CN102614957B - Axial positioning device of crushing roller - Google Patents
Axial positioning device of crushing roller Download PDFInfo
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- CN102614957B CN102614957B CN 201210111258 CN201210111258A CN102614957B CN 102614957 B CN102614957 B CN 102614957B CN 201210111258 CN201210111258 CN 201210111258 CN 201210111258 A CN201210111258 A CN 201210111258A CN 102614957 B CN102614957 B CN 102614957B
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- 238000007667 floating Methods 0.000 claims abstract description 30
- 125000006850 spacer group Chemical group 0.000 claims description 81
- 238000012856 packing Methods 0.000 claims description 28
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 15
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000000621 Bidens tripartita Nutrition 0.000 abstract 1
- 240000004082 Bidens tripartita Species 0.000 abstract 1
- 208000006637 fused teeth Diseases 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention provides an axial positioning device of a crushing roller, which relates to a crushing machine and solves the problems that in the prior art, the installation and the maintenance of the crushing roller are difficult, and the equipment operation reliability is poor. The axial positioning device comprises high-strength locking screw nuts, a plurality of high-strength round head propping and pushing screws and two high-strength propping and pushing gaskets, wherein the circumferential rings of the two end surfaces of the high-strength locking screw nuts are provided with a plurality of threaded holes, the two locking screw nuts are respectively matched and connected with external screw threads of the fixing end and the floating end of a roller shaft, one propping and pushing gasket is arranged between the locking screw nuts and a bearing arranged at the floating end, the other propping and pushing gasket is arranged between the locking screw nuts and a No. IV isolation ring, and the round head propping and pushing screws are connected with the threaded holes arranged on the end surfaces of the locking screw nuts. The axial positioning device is used for the axial positioning of the crushing roller of a double-tooth roller crushing machine, the service life of parts can be prolonged, in addition, the installation and the maintenance can be conveniently and fast carried out, and the production efficiency of equipment is greatly improved.
Description
Technical field
The present invention relates to disintegrating machine, particularly a kind of axial direction positioning device of double-geared roller crusher breaker roll.
Background technology
Double-geared roller crusher, as the nucleus equipment of mobile crushing station, semi-mobile crushing plant in glory-hole semi-continuousmining technology system, is widely used in mine.As shown in Figure 1, the double-geared roller crusher body mainly comprises disintegrating machine box assembly 1, a pair of breaker roll be arranged symmetrically with 2 two parts.
When double-geared roller crusher is processed the harder objuct material, randomness due to feed, and the cause of spiral cloth tooth, only have a pair of or two pairs of teeth carrying out crushing operation, breaker roll not only will bear huge radial load, also will bear huge axial load, and, due to the uncertainty of hard material position on breaker roll, this axial force is ceaselessly changing direction.Therefore, the axial direction positioning device of breaker roll must have enough intensity, and guarantee breaker roll location is reliable, equipment safety operation.
At present, the disintegrating machine that mine is used, the axial location of its breaker roll adopts traditional axle end baffle plate locate mode usually, and the breaker roll structure of prior art is as shown in Figure 2.Breaker roll comprises: roll shaft 11, be arranged on some ring gear assemblies 3 at roll shaft 11 middle parts, be arranged in the some I spacer rings 4 between described ring gear assembly 3, the II spacer ring 5, III spacer ring 6, the floating end bearing block assembly 27 that at the floating end of described roll shaft 11, are set with successively, the V spacer ring 24, III spacer ring 6, stiff end bearing block assembly 28, the IV spacer ring 10 that at the stiff end of described roll shaft 11, are set with successively, and the axial direction positioning device that is arranged on described roll shaft 11 both ends.
Described stiff end bearing block assembly 28 is comprised of labyrinth Oil sealing assembly 7, outside framework oil seal assembly 18, packing ring 19, bearing 23, transparent cover 9 and stiff end bearing block 8.
Described floating end bearing block assembly 27 is comprised of labyrinth Oil sealing assembly 7, outside framework oil seal assembly 18, bearing 23, end cap 29 and floating end bearing block 25.
The installation of stiff end bearing block assembly:
Successively labyrinth Oil sealing assembly 7, outside framework oil seal assembly 18, packing ring 19, bearing 23, transparent cover 9 are arranged in stiff end bearing block 8.
