阅读说明：本技术 一种用于线管切割的剪管器 (Pipe shearing device for cutting spool ) 是由 孔思 慕雷 张志军 王林明 刘强 梁怀刚 路赞赞 李健 蔡建桢 侯宇 邵永明 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种用于线管切割的剪管器,包括内部具有空腔的安装壳、转动安装在安装壳上的安装套管、转动安装在安装壳上的施力件、位于安装壳内将安装套管和施力件传动连接的传动件、以及安装在安装套管上的切割件,所述切割件包括固接在安装套管远离传动件一端的套环,所述套环上均匀间隔布置有弹性夹片,所述弹性夹片面向套环轴线的一侧固接有切割齿,所述弹性夹片的外侧设置有将所有弹性夹片整体收紧的固定件。本发明的用于线管切割的剪管器能够对线管进行环切,提高剪管效率,解决了传统工具施工成本高、浪费人工的问题。(The invention discloses a pipe shearing device for cutting a spool, which comprises an installation shell with a cavity inside, an installation sleeve rotatably installed on the installation shell, a force application part rotatably installed on the installation shell, a transmission part positioned in the installation shell and used for driving and connecting the installation sleeve and the force application part, and a cutting part installed on the installation sleeve, wherein the cutting part comprises a lantern ring fixedly connected to one end of the installation sleeve far away from the transmission part, elastic clamping pieces are uniformly arranged on the lantern ring at intervals, cutting teeth are fixedly connected to one side, facing the axis of the lantern ring, of each elastic clamping piece, and a fixing part for integrally tightening all the elastic clamping pieces is arranged on the outer side of each elastic clamping piece. The pipe shearing device for cutting the pipe can perform circular cutting on the pipe, improves the pipe shearing efficiency, and solves the problems of high construction cost and labor waste of the traditional tool.)

1. A pipe cutter for cutting line pipe which characterized in that: install installation casing (2) on installation casing (1), rotate including inside have the cavity, rotate and install application of force spare on installation casing (1), be located installation casing (1) driving medium (4) that will install casing (2) and application of force spare transmission and be connected and install cutting member (5) on installation casing (2), cutting member (5) include that the rigid coupling keeps away from lantern ring (51) of driving medium (4) one end at installation casing (2), even interval is arranged elasticity clamping piece (52) on lantern ring (51), elasticity clamping piece (52) have cutting tooth (53) towards one side rigid coupling of lantern ring (51) axis, the outside of elasticity clamping piece (52) is provided with mounting (6) that wholly tightens up all elasticity clamping piece (52).

2. A pipe cutter for line pipe cutting according to claim 1 wherein: the transmission piece (4) comprises a first bevel gear (41) and a second bevel gear (42) which are meshed with each other, the first bevel gear (41) is coaxially and fixedly connected with the mounting sleeve (2), and the second bevel gear (42) is coaxially and fixedly connected with the force application piece.

3. A pipe cutter for line pipe cutting according to claim 1 wherein: the lantern ring (51) is detachably connected with the installation sleeve (2).

4. A pipe cutter for line pipe cutting according to claim 1 wherein: the fixing piece (6) is selected from a worm transmission type hose hoop.

5. A pipe cutter for line pipe cutting according to claim 1 wherein: the utility model discloses a pipe cutter, including installation shell (1), pipe cutter (20), it includes that the installation shell is fixed outside is provided with and carries out fixed pipe holder (7) to waiting to cut spool (7), pipe holder (7) include vertical support piece (71), rigid coupling in lower arc (72) at support piece (71) top and detain last arc (73) of establishing on lower arc (72), be provided with between lower arc (72) and last arc (73) and compress tightly fixed subassembly (8) with last arc (73).

6. A pipe cutter for pipe cutting according to claim 5 wherein: fixed subassembly (8) are including articulated joint piece (82) on connecting bolt (81) and threaded connection on connecting bolt (81) free end on arc (72) lateral wall down, go up the joint groove (731) that are equipped with on the outer edge of arc (73) and connect bolt (81) adaptation.

7. A pipe cutter for pipe cutting according to claim 5 wherein: the supporting piece (71) comprises a supporting sleeve (711) which is vertically arranged and a supporting rod (712) which is slidably arranged in the supporting sleeve (711), and a limiting piece (9) which limits the sliding of the supporting rod (712) is arranged on the supporting sleeve (711).

