CN210550284U - Hand-held type steel pipe cutting device - Google Patents
Hand-held type steel pipe cutting device Download PDFInfo
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- CN210550284U CN210550284U CN201921582122.0U CN201921582122U CN210550284U CN 210550284 U CN210550284 U CN 210550284U CN 201921582122 U CN201921582122 U CN 201921582122U CN 210550284 U CN210550284 U CN 210550284U
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Abstract
The utility model discloses a hand-held type steel pipe cutting device, relate to the steel pipe production and processing technology field, solved the inconvenient technical problem of carrying of current steel pipe cutting equipment, the utility model discloses a rotation axis, be provided with the cutting hole on the terminal surface of rotation axis, the both ends of rotation axis all are provided with the fixed axle, the one end of fixed axle is set up in the cutting hole, the other end of fixed axle is provided with spring jacket and jacket nut, be provided with mounting hole and chip removal hole on the rotation axis excircle, mounting hole and chip removal hole all communicate with the cutting hole, the drill way of mounting hole is provided with the screw rod locating piece, be provided with the motor in the mounting hole, the fixed emery wheel cutting piece that is provided with on the motor spindle, one end and the motor fixed connection of screw rod, the other end of screw rod passes the fixed hand; the utility model has the advantages of simple structure and convenient carrying.
Description
Technical Field
The utility model relates to a steel pipe production and processing technology field, more specifically relate to a hand-held type steel pipe cutting device for fields such as the production of steel pipe, processing and the application of steel pipe.
Background
Pipe cutting machine, mechanical equipment. The method is widely applied to industries such as petroleum, chemical industry, electric power, natural gas, metallurgy, shipbuilding, boilers, pharmacy, water treatment and the like, and pipeline installation engineering, pipeline maintenance and the like of new projects.
In the steel pipe production, often utilize laser to cut, digit control machine tool cutting and automatic cutout equipment cut, however laser cutting equipment cost is high, equipment is expensive, be unfavorable for the production use of well small enterprise, and traditional digit control machine tool cutting and automatic cutout equipment carry inconveniently, and can't use under narrow environment again, especially under the narrower condition of storehouse that the steel pipe was deposited, or under the condition that less steel pipe in batches cut off, the needs of production and manufacturing just can not be satisfied to current equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the inconvenient technical problem of current steel pipe cutting equipment carrying, the utility model provides a hand-held type steel pipe cutting device.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a hand-held steel pipe cutting device comprises a rotating shaft, wherein a cutting hole penetrating through the rotating shaft is formed in the end face of the rotating shaft, a fixed shaft rotatably connected with the rotating shaft is arranged at each of two ends of the rotating shaft, a steel pipe passing hole penetrating through the fixed shaft is fixedly formed in the end face of the fixed shaft, one end of the fixed shaft is arranged in the cutting hole, a spring jacket and a jacket nut are arranged at the other end of the fixed shaft, the jacket nut is in threaded connection with the fixed shaft, a mounting hole and a chip removal hole are formed in the excircle of the rotating shaft, the mounting hole and the chip removal hole are communicated with the cutting hole, a screw rod positioning block fixedly connected with the rotating shaft is arranged at the orifice of the mounting hole, a motor is arranged in the mounting hole, a grinding wheel cutting piece is fixedly arranged on a motor spindle, a screw rod, the screw rod is connected with the screw rod positioning block through threads.
The working principle is as follows: the steel pipe is inserted from the steel pipe through hole of the fixed shaft, the spring jacket clamps the steel pipes in the fixed shafts at two ends of the rotating shaft to prevent the steel pipes from rotating, the motor is started to screw the screw rod to cut the abrasive cutting blade into the steel pipes, the rotating shaft or the fixed shaft is rotated by hands to cut the excircle of the whole steel pipe by the abrasive cutting blade rotating at high speed, so that the steel pipe is cut off, the jacket nut is screwed to loosen the steel pipe by the spring jacket, the cut steel pipe is taken off, the screw rod is rotated after the cutting off is finished, and the motor and the abrasive cutting blade are pulled into the mounting hole from the cutting hole. Through setting up the rotation axis and with the fixed axle that the rotation axis rotation is connected, let rotation axis and fixed axle can the rotation each other, motor and emery wheel cutting piece that set up at the rotation axis can carry out the rotary cutting with the excircle of the steel pipe in the fixed axle, let the steel pipe cut while rotating, consequently as long as the depth of cut of emery wheel cutting piece can lead to the excircle cutting of steel pipe somewhere just can cut off whole steel pipe, just so can reduce the demand of emery wheel cutting piece diameter, reduce the volume of this device, let this device realize convenient to carry's effect.
