CN110625330A - Installation and assembly process suitable for P60B.15 type ore-raking pulley - Google Patents
Installation and assembly process suitable for P60B.15 type ore-raking pulley Download PDFInfo
- Publication number
- CN110625330A CN110625330A CN201910581726.1A CN201910581726A CN110625330A CN 110625330 A CN110625330 A CN 110625330A CN 201910581726 A CN201910581726 A CN 201910581726A CN 110625330 A CN110625330 A CN 110625330A
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- Prior art keywords
- pulley
- bolt
- sleeve
- ball bearing
- radial ball
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- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 101100004029 Avena sativa P60B gene Proteins 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pulleys (AREA)
Abstract
The invention relates to an installation and assembly process suitable for a P60B.15 type scraper pulley, which comprises a hook and a pulley, wherein the lower end of the hook is provided with a connecting sleeve, the inner side of the connecting sleeve is provided with a round shoulder pin, the right side of the round shoulder pin is provided with a second gasket, the right end of the round shoulder pin is connected with an opening pin in a penetrating way, the outer side of the connecting sleeve is provided with a connecting bracket, the outer side of the pulley is provided with a side plate, the middle position of the inner side of the pulley is provided with a shaft sleeve, the inner side of the shaft sleeve is provided with a second bolt, and the outer side of the right end of the second bolt is provided with a third gasket and a first nut. The parts are simple and easy to understand when being assembled, and the installation of the scraper pulley is prospective.
Description
Technical Field
The invention belongs to the technical field of installation and assembly processes, and particularly relates to an installation and assembly process suitable for a P60B.15 type ore raking pulley.
Background
The P60B scraper loader uses two drums of winch to respectively pull main rope and tail rope to make the scraper move back and forth, and the loader can scrape the rock into the feeding chute and unload it into the mine car or skip from the discharging port of the chute. The scraper loader is used not only in the drift, but also in the inclined drift below 30 degrees, so that the tunneling speed is increased, and the tunneling mechanization is realized. The scraper loader is provided with a pneumatic pushing cylinder, and after the mine car is filled, the heavy car can be pushed out by the pneumatic pushing cylinder, so that the labor intensity of workers is reduced, the shunting time is shortened, and the tunneling speed is increased. However, the ore raking pulley in the prior art is simple in structure, cannot accurately work during assembly, wastes manpower and physical force, is complex to install, low in structural strength and easy to damage.
Disclosure of Invention
The invention aims to solve the technical problems and provides an installation and assembly process suitable for a P60B.15 type ore raking pulley.
In order to solve the technical problems, the invention provides the following technical scheme: an installation and assembly process suitable for a P60B.15 type ore raking pulley comprises a hook and a pulley, wherein a connecting sleeve is arranged at the lower end of the hook, a round shoulder pin is arranged on the inner side of the connecting sleeve, a second gasket is arranged on the right side of the round shoulder pin, an opening pin is connected to the right end of the round shoulder pin in a penetrating manner, a connecting support is arranged on the outer side of the connecting sleeve, a side plate is arranged on the outer side of the pulley, a shaft sleeve is arranged at the middle position of the inner side of the pulley, a second bolt is arranged on the inner side of the shaft sleeve, a third gasket and a first nut are arranged on the outer side of the right end of the second bolt, the first nut is arranged on the right side of the third gasket, a second single-row radial ball bearing is arranged at the top of the shaft sleeve, a first single-row radial ball bearing is arranged at the bottom of the shaft sleeve, and, the bottom inboard of curb plate is provided with the sleeve pipe, the sheathed tube inboard is provided with first bolt, just the right-hand member outside of first bolt is provided with first packing ring and second nut, the second nut is on the right side of first packing ring, just an installation assembly process who is applicable to P60B.15 type harrow ore wheel still include following installation process:
A. drilling and tapping: drilling and tapping bolt holes and screw holes on the scraper pulley according to the drawing requirements;
B. clamping: removing burrs, impurities and the like in the scraper pulley, and cleaning and clearing each part;
C. the installation clamp checks whether the ore raking pulley and each part are damaged;
D. assembling:
1) and the shaft sleeve and the single-row radial ball bearing are installed: firstly, a pulley is flatly placed on a workbench, then a second single-row radial ball bearing and a first single-row radial ball bearing are placed on the inner side of the pulley, and are placed side by side at the same time, then a shaft sleeve is fixedly installed between the second single-row radial ball bearing and the first single-row radial ball bearing, then a dustproof cover is placed on the outer sides of the first single-row radial ball bearing and the second single-row radial ball bearing, a bolt and a gasket are used for pre-tightening, then the positions of the first single-row radial ball bearing and the second single-row radial ball bearing are adjusted, and finally the bolt is locked.