The installation of floating end bearing block assembly:
Successively labyrinth Oil sealing assembly 7, outside framework oil seal assembly 18, bearing 23 are arranged in floating end bearing block 25, and with bolt, end cap 29 and floating end bearing block 25 are fixed in disintegrating machine box assembly 1.
The installation of breaker roll:
As Fig. 2, 3, 4, 5, shown in 6, at first I spacer ring 4 is arranged in several ring gear assembly 3 both sides, be arranged on successively roll shaft 11 middle parts, then the floating end at roll shaft 11 is set with II spacer ring 5 successively, III spacer ring 6, again described floating end bearing block assembly 27 is arranged on to left end 111 positions of roll shaft 11, then with bolt 21, packing ring 22 is fixed to axle end baffle plate 20 on roll shaft 11 by the screwed hole 110 on roll shaft 11, bolt 21 is tightened in advance to the pre-fastening moment of regulation, bolt 21 is by axle end baffle plate 20, bearing 23 inner rings are pressed in the end face of III spacer ring 6 on the shaft shoulder 113 of roll shaft 11, the shaft shoulder 113 of the end face of III spacer ring 6 and roll shaft 11 will be as (the ring ring gear assembly 3 of the associated component on roll shaft 11 like this, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24 etc.) positioning datum on roll shaft 11, then the stiff end at roll shaft 11 is set with V spacer ring 24, III spacer ring 6 successively, described stiff end bearing block assembly 28 is arranged on to right-hand member 112 positions of roll shaft 11, roll shaft 11 right-hand members of again IV spacer ring 10, shaft coupling 26 being packed into successively, and axle end baffle plate 20 is fixed on roll shaft 11 by the screwed hole 110 on roll shaft 11 with bolt 21, packing ring 22, bolt 21 is tightened in advance to the pre-fastening moment of regulation, bolt 21 is pressed in the end face of III spacer ring 6 on the end face of V spacer ring 24 by axle end baffle plate 20, shaft coupling 26, IV spacer ring 10, bearing 23 inner rings.
Like this, the axle end baffle plate assembly at roll shaft 11 two ends (bolt 21, packing ring 22, axle end baffle plate 20) is fixed on the associated component on roll shaft 11 (ring ring gear assembly 3, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24 etc.) on bearing 23 inner rings of roll shaft 11 stiff ends.Stiff end bearing block 8 stops bearing 23 outer rings vibration left by the shaft shoulder 80, packing ring 19, and stiff end bearing block 8 and transparent cover 9 are connected in disintegrating machine casing 1 by bolt 16, packing ring 17, and the end face 90 of transparent cover 9 can stop bearing 23 outer rings vibration to the right.
After installation, position and breaker roll 2 position in disintegrating machine casing of associated component on roll shaft 11 (ring ring gear assembly 3, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24 etc.) on roll shaft 11 is all unique definite.
There is following defect in the axial direction positioning device of the breaker roll of prior art:
A) as shown in Fig. 5,6,7, restriction due to the axle head size, can only adopt the axle end baffle plate fastening bolt 21 of negligible amounts, for guaranteeing the reliability of location, must strengthen the specification of axle end baffle plate fastening bolt 21, the larger pretightning force of bolt is larger, and the hydraulic spanner specification of employing is also larger, and pretension is more difficult;
B) as shown in Figure 5,6, in order to reach the purpose of associated component on locking roll shaft 11, must leave gap H between axle end baffle plate and axle head, during bolt 21 pretension, strain will inevitably occur in baffle plate 20, the pretension that is unfavorable for bolt, under impact loading, bolt 21 is as easy as rolling off a log loosening;
C) axle end baffle plate 20 of drive end is arranged in shaft coupling 26, once in use, occur looseningly being not easy to find early, and must take described shaft coupling 26, maintenance difficult apart during maintenance.
Obviously, traditional breaker roll axial direction positioning device exists the installation of equipment, the shortcoming that maintaining is very inconvenient, operational reliability is poor.
Summary of the invention
Purpose of the present invention is intended to overcome the shortcoming of prior art, and a kind of axial direction positioning device of breaker roll is provided, and solves traditional breaker roll axial direction positioning device and makes breaker roll installation, difficult in maintenance, the problem that the equipment operational reliability is poor.