Further, the fixed shaft is arranged to be a stepped shaft and comprises a first stepped shaft and a second stepped shaft, the outer diameter of the first stepped shaft is smaller than that of the second stepped shaft, the second stepped shaft of the fixed shaft is arranged in the cutting hole, a rolling bearing is sleeved on the outer circle of the first stepped shaft of the fixed shaft, the inner circle of the rolling bearing is fixedly arranged on the outer circle of the first stepped shaft, and the outer circle of the rolling bearing is embedded into the cutting hole. Through the cover be equipped with antifriction bearing on the fixed axle excircle, can let fixed axle and rotation axis rotate more smoothly, let fixed axle or rotation axis more laborsaving at the pivoted in-process.
Furthermore, a bearing cover is sleeved on the excircle of the first-stage shaft of the fixed shaft and is fixedly connected with the rotating shaft.
Furthermore, a thrust bearing and a positioning nut are sleeved on the first-stage shaft excircle of the fixing shaft, an upper ring of the thrust bearing is in contact with the bearing cover, a lower ring of the thrust bearing is in contact with the positioning nut, and an external thread matched with the positioning nut is arranged on the first-stage shaft excircle of the fixing shaft. Through set up footstep bearing and set nut on the fixed axle, set nut can prevent that the fixed axle from dropping from the rotation axis, and the setting of footstep bearing can let set nut and rotation axis slip each other, further reduces the frictional force between fixed axle and the rotation axis.
Furthermore, a screw mounting hole penetrating through the screw positioning block is formed in the screw positioning block, the screw mounting hole is a threaded through hole, and the center line of the screw mounting hole is parallel to or coincident with the center line of the mounting hole.
The utility model has the advantages as follows:
1. through setting up the rotation axis and with the fixed axle that the rotation axis rotation is connected, let rotation axis and fixed axle can the rotation each other, motor and emery wheel cutting piece that set up at the rotation axis can carry out the rotary cutting with the excircle of the steel pipe in the fixed axle, let the steel pipe cut while rotating, consequently as long as the depth of cut of emery wheel cutting piece can lead to the excircle cutting of steel pipe somewhere just can cut off whole steel pipe, just so can reduce the demand of emery wheel cutting piece diameter, reduce the volume of this device, let this device realize convenient to carry's effect.
2. Through the cover be equipped with antifriction bearing on the fixed axle excircle, can let fixed axle and rotation axis rotate more smoothly, let fixed axle or rotation axis more laborsaving at the pivoted in-process.
3. Through set up footstep bearing and set nut on the fixed axle, set nut can prevent that the fixed axle from dropping from the rotation axis, and the setting of footstep bearing can let set nut and rotation axis slip each other, further reduces the frictional force between fixed axle and the rotation axis.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a sectional view of the rotary shaft.