2) Assembling the pulley and the side plates: place the vertical fixed pulley on the workstation, then go into the left side card that corresponds the axle sleeve in the left side of curb plate, then pass through bolt hole through connection curb plate and pulley with the second bolt, later go into the right side card that corresponds the axle sleeve in the right side of curb plate, then embolia the right side of second bolt with the third packing ring, later with first nut screw in second bolt, use the spanner to screw at last, nevertheless guarantee that the pulley can free rotation, must not contact with the curb plate.
3) And installing a sleeve at the bottom of the pulley: the side plate and the pulley are assembled, the side plate and the pulley are vertically placed on a workbench, the sleeve is placed corresponding to the bolt hole, the first bolt penetrates through the side plate and the sleeve from left to right, the first washer is sleeved on the right side of the first bolt, the second nut is screwed into the right side of the first bolt, and finally the wrench is used for screwing.
4) And the combined installation of the hook and the pulley main body: the method comprises the steps of firstly, vertically and upwards fixing one end with a bolt hole on a workbench, then, fixedly placing a connecting support on two sides of a side plate, using bolts and gaskets to be screwed for connection, then placing a hook on the inner side of a connecting sleeve, using the bolts to be fixedly connected, then placing the connecting sleeve on the inner side of the connecting support, enabling a round shoulder pin to penetrate through the connecting support and the connecting sleeve, sleeving a second gasket on the right side of the round shoulder pin, then, enabling a split pin to penetrate through a hole in the right end of the round shoulder pin, then, bending one pin on one side, which is not connected, of the round shoulder pin, and finally, completing the assembly of the hook and a pulley main body.
Further, the rolling bearing is added with enough lubricating grease.
Further, when the bolt is connected, the bolt should be fastened reliably and must not loosen, and the bolt must be screwed after the mounting bolt is screwed.
Compared with the prior art, the invention has the beneficial effects that: the ore raking pulley assembling device is scientific and reasonable in structure, safe and convenient to use, simple in assembling process, less in manual demand, simple in assembling structure, easy to operate, high in assembling precision, simple and understandable in assembling among parts and capable of assembling the ore raking pulleys in a prospective mode, saves time and labor, simplifies the assembling steps, and enhances the structural strength.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic front view of the present invention.
In the figure: 1-hook, 2-side plate, 3-pulley, 4-sleeve, 5-shaft sleeve, 6-first nut, 7-first bolt, 8-first washer, 9-second nut, 10-second washer, 11-round shoulder pin, 12-split pin, 13-second bolt, 14-third washer, 15-first single-row radial ball bearing, 16-dust cap, 17-connecting bracket, 18-connecting sleeve and 19-second single-row radial ball bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a mounting and assembling process suitable for a P60B.15 type scraper pulley comprises a hook 1 and a pulley 3, wherein the lower end of the hook 1 is provided with a connecting sleeve 18, the inner side of the connecting sleeve 18 is provided with a round shoulder pin 11, the right side of the round shoulder pin 11 is provided with a second gasket 10, the right end of the round shoulder pin 11 is connected with an opening pin 12 in a penetrating manner, the outer side of the connecting sleeve 18 is provided with a connecting support 17, the outer side of the pulley 3 is provided with a side plate 2, the middle position of the inner side of the pulley 3 is provided with a shaft sleeve 5, the inner side of the shaft sleeve 5 is provided with a second bolt 13, the outer side of the right end of the second bolt 13 is provided with a third gasket 14 and a first nut 6, the right side of the first nut 6 and the third gasket 14 is provided with a second single-row radial ball bearing 19 at the top of the shaft sleeve 5, the bottom of the shaft sleeve 5 is provided with a first single, the bottom inboard of curb plate 2 is provided with sleeve pipe 4, and the inboard of sleeve pipe 4 is provided with first bolt 7, and the right-hand member outside of first bolt 7 is provided with first packing ring 8 and second nut 9, and second nut 9 is on the right side of first packing ring 8, and a be applicable to the installation assembly process of P60B.15 type harrow ore wheel, still include following installation process:
A. drilling and tapping: drilling and tapping bolt holes and screw holes on the scraper pulley according to the drawing requirements;
B. clamping: removing burrs, impurities and the like in the scraper pulley, and cleaning and clearing each part;
C. the installation clamp checks whether the ore raking pulley and each part are damaged;
D. assembling:
1) and the shaft sleeve and the single-row radial ball bearing are installed: firstly, flatly placing a pulley 3 on a workbench, then placing a second single-row radial ball bearing 19 and a first single-row radial ball bearing 15 on the inner side of the pulley 3, simultaneously placing two radial ball bearings side by side, then fixedly installing a shaft sleeve 5 between the second single-row radial ball bearing 19 and the first single-row radial ball bearing 15, then placing a dustproof cover 16 on the outer sides of the first single-row radial ball bearing 15 and the second single-row radial ball bearing 19, pre-tightening by using bolts and gaskets, then adjusting the positions of the first single-row radial ball bearing 15 and the second single-row radial ball bearing 19, and finally locking the bolts.
