144.1A CN114570826B (en) 2022-05-06 2022-05-06 Pipeline punching press cuts device for construction based on incision control

Publications (2)

Publication Number Publication Date
CN114570826A true CN114570826A (en) 2022-06-03
CN114570826B CN114570826B (en) 2022-08-12

Family

ID=81779460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210483144.1A Expired - Fee Related CN114570826B (en) 2022-05-06 2022-05-06 Pipeline punching press cuts device for construction based on incision control

Country Status (1)

Country Link
CN (1) CN114570826B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116921976A (en) * 2023-09-18 2023-10-24 山西富兴通重型环锻件有限公司 High-efficient flange welding jig

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227393A (en) * 1979-01-03 1980-10-14 Anvil Corporation Method and apparatus for punching openings in tubes
JP2007038260A (en) * 2005-08-03 2007-02-15 Honda Motor Co Ltd Method and apparatus for press-cutting end part of pipe
CN201464124U (en) * 2009-08-21 2010-05-12 中国第一重型机械股份公司 Enclosed positioning device for pressure testing of steel pipe
ES2372377A1 (en) * 2010-06-25 2012-01-19 Fineblanking Press Systems, S.L. Stamping press
CN202162257U (en) * 2011-05-24 2012-03-14 惠州市升华工业有限公司 Square pipe cut-off die
CN205600012U (en) * 2016-03-31 2016-09-28 合肥超越电器有限责任公司 Device is blocked in processing of box -like step -down of hot pressing pipe
CN205660032U (en) * 2016-06-02 2016-10-26 重庆钢铁(集团)有限责任公司 Metal tubular product die cutting machine constructs
CN106141285A (en) * 2016-08-30 2016-11-23 江门银特银数控机床有限公司 A kind of pipe fitting block lathe
CN210761526U (en) * 2019-07-22 2020-06-16 海格电气(惠州)有限公司 Automatic lifting sealing connecting piece mechanism for stamping production
CN211250183U (en) * 2019-08-07 2020-08-14 河南寅兴牧业设备有限公司 Pipe cutter
CN211247907U (en) * 2019-11-21 2020-08-14 海宁美惠机械有限公司 Sofa base side plate integrated forming die
CN211757903U (en) * 2020-01-19 2020-10-27 山东安固达仓储设备有限公司 Square pipe punching and cutting die
CN213378723U (en) * 2020-09-26 2021-06-08 华北易安德脚手架制造有限公司 Steel pipe section bar die cutting machine
CN113357543A (en) * 2021-06-03 2021-09-07 吴婷 Automatic cutting device for pressure pipeline leakage
CN113500245A (en) * 2021-09-13 2021-10-15 江苏华兮网络科技工程有限公司 Portable pipe non-cutting device and using method thereof
CN214556614U (en) * 2021-04-09 2021-11-02 佛山市雷龙自动化设备有限公司 Non-deformation cutting structure for round pipe
CN113926935A (en) * 2021-09-01 2022-01-14 大汉科技股份有限公司 Pipe cutting device and system
CN216262931U (en) * 2021-10-18 2022-04-12 广州创和物流产业有限公司 Square pipe cutting-off die and stamping mechanism