Reference numerals: 1-spring jacket, 2-jacket nut, 3-fixed shaft, 4-positioning nut, 5-thrust bearing, 6-bearing cover, 7-rolling bearing, 8-rotating shaft, 9-screw, 10-screw positioning block, 11-motor, 12-abrasive cutting disc, 13-mounting hole, 14-chip removal hole and 15-cutting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in FIGS. 1 to 3, the present embodiment provides a hand-held steel pipe cutting device, which comprises a rotating shaft outer diameter 8, a cutting hole outer diameter 15 penetrating the outer diameter of the rotating shaft outer diameter 8 is provided on the end surface of the rotating shaft outer diameter 8, a fixed shaft outer diameter 3 rotatably connected to the rotating shaft outer diameter 8 is provided on both ends of the rotating shaft outer diameter 8, a steel pipe passing hole penetrating the fixed shaft outer diameter 3 is fixedly provided on the end surface of the fixed shaft outer diameter 3, one end of the fixed shaft outer diameter 3 is disposed within the cutting hole outer diameter 15, the other end of the fixed shaft outer diameter 3 is provided with a spring collet outer diameter 1 and a collet nut outer diameter 2, the collet nut outer diameter 2 is in threaded connection with the fixed shaft outer diameter 3, a mounting hole outer diameter 13 and a chip removal hole outer diameter 14 are provided on the outer, the outer diameter of the mounting hole 13 and the outer diameter of the chip removal hole 14 are communicated with the outer diameter of the cutting hole 15, the orifice of the outer diameter of the mounting hole 13 is provided with a screw positioning block outer diameter 10 which is fixedly connected with the outer diameter of the rotating shaft 8, the outer diameter of the motor 11 is arranged in the outer diameter of the mounting hole 13, the outer diameter of the grinding wheel cutting blade 12 is fixedly arranged on the main shaft of the outer diameter of the motor 11, the outer diameter of the screw 9 is arranged on the shell of the outer diameter of the motor 11, one end of the outer diameter of the screw 9 is fixedly connected with the outer diameter of the motor 11, the other end of the outer diameter of the screw 9 passes through the screw positioning block outer diameter 10 and then is fixedly provided.
The 3 external diameters of fixed axle external diameter set up to the step shaft, and 3 external diameters of fixed axle external diameter include first step axle and second step axle, and the external diameter of first step axle is less than the external diameter of second step axle, and the second step axle setting of 3 external diameters of fixed axle external diameter is in cutting hole external diameter 15 external diameters, and the cover is equipped with 7 external diameters of antifriction bearing on the first step axle external diameter of 3 external diameters of fixed axle external diameter, and the inner circle of 7 external diameters of antifriction bearing is fixed to be set up on first step axle external diameter, and the outer lane embedding of 7 external diameters of antifriction bearing cuts in hole external diameter 15 external. Through the cover on 3 external diameter excircles of fixed axle external diameter 3 the external diameter 7 external diameters of antifriction bearing, can let 3 external diameters of fixed axle external diameter rotate more smoothly with 8 external diameters of rotation axis external diameter, let 3 external diameters of fixed axle external diameter or 8 external diameters of rotation axis more laborsaving at the pivoted in-process.
The first-step shaft excircle of the outer diameter of the fixed shaft 3 is sleeved with a bearing cover outer diameter 6, and the outer diameter of the bearing cover outer diameter 6 is fixedly connected with the outer diameter of the rotating shaft outer diameter 8.
The first-step shaft excircle of the outer diameter of the fixed shaft 3 is sleeved with an outer diameter 5 of a thrust bearing and an outer diameter 4 of a positioning nut, the upper ring of the outer diameter 5 of the thrust bearing is in outer diameter contact with an outer diameter 6 of a bearing cover, the lower ring of the outer diameter 5 of the thrust bearing is in outer diameter contact with the outer diameter 4 of the positioning nut, and the first-step shaft excircle of the outer diameter 3 of the fixed shaft is provided with an external thread matched with the outer diameter 4 of the positioning nut. Through establishing footstep bearing external diameter 5 external diameter and set nut external diameter 4 external diameter on fixed axle external diameter 3 external diameter, set nut external diameter 4 external diameter can prevent that fixed axle external diameter 3 external diameter from dropping from rotation axis external diameter 8 external diameter, and the setting up of footstep bearing external diameter 5 external diameter can let set nut external diameter 4 external diameter and rotation axis external diameter 8 external diameter slide each other, further reduces the frictional force between fixed axle external diameter 3 external diameter and the rotation axis external diameter 8 external diameter.
And a screw mounting hole penetrating through the outer diameter of the screw positioning block 10 is formed in the outer diameter of the screw positioning block 10, the screw mounting hole is a threaded through hole, and the center line of the screw mounting hole is parallel to or coincided with the center line of the outer diameter of the mounting hole 13.