The present invention is achieved through the following technical solutions:
A kind of axial direction positioning device of breaker roll, described breaker roll comprises: roll shaft, be arranged on some ring gear assemblies at roll shaft middle part, be arranged in the some I spacer rings between described ring gear assembly, the II spacer ring be set with successively at the floating end of described roll shaft, the III spacer ring, the floating end bearing block assembly, the V spacer ring be set with successively at the stiff end of described roll shaft, the III spacer ring, the stiff end bearing block assembly, the IV spacer ring, and the axial direction positioning device that is arranged on described roll shaft both ends, it is characterized in that: described axial direction positioning device comprises: two end face borders are with the high strength lock jack panel of some screwed holes, several high strength round end pushing tow screws, two high strength pushing tow packing rings, two described locking nuts are connected with the floating end of described roll shaft and the external screw thread of stiff end respectively, a described high strength pushing tow packing ring is arranged between the bearing of described high strength lock jack panel and floating end, another described high strength pushing tow packing ring is arranged between the described IV spacer ring of described high strength lock jack panel and stiff end, several described high strength round end pushing tow screws are connected with the some described screwed hole on described high strength lock jack panel end face.
The screw rod top of described high strength round end pushing tow screw is round end.
The present invention compared with the prior art, has the following advantages and beneficial effect:
1, can adopt the locking pushing tow screw of sufficient amount that enough coupling mechanism forces are provided, can bear great axial force, improve the reliability of equipment and the service life of bearing;
2, adopt the less some pushing tow screws of screw thread specification, meeting under the prerequisite of coupling mechanism force, greatly reduce the pretightning force of lock-screw, be convenient to on-the-spot installation and maintenance;
3, adopt the locking scheme of high strength lock jack panel, lock very reliable;
4, the drive end locking nut is positioned at the equipment outside, can be regularly the locking situation of nut be checked, maintains easily.
The present invention is used for the axial location of double-geared roller crusher breaker roll, the service life that not only can improve parts, and can carry out easily and efficiently I&M, greatly improved the production efficiency of equipment.
The accompanying drawing explanation
Fig. 1 is the double-geared roller crusher structural representation;
Fig. 2 is the A-A cutaway view (structural representation of traditional breaker roll) of Fig. 1;
Fig. 3 is floating end bearing block assembly structure schematic diagram;
Fig. 4 is stiff end bearing block assembly structure schematic diagram;
Fig. 5 is the I section enlarged drawing of Fig. 2;
Fig. 6 is the II section enlarged drawing of Fig. 2;
Fig. 7 is that the K of Fig. 5, Fig. 6 is to view;
Fig. 8 is the A-A cutaway view (adopting the structural representation of breaker roll of the present invention) of Fig. 1;
Fig. 9 is the III section enlarged drawing of Fig. 8;
Figure 10 is the IV section enlarged drawing of Fig. 8;
Figure 11 is high strength lock jack panel structural representation accompanying drawing;
Figure 12 is the B-B cutaway view of Figure 11;
Figure 13 is high strength round end pushing tow bolt structure schematic diagram;
Below in conjunction with accompanying drawing, by preferred embodiment, the present invention is further illustrated.
The specific embodiment
As shown in Figure 1, the structure of double-geared roller crusher body comprises disintegrating machine box assembly 1, a pair of breaker roll be arranged symmetrically with 2.
As Fig. 3, 4, 8, 9, 10, 11, 12, shown in 13, a kind of axial direction positioning device of breaker roll, described breaker roll comprises: roll shaft 11 is arranged on some ring gear assemblies 3 at roll shaft 11 middle parts, be arranged in the some I spacer rings 4 between described ring gear assembly 3, the II spacer ring 5 be set with successively at the floating end of described roll shaft 11, III spacer ring 6, floating end bearing block assembly 27, the V spacer ring 24 be set with successively at the stiff end of described roll shaft 11, III spacer ring 6, stiff end bearing block assembly 28, IV spacer ring 10, and the axial direction positioning device that is arranged on described roll shaft 11 both ends, it is characterized in that: described axial direction positioning device comprises: two end face borders are with the high strength lock jack panel 13 of some screwed holes, several high strength round end pushing tow screws 14, 15, two described locking nuts 13 of two high strength pushing tow packing rings respectively with the floating end of described roll shaft 11 and the external screw thread 114 of stiff end, 115 are connected, a described high strength pushing tow packing ring 15 is arranged between the bearing 23 of described high strength lock jack panel 13 and floating end, another described high strength pushing tow packing ring 15 is arranged between the described IV spacer ring 10 of described high strength lock jack panel 13 and stiff end, and several described high strength round end pushing tow screws 14 are connected with the described some screwed holes on described high strength lock jack panel 13 end faces.