8. A pipe cutter for pipe cutting according to claim 7 wherein: the limiting piece (9) comprises a transmission shaft (91) horizontally penetrating through the support sleeve (711), one end of the transmission shaft (91) is located in the support sleeve (711), the other end of the transmission shaft is located outside the support sleeve (711), one end, located in the support sleeve (711, of the transmission shaft (91) is fixedly connected with a limiting gear (92), a rack (93) is arranged on the support rod (712), the limiting gear (92) is meshed with the rack (93), and the width of the tooth surface of the limiting gear (92) is smaller than that of the tooth surface of the rack (93); the end portion of the transmission shaft (91) located outside the sleeve is fixedly connected with a hand wheel (94), a fixing block (95) is fixedly connected to the transmission shaft (91) and between the hand wheel (94) and the outer wall of the supporting sleeve (711), and a counter sink (713) matched with the fixing block (95) is formed in the outer wall of the supporting sleeve (711).

9. A pipe cutter for line pipe cutting according to claim 8 wherein: the fixed block (95) is gear-shaped.

10. A pipe cutter for pipe cutting according to claim 7 wherein: two guide rods (714) are vertically arranged on the support rod (712), the guide rods (714) are located on two sides of the rack (93), and a sliding groove is formed in the support sleeve (711).

Technical Field

The invention relates to the technical field of pipeline cutting, in particular to a pipe shearing device for cutting a wire pipe.

Background

When laying the emission to the pipeline for electrical equipment, because the diameter and the length of the pipeline of the same specification that produce are unanimous size, and when laying the pipeline, because the restriction of interior space size to need cut the pipeline, cut into required length with the pipeline, then splice fixedly again, make laying that the pipeline can be reasonable in the position that needs laid.

At present, when pipelines are laid on a construction site, due to the limitation of site space and site electric power conditions, steel guide pipes are sawed manually by steel saws, and the construction process is time-consuming and labor-consuming and influences the construction progress. Therefore, an economically feasible pipe shearing tool is required to complete the quick pipe shearing process.

Disclosure of Invention

The invention aims to provide a pipe shearing device for cutting a pipe, which can perform circular cutting on the pipe, improve the pipe shearing efficiency and solve the problems of high construction cost and labor waste of the traditional tool.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a cut a tub ware for spool cutting, has the installation shell of cavity, rotates the installation sleeve pipe of installing on the installation shell including inside, rotates the application of force piece of installing on the installation shell, be located the installation shell with the driving medium that installation sleeve pipe and application of force piece transmission are connected and install the cutting member on the installation sleeve pipe, the cutting member includes that the rigid coupling keeps away from the lantern ring of driving medium one end at the installation sleeve pipe, even interval arrangement has the elasticity clamping piece on the lantern ring, the elasticity clamping piece has the cutting tooth towards one side rigid coupling of lantern ring axis, the outside of elasticity clamping piece is provided with the mounting that wholly tightens up all elasticity clamping pieces.

By adopting the technical scheme, when the electric spool is cut, the spool is arranged in the cutting part and the mounting sleeve in a penetrating mode, then the spool is fixed, the elastic clamping piece is tightened by the fixing piece, the cutting teeth of the elastic clamping piece are abutted against the outer wall of the spool, the fixing piece provides stable clamping force, then the force application piece is manually rotated to drive the mounting sleeve and the cutting part to synchronously rotate, the cutting teeth perform circular cutting on the spool, and the cutting efficiency is higher; and after the cutting teeth cut to a certain depth, the cutting parts can be tightened for the second time, so that the cutting effect is guaranteed, and the phenomenon that the pressure of the cutting teeth on the wire pipe is too large to protect the cutting teeth is avoided.

The invention is further configured to: the transmission part comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is coaxially and fixedly connected with the mounting sleeve, and the second bevel gear is coaxially and fixedly connected with the force application part.

Through adopting above-mentioned technical scheme, when rotating the application of force crank, drive second bevel gear and rotate, through gear tooth meshing transmission, order about first bevel gear and installation sleeve pipe synchronous rotation, realize the application of force crank to the rotation control of installation sleeve pipe.

The invention is further configured to: the lantern ring is detachably connected with the installation sleeve.

Through adopting above-mentioned technical scheme, make the cutting member can directly change or maintain, prolong the life of cutting the pipe ware.

The invention is further configured to: the fixing piece is selected from a worm transmission type hose hoop.

By adopting the technical scheme, the hoop is tightened by screwing the worm, and all the elastic clamping pieces are driven to move towards the axis of the lantern ring; and the worm cooperates with the hoop to enable each elastic clamping piece to be stressed and tightened up evenly, so that the cutting teeth are prevented from being stressed unevenly to influence the cutting effect.

