CN216707320U

CN216707320U - Electric screw joint pipe tongs

Info

Publication number: CN216707320U
Application number: CN202122222032.4U
Authority: CN
Inventors: 周云龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-06-10
Anticipated expiration: 2031-09-14

Abstract

The utility model provides an electric screw pipe connecting clamp, which relates to the technical field of hardware electric tools and comprises pipe clamp heads sleeved at the top of a pressure rod, a transmission part is installed in a pipe clamp body at the lower end of a supporting and conveying part, a lithium battery is installed inside the lower end of a pipe clamp shell, the problems that the prior chain type pipe clamp needs to be manually operated to waste time and labor when adjusting a clamping port, the reached efficiency is not high, meanwhile, the clamping port of the chain type pipe clamp is easy to be rubbed and damaged, but the damaged pipe clamp is directly abandoned to cause certain waste exist in the prior art, the technical means that the size of the clamping port of the pipe clamp is adjusted through electromotion and the pipe clamp is divided into two parts to be better replaced by the pipe clamp head are realized, and the technical effects of more convenience, time saving, labor saving and certain resources saving when adjusting the clamping port of the pipe clamp are realized.

Description

Electric screw joint pipe wrench

Technical Field

The utility model relates to the technical field of hardware electric tools, in particular to an electric screw pipe connecting clamp.

Background

Generally be chain formula breakout tongs on the market, chain formula breakout tongs contains pincers handle and one end and pincers handle articulated chain, the front end of pincers handle is equipped with the tooth with the chain meshing, further, the chain passes through the hitch plate and is articulated with the pincers handle, the one end of chain is articulated with the one end of hitch plate promptly, the other end and the pincers handle of hitch plate are articulated, the tooth of the front end of pincers handle is the circular arc and distributes, present chain formula breakout tongs need manual waste time and energy when carrying out the regulation of clamping mouth, and the efficiency that reaches is not high, the easy friction of clamping mouth department of chain formula breakout tongs is impaired simultaneously, nevertheless impaired breakout tongs directly abandons and causes certain waste phenomenon.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an electric screw pipe tongs, which aims to solve the technical problems that the clamping opening of the existing chain type pipe tongs needs to be manually adjusted, time and labor are wasted, the achieved efficiency is not high, meanwhile, the clamping opening of the chain type pipe tongs is easy to be damaged by friction, and the damaged pipe tongs are directly discarded to cause certain waste.

The utility model relates to an electric screw pipe connecting clamp, which is achieved by the following specific technical means:

the utility model provides an electronic silk meets breakout tongs, includes the breakout tongs shell, the top of breakout tongs shell is fixed with the breakout tongs body, and the both ends of breakout tongs body all run through there is the depression bar, and the both ends of breakout tongs body all run through and install the hasp, and the breakout tongs head has all been cup jointed at the top of depression bar, and the both sides of depression bar one end all are equipped with the indent, all runs through between breakout tongs head and the depression bar has the spliced pole, and the top of breakout tongs body is installed and is held in the palm and send the part, holds in the palm and send the part including: a gear, the lower extreme meshing of a gear has transmission tooth piece, and the lower extreme of transmission tooth piece is fixed with the transfer line, asks to send and installs drive disk assembly in the pipe tong body of part lower extreme, and drive disk assembly is including: no. two tooth pieces, the lower extreme meshing between No. two tooth pieces has the meshing piece, and the bottom of meshing piece is fixed with the transmission shaft, and the bottom and the positive and negative motor of transmission shaft are connected, and the internally mounted of breakout tongs shell lower extreme has the lithium cell.

Further preferred embodiments are as follows: the pipe pincers shell that pipe pincers body lower extreme corresponds is last to install the switch, and the switch is connected with positive and negative motor, and the lithium cell is connected with positive and negative motor simultaneously to the bottom of pipe pincers shell is equipped with the interface that charges.

Further preferred is the following scheme: the inside of the pipe clamp head is provided with a bearing, and a belt is sleeved between the bearings.

Further preferred embodiments are as follows: the supporting and conveying component also comprises: the rotary column, the conveyer belt, a connecting axle and a center pin, the rotary column is all installed at the both ends at pipe tongs body top, the conveyer belt has been cup jointed between the rotary column, and the middle part of rotary column all runs through and rotates and be provided with the center pin No. one, the center pin protrusion sets up, and convex outer wall department all is equipped with the gear, corresponding one side of a center pin all has a meshing piece with gear engagement, the other end of a meshing piece all is fixed with a connecting axle, the other end of a connecting axle just is fixed with the gear No. one.

