CN114743737A - Method and device for filling BTTZ mineral insulation fireproof cable magnesium oxide powder - Google Patents
Method and device for filling BTTZ mineral insulation fireproof cable magnesium oxide powder Download PDFInfo
- Publication number
- CN114743737A CN114743737A CN202210513700.5A CN202210513700A CN114743737A CN 114743737 A CN114743737 A CN 114743737A CN 202210513700 A CN202210513700 A CN 202210513700A CN 114743737 A CN114743737 A CN 114743737A
- Authority
- CN
- China
- Prior art keywords
- fireproof cable
- magnesium oxide
- oxide powder
- filling
- cam
- 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.)
- Pending
Links
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 40
- 239000000843 powder Substances 0.000 title claims abstract description 38
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 26
- 239000011707 mineral Substances 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000010009 beating Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/147—Feeding of the insulating material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention relates to the technical field of cable production auxiliary equipment, in particular to a method and a device for filling magnesium oxide powder into a BTTZ mineral insulation fireproof cable. The invention discloses a filling device for magnesium oxide powder of a BTTZ mineral insulated fireproof cable, which comprises a support, wherein the support is rotatably connected with a cam and a knocking rod, the cam is connected with a driving motor, one end of the knocking rod is in contact with the cam, the other end of the knocking rod is in contact with the insulated fireproof cable, and a reset tension spring is arranged between the support and the knocking rod. The invention aims to solve the technical problem that magnesium oxide powder is not filled in a process of pouring the magnesium oxide powder into a BTTZ mineral insulation fireproof cable.
Description
Technical Field
The invention relates to the technical field of cable production auxiliary equipment, in particular to a method and a device for filling magnesium oxide powder into a BTTZ mineral insulation fireproof cable.
Background
BTTZ is a rigid mineral cable with high fire performance. In the fire design codes of construction works, the fire fighting system must use mineral cables. The BTTZ mineral insulated cable has the advantages of high temperature resistance, fire resistance, explosion resistance, high mechanical strength, long service life and the like, and is widely used. The magnesium oxide is high-temperature resistant, the melting point is 2800 ℃, the magnesium oxide is not burnt at all, magnesium oxide powder is filled in the production process of the BTTZ mineral insulation fireproof cable to serve as a filling material, the insulation effect is achieved, and the cable can continuously maintain power supply under the condition of fire close to the melting point of copper.
However, in the existing production, in the process of pouring magnesia powder between a copper sheath and a copper conductor of the BTTZ mineral insulation fireproof cable, due to the fact that the magnesia powder is light in weight and falls off under the action of self gravity, the situation of incomplete filling is easy to occur, and the produced fireproof cable is unqualified in voltage withstanding test.
Therefore, those skilled in the art are devoted to develop a method and an apparatus for filling magnesium oxide powder in a BTTZ mineral insulated fireproof cable, which solve the problem of incomplete filling of magnesium oxide powder.
Disclosure of Invention
In view of the defects of the prior art, the invention discloses a method and a device for filling magnesium oxide powder into a BTTZ mineral insulation fireproof cable, and aims to solve the technical problem that the magnesium oxide powder cannot be filled in the process of filling the magnesium oxide powder into the BTTZ mineral insulation fireproof cable.
In order to achieve the purpose, the invention provides a filling device of magnesium oxide powder of a BTTZ mineral insulation fireproof cable, which comprises a support, wherein the support is rotatably connected with a cam and a knocking rod, the cam is connected with a driving motor, one end of the knocking rod is in contact with the cam, the other end of the knocking rod is in contact with the insulation fireproof cable, and a reset tension spring is arranged between the support and the knocking rod.
Preferably, the knocking rod comprises a rod body and a spherical head which are connected.
Preferably, a first connecting hole along the radial direction is formed in the rod body, a first bolt is arranged in the first connecting hole, a first mounting hole is formed in the support, a bearing seat is fixedly arranged in the first mounting hole, a connecting bearing is arranged in the bearing seat, and a shaft sleeve sleeved outside the first bolt is arranged in the connecting bearing.