Example 2
The utility model discloses a theory of operation and application method do: ensuring that the outer diameter of a motor outer diameter 11 and the outer diameter of a grinding wheel cutting piece outer diameter 12 are within the outer diameter of a mounting hole outer diameter 13, inserting a steel pipe into a through hole of the steel pipe with the outer diameter of a fixed shaft outer diameter 3, clamping the steel pipe with the outer diameter of a spring jacket outer diameter 1 in the outer diameter of the fixed shaft outer diameter 3 at two ends of the outer diameter of a rotating shaft 8, preventing the steel pipe from rotating, starting the outer diameter of the motor outer diameter 11, screwing the outer diameter of a screw rod outer diameter 9, allowing the outer diameter of the grinding wheel cutting piece outer diameter 12 to cut into the steel pipe, rotating the outer diameter of the rotating shaft outer diameter 8 or the outer diameter of the fixed shaft outer diameter 3 by hand, allowing the outer diameter of the grinding wheel cutting piece outer diameter 12 rotating at high speed to finish cutting the outer circle of the whole steel pipe, thereby cutting the steel pipe, screwing the outer diameter, the outer diameter of the motor outer diameter 11 and the outer diameter of the grinding wheel cutting piece outer diameter 12 are pulled from the inner diameter of the cutting hole outer diameter 15 to the inner diameter of the mounting hole outer diameter 13. Through setting up 8 external diameters of rotation axis external diameter and the fixed axle external diameter 3 external diameters of being connected with 8 external diameters of rotation axis rotation, let 8 external diameters of rotation axis external diameter and 3 external diameters of fixed axle external diameter can the rotation each other, motor external diameter 11 external diameters and emery wheel cutting piece external diameter 12 external diameters that set up on 8 external diameters of rotation axis external diameter can carry out the rotary cutting with the excircle of the steel pipe in the 3 external diameters of fixed axle external diameter, let the steel pipe rotate while cutting, consequently as long as the cutting depth of 12 external diameters of emery wheel cutting piece external diameter can cut off whole steel pipe with the excircle cutting expert of steel pipe somewhere, just so can reduce the demand of 12 external diameters of emery wheel cutting piece external diameter, reduce the volume of this device, let this device realize convenient to carry's.
And a screw mounting hole penetrating through the outer diameter of the screw positioning block 10 is formed in the outer diameter of the screw positioning block 10, the screw mounting hole is a threaded through hole, and the center line of the screw mounting hole is parallel to or coincided with the center line of the outer diameter of the mounting hole 13.
Example 3
As shown in FIGS. 1 to 3, the present embodiment provides a hand-held steel pipe cutting device, which comprises a rotating shaft outer diameter 8, a cutting hole outer diameter 15 penetrating the outer diameter of the rotating shaft outer diameter 8 is provided on the end surface of the rotating shaft outer diameter 8, a fixed shaft outer diameter 3 rotatably connected to the rotating shaft outer diameter 8 is provided on both ends of the rotating shaft outer diameter 8, a steel pipe passing hole penetrating the fixed shaft outer diameter 3 is fixedly provided on the end surface of the fixed shaft outer diameter 3, one end of the fixed shaft outer diameter 3 is disposed within the cutting hole outer diameter 15, the other end of the fixed shaft outer diameter 3 is provided with a spring collet outer diameter 1 and a collet nut outer diameter 2, the collet nut outer diameter 2 is in threaded connection with the fixed shaft outer diameter 3, a mounting hole outer diameter 13 and a chip removal hole outer diameter 14 are provided on the outer, the outer diameter of the mounting hole 13 and the outer diameter of the chip removal hole 14 are communicated with the outer diameter of the cutting hole 15, the orifice of the outer diameter of the mounting hole 13 is provided with a screw positioning block outer diameter 10 which is fixedly connected with the outer diameter of the rotating shaft 8, the outer diameter of the motor 11 is arranged in the outer diameter of the mounting hole 13, the outer diameter of the grinding wheel cutting blade 12 is fixedly arranged on the main shaft of the outer diameter of the motor 11, the outer diameter of the screw 9 is arranged on the shell of the outer diameter of the motor 11, one end of the outer diameter of the screw 9 is fixedly connected with the outer diameter of the motor 11, the other end of the outer diameter of the screw 9 passes through the screw positioning block outer diameter 10 and then is fixedly provided.