Further preferred is the following scheme: the transmission part also comprises: the runner, No. two connecting axles, No. two center pins and No. two nibbles the piece, the both ends of the transmission tooth piece of transfer line lower extreme all mesh and have No. two tooth pieces, the other end of No. two tooth pieces all is fixed with the connecting axle No. two, and the other end of No. two connecting axles all is fixed with No. two nibbles the piece, No. two nibbles piece and No. two center pin meshes, No. two center pins all are equipped with on the outer wall that corresponds the department with No. two nibbles a meshed gear, cup joint on No. two center pins simultaneously and rotate there is the runner.

Further preferred embodiments are as follows: a steel pipe is clamped between the belt and the conveying belt.

Further preferred embodiments are as follows: one side department that the depression bar corresponds all is equipped with the sawtooth, and the depression bar length size on both sides is all unanimous, and the outer wall of runner all is equipped with the sawtooth simultaneously, and the runner outer wall sets up the sawtooth and all meshes with the sawtooth on the depression bar and correspond.

Further preferred is the following scheme: the pipe wrench head and the pipe wrench body are two independent parts and are arranged separately.

Further preferred embodiments are as follows: the hasp including: lower depression bar, last depression bar, briquetting and screw thread post, the both sides of pipe clamp body upper end all run through there are last depression bar and lower depression bar, run through between the rear end of going up depression bar and lower depression bar and have screw thread post, and the front end corresponding face of going up depression bar and lower depression bar all is fixed with the briquetting simultaneously, and the briquetting corresponds with the indent.

Has the advantages that:

1. when the electric screw pipe tongs are positively rotated by a positive and negative motor, a transmission shaft positively rotates to drive an engagement block to rotate, the engagement block can drive a second tooth block at two ends to rotate in the same direction, the second tooth block can drive a corresponding second connecting shaft to rotate when rotating, so as to drive the corresponding second engagement block to rotate in the same direction to be engaged with a corresponding second central shaft to rotate, the rotating wheels at two ends are driven to rotate in the same direction, the rotating wheels are engaged with corresponding pressure rod sawteeth, so that the effect of simultaneously moving the pressure rods upwards is achieved, and simultaneously when the positive and negative motor is reversely rotated, the pressure rods can be driven to move downwards, so that the adjustment of different distances between a conveyor belt and a belt is achieved, the clamping of different steel pipes is more convenient, and the complicated defect of the transmission manual adjustment type pipe tongs is replaced under the effect of automatically adjusting the distance between clamping openings of the pipe tongs electrically, thereby improving the application range of the pipe wrench while improving the efficiency more conveniently.

2. When the electric screw pipe connecting clamp is positioned between a belt and a conveying belt through the adjustment of the distance between a pipe clamp body and a pipe clamp head, the screw thread column can be rotated clockwise at the moment, the upper pressure rod is enabled to move downwards to be close to the lower pressure rod, the pressing block can be driven to enter the pressing groove to press the corresponding pressure rod, the stable and immovable movement of the pressure rod is achieved, the transmission gear can be rotated under the condition that the meshing block drives the second tooth blocks at two ends to rotate when the positive and negative motors rotate forwards, the transmission gear positioned at the upper end of the transmission rod can be driven to rotate in the same direction under the rotation of the transmission rod when the transmission gear rotates, the first gear at two ends can be driven to rotate in the same direction, so that the rotary columns at two ends can be driven to rotate in the same direction, the conveying belt can be driven to rotate when the conveying belt rotates, the forward rolling of the steel pipe between the steel pipe clamp body and the belt can be promoted, and the tightening effect of the steel pipe can be achieved, just reach the steel pipe and unscrew the effect when positive and negative motor reversal, make it more convenient and fast when carrying out the screwing up and the unscrewing of steel pipe, can make the depression bar shift up gradually and keep away from depression bar down when anticlockwise rotating the screw thread post simultaneously, can drive the briquetting and keep away from the indent that corresponds this moment, alright reach the relaxation of depression bar, make it also more convenient laborsaving when dismantling the steel pipe.

3. This kind of electronic pipe wrench connects the spliced pole through anticlockwise rotation, makes to connect and breaks away from the depression bar inside gradually to carry out the dismantlement of pipe binding clip, make it more convenient when changing the pipe binding clip, can not directly abandon whole pipe wrench because single pipe binding clip has bad simultaneously, cause the waste, make it reach the saving of certain resource under the convenient change effect of carrying out the pipe binding clip.