Preferably, a second connecting hole along the radial direction is formed in the rod body, and a second bolt connected with the reset tension spring is installed in the second connecting hole.
Preferably, the bearing seat is provided with a mounting lug, the mounting lug is provided with a first screw hole, and the outer side of the first mounting hole is provided with a second screw hole corresponding to the first screw hole.
Preferably, the number of the connecting bearings is two, the outer side of the shaft sleeve is provided with a boss, and the two connecting bearings are respectively arranged on two sides of the boss.
Preferably, the support comprises a transverse plate and a vertical plate which are vertically and fixedly connected with each other, the transverse plate is provided with the first mounting hole, and the transverse plate is also provided with a second mounting hole for mounting the cam; the vertical plate is provided with a fixing hole, and a reinforcing plate is arranged between the vertical plate and the transverse plate.
Preferably, one end of the rod body, which is far away from the head, is provided with a third connecting hole along the radial direction, a wheel shaft is fixedly connected in the third connecting hole, and a roller wheel which is in contact with the cam is sleeved on the wheel shaft.
Preferably, a buffer spring is arranged between the rod body and the head.
The invention also provides a filling method of the BTTZ mineral insulation fireproof cable magnesia powder, which comprises the following steps:
1) providing a production line for filling magnesium powder into an insulating fireproof cable, wherein the insulating fireproof cable moves vertically;
2) providing a vibration device, wherein the vibration device is provided with an output end capable of swinging back and forth;
3) fixing a vibrating device on a production line for filling magnesium powder into the insulated fireproof cable;
4) the output end of the vibrating device is pressed on the insulated fireproof cable, so that the output end which swings in a reciprocating mode radially strikes a copper sheath of the insulated fireproof cable along the insulated fireproof cable, and the magnesium oxide powder filled compact edge fireproof cable is obtained.
The invention has the beneficial effects that:
through the design of cam and knocking the pole, when the cam rotated under driving motor's drive, the cam produced the effect to knocking the pole, simultaneously under the effect of extension spring that resets, knocked the pole and can produce reciprocal swing and knock insulating fireproof cable to make the magnesium oxide powder of filling between copper sheath and copper conductor fill under the effect of knocking vibrations and get more closely knit, improved the voltage resistance of the insulating fireproof cable of producing.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic left side view of an embodiment of the present invention;
FIG. 4 is a schematic structural view of the tapping rod of the present invention;
FIG. 5 is a schematic top view of the stand of the present invention;
FIG. 6 is a schematic top view of the bearing housing of the present invention;
FIG. 7 is a schematic sectional view taken along line A-A in FIG. 6;
FIG. 8 is a schematic view of the construction of the bushing of the present invention;
FIG. 9 is a schematic view of the construction of the cam of the present invention;
FIG. 10 is a schematic sectional view taken along line B-B in FIG. 9.
In the above drawings: 1. a support; 11. a first mounting hole; 12. a second mounting hole; 13. a bearing seat; 131. mounting a lug; 14. connecting a bearing; 15. a shaft sleeve; 151. a boss; 16. a transverse plate; 17. erecting the plate; 18. a fixing hole; 19. a reinforcing plate; 2. a cam; 21. a connecting portion; 22. a wheel portion; 221. a groove; 3. a knock bar; 31. a rod body; 311. a first connection hole; 312. a second connection hole; 313. a third connection hole; 32. a head; 33. a buffer spring; 4. a drive motor; 5. a return tension spring; 6. an insulated fireproof cable; 71. a first bolt; 72. a second bolt; 81. an axle; 82. and a roller.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention discloses a method and a device for filling magnesium oxide powder into a BTTZ mineral insulation fireproof cable, and aims to solve the technical problem that the magnesium oxide powder cannot be filled in a real manner in the process of filling the magnesium oxide powder into the BTTZ mineral insulation fireproof cable.