The invention is further configured to: the installation shell is outside fixed to be provided with and carries out the pipe holder of fixing to waiting to cut the spool, pipe holder includes vertical support piece, rigid coupling and detains the last arc of establishing on the arc under at the lower arc at support piece top, be provided with the fixed subassembly of arc pressure fastening fixed on lower arc and last arc.

Through adopting above-mentioned technical scheme, the spool is placed under on the arc, and the fixed subassembly of rethread is pressed from both sides the spool and is pressed from both sides tight between upper and lower arc, realizes the fixed mounting of spool.

The invention is further configured to: the fixed subassembly is including articulated on the arc lateral wall down connecting bolt and the joint piece of threaded connection on the connecting bolt free end, go up the outer edge of arc and be equipped with the joint groove with connecting bolt adaptation.

Through adopting above-mentioned technical scheme, the connecting bolt rotates to the joint inslot, then rotatory joint piece, and the joint piece supports presses on the joint groove to it is fixed under on the arc to go up the arc suppression.

The invention is further configured to: the support piece comprises a support sleeve and a support rod, the support sleeve is vertically arranged, the support rod is arranged in the support sleeve in a sliding mode, and a limiting piece for limiting the support rod to slide is arranged on the support sleeve.

Through adopting above-mentioned technical scheme, the setting up of support sleeve and bracing piece makes support piece height-adjustable to the spool of different pipe diameters is with the installation sleeve centering.

The invention is further configured to: the limiting part comprises a transmission shaft horizontally penetrating through the support sleeve, one end of the transmission shaft is positioned in the support sleeve, the other end of the transmission shaft is positioned outside the support sleeve, one end of the transmission shaft positioned in the support sleeve is fixedly connected with a limiting gear, a rack is arranged on the support rod, the limiting gear is meshed with the rack, and the tooth surface width of the limiting gear is smaller than that of the rack; the end part of the transmission shaft, which is positioned outside the sleeve, is fixedly connected with a hand wheel, fixed blocks are fixedly connected on the transmission shaft, between the hand wheel and the outer wall of the support sleeve, and a countersunk hole matched with the fixed blocks is formed in the outer wall of the support sleeve.

Through adopting above-mentioned technical scheme, when the fixed block was embedded in the countersunk hole, can restrict the transmission shaft and rotate to the relative motion between spacing tooth of restriction and the rack reaches the purpose of fixed bracing piece. When the height of the supporting rod needs to be adjusted, the transmission shaft is pulled, the fixing block is pulled out from the countersunk hole, and then the height of the supporting rod is directly adjusted manually.

The invention is further configured to: the fixed block is gear-shaped.

Through adopting above-mentioned technical scheme, the fixed block sets up to the gear form can carry out more subtle regulation to the height of bracing piece.

The invention is further configured to: two guide rods are vertically arranged on the support rod and located on two sides of the rack, and sliding grooves are formed in the support sleeve.

Through adopting above-mentioned technical scheme, the guide bar slides and sets up in the spout, and both cooperations play direction and spacing effect to the bracing piece to make the gliding more steady smoothness of bracing piece in the support sleeve.

In conclusion, the invention has the following beneficial effects:

1. the cutting device has the advantages that the corresponding small pipe shearing device is prepared for cutting the pipe, the pipe is fixed in the cutting piece and the mounting sleeve during cutting, then the acting force of the cutting piece on the pipe is adjusted, the cutting piece rotates to perform circular cutting on the pipe, the cutting efficiency is higher, secondary tightening can be performed after the pipe is cut to a certain depth, the cutting effect is guaranteed, and meanwhile, the phenomenon that the pressure of the cutting teeth acting on the pipe is too high, and the cutting teeth are protected is avoided;

2. the elastic clamping pieces are tightened by the worm transmission type hose hoop and move towards the axis of the lantern ring, and the worm is matched with the hoop, so that all the elastic clamping pieces are uniformly stressed and tightened, and the cutting effect is prevented from being influenced by uneven stress of the cutting teeth;

3. the height of the supporting piece is adjusted through meshing of the gear and the rack, on one hand, the adjusting precision is high, the centering of the line pipe and the installation sleeve is facilitated, on the other hand, the relative movement between the gear and the rack is limited, the purpose of fixing the supporting rod can be achieved, and the whole adjusting process is fast and convenient.

Drawings

FIG. 1 is a schematic structural diagram of a pipe cutter in the embodiment;

FIG. 2 is a schematic structural view of a cutter in the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic structural diagram of the supporting member and the limiting member in the embodiment.