Drawings

FIG. 1 is a schematic view of the overall external plan structure of the pipe wrench of the present invention.

FIG. 2 is a schematic view of the overall internal structure of the pipe wrench of the present invention.

Fig. 3 is a schematic plan view of the carrying and transmission member of the present invention.

Fig. 4 is a schematic view of the linkage structure of the carrying component and the transmission component of the present invention.

FIG. 5 is a schematic view of the latch and the pressing rod of the present invention.

FIG. 6 is a schematic view of the external plane structure of a conventional pipe wrench according to the present invention.

In fig. 1 to 6, the correspondence between the component names and the reference numbers is: a pipe wrench shell-1, a switch-101, a lithium battery-102, a positive and negative motor-103, a transmission shaft-1031, an engagement block-1032, a pipe wrench body-2, a pipe wrench head-3, a bearing-301, a belt-302, a connection column-4, a pressure lever-5, a pressure groove-501, a carrying part-6, a rotary column-601, a transmission belt-602, a first connecting shaft-603, a first central shaft-604, a first gear-605, a first engagement block-606, a transmission part-7, a rotary wheel-701, a second connecting shaft-702, a second central shaft-703, a second tooth block-704, a second engagement block-705, a lock catch-8, a lower pressure lever-801, an upper pressure lever-802, a pressure block-803, a threaded column-804, a steel pipe-9, a transmission rod-10 and a transmission gear block-1001.

Detailed Description

Example (b):

as shown in figures 1 to 5: the utility model provides an electronic screw coupling breakout tongs, includes pipe tongs shell 1, and the top of pipe tongs shell 1 is fixed with pipe tongs body 2, installs switch 101 on the pipe tongs shell 1 that 2 lower extremes of pipe tongs body correspond simultaneously, and the both ends of pipe tongs body 2 all run through and are equipped with depression bar 5, and the both ends of pipe tongs body 2 all run through and install hasp 8, and hasp 8 specifically is: 2 departments of breakout tongs body that 5 both ends of depression bar correspond run through and have gone up depression bar 802 and lower depression bar 801, go up and run through between depression bar 802 and the lower rear end of depression bar 801 and have threaded post 804, it all is fixed with briquetting 803 to go up the front end corresponding face of depression bar 802 and lower depression bar 801 simultaneously, depression bar 5 and last depression bar 802 and the both sides that lower depression bar 801 corresponds the end all are equipped with indent 501, and the top of depression bar 5 has all cup jointed breakout tongs head 3, all run through between breakout tongs head 3 and the depression bar 5 and have spliced pole 4, bearing 301 is installed to breakout tongs head 3's inboard, belt 302 has been cup jointed between bearing 301, the top of breakout tongs body 2 is installed and is held in the palm and send part 6, hold in the palm and send part 6 specifically to be: the two ends of the top of the pipe wrench body 2 are both provided with rotating columns 601, a conveyor belt 602 is sleeved between the rotating columns 601, and the middle part of the rotary column 601 is provided with a first central shaft 604 in a penetrating and rotating way, the first central shaft 604 is arranged in a protruding way, and the convex outer wall is provided with gears, one side corresponding to the first central shaft 604 is engaged with the gears to form a first engaging block 606, the other end of the first engaging block 606 is fixed with a first connecting shaft 603, the other end of the first connecting shaft 603 is fixed with a first gear 605, the lower end of the first gear 605 is engaged with a transmission gear block 1001, and the lower end of the transmission gear block 1001 is fixed with the transmission rod 10, however, the top of the transmission shaft 1031 is also fixed with the transmission gear block 1001, the transmission gear blocks 1001 at the upper and lower ends of the transmission rod 10 are all in the same shape and size and are arranged in the opposite directions, and a transmission part 7 is arranged in the pipe wrench body 2 which is positioned at the lower end of the supporting and conveying part 6, and the transmission part 7 is specifically as follows: two ends of a transmission tooth block 1001 positioned at the lower end of the transmission rod 10 are respectively engaged with a second tooth block 704, the other end of the second tooth block 704 is respectively fixed with a second connecting shaft 702, the other end of the second connecting shaft 702 is respectively fixed with a second engaging block 705, the second engaging block 705 is engaged with a second central shaft 703, the outer walls of the corresponding positions of the second central shaft 703 and the second engaging block 705 are respectively provided with a gear engaged with the second engaging block 705, the second central shaft 703 is sleeved and rotated with a rotating wheel 701, the lower ends between the second tooth blocks 704 at the two ends are engaged with an engaging block 1032, the bottom of the engaging block 1032 is fixedly provided with a transmission shaft 1031, the bottom of the transmission shaft 1031 is connected with a positive and negative motor 103, and a steel pipe 9 is clamped between the belt 302 and the transmission belt 602.