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227393A (en) * 1979-01-03 1980-10-14 Anvil Corporation Method and apparatus for punching openings in tubes
JP2007038260A (en) * 2005-08-03 2007-02-15 Honda Motor Co Ltd Method and apparatus for press-cutting end part of pipe
CN201464124U (en) * 2009-08-21 2010-05-12 中国第一重型机械股份公司 Enclosed positioning device for pressure testing of steel pipe
ES2372377A1 (en) * 2010-06-25 2012-01-19 Fineblanking Press Systems, S.L. Stamping press
CN202162257U (en) * 2011-05-24 2012-03-14 惠州市升华工业有限公司 Square pipe cut-off die
CN205600012U (en) * 2016-03-31 2016-09-28 合肥超越电器有限责任公司 Device is blocked in processing of box -like step -down of hot pressing pipe
CN205660032U (en) * 2016-06-02 2016-10-26 重庆钢铁(集团)有限责任公司 Metal tubular product die cutting machine constructs
CN106141285A (en) * 2016-08-30 2016-11-23 江门银特银数控机床有限公司 A kind of pipe fitting block lathe
CN210761526U (en) * 2019-07-22 2020-06-16 海格电气(惠州)有限公司 Automatic lifting sealing connecting piece mechanism for stamping production
CN211250183U (en) * 2019-08-07 2020-08-14 河南寅兴牧业设备有限公司 Pipe cutter
CN211247907U (en) * 2019-11-21 2020-08-14 海宁美惠机械有限公司 Sofa base side plate integrated forming die
CN211757903U (en) * 2020-01-19 2020-10-27 山东安固达仓储设备有限公司 Square pipe punching and cutting die
CN213378723U (en) * 2020-09-26 2021-06-08 华北易安德脚手架制造有限公司 Steel pipe section bar die cutting machine
CN214556614U (en) * 2021-04-09 2021-11-02 佛山市雷龙自动化设备有限公司 Non-deformation cutting structure for round pipe
CN113357543A (en) * 2021-06-03 2021-09-07 吴婷 Automatic cutting device for pressure pipeline leakage
CN113926935A (en) * 2021-09-01 2022-01-14 大汉科技股份有限公司 Pipe cutting device and system
CN113500245A (en) * 2021-09-13 2021-10-15 江苏华兮网络科技工程有限公司 Portable pipe non-cutting device and using method thereof
CN216262931U (en) * 2021-10-18 2022-04-12 广州创和物流产业有限公司 Square pipe cutting-off die and stamping mechanism

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
涂序斌: "管材切断与剖切的模具设计", 《煤矿机械》 *
王班: "应用冲压技术进行方管切断加工的装备结构设计", 《锻压技术》 *
赵波等: "弯头冲压单片坡口仿形火焰切割机的研制", 《焊管》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116921976A (en) * 2023-09-18 2023-10-24 山西富兴通重型环锻件有限公司 High-efficient flange welding jig
CN116921976B (en) * 2023-09-18 2023-12-05 山西富兴通重型环锻件有限公司 High-efficient flange welding jig

Also Published As

Publication number Publication date
CN114570826B (en) 2022-08-12

Similar Documents

Publication Publication Date Title
CN114570826B (en) Pipeline punching press cuts device for construction based on incision control
WO1997002132A1 (en) High-speed and high-load cylinder device and method for controlling the same
JP2000135521A (en) Latch holding mechanism
CA2250404A1 (en) Vacuum hoisting device having a vertically suspended lifting tube
CN207104387U (en) A kind of automatic fixture
CN208146715U (en) A kind of semicanal part forming mold
CN214186528U (en) Grinding device for valve surface treatment
CN207710189U (en) A kind of air clamper
CN112610808B (en) Machine positioner convenient to adjustment position
CN209578722U (en) The short side buckle tool of aluminium plastic radiator gas chamber and main leaf assembly
CN210193679U (en) Positioning device for deep processing of quartz tube lighting fitting
CN220375761U (en) Full-automatic stone plate unloading machine
CN216143171U (en) Mechanical seal rotating ring installation limiting device
CN210188173U (en) Metal stamping die side-cut structure
CN219052713U (en) Blanking device for stamping hardware
CN220803224U (en) Accelerator production reaction kettle
CN220479776U (en) Plate forming testing machine
CN210480752U (en) Hydraulic supporting equipment
CN219561189U (en) Pneumatic mechanical arm for stamping robot
CN219242175U (en) Novel manual control pneumatic proportional valve
CN219561293U (en) Auxiliary feeding device of press
CN216747171U (en) Automatic regulating device for exhaust pipe of hydraulic press
CN220280594U (en) Portable hydraulic device
CN209851078U (en) Seal gasket perforating device
CN216768392U (en) Novel limit switch device of switch valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220720

Address after: 272069 No. 6, Hehua Road, taibaihu new area, Jining City, Shandong Province

Applicant after: SHANDONG POLYTECHNIC College

Address before: 610000 No. 2, Jitou Beishun street, Wuhou District, Chengdu, Sichuan

Applicant before: Sichuan Siyu Communication Engineering Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220812