2) Assembling the pulley and the side plates: place the vertical fixed pulley 3 on the workstation, then go into the left side of the corresponding axle sleeve 5 in left side of curb plate 2 and go into, then pass through bolt hole through connection curb plate 2 and pulley 3 with second bolt 13, later go into the right side of the corresponding axle sleeve 5 in right side of curb plate 2 and go into, then embolia the right side of second bolt 13 with third packing ring 14, later with first nut 6 screw in second bolt 13, use the spanner to screw at last, nevertheless guarantee pulley 3 can free rotation, must not contact with curb plate 2.
3) And installing a sleeve at the bottom of the pulley: the side plate and the pulley are assembled, the side plate and the pulley are vertically placed on a workbench, the sleeve 4 is placed corresponding to the bolt hole, the first bolt 7 penetrates through the side plate 2 and the sleeve 4 from left to right, the first washer 8 is sleeved on the right side of the first bolt 7, the second nut 9 is screwed into the right side of the first bolt 7, and finally the wrench is used for screwing.
4) And the combined installation of the hook and the pulley main body: firstly, one end with a bolt hole is vertically and upwards fixed on a workbench, then a connecting support 17 is fixedly arranged on two sides of a side plate 2, bolts and gaskets are used for screwing connection, then a hook 1 is arranged on the inner side of a connecting sleeve 18 and fixedly connected by the bolts, then the connecting sleeve 18 is arranged on the inner side of the connecting support 17, a round shoulder pin 11 penetrates through the connecting support 17 and the connecting sleeve 18, a second gasket 10 is sleeved on the right side of the round shoulder pin 11, then an opening pin 12 penetrates through a hole at the right end of the round shoulder pin 11, then a pin on one side, which is not connected with the round shoulder pin 11, is bent, and finally the hook 1 and a pulley 3 are assembled.
In this embodiment, the rolling bearing is sufficiently lubricated with grease.
In this embodiment, when the bolt is connected, the bolt should be fastened reliably and must not loosen, and the bolt should be screwed after the mounting bolt is screwed.
The working principle and the using process of the invention are as follows: firstly, a pulley 3 is flatly placed on a workbench, then a second single-row radial ball bearing 19 and a first single-row radial ball bearing 15 are placed on the inner side of the pulley 3, two are placed side by side at the same time, then a shaft sleeve 5 is fixedly installed between the second single-row radial ball bearing 19 and the first single-row radial ball bearing 15, then a dustproof cover 16 is placed on the outer sides of the first single-row radial ball bearing 15 and the second single-row radial ball bearing 19, bolts and gaskets are used for pre-tightening, then the positions of the first single-row radial ball bearing 15 and the second single-row radial ball bearing 19 are adjusted, then the bolts are locked, the pulley 3 is vertically and fixedly placed on the workbench, then the left side of a side plate 2 corresponding to the left side of the shaft sleeve 5 is clamped in, then a second bolt 13 penetrates through the side plate 2 and the pulley 3 through bolt holes, then the right side of the side plate 2 corresponding to the right side of the shaft sleeve 5 is clamped in, then screwing a first nut 6 into a second bolt 13, finally screwing by using a spanner, ensuring that a pulley 3 can rotate freely without contacting with a side plate 2, completing the assembly of the side plate and the pulley, then vertically placing on a workbench, then placing a sleeve 4 corresponding to a bolt hole, penetrating a first bolt 7 from left to right to connect the side plate 2 and the sleeve 4, then sleeving a first gasket 8 on the right side of the first bolt 7, then screwing a second nut 9 into the right side of the first bolt 7, finally screwing by using a spanner, vertically fixing one end with the bolt hole drilled upwards on the workbench, then fixing a connecting bracket 17 on two sides of the side plate 2, screwing by using bolts and gaskets, then placing a hook 1 on the inner side of a connecting sleeve 18, fixedly connecting by using bolts, then placing the connecting sleeve 18 on the inner side of the connecting bracket 17, penetrating a circular shoulder pin 11 to connect the connecting bracket 17 and the connecting sleeve 18, the second washer 10 is sleeved on the right side of the round shoulder pin 11, then the cotter pin 12 passes through the hole at the right end of the round shoulder pin 11, then one pin at the non-connected side of the round shoulder pin 11 is bent, and finally the hook 1 and the pulley 3 body are assembled.