Wherein, the corresponding side of the pressure bar 5 at the two ends of the pipe wrench body 2 is provided with sawteeth, the length of the pressure bar 5 at the two sides is the same, the upper pressure bar 802 and the lower pressure bar 801 at the upper position of the lock catch 8 corresponding to the pressure bar 5 are respectively positioned at the two ends of the pressure bar 5, the pressing blocks 803 on the upper pressure bar 802 and the lower pressure bar 801 are both corresponding to the corresponding pressure groove 501 on the pressure bar 5, simultaneously the inner wall of the threaded post 804 penetrating through the corresponding upper pressure bar 802 is provided with threads corresponding to the outer wall of the threaded post 804, however, the inner wall of the lower pressure bar 801 penetrating through the threaded post 804 is not provided with threads, therefore, when the threaded post 804 rotates clockwise, the upper pressure bar 802 can be driven to move downwards to be close to the lower pressure bar 5, the pressing block 803 can be driven to press the corresponding pressure bar 5 in the pressure groove 501, the stable and immovable action of the pressure bar 5 can be achieved, when the threaded post 804 rotates counterclockwise, the upper pressure bar 502 can be driven to move upwards away from the lower pressure bar 501 gradually, at this time, the pressing block 803 can be driven to be away from the corresponding pressing groove 501, so that the compression bar 5 can be loosened, and the compression bar 5 can move at this time.

The belt 302 and the conveyor belt 602 are made of special wear-resistant materials, and the press rod 5, the pipe wrench body 2 and the pipe wrench head 3 are made of cast steel or plated steel, so that the friction of a steel pipe 9 which is located between the belt 302 and the conveyor belt 602 and needs to be clamped can be effectively reduced in the rotating process, and the damage to the steel pipe 9 is reduced.

Wherein, bearing 301 is automatic rotary type to depression bar 5 is also movable, does benefit to bearing 301 and can rotate automatically when receiving friction promotion, can be free up or down move when depression bar 5's promotion simultaneously, better reach the effect that depression bar 5 was adjusted from top to bottom.

Wherein, switch 101 is connected with positive and negative motor 103 and is used, press switch 101 can carry out the corotation of positive and negative motor 103, press two down switch 101 can carry out the antiport of positive and negative motor 103, press three down can carry out the stopping of positive and negative motor 103, and positive and negative motor 103 sets up as an organic whole with transmission shaft 1031, the timely start that carries out positive and negative motor 103 can be closed under switch 101's effect that can be better, lithium cell 102 is connected with positive and negative motor 103 simultaneously, thereby can better supply positive and negative motor 103 circular telegram to carry out normal use under lithium cell 102's effect, and the bottom of pipe clamp shell 1 is equipped with the interface that charges and supplies lithium cell 102 to charge the use.

Wherein, the breakout tongs head 3 and breakout tongs body 2 are two independent parts and separately set up, can break away from when depression bar 5 is inside at the rotation of spliced pole 4, alright carry out the dismantlement of breakout tongs head 3, and only need to cup joint breakout tongs head 3 again on the depression bar 5 at both ends when carrying out the installation of breakout tongs head 3 and run through spliced pole 4 again and carry out the stability of breakout tongs head 3 between depression bar 5 and breakout tongs head 3, reach the convenient effect of breakout tongs head 3 installation dismantlement, and the outer wall of spliced pole 4 is equipped with the screw thread, and spliced pole 4 runs through 5 inner walls departments of the depression bar that correspond and is equipped with the screw thread corresponding rather than the outer wall, make its spliced pole 4 more convenient more stable when rotating the dismantlement.

Wherein, the rotary column 601 is equipped with two sets of both ends that are located the conveyer belt 602 respectively and carries out cup jointing of conveyer belt 602, a connecting axle 603 and a gear 605 and a nibbling piece 606 all are equipped with two sets of settings that correspond respectively with rotary column 601 and use simultaneously, and a gear 605 equidirectional is close to the setting, therefore transmission tooth piece 1001 just is located and meshes the setting between two gear lower extremes, can be when positive and negative motor 103 corotation, carry out a gear 605 meshing rotation simultaneously in both ends when by transmission tooth piece 1001 pivoted, make the same orientation of a gear 605 at both ends rotate when transmission shaft 1031 rotates, thereby drive a nibbling piece 605 and drive rotary column 601 equidirectional rotation.