The invention provides a filling method of BTTZ mineral insulation fireproof cable magnesia powder, which comprises the following steps:
1) providing a production line for filling magnesium powder into an insulating fireproof cable, wherein the insulating fireproof cable moves vertically;
2) providing a vibration device, wherein the vibration device is provided with an output end capable of swinging back and forth;
3) fixing a vibrating device on a production line for filling magnesium powder into the insulated fireproof cable;
4) the output end of the vibrating device is pressed on the insulated fireproof cable, so that the output end which swings in a reciprocating manner radially strikes the copper sheath of the insulated fireproof cable along the insulated fireproof cable, and the tighter insulated fireproof cable filled with the magnesium oxide powder is obtained.
In order to realize the vibration filling of the BTTZ mineral insulation fireproof cable magnesia powder, as shown in figures 1 to 3, the invention provides a BTTZ mineral insulation fireproof cable magnesia powder filling device which comprises a support 1, wherein the support 1 is rotatably connected with a cam 2 and a knocking rod 3, the cam 2 is connected with a driving motor 4, one end of the knocking rod 3 is in contact with the cam 2, the other end of the knocking rod 3 is in contact with an insulation fireproof cable 6, and a reset tension spring 5 is arranged between the support 1 and the knocking rod 3.
On the other hand, the support 1 comprises a transverse plate 16 and a vertical plate 17 which are vertically and fixedly connected with each other, a first mounting hole 11 is formed on the transverse plate 16, and a second mounting hole 12 for mounting the cam 2 is further formed on the transverse plate 16. The vertical plate 17 is provided with a fixing hole 18, and the whole set of the vibration device can be fixed on a production line by installing screws in the fixing hole 18. Meanwhile, a reinforcing plate 19 is arranged between the vertical plate 17 and the transverse plate 16, so that the effects of increasing strength and supporting can be achieved.
In this embodiment, through cam 2 and the design of beating pole 3, when cam 2 rotated under driving motor 4's drive, cam 2 acted on beating pole 3, simultaneously under the effect of extension spring 5 that resets, it can produce reciprocal swing and beat insulating fireproof cable 6 to beat pole 3, thereby it more closely knit to make the magnesia powder of filling between copper sheathing and copper conductor fill under the effect of beating vibrations, improved the voltage resistance of the insulating fireproof cable 6 of producing.
As shown in fig. 4, the knocking lever 3 includes a lever body 31 and a spherical head 32 connected to each other, the lever body 31 is provided with a first connection hole 311, a second connection hole 312, and a third connection hole 313 along a radial direction, and the second connection hole 312 and the third connection hole 313 are located at both sides of the first connection hole 311. Be equipped with first bolt 71 in the first connecting hole 311, the one end and the body of rod 31 fixed connection of first bolt 71, the other end and the support 1 of first bolt 71 rotate to be connected. In addition, be equipped with buffer spring 33 between body of rod 31 and the head 32, for satisfying the cable of beating different cross-sectional dimensions, prevent to strike the too big copper sheath surface deformation that leads to of power, strike 3 heads of pole 32 and adopt spring coupling, can play the cushioning effect.
As shown in fig. 5 and fig. 1, a first mounting hole 11 is formed in the support 1, a bearing seat 13 is fixed in the first mounting hole 11, as shown in fig. 6 and fig. 7, a mounting lug 131 is formed on the bearing seat 13, a first screw hole is formed in the mounting lug 131, a second screw hole corresponding to the first screw hole is formed in the outer side of the first mounting hole 11, and the bearing seat 13 is fixed by screwing screws into the first screw hole and the second screw hole. Two connecting bearings 14 are installed in the bearing seat 13, a shaft sleeve 15 sleeved outside the first bolt 71 is installed in the connecting bearing 14, as shown in fig. 8, a boss 151 is installed on the outer side of the shaft sleeve 15, and the two connecting bearings 14 are deep groove ball bearings and are respectively installed on two sides of the boss 151.
In addition, a second bolt 72 is installed in the second connection hole 312, and the connection end of the return tension spring 5 is hung on the second bolt 72. As shown in fig. 9 and 10, the cam 2 includes a connecting portion 21 and a wheel portion 22 which are coaxial, the connecting portion 21 and the wheel portion 22 are provided with a through hole for mounting the output shaft of the driving motor 4 therethrough, the connecting portion 21 is further provided with a threaded hole in the radial direction, and the output shaft of the driving motor 4 is fixed by mounting a screw in the threaded hole. The wheel portion 22 is provided with a groove 221 to realize the function of the cam 2.