The screw rod top of described high strength round end pushing tow screw 14 is round end 140.
Installation process below by the narration breaker roll elaborates to the present invention
1, the installation of stiff end bearing block assembly 28
As shown in Fig. 4,8, successively labyrinth Oil sealing assembly 7, outside framework oil seal assembly 18, packing ring 19, bearing 23, transparent cover 9 are arranged in stiff end bearing block 8.
2, the installation of floating end bearing block assembly 27
As shown in Fig. 3,8, successively labyrinth Oil sealing assembly 7, outside framework oil seal assembly 18, bearing 23 are arranged in floating end bearing block 25, and with bolt, end cap 29 and floating end bearing block 25 are fixed in disintegrating machine box assembly 1.
3, the installation of breaker roll
As accompanying drawing 3, 4, 8, 9, 10, 11, 12, shown in 13, at first I spacer ring 4 will be arranged between several ring gear assemblies 3, be arranged on successively roll shaft 11 middle parts, then the floating end at roll shaft 11 is set with II spacer ring 5 successively, III spacer ring 6, again described floating end bearing block assembly 27 is arranged on to left end 111 positions of roll shaft 11, then the high strength pushing tow packing ring 15 of packing into successively, high strength lock jack panel 13, high strength round end pushing tow screw 14, adjust the pre-fastening moment that described pushing tow screw 14 is tightened in advance behind the position of described nut 13 to regulation, described pushing tow screw 14 is by described packing ring 15, bearing 23 inner rings tightly are pressed in the end face of III spacer ring 6 60 on the shaft shoulder 113 of roll shaft 11, the shaft shoulder 113 of the end face 60 of III spacer ring 6 and roll shaft 11 will be as (the ring ring gear assembly 3 of the associated component on roll shaft 11 like this, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24 etc.) positioning datum on roll shaft 11, then the stiff end at roll shaft 11 is set with V spacer ring 24, III spacer ring 6 successively, described stiff end bearing block assembly 28 is arranged on to right-hand member 112 positions of roll shaft 11, finally pack into IV spacer ring 10, high strength pushing tow packing ring 15, high strength lock jack panel 13, high strength round end pushing tow screw 14, adjust the pre-fastening moment that described pushing tow screw 14 is tightened in advance behind the position of described nut 13 to regulation, described pushing tow screw 14 tightly is pressed in the end face of IV spacer ring 6 60 on the end face of V spacer ring 24 by described packing ring 15, IV spacer ring 10, bearing 23 inner rings.
Like this, the lock nut assembly at two ends (high strength lock jack panel 13, high strength round end pushing tow screw 14, high strength pushing tow packing ring 15) firmly is fixed on the associated component on roll shaft 11 (ring ring gear assembly 3, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24 etc.) on the inner ring of roll shaft 11 stiff end bearings 23.Bearing 23 outer rings are clamped in stiff end bearing block assembly 28 by the end face 90 of the shaft shoulder 80 of bearing block 8, packing ring 19 and transparent cover 9, and stiff end bearing block assembly 28 is mounted and fixed in disintegrating machine casing 1 by bolt 16, packing ring 17.
After installation, position and breaker roll 2 position in disintegrating machine casing of associated component on roll shaft 11 (ring ring gear assembly 3, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24 etc.) on roll shaft 11 is all unique definite.
The present invention, for associated component on roll shaft 11 provides sufficient coupling mechanism force, has extended the service life of bearing, has improved the reliability of equipment, greatly reduces the pretightning force of lock-screw, is convenient to on-the-spot installation and maintenance.
The high strength lock jack panel
The end face border is with the high strength lock jack panel of some pushing tow screwed holes, coordinate to adjust the position of locking nut on axle by screw thread shown in Figure 12 130 with the external screw thread 114,115 on roll shaft 11 shown in Fig. 9,10, to facilitate the pushing tow screw, bearing and ring gear assembly are positioned and lock.
High strength round end pushing tow screw
Be installed on some high strength round end pushing tow screws as shown in figure 13 of high strength lock jack panel end face border as shown in Fig. 9,10, after locking nut 13 is adjusted good position on roll shaft 11, high strength round end pushing tow screw screws in the some pushing tow screwed holes 131 on the locking nut end face be positioned at as shown in figure 12 screw-in depth by adjustment positions and locks bearing and ring gear assembly.The round end 140 at screw rod top can reduce the contact area between screw and pushing tow packing ring, is convenient to the pretension of pushing tow screw.