Wherein, the outer wall of runner 701 all is equipped with the sawtooth, and runner 701 outer wall sets up the sawtooth and all meshes with the sawtooth on the depression bar 5 and corresponds, can be when positive and negative motor 103 corotation, meshing piece 1032 that drives when having the transmission shaft 1031 to rotate can drive No. two tooth pieces 704 equidirectional rotations at meshing piece 1032 both ends down, No. two tooth pieces 704 rotate and can drive No. two corresponding meshing piece 705 equidirectional rotations, make runner 701 equidirectional rotations and the depression bar 5 meshing rotation that corresponds at both ends, make its depression bar 5 can up move simultaneously, can make its depression bar 5 down move simultaneously when positive and negative motor 1103 reversal.

The working principle is as follows: firstly, the distance between the pipe wrench head 3 and the pipe wrench body 2 can be adjusted according to the size of the steel pipe 9, and then the forward and reverse motors 103 can be rotated forward by pressing the switch 101, therefore, when the forward and reverse motors 103 rotate forward, the forward rotating transmission shaft 1031 can drive the meshing block 1032 to rotate, the meshing block 1032 can drive the second tooth blocks 704 at both ends to rotate in the same direction, the second tooth blocks 704 can drive the corresponding second connecting shafts 702 to rotate, the second connecting shafts 702 can drive the corresponding second meshing blocks 705 to rotate in the same direction to mesh with the corresponding second central shafts 703, so as to drive the rotating wheels 701 at both ends to rotate in the same direction, the rotating wheels 701 mesh with the corresponding saw teeth of the pressure lever 5, thus achieving the effect of simultaneously moving the pressure lever 5 downwards, and simultaneously, when the forward and reverse motors 103 rotate reversely, the pressure lever 5 can be driven to move upwards, thereby achieving the adjustment of different distances between the conveyor belt 602 and the belt 302, the clamping of different steel pipes 9 is more convenient, and at the same time, after the distance between the pipe wrench body 2 and the pipe wrench head 1 is adjusted, the steel pipe 9 can be positioned between the belt 302 and the conveyor belt 602, at the same time, the threaded column 804 can be rotated clockwise, the upper pressure bar 802 is driven to move downwards to be close to the lower pressure bar 801, the pressure block 803 can be driven to enter the pressure groove 501 to press the corresponding pressure bar 5, so as to achieve the purpose that the pressure bar 5 is stable and does not move, at the same time, the transmission gear 1001 can be rotated under the condition that the meshing block 1032 can drive the second tooth blocks 704 at two ends to rotate under the forward rotation of the forward and reverse motor, the transmission gear 1001 can be driven to rotate in the same direction under the rotation of the transmission rod 10, at the same time, the first gears 605 at two ends can be driven to rotate in the same direction, so as the rotary columns 601 at two ends are driven to rotate, the conveyor belt 602 can be driven to rotate when the rotary columns 601 rotate, the conveying belt 602 can promote the steel pipe 9 to roll forwards between the steel pipe 9 and the belt 302 when rotating, so as to achieve the effect of screwing the steel pipe 9, but the steel pipe 9 can roll backwards under the reverse rotation of the forward and reverse motors, so as to achieve the effect of unscrewing the steel pipe 9, so that the steel pipe 9 can be more conveniently and quickly clamped and screwed, meanwhile, the upper pressure rod 802 can be promoted to gradually move upwards to be away from the lower pressure rod 801 when the threaded column 804 is rotated anticlockwise, at the same time, the pressure block 803 can be driven to be away from the corresponding pressure groove 501, so as to achieve the loosening of the pressure rod 5, so that the steel pipe 9 can be more conveniently and labor-saving when being disassembled, finally, the connecting column 4 is rotated anticlockwise, so that the connecting column 4 is gradually separated from the inside of the pressure rod 5, so as to disassemble the pipe wrench 3, so as to be more convenient when the pipe wrench 3 is replaced, however, the pipe wrench 3 can be firstly sleeved on the pressure rods 5 at two ends, and then the connecting column is rotated clockwise 4 to penetrate into the pressure rods 5 for stabilization, the pipe wrench is prevented from directly abandoning the whole pipe wrench due to the fact that the single pipe wrench head 3 is damaged, waste is caused, and certain resources are saved under the effect of convenient replacement of the pipe wrench head 3.