The 3 external diameters of fixed axle external diameter set up to the step shaft, and 3 external diameters of fixed axle external diameter include first step axle and second step axle, and the external diameter of first step axle is less than the external diameter of second step axle, and the second step axle setting of 3 external diameters of fixed axle external diameter is in cutting hole external diameter 15 external diameters, and the cover is equipped with 7 external diameters of antifriction bearing on the first step axle external diameter of 3 external diameters of fixed axle external diameter, and the inner circle of 7 external diameters of antifriction bearing is fixed to be set up on first step axle external diameter, and the outer lane embedding of 7 external diameters of antifriction bearing cuts in hole external diameter 15 external. Through the cover on 3 external diameter excircles of fixed axle external diameter 3 the external diameter 7 external diameters of antifriction bearing, can let 3 external diameters of fixed axle external diameter rotate more smoothly with 8 external diameters of rotation axis external diameter, let 3 external diameters of fixed axle external diameter or 8 external diameters of rotation axis more laborsaving at the pivoted in-process.
The first-step shaft excircle of the outer diameter of the fixed shaft 3 is sleeved with a bearing cover outer diameter 6, and the outer diameter of the bearing cover outer diameter 6 is fixedly connected with the outer diameter of the rotating shaft outer diameter 8.
The first-step shaft excircle of the outer diameter of the fixed shaft 3 is sleeved with an outer diameter 5 of a thrust bearing and an outer diameter 4 of a positioning nut, the upper ring of the outer diameter 5 of the thrust bearing is in outer diameter contact with an outer diameter 6 of a bearing cover, the lower ring of the outer diameter 5 of the thrust bearing is in outer diameter contact with the outer diameter 4 of the positioning nut, and the first-step shaft excircle of the outer diameter 3 of the fixed shaft is provided with an external thread matched with the outer diameter 4 of the positioning nut. Through establishing footstep bearing external diameter 5 external diameter and set nut external diameter 4 external diameter on fixed axle external diameter 3 external diameter, set nut external diameter 4 external diameter can prevent that fixed axle external diameter 3 external diameter from dropping from rotation axis external diameter 8 external diameter, and the setting up of footstep bearing external diameter 5 external diameter can let set nut external diameter 4 external diameter and rotation axis external diameter 8 external diameter slide each other, further reduces the frictional force between fixed axle external diameter 3 external diameter and the rotation axis external diameter 8 external diameter.
Claims (5)
1. A hand-held steel pipe cutting device is characterized by comprising a rotating shaft (8), wherein a cutting hole (15) penetrating through the rotating shaft (8) is formed in the end face of the rotating shaft (8), fixing shafts (3) rotatably connected with the rotating shaft (8) are arranged at two ends of the rotating shaft (8), a steel pipe passing hole penetrating through the fixing shafts (3) is fixedly formed in the end face of each fixing shaft (3), one end of each fixing shaft (3) is arranged in the cutting hole (15), a spring jacket (1) and a jacket nut (2) are arranged at the other end of each fixing shaft (3), the jacket nuts (2) are in threaded connection with the fixing shafts (3), a mounting hole (13) and a chip removal hole (14) are formed in the outer circle of the rotating shaft (8), the mounting hole (13) and the chip removal hole (14) are communicated with the cutting hole (15), a screw positioning block (10) fixedly connected with the rotating shaft (8) is arranged at the orifice of, a motor (11) is arranged in the mounting hole (13), a grinding wheel cutting blade (12) is fixedly arranged on a main shaft of the motor (11), a screw rod (9) is arranged on a shell of the motor (11), one end of the screw rod (9) is fixedly connected with the motor (11), a hand wheel is fixedly arranged after the other end of the screw rod (9) penetrates through a screw rod positioning block (10), and the screw rod (9) is connected with the screw rod positioning block (10) through threads.