In the figure, 1, a housing is installed; 11. sealing the cover; 12. a bearing seat; 13. a fixing plate; 2. installing a sleeve; 21. carrying out top thread; 3. a force application crank; 4. a transmission member; 41. a first bevel gear; 42. a second bevel gear; 5. cutting the piece; 51. a collar; 52. an elastic clip; 53. cutting teeth; 6. a fixing member; 7. a pipe holding device; 71. a support member; 711. a support sleeve; 712. a support bar; 713. a countersunk hole; 714. a guide bar; 72. a lower arc-shaped plate; 73. an upper arc plate; 731. a clamping groove; 8. a fixing assembly; 81. a connecting bolt; 82. a clamping block; 83. connecting lugs; 9. a limiting member; 91. a drive shaft; 92. a limit gear; 93. a rack; 94. a hand wheel; 95. a fixed block; 20. a conduit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A pipe cutter for cutting a pipe is shown in figure 1 and comprises a mounting shell 1 which is rectangular in shape, wherein the mounting shell 1 is hollow, the top of the mounting shell is open, and a sealing cover 11 capable of closing or opening the top of the mounting shell is hinged to the mounting shell. An installation sleeve 2 and a force application crank 3 are horizontally arranged on two vertical side walls of the installation shell 1, which are vertical to each other, in a penetrating manner respectively, and the installation shell 1 is arranged through the installation sleeve 2; a bearing seat 12 is arranged inside the mounting shell 1, and the part of the mounting sleeve 2 and the force application crank 3 extending into the mounting seat is matched with the bearing seat 12, so that the mounting shell 1 is rotatably mounted.

The interior of the mounting shell 1 is also provided with a transmission piece 4, the transmission piece 4 comprises a first bevel gear 41 and a second bevel gear 42 which are meshed with each other, the first bevel gear 41 is coaxially fixedly connected with the mounting sleeve 2, and the second bevel gear 42 is coaxially fixedly connected with the force application crank 3; when the force application crank 3 is rotated, the second bevel gear 42 is driven to rotate, and the first bevel gear 41 and the mounting sleeve 2 are driven to synchronously rotate through gear tooth meshing transmission, so that the rotation control of the force application crank 3 on the mounting sleeve 2 is realized.

The end part of the installation casing 2, which is located outside the installation shell 1, is detachably provided with a cutting part 5, as shown in fig. 1 and 2, the cutting part 5 comprises a lantern ring 51, and the lantern ring 51 is coaxial with the installation casing 2 and penetrates through the installation casing 2; the end of the installation casing 2 is connected with a jackscrew 21 in a threaded manner, and the jackscrew 21 penetrates through the wall of the installation casing 2 and is pressed against the collar 51, so that the collar 51 is fixed in the installation casing 2.

One side of the lantern ring 51, which is far away from the installation sleeve 2, extends uniformly along the axis to form elastic clamping pieces 52, the elastic clamping pieces 52 are distributed annularly, one side of the elastic clamping pieces 52, which faces the axis of the lantern ring 51, is fixedly connected with cutting teeth 53, and the outer side of each elastic clamping piece 52 is provided with a fixing piece 6 for integrally tightening all the elastic clamping pieces 52; in this embodiment, the fixing member 6 may be a worm-drive hose hoop, which is tightened by turning the worm, thereby driving all the resilient clips 52 to move toward the axis of the collar 51.

As shown in fig. 1, a fixing plate 13 is horizontally and fixedly arranged at the bottom of the mounting shell 1 and on the same side as the mounting sleeve 2, a pipe holding device 7 is fixedly connected to the fixing plate 13, the pipe holding device 7 includes a supporting member 71 vertically fixed to the upper surface of the fixing plate 13, a lower arc plate 72 is fixedly connected to the top of the supporting member 71, an upper arc plate 73 is buckled on the lower arc plate 72, and a fixing assembly 8 for compressing and fixing the upper arc plate 73 is arranged between the lower arc plate 72 and the upper arc plate 73.

As shown in fig. 3, the fixing assembly 8 includes a connecting bolt 81 and a clamping block 82, one end of the connecting bolt 81 is hinged to a connecting lug 83, the connecting lug 83 is fixedly connected to the side wall of the lower arc-shaped plate 72, the other end of the connecting bolt 81 is provided with an external thread, the clamping block 82 is in threaded connection with the connecting bolt 81, and the clamping block 82 can be a hexagon nut. The fixing assemblies 8 are provided in two sets in this embodiment, symmetrically distributed on both sides of the lower arc-shaped plate 72.