In this embodiment, under the condition that the first bolt 71 is rotatably matched with the knocking rod 3 through the action of the reset tension spring 5, when the cam 2 rotates, the cam 2 drives the knocking rod 3 to rotate around the first bolt 71, when the roller 82 is in contact with the outer circle of the cam 2, the tension spring is in a stretching state, when the groove 221 on the cam 2 rotates to the roller 82, the tension spring pulls the knocking rod 3 to knock the outer surface of the copper sheath of the insulated fireproof cable 6. Furthermore, a third connecting hole 313 is located at one end of the rod body 31, which is far away from the head 32, a wheel shaft 81 is fixedly connected in the third connecting hole 313, a roller 82 which is in contact with the cam 2 is sleeved on the wheel shaft 81, meanwhile, a threaded hole which penetrates through the third connecting hole 313 and is in the axial direction is further formed in one end of the rod body 31, which is far away from the head 32, and the wheel shaft 81 is reinforced by installing a screw in the threaded hole. In this embodiment, the roller 82 is provided, so that the tapping rod 3 and the cam 2 can move relatively more smoothly, and the tapping rod 3 can be reset conveniently.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a filling device of BTTZ mineral insulation fireproof cable magnesia powder which characterized in that: including support (1), support (1) rotates and is connected with cam (2) and strikes pole (3), cam (2) are connected with driving motor (4), strike the one end and the contact of cam (2) of pole (3), strike the other end and the contact of insulating fireproof cable (6) of pole (3), support (1) and strike and be equipped with between pole (3) extension spring (5) that resets.
2. The apparatus for filling magnesium oxide powder into BTTZ mineral-insulated fireproof cable according to claim 1, wherein: the knocking rod (3) comprises a rod body (31) and a spherical head (32) which are connected.
3. The apparatus for filling magnesium oxide powder into BTTZ mineral-insulated fireproof cable according to claim 2, wherein: seted up along radial first connecting hole (311) on the body of rod (31), be equipped with first bolt (71) in first connecting hole (311), be equipped with first mounting hole (11) on support (1), first mounting hole (11) internal fixation has bearing frame (13), install connection bearing (14) in bearing frame (13), it establishes to be equipped with in connection bearing (14) the axle sleeve (15) outside first bolt (71).
4. The apparatus for filling magnesium oxide powder into a BTTZ mineral insulated fireproof cable according to claim 3, wherein: and a second connecting hole (312) along the radial direction is formed in the rod body (31), and a second bolt (72) connected with the reset tension spring (5) is installed in the second connecting hole (312).
5. The apparatus for filling magnesium oxide powder into BTTZ mineral-insulated fireproof cable according to claim 3, wherein: the bearing seat (13) is provided with an installation lug (131), a first screw hole is formed in the installation lug (131), and a second screw hole corresponding to the first screw hole is formed in the outer side of the first installation hole (11).
6. The apparatus for filling magnesium oxide powder into BTTZ mineral-insulated fireproof cable according to claim 3, wherein: the number of the connecting bearings (14) is two, the outer side of the shaft sleeve (15) is provided with a boss (151), and the two connecting bearings (14) are respectively arranged on two sides of the boss (151).
7. The apparatus for filling magnesium oxide powder into a BTTZ mineral insulated fireproof cable according to claim 3, wherein: the support (1) comprises a transverse plate (16) and a vertical plate (17) which are mutually perpendicular and fixedly connected, the transverse plate (16) is provided with the first mounting hole (11), and the transverse plate (16) is also provided with a second mounting hole (12) for mounting the cam (2); the vertical plate (17) is provided with a fixing hole (18), and a reinforcing plate (19) is arranged between the vertical plate (17) and the transverse plate (16).