The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (3)
1. An installation and assembly process suitable for a P60B.15 type ore-raking pulley comprises a hook (1) and a pulley (3), and is characterized in that: the lower end of the hook (1) is provided with a connecting sleeve (18), the inner side of the connecting sleeve (18) is provided with a round shoulder pin (11), the right side of the round shoulder pin (11) is provided with a second gasket (10), the right end of the round shoulder pin (11) is connected with a split pin (12) in a penetrating way, the outer side of the connecting sleeve (18) is provided with a connecting support (17), the outer side of the pulley (3) is provided with a side plate (2), the middle position of the inner side of the pulley (3) is provided with a shaft sleeve (5), the inner side of the shaft sleeve (5) is provided with a second bolt (13), the outer side of the right end of the second bolt (13) is provided with a third gasket (14) and a first nut (6), the first nut (6) is then the right side of the third gasket (14), and the top of the shaft sleeve (5) is provided with a second single-row radial, just the bottom of axle sleeve (5) is provided with first single-row radial ball bearing (15), the outside of first single-row radial ball bearing (15) is provided with shield (16), the bottom inboard of curb plate (2) is provided with sleeve pipe (4), the inboard of sleeve pipe (4) is provided with first bolt (7), just the right-hand member outside of first bolt (7) is provided with first packing ring (8) and second nut (9), second nut (9) are on the right side of first packing ring (8), just an installation assembly process who is applicable to P60B.15 type harrow ore wheel still include following installation process:
A. drilling and tapping: drilling and tapping bolt holes and screw holes on the scraper pulley according to the drawing requirements;
B. clamping: removing burrs, impurities and the like in the scraper pulley, and cleaning and clearing each part;
C. the installation clamp checks whether the ore raking pulley and each part are damaged;
D. assembling:
1) and the shaft sleeve and the single-row radial ball bearing are installed: firstly, a pulley (3) is flatly placed on a workbench, then a second single-row radial ball bearing (19) and a first single-row radial ball bearing (15) are placed on the inner side of the pulley (3), two single-row radial ball bearings are placed side by side at the same time, then a shaft sleeve (5) is fixedly installed between the second single-row radial ball bearing (19) and the first single-row radial ball bearing (15), then a dustproof cover (16) is placed on the outer sides of the first single-row radial ball bearing (15) and the second single-row radial ball bearing (19), bolts and gaskets are used for pre-tightening, then the positions of the first single-row radial ball bearing (15) and the second single-row radial ball bearing (19) are adjusted, and finally the bolts are locked;
2) assembling the pulley and the side plates: the pulley (3) is vertically and fixedly placed on a workbench, the left side of the side plate (2) corresponding to the left side of the shaft sleeve (5) is clamped in, a second bolt (13) is connected with the side plate (2) and the pulley (3) in a penetrating mode through a bolt hole, the right side of the side plate (2) corresponding to the right side of the shaft sleeve (5) is clamped in, a third gasket (14) is sleeved on the right side of the second bolt (13), a first nut (6) is screwed into the second bolt (13), and finally a wrench is used for screwing, so that the pulley (3) can rotate freely and cannot be contacted with the side plate (2);
3) and installing a sleeve at the bottom of the pulley: the side plate and the pulley are assembled, then the side plate and the pulley are vertically placed on a workbench, then the sleeve (4) is placed corresponding to the bolt hole, the first bolt (7) penetrates through the side plate (2) and the sleeve (4) from left to right, then the first washer (8) is sleeved on the right side of the first bolt (7), the second nut (9) is screwed into the right side of the first bolt (7), and finally a wrench is used for screwing;
4) and the combined installation of the hook and the pulley main body: firstly, one end with a bolt hole is vertically and upwards fixed on a workbench, then a connecting support (17) is fixedly arranged on two sides of a side plate (2), bolts and gaskets are used for screwing connection, then a hook (1) is arranged on the inner side of a connecting sleeve (18) and is fixedly connected by the bolts, then the connecting sleeve (18) is arranged on the inner side of the connecting support (17), a round shoulder pin (11) penetrates through the connecting support (17) and the connecting sleeve (18), a second gasket (10) is sleeved on the right side of the round shoulder pin (11), then a cotter pin (12) penetrates through a hole in the right end of the round shoulder pin (11), then a pin on one side where the round shoulder pin (11) is not connected is bent, and finally the hook (1) and a pulley (3) body are assembled.