High strength pushing tow packing ring
Be installed on steel alloy between bearing 23 or IV spacer ring 10 and locking nut 13 packing ring that hardens, for the protection of the end face of bearing or spacer ring, destroy the end face of bearing 23 or IV spacer ring 10 while avoiding high strength round end pushing tow screw pretension.
The floating end shaft shoulder for location
Be positioned at the location shaft shoulder 113 on roll shaft 11, for associated component on roll shaft 11 (ring ring gear assembly 3, I spacer ring 4, II spacer ring 5, III spacer ring 6, V spacer ring 24, IV spacer ring 10, bearing 23 etc.) and breaker roll axial location lock nut assembly etc. provide positioning datum.
For the external screw thread of high strength lock jack panel is installed
Be positioned at the external screw thread 114,115 that the fine finishining as shown in Fig. 9,10 on roll shaft 11 forms, for the installation of locking nut with and position adjust.
Claims (2)
1. the axial direction positioning device of a breaker roll, described breaker roll comprises: roll shaft (11), be arranged on some ring gear assemblies (3) at roll shaft (11) middle part, be arranged in the some I spacer rings (4) between described ring gear assembly (3), the II spacer ring (5) be set with successively at the floating end of described roll shaft (11), III spacer ring (6), floating end bearing block assembly (27), the V spacer ring (24) be set with successively at the stiff end of described roll shaft (11), III spacer ring (6), stiff end bearing block assembly (28), IV spacer ring (10), and the axial direction positioning device that is arranged on described roll shaft (11) both ends, it is characterized in that: described axial direction positioning device comprises: two end face borders are with the high strength lock jack panel (13) of some screwed holes, several high strength round end pushing tow screws (14), two high strength pushing tow packing rings (15), two described high strength lock jack panels (13) are connected with the floating end of described roll shaft (11) and the external screw thread of stiff end respectively, a described high strength pushing tow packing ring (15) is arranged between the bearing (23) of described high strength lock jack panel (13) and floating end, another described high strength pushing tow packing ring (15) is arranged between the described IV spacer ring (10) of described high strength lock jack panel (13) and stiff end, several described high strength round end pushing tow screws (14) are connected with the described some screwed holes on described high strength lock jack panel (13) end face.
2. axial direction positioning device according to claim 1, it is characterized in that: described high strength lock jack panel (13) end face border is with some screwed holes (131), and the screw rod top of described high strength round end pushing tow screw (14) is round end (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210111258 CN102614957B (en) | 2012-03-29 | 2012-03-29 | Axial positioning device of crushing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210111258 CN102614957B (en) | 2012-03-29 | 2012-03-29 | Axial positioning device of crushing roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102614957A CN102614957A (en) | 2012-08-01 |
| CN102614957B true CN102614957B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210111258 Active CN102614957B (en) | 2012-03-29 | 2012-03-29 | Axial positioning device of crushing roller |
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| CN (1) | CN102614957B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465527B (en) * | 2018-04-11 | 2019-11-05 | 中山斯瑞德环保科技有限公司 | Unilateral positioning method for main shaft of double-shaft garbage crusher |
| CN113358262B (en) * | 2021-07-22 | 2023-02-28 | 中车大同电力机车有限公司 | Ferrule type joint pull-out force detection device and method |
| CN116213028B (en) * | 2022-12-26 | 2025-03-28 | 哈尔滨红光锅炉总厂有限责任公司 | Axial floating limit device for roller shaft of coke breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0040432B1 (en) * | 1980-05-20 | 1984-03-21 | Bühler AG | Scraper blade for rollers, in particular for rollers of a roller mill used in milling |
| CN2039234U (en) * | 1988-09-02 | 1989-06-14 | 邱千文 | Mincing machine for waste documents |
| KR20010079012A (en) * | 2001-06-02 | 2001-08-22 | 강두석 | A trituration roller structure of red pepper triturating machine |
| CN200984519Y (en) * | 2006-08-08 | 2007-12-05 | 白桂萍 | Novel burnisher apparatus |
| CN201807383U (en) * | 2010-10-14 | 2011-04-27 | 国家粮食储备局成都粮食储藏科学研究所 | Rice milling device for inspection |
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