8. The apparatus for filling magnesium oxide powder into BTTZ mineral-insulated fireproof cable according to claim 2, wherein: one end of the rod body (31) far away from the head (32) is provided with a third connecting hole (313) along the radial direction, a wheel shaft (81) is fixedly connected in the third connecting hole (313), and a roller (82) which is in contact with the cam (2) is sleeved on the wheel shaft (81).
9. The apparatus for filling magnesium oxide powder into a BTTZ mineral insulated fireproof cable according to claim 3, wherein: a buffer spring (33) is arranged between the rod body (31) and the head (32).
10. A filling method of BTTZ mineral insulation fireproof cable magnesia powder is characterized in that: the method comprises the following steps:
1) providing a production line for filling magnesium powder into an insulating fireproof cable, wherein the insulating fireproof cable moves along the vertical direction;
2) providing a vibration device, wherein the vibration device is provided with an output end capable of swinging back and forth;
3) fixing a vibrating device on a production line for filling magnesium powder into the insulated fireproof cable;
4) the output end of the vibrating device is pressed on the insulating fireproof cable, so that the output end which swings in a reciprocating mode radially strikes a copper sheath of the insulating fireproof cable along the insulating fireproof cable, and the insulating fireproof cable which is tightly filled with the magnesium oxide powder is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210513700.5A CN114743737A (en) | 2022-05-12 | 2022-05-12 | Method and device for filling BTTZ mineral insulation fireproof cable magnesium oxide powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210513700.5A CN114743737A (en) | 2022-05-12 | 2022-05-12 | Method and device for filling BTTZ mineral insulation fireproof cable magnesium oxide powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114743737A true CN114743737A (en) | 2022-07-12 |
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ID=82286598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210513700.5A Pending CN114743737A (en) | 2022-05-12 | 2022-05-12 | Method and device for filling BTTZ mineral insulation fireproof cable magnesium oxide powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114743737A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB911155A (en) * | 1960-04-08 | 1962-11-21 | John Leonidas Mcrae | Compacting machine |
| JPH10295880A (en) * | 1997-04-24 | 1998-11-10 | Toyomaru Sangyo Kk | Ball hitting device for pachinko game machine |
| CN207727391U (en) * | 2017-12-05 | 2018-08-14 | 昆山市鑫泓建设工程有限公司 | A kind of pavement patching asphalt concrete flattening equipment |
| CN208201846U (en) * | 2018-03-06 | 2018-12-07 | 苏州大学 | A kind of cam ramming machine |
| CN209625920U (en) * | 2019-06-05 | 2019-11-12 | 成都联士科技有限公司 | A kind of powder filling copper pipe shaking device |
| CN211052975U (en) * | 2019-11-13 | 2020-07-21 | 衡东辉宏机械制造有限公司 | Welding auxiliary assembly of automobile punching part |
| CN112845835A (en) * | 2021-01-04 | 2021-05-28 | 陈玉冰 | Surface knocking device for mechanical parts of construction equipment |
-
2022
- 2022-05-12 CN CN202210513700.5A patent/CN114743737A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB911155A (en) * | 1960-04-08 | 1962-11-21 | John Leonidas Mcrae | Compacting machine |
| JPH10295880A (en) * | 1997-04-24 | 1998-11-10 | Toyomaru Sangyo Kk | Ball hitting device for pachinko game machine |
| CN207727391U (en) * | 2017-12-05 | 2018-08-14 | 昆山市鑫泓建设工程有限公司 | A kind of pavement patching asphalt concrete flattening equipment |
| CN208201846U (en) * | 2018-03-06 | 2018-12-07 | 苏州大学 | A kind of cam ramming machine |
| CN209625920U (en) * | 2019-06-05 | 2019-11-12 | 成都联士科技有限公司 | A kind of powder filling copper pipe shaking device |
| CN211052975U (en) * | 2019-11-13 | 2020-07-21 | 衡东辉宏机械制造有限公司 | Welding auxiliary assembly of automobile punching part |
| CN112845835A (en) * | 2021-01-04 | 2021-05-28 | 陈玉冰 | Surface knocking device for mechanical parts of construction equipment |
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Application publication date: 20220712 |
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| RJ01 | Rejection of invention patent application after publication |