The end part of the upper arc-shaped plate 73 is provided with a clamping groove 731 with the diameter matched with that of the connecting bolt 81, so that the connecting bolt 81 can vertically rotate into the clamping groove 731; then, the engaging block 82 is rotated, and the engaging block 82 abuts against the engaging groove 731, so that the upper arc plate 73 is pressed and fixed on the lower arc plate 72.

Further, the supporting member 71 is height-adjustable, and specifically, as shown in fig. 4, the supporting member 71 includes a supporting sleeve 711 vertically fixed on the fixing plate 13 and a supporting rod 712 slidably disposed in the supporting sleeve 711, and an inner diameter of the supporting rod 712 is adapted to an inner diameter of the supporting sleeve 711. The supporting sleeve 711 is further provided with a limiting part 9 for fixing the supporting rod 712, the limiting part 9 comprises a transmission shaft 91 horizontally penetrating through the supporting sleeve 711, the transmission shaft 91 is connected with the outer wall of the supporting sleeve 711 in a sliding manner, one end of the transmission shaft 91, which is located in the supporting sleeve 711, is fixedly connected with a limiting gear 92, one side of the supporting rod 712, which faces the limiting gear 92, is provided with racks 93 distributed in the vertical direction, the limiting gear 92 is meshed with the racks 93, and the thickness of the limiting gear 92 is smaller than the width of the racks 93; the end of the transmission shaft 91 outside the support sleeve 711 is fixedly connected with a hand wheel 94 for driving the transmission shaft 91 to move.

A fixing block 95 is fixedly connected to the transmission shaft 91 and between the hand wheel 94 and the outer wall of the support sleeve 711, the fixing block 95 is of a polygonal structure and is integrally arranged with the transmission shaft 91, a counter bore 713 matched with the fixing block 95 is formed in the outer wall of the support sleeve 711, and the transmission shaft 91 can slide on the support sleeve 711 along the axis of the transmission shaft 91, so that the fixing block 95 can be accommodated in the counter bore 713.

When the fixing block 95 is embedded in the countersunk hole 713, the transmission shaft 91 is restricted from rotating, so that the relative movement between the limit gear 92 and the rack 93 is restricted, and the purpose of fixing the support rod 712 is achieved. When the height of the supporting rod 712 needs to be adjusted, the transmission shaft 91 is pulled to pull the fixing block 95 out of the counter bore 713, and then the height of the supporting rod 712 is directly adjusted manually.

The fixing block 95 is arranged in a gear shape and is in one-to-one correspondence with the teeth of the limit gear 92, and correspondingly, the shape of the countersunk hole 713 is matched with that of the fixing block 95; in this manner, the height of the support rod 712 can be more finely adjusted.

Two guide rods 714 are symmetrically arranged on the support rod 712 and located on two sides of the rack 93, the guide rods 714 are distributed along the vertical direction, corresponding sliding grooves are formed in the support sleeve 711, the guide rods 714 are arranged in the sliding grooves in a sliding mode, and the guide rods 714 and the support rod 712 are matched to play a role in guiding and limiting the support rod 712, so that the support rod 712 can slide in the support sleeve 711 more stably and smoothly.

When the electric spool 20 is cut, firstly, the spool 20 is arranged in the cutting part 5 and the installation sleeve 2 in a penetrating way, then the height of the supporting part 71 is adjusted, the spool 20 and the installation sleeve 2 are coaxial, then the spool 20 is clamped and fixed between the upper arc-shaped plate 72 and the lower arc-shaped plate 72 through the fixing component 8, after the spool 20 is fixed, the worm transmission type hose hoop is used for tightening the elastic clamping piece 52, the cutting teeth 53 of the elastic clamping piece 52 are abutted against the outer wall of the spool 20, the hoop provides stable clamping force, then the force application crank 3 is manually rotated to drive the installation sleeve 2 and the cutting part 5 to synchronously rotate, the cutting teeth 53 perform circular cutting on the spool 20, and the cutting efficiency is higher; and after cutting tooth 53 cuts to certain degree of depth, accessible worm gear formula hose hoop secondary tightens up, when guaranteeing cutting effect, avoids cutting tooth 53 to act on the pressure on spool 20 too big, plays the effect of protection to cutting tooth 53.

The maximum diameter of the electric wire tube 20 is 37mm, so the side length of the installation shell 1 can be set to be 100mm, the whole volume of the installation shell 1 is small, and the installation shell is convenient for workers to carry and transfer. Installation casing 2 runs through setting up installation shell 1 for spool 20 can directly pass installation shell 1 through installation casing 2, avoids because of spool 20 overlength, and spool cutting position can't counterpoint with cutting member 5, in order to guarantee that the pipe cutter normally carries out the pipe cutting operation.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.