Claims

1. The utility model provides an electronic silk union coupling pincers, includes pipe tongs shell (1), and the top of pipe tongs shell (1) is fixed with pipe tongs body (2), its characterized in that: both ends of pipe vice body (2) all run through depression bar (5), and the both ends of pipe vice body (2) all run through and install hasp (8), and the top of depression bar (5) has all cup jointed pipe vice head (3), and the both sides of depression bar (5) one end all are equipped with indent (501), all run through between pipe vice head (3) and depression bar (5) spliced pole (4), the top of pipe vice body (2) is installed and is held in the palm and send part (6), holds in the palm and send part (6) including: the pipe clamp comprises a first gear (605), wherein a transmission gear block (1001) is meshed at the lower end of the first gear (605), a transmission rod (10) is fixed at the lower end of the transmission gear block (1001), a transmission part (7) is installed in a pipe clamp body (2) at the lower end of a supporting and conveying part (6), and the transmission part (7) comprises: the pipe clamp comprises a second tooth block (704), wherein the lower end of the second tooth block (704) is meshed with a meshing block (1032), a transmission shaft (1031) is fixed to the bottom of the meshing block (1032), a positive and negative motor (103) is installed on the transmission shaft (1031), and a lithium battery (102) is installed inside the lower end of a pipe clamp shell (1).

2. The electric pipe threading pliers according to claim 1, wherein: the pipe clamp is characterized in that a switch (101) is mounted on a pipe clamp shell (1) corresponding to the lower end of the pipe clamp body (2), the switch (101) is connected with a positive and negative motor (103), a lithium battery (102) is connected with the positive and negative motor (103), and a charging interface is arranged at the bottom of the pipe clamp shell (1).

3. The electric pipe threading pliers according to claim 1, wherein: the bearing (301) is installed to the inboard of pipe binding clip (3), has cup jointed belt (302) simultaneously between bearing (301).

4. The electric pipe threading pliers according to claim 1, wherein: the delivery component (6) further comprises: rotating column (601), conveyer belt (602), connecting axle (603) and center pin (604), rotating column (601) are all installed to the both ends at pipe vice body (2) top, conveyer belt (602) has been cup jointed between rotating column (601), and the middle part of rotating column (601) all runs through to rotate and is provided with center pin (604), center pin (604) protrusion sets up, and convex outer wall department all is equipped with the gear, one corresponding one side of center pin (604) all has a nibbling piece (606) with gear engagement, the other end of a nibbling piece (606) all is fixed with connecting axle (603), the other end of a connecting axle (603) just is fixed with gear (605).

5. The electric pipe threading pliers according to claim 1, wherein: the transmission part (7) further comprises: runner (701), No. two connecting axles (702), No. two center pin (703) and No. two nibbles piece (705), the both ends of transmission tooth piece (1001) of transfer line (10) lower extreme all mesh No. two tooth pieces (704), the other end of No. two tooth pieces (704) all is fixed with No. two connecting axles (702), and the other end of No. two connecting axles (702) all is fixed with No. two nibbles piece (705), No. two nibbles piece (705) and No. two center pin (703) meshing, No. two center pin (703) all are equipped with the gear with No. two nibbles piece (705) meshing on the outer wall that corresponds department with No. two nibbles piece (705), No. two center pin (703) are gone up to cup joint the rotation and have runner (701) simultaneously.

6. The electric pipe wrench according to claim 3, wherein: and a steel pipe (9) is clamped between the belt (302) and the conveying belt (602).

7. The electric pipe threading pliers according to claim 1, wherein: one side department that depression bar (5) correspond all is equipped with the sawtooth, and depression bar (5) length size on both sides is all unanimous, and the outer wall of runner (701) all is equipped with the sawtooth simultaneously, and runner (701) outer wall sets up the sawtooth and all meshes with the sawtooth on depression bar (5) and corresponds.

8. The electric pipe wrench according to claim 1, wherein: the pipe clamp head (3) and the pipe clamp body (2) are two independent parts and are arranged separately.

9. The electric pipe threading pliers according to claim 1, wherein: the lock catch (8) comprises: depression bar (801), go up depression bar (802), briquetting (803) and screw thread post (804), the both sides of pipe vice body (2) upper end have all been run through and have been gone up depression bar (802) and depression bar (801), it has screw thread post (804) to run through between the rear end of going up depression bar (802) and depression bar (801), the front end of going up depression bar (802) and depression bar (801) corresponds the face all and is fixed with briquetting (803) simultaneously, briquetting (803) correspond with indent (501).