2. The installation and assembly process suitable for the P60B.15 type rake pulley according to claim 1, wherein: the rolling bearing is added with enough lubricating grease.
3. The installation and assembly process suitable for the P60B.15 type rake pulley according to claim 1, wherein: when the bolt is connected, the bolt is fastened reliably and cannot be loosened, and the bolt is screwed after the mounting bolt is screwed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581726.1A CN110625330B (en) | 2019-06-30 | 2019-06-30 | Installation and assembly process suitable for P60B.15 type ore-raking pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581726.1A CN110625330B (en) | 2019-06-30 | 2019-06-30 | Installation and assembly process suitable for P60B.15 type ore-raking pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110625330A true CN110625330A (en) | 2019-12-31 |
| CN110625330B CN110625330B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910581726.1A Active CN110625330B (en) | 2019-06-30 | 2019-06-30 | Installation and assembly process suitable for P60B.15 type ore-raking pulley |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2625005A (en) * | 1947-06-12 | 1953-01-13 | Keller Tool Co | Hoist hook assembly |
| US4004335A (en) * | 1975-11-11 | 1977-01-25 | Pitts Industries, Inc. (Entire) | Method of making clutch pulley |
| CN204454261U (en) * | 2015-02-05 | 2015-07-08 | 新乡市长江起重机械有限公司 | A kind of concealed suspension hook group |
| CN204454260U (en) * | 2015-02-05 | 2015-07-08 | 新乡市长江起重机械有限公司 | A kind of fixed type suspension hook group |
| CN204474136U (en) * | 2015-02-05 | 2015-07-15 | 新乡市长江起重机械有限公司 | A kind of joint type suspension hook group |
| CN108457648A (en) * | 2018-03-16 | 2018-08-28 | 安徽省宿州市龙华机械制造有限公司 | A kind of assembling scraper mucking rake mine pulley |
-
2019
- 2019-06-30 CN CN201910581726.1A patent/CN110625330B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2625005A (en) * | 1947-06-12 | 1953-01-13 | Keller Tool Co | Hoist hook assembly |
| US4004335A (en) * | 1975-11-11 | 1977-01-25 | Pitts Industries, Inc. (Entire) | Method of making clutch pulley |
| CN204454261U (en) * | 2015-02-05 | 2015-07-08 | 新乡市长江起重机械有限公司 | A kind of concealed suspension hook group |
| CN204454260U (en) * | 2015-02-05 | 2015-07-08 | 新乡市长江起重机械有限公司 | A kind of fixed type suspension hook group |
| CN204474136U (en) * | 2015-02-05 | 2015-07-15 | 新乡市长江起重机械有限公司 | A kind of joint type suspension hook group |
| CN108457648A (en) * | 2018-03-16 | 2018-08-28 | 安徽省宿州市龙华机械制造有限公司 | A kind of assembling scraper mucking rake mine pulley |
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| Publication number | Publication date |
|---|---|
| CN110625330B (en) | 2021-10-15 |
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Denomination of invention: A kind of installation and assembly process suitable for P60B. 15 type ore harrow pulley Effective date of registration: 20230203 Granted publication date: 20211015 Pledgee: Suzhou SME financing Company limited by guarantee Pledgor: ANHUI PROVINCE SUZHOU CITY LONGHUA MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023980032006 |