2. The hand-held steel pipe cutting device according to claim 1, wherein the fixed shaft (3) is provided as a stepped shaft, the fixed shaft (3) comprises a first stepped shaft and a second stepped shaft, the outer diameter of the first stepped shaft is smaller than that of the second stepped shaft, the second stepped shaft of the fixed shaft (3) is arranged in the cutting hole (15), a rolling bearing (7) is sleeved on the outer circle of the first stepped shaft of the fixed shaft (3), the inner circle of the rolling bearing (7) is fixedly arranged on the outer circle of the first stepped shaft, and the outer circle of the rolling bearing (7) is embedded in the cutting hole (15).
3. The hand-held steel pipe cutting device according to claim 2, wherein a bearing cover (6) is sleeved on the excircle of the first-stage shaft of the fixed shaft (3), and the bearing cover (6) is fixedly connected with the rotating shaft (8).
4. The hand-held steel pipe cutting device according to claim 3, wherein the thrust bearing (5) and the positioning nut (4) are sleeved on the excircle of the first-stage shaft of the fixed shaft (3), the upper ring of the thrust bearing (5) is in contact with the bearing cover (6), the lower ring of the thrust bearing (5) is in contact with the positioning nut (4), and the excircle of the first-stage shaft of the fixed shaft (3) is provided with an external thread matched with the positioning nut (4).
5. The hand-held steel pipe cutting device according to claim 4, wherein the screw positioning block (10) is provided with a screw mounting hole penetrating through the screw positioning block (10), the screw mounting hole is a threaded through hole, and the center line of the screw mounting hole is parallel to or coincident with the center line of the mounting hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921582122.0U CN210550284U (en) | 2019-09-23 | 2019-09-23 | Hand-held type steel pipe cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921582122.0U CN210550284U (en) | 2019-09-23 | 2019-09-23 | Hand-held type steel pipe cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN210550284U true CN210550284U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921582122.0U Active CN210550284U (en) | 2019-09-23 | 2019-09-23 | Hand-held type steel pipe cutting device |
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| CN (1) | CN210550284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059865A (en) * | 2020-09-21 | 2020-12-11 | 苏州浩耐特磨具有限公司 | Grinding wheel grinding machine with broken shaft power switching function and broken shaft power switching method |
-
2019
- 2019-09-23 CN CN201921582122.0U patent/CN210550284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059865A (en) * | 2020-09-21 | 2020-12-11 | 苏州浩耐特磨具有限公司 | Grinding wheel grinding machine with broken shaft power switching function and broken shaft power switching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hand held steel pipe cutting device Effective date of registration: 20210607 Granted publication date: 20200519 Pledgee: Gansu financial holding Jiayuguan Financing Guarantee Co.,Ltd. Pledgor: Gansu Lisheng steel pipe manufacturing Co.,Ltd. Registration number: Y2021620000008 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220521 Granted publication date: 20200519 Pledgee: Gansu financial holding Jiayuguan Financing Guarantee Co.,Ltd. Pledgor: Gansu Lisheng steel pipe manufacturing Co.,Ltd. Registration number: Y2021620000008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hand-held steel pipe cutting device Effective date of registration: 20220617 Granted publication date: 20200519 Pledgee: Gansu financial holding Jiayuguan Financing Guarantee Co.,Ltd. Pledgor: Gansu Lisheng steel pipe manufacturing Co.,Ltd. Registration number: Y2022620000015 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230620 Granted publication date: 20200519 Pledgee: Gansu financial holding Jiayuguan Financing Guarantee Co.,Ltd. Pledgor: Gansu Lisheng steel pipe manufacturing Co.,Ltd. Registration number: Y2022620000015 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A handheld steel pipe cutting device Effective date of registration: 20230707 Granted publication date: 20200519 Pledgee: Gansu financial holding Jiayuguan Financing Guarantee Co.,Ltd. Pledgor: Gansu Lisheng steel pipe manufacturing Co.,Ltd. Registration number: Y2023980047568 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |