CN102659023B - End beam hinge device - Google Patents

End beam hinge device Download PDF

Info

Publication number
CN102659023B
CN102659023B CN201210143929.0A CN201210143929A CN102659023B CN 102659023 B CN102659023 B CN 102659023B CN 201210143929 A CN201210143929 A CN 201210143929A CN 102659023 B CN102659023 B CN 102659023B
Authority
CN
China
Prior art keywords
end carriage
hinge
spindle nose
girder
step portion
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.)
Expired - Fee Related
Application number
CN201210143929.0A
Other languages
Chinese (zh)
Other versions
CN102659023A (en
Inventor
马天平
刘李梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan Heavy Industry Co Ltd
Original Assignee
Taiyuan Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taiyuan Heavy Industry Co Ltd filed Critical Taiyuan Heavy Industry Co Ltd
Priority to CN201210143929.0A priority Critical patent/CN102659023B/en
Publication of CN102659023A publication Critical patent/CN102659023A/en
Application granted granted Critical
Publication of CN102659023B publication Critical patent/CN102659023B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention provides an end beam hinge device which is used for connecting a main beam and an end beam of a crane. The end beam hinge device comprises a hinge shaft, two main beam shaft sleeves and two end beam shaft sleeves, wherein the two main beam shaft sleeves and the two end beam shaft sleeves are respectively arranged on two ends of the hinge shaft, the hinge shaft comprises a first shaft head and a second shaft head, a first step part and a second step part; the two end beam shaft sleeves are respectively sleeved on the two step parts, the two main beam shaft sleeves are respectively sleeved on two shaft heads, first openings of the two main beam shaft sleeves are respectively provided with left and right inner walls, the first shaft head and the second shaft head can slide up and down in first openings of the left and right inner walls, the hinge shaft also comprises two regulating base plates respectively arranged between the two main beam shaft sleeves and between the two end beam shaft sleeves, one regulating base plate is arranged on the second shaft head and resists against the side edge of the second step part for preventing the hinge shaft from moving, and the side edge of the first step part interferes with the first opening of the main beam shaft sleeve at the left end of the hinge shaft. The main beam shaft sleeves of the end beam hinge device bring the convenience for observing the abrasion condition and carrying out replacement, thus the production cost is lowered.

Description

End carriage hinge device
Technical field
The present invention relates to the beam of hoisting crane, relate in particular to a kind of crane end carriage hinge device easily of disassembling.
Background technology
Goliath has secondary girder, girder and end carriage.Wherein main load member is secondary girder and girder.In order to reduce the height overall of hoisting crane and to disperse hoisting crane wheel load, and reduce the investment of factory building cost, between secondary girder, girder and girder, adopt stud connection.
Fig. 1 is the connection schematic top plan view of the girder of hoisting crane in prior art, secondary girder and end carriage.Fig. 2 is that the master of the girder of hoisting crane in prior art, secondary girder and end carriage looks schematic diagram.As shown in Figure 1 and Figure 2, between girder 1 ' and end carriage 2 ', by end carriage hinge device 3 ', link together.Girder 1 ' head has girder hole 11 ', and end carriage 2 ' head has end carriage hole 21 '.Secondary girder 4 ' arranges perpendicular to end carriage 2 ', and is welded on end carriage 2 '.On girder 1 across being provided with main carriage (not shown).Girder 1 is divided into two groups of wheels 12 ', 13 ', and main carriage coordinates wheel 12 ' and 13 ' D ' direction motion along Fig. 1 on girder 1.
Fig. 3 is A-A schematic cross-section in Fig. 2, shows existing end carriage hinge device 3 '.As shown in Figure 3, existing end carriage hinge device 3 ' by hinge 31 ', two girder axle sleeves 32 ', two end carriage axle sleeves 33 ', two adjust backing plate 34 ', an outer side shield 35 ' and two interior side shields 36 ' and form.Hinge 31 ' comprises the step surface 312 ' of two ends spindle nose 311 ' and spindle nose inner side, its middle girder axle sleeve 32 ' has the first perforate H1 ', the spindle nose 311 ' at two ends is equipped with at the first perforate H1 ', and end carriage axle sleeve 33 ' has the second perforate H2 ', and adapting device is on step surface 312 '.Hinge 31 ' can not left and right vibration due to the effect of outer side shield 35 ', and wherein hinge 31 ' is installed in girder hole 11 ' by girder axle sleeve 32 ', and is fixed in girder 1 ' head side plate (not shown) by outer side shield 35 ' and screw and packing ring.End carriage axle sleeve 33 ' is excentric sleeve, is installed in the end carriage hole 21 ' of end carriage 2 ' head, and is fixed in end carriage hole 21 ' by a plurality of unpacking screws 37 ', prevents that end carriage axle sleeve 33 ' from rotating.Interior side shield 36 ' is arranged on two sides that end carriage axle sleeve 33 ' is relative, and welding equipment is in a side in end carriage hole 21 ', axially to block end carriage axle sleeve 33 ' by interior side shield 36 ', prevents its vibration.Adjust the endplay that backing plate 34 ' is used for adjusting end carriage 2 ' and girder 1 ', belong to assembling and determine thickness.
Fig. 4 is the cross-sectional schematic along B-B in Fig. 3.As shown in Figure 4, the cross section of step surface 312 ' is four jiaos of squares with rounding arc angle, and the second perforate H2 ' of end carriage axle sleeve 33 ' is for having the oblong of chamfering.The left and right sidewall of step surface 312 ' is matched with the left and right inwall of the second perforate H2 ', and has certain gap in upper and lower both sides.When hoisting crane orbits, not at ordinary times, two groups of the inner sides wheel 12 ' on girder 1 ' can be relative movable on hinge 31 ' with end carriage 2 ' for track, and left and right coordinates with axle, to reach end carriage, is not subject to additional bending moment and shearing.
There is following deficiency in prior art:
As shown in Figure 4, when hinge 31 ' is during with respect to end carriage axle sleeve 33 ' up-and-down movement, the left and right sides wearing and tearing that end carriage axle sleeve 33 ' coordinates with hinge 31 ' are larger, in conjunction with Fig. 2, find out, distance between two girder wheels 12 ' is because the wearing and tearing of end carriage axle sleeve 33 ' strengthen, cause main carriage gauge to become large, affect the normal operation of main carriage, need to change.In existing structure, change end carriage axle sleeve 33 ' very difficult, need be by main carriage jack-up from secondary girder 4 ', while not stressing on a girder 1 ', extract end carriage hinge device 3 ' out girder 1 ' and push a side to, now can disassemble the interior end carriage axle sleeve 33 ' of axis hole 21 ' of end carriage 2 '.Changed end carriage axle sleeve 33 ', girder 1 ' resets, and wears hinge 31 ', and opposite side is so disassembled installation.A ladle carne has four hinges 31 ', changes whole end carriage axle sleeves 33 ', in the time of smoothly, needs 48 hours, and work capacity is large, the time is long, the effort of taking a lot of work, and has a strong impact on the normal production of smelter.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, invent a kind of new apparatus structure, both kept function and the characteristic of former end carriage hinge, can observe at any time again service condition and the wear pattern of hinge, Maintenance and Repair are changed very convenient.
For achieving the above object, the invention provides a kind of end carriage hinge device, for connecting girder and the end carriage of hoisting crane, described end carriage hinge device comprises a hinge, lay respectively at two girder axle sleeves and two end carriage axle sleeves at described hinge two ends, described hinge comprises the first spindle nose and the second spindle nose, and the first step portion and the second step portion that is positioned at described the second spindle nose inner side that are positioned at described the first spindle nose inner side, described two end carriage axle sleeves are set in respectively in described first step portion and described second step portion, described two girder axle sleeves are set in respectively on described the first spindle nose and described the second spindle nose, described two girder axle sleeves are individually fixed in described girder and part is arranged in girder hole, described two end carriage axle sleeves are fixedly installed on respectively in the end carriage hole of end carriage, two the first perforates of described two girder axle sleeves have respectively left and right inwall, described the first spindle nose and described the second spindle nose can slide up and down along described left and right inwall in described the first perforate, described hinge also comprises two adjustment backing plates that are separately positioned between described two groups of girder axle sleeves and end carriage axle sleeve, one of them adjust backing plate be arranged on described the second spindle nose and the lateral margin that is resisted against described second step portion to stop described hinge to move, the lateral margin of described first step portion is interfered with the first perforate that is positioned at the described girder axle sleeve of described hinge left end.
In an embodiment of the present invention, described the first spindle nose and described the second spindle nose have respectively left and right sidewall, and described left and right sidewall fits in described left and right inwall and slides up and down.
In an embodiment of the present invention, described first step portion is cylindrical, and the distance between the left and right inwall of described the first perforate is less than the diameter of described first step portion.
In an embodiment of the present invention, described two the first perforates also comprise upper and lower inwall, described the first spindle nose and described the second spindle nose also comprise respectively top and bottom sidewall, described upper and lower inwall comprises respectively the cambered surface at two ends and middle facing directly, facing directly respectively perpendicular to described left and right inwall of described upper and lower inwall, described top and bottom sidewall comprises the cambered surface at two ends and middle facing directly equally, facing directly respectively perpendicular to described left and right sidewall of described top and bottom sidewall, the radian of the cambered surface of described upper and lower inwall is less than or equal to the radian of the cambered surface of described top and bottom sidewall.
In an embodiment of the present invention, described first step portion is cylindrical, distance between the left and right inwall of described the first perforate is less than the diameter of described first step portion, the diameter of described first step portion be more than or equal to described upper and lower inwall described in distance between facing directly.
In an embodiment of the present invention, two relative sides of described end carriage axle sleeve are fixedly installed two interior side shields.
In an embodiment of the present invention, the large 16mm to 30mm of length of left and right sidewall described in the Length Ratio of described left and right inwall.
In an embodiment of the present invention, the lateral margin of described girder axle sleeve has perforate, for described screw, inserts so that described girder axle sleeve and described girder are fixed together.
In an embodiment of the present invention, described interior side shield has perforate, and the aperture of described perforate is less than the external diameter of described end carriage axle sleeve.
In end carriage hinge device of the present invention, end carriage head axis hole anchor shaft, hinge and girder axle sleeve have up and down and relatively move, girder axle sleeve is consumable accessory, can observe at any time wear pattern, change very conveniently, reduce labour cost, improve the efficiency of Maintenance and Repair, reduced the cost of Maintenance and Repair.For enterprise has increased larger benefit.
Accompanying drawing explanation
Fig. 1 is the connection schematic top plan view of the girder of hoisting crane in prior art, secondary girder and end carriage.
Fig. 2 is that the master of the girder of hoisting crane in prior art, secondary girder and end carriage looks schematic diagram.
Fig. 3 is the cross-sectional schematic along A-A line in Fig. 2, only demonstrates the end carriage hinge device in existing technology.
Fig. 4 is the generalized section along B-B line in Fig. 3.
Fig. 5 is the cross-sectional schematic of end carriage hinge device in one embodiment of the invention.
Fig. 6 is that A in Fig. 5 is to schematic diagram.
The specific embodiment
One embodiment of the invention provides a kind of new end carriage hinge device.As shown in Figure 5.In one embodiment of the invention end carriage hinge device 3 comprise hinge 31, two girder axle sleeves 32, two end carriage axle sleeves 33, two adjust backing plate 34 and two interior side shields 35.The two ends of hinge 31 are respectively the first spindle nose 313 and the second spindle nose 314, are adjacent to the first spindle nose 313 and the second spindle nose 314 has respectively first step portion 311 and second step portion 312.Girder axle sleeve 32 is excentric sleeve, and the flange that each girder axle sleeve 32 has columned body and outwards turns down, body has the first perforate H1, and two the first perforate H1 coordinate with the first spindle nose 313 and the second spindle nose 314, so that two girder axle sleeves 32 are set in respectively on hinge 31.The external diameter of girder axle sleeve 32 cylindrical bodies coordinates with the axle sleeve hole of girder 1 head, and flange is fixed on the side plate of girder 1 head by a plurality of screws.Two end carriage axle sleeves 33 are cylindric, and have the second perforate H2 passing for hinge 31.Two the second perforate H2 coordinate with first step portion 311 and second step portion 312, and two end carriage axle sleeves 33 are set in respectively on hinge 31.The external diameter of end carriage axle sleeve 33 coordinates with the axle sleeve hole of end carriage 2 heads, and fixing with a plurality of unpacking screws 36, to prevent that two end carriage axle sleeves 33 from rotating at circumferencial direction in use.Baffle plate 35 welding equipments of 21 inner sides, end carriage hole are on end carriage 2, and interior side shield 35 has perforate, and the aperture of described perforate is less than the external diameter of end carriage axle sleeve 33, its objective is that blocking end carriage axle sleeve 33 prevents its inside vibration in the axial direction, plays axial location effect.
Between girder axle sleeve 32 and end carriage axle sleeve 33, with adjusting backing plate 34, separate, to adjust the assembly clearance between them, adjust the lateral margin that backing plate 34 is arranged on the second spindle nose 314 and is resisted against second step portion 312, can prevent axle sleeve left and right vibration, wherein in Fig. 5, the adjustment backing plate 34 on right side is equipped with on the second spindle nose 314, the internal diameter of adjusting the perforate of backing plate 34 coordinates with the external diameter of the second spindle nose 314, has played hinge 31 effect of direction vibration laterally that prevents.The internal diameter of the perforate of the adjustment backing plate 34 in left side is preferably the external diameter that is equal to or slightly greater than first step portion 311, with technique convenient for assembly.
Fig. 6 be along the A in Fig. 5 to schematic diagram.As shown in Figure 6, the outer rim of girder axle sleeve 32 is girder axle sleeve 32 and girder 1 to be fixed together with screw and locking pad by 8 holes.And be provided with 4 and disassemble screw hole.The first perforate H1 of two girder axle sleeves 32 has respectively left and right inwall, and the first spindle nose 313 and the second spindle nose 314 can be slided up and down along left and right inwall in the first perforate H1.The first spindle nose 313 and the second spindle nose 314 are preferably has respectively left and right sidewall, and the distance between the sidewall of left and right equals the distance between the left and right inwall of the first perforate H1, and the left and right inwall that makes left and right sides wall energy enough fit in the first perforate H1 slides up and down.So, the two sides of hinge 31 are stressed.Can increase stressed area, improve service life.
In a preferred embodiment, the first perforate H1 also comprises upper and lower inwall, the first spindle nose 313 and the second spindle nose 314 also comprise respectively top and bottom sidewall, and the inwall up and down of the first perforate H1 comprises respectively the cambered surface at two ends and middle facing directly, and inwall faces directly respectively perpendicular to left and right inwall up and down.Top and bottom sidewall comprises the cambered surface at two ends and middle facing directly equally, the facing directly respectively perpendicular to left and right sidewall of top and bottom sidewall.The radian of the cambered surface of upper and lower inwall is less than or equal to the radian of the cambered surface of top and bottom sidewall.Also, similar four angles of the shape of the first perforate H1 are through the oblong of chamfering.The cross sectional shape of the first spindle nose 313 is also similar to four angles through the square of chamfering.Distance between two of the upper and lower inwall of the first perforate H1 face directly, than two large certain distances of size between facing directly up and down of the first spindle nose 313, for example, for respectively exceeding up and down 8mm to 15mm, also exceeds 16mm to 30mm altogether.
Adding man-hour, by the both sides of the hinge of cooperation 31 and originally rounded the first spindle nose 313 and the second spindle nose 314 and respectively process up and down one section of vertical plane surface, the section of above-mentioned two spindle noses of hinge 31 forms four sides one section of orthogonal plane, and four jiaos have one section of circular arc.Two holes that spindle nose section both sides size matches of hinge 31 are therewith processed into in the left and right sides of the first perforate H1 of girder axle sleeve 32, hoisting crane runs into large Car Track injustice and exceeds standard when serious in operational process like this, or crane track load bearing beam distortion is when larger, end carriage hinge 3 has enough adjustment surpluses up and down.
In other embodiments, the inwall up and down of the first perforate H1 can also be circular arc, and the top and bottom sidewall of the first spindle nose 314 can be circular arc equally, as long as can not interfere the first spindle nose 314 to slide in the first perforate H1, does not repeat them here.
In addition, as mentioned above, the step surface 312 on hinge 31 right sides is connected to be adjusted on backing plate 34, to prevent end carriage axle sleeve 33 vibration to the right by adjusting the setting of backing plate 34.In addition in conjunction with shown in Fig. 6, the first perforate H1 of the girder axle sleeve 32 in hinge 31 left sides is slot, first step portion 311 can be cylindrical, and its diameter is greater than the width of the first perforate H1, be more than or equal to the length of the first perforate H1 simultaneously, make first step portion 311 can stop the motion of girder axle sleeve 32, prevent girder axle sleeve 32 vibration to the right, also prevent hinge 31 vibration left, played the axial location of hinge.
In end carriage hinge device of the present invention, the two ends spindle nose of hinge and the first perforate of girder axle sleeve have up and down and relatively move, the end carriage axle sleeve that consumable accessory is difficult to dismounting in prior art has become girder axle sleeve, can observe at any time wear pattern, change very convenient, reduce labour cost, improved the efficiency of Maintenance and Repair, reduced the cost of Maintenance and Repair.For enterprise has increased larger benefit.
Although described the present invention with reference to several exemplary embodiments, should be appreciated that term used is explanation and exemplary and nonrestrictive term.Because can specifically implementing in a variety of forms, the present invention do not depart from spirit of the present invention or essence, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claims, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be claims and contain.

Claims (8)

1. an end carriage hinge device, for connecting girder (1) and the end carriage (2) of hoisting crane, it is characterized in that, described end carriage hinge device (3) comprises a hinge (31), lay respectively at two girder axle sleeves (32) at described hinge (31) two ends and lay respectively at two end carriage axle sleeves (33) at described hinge (31) two ends, described hinge (31) comprises the first spindle nose (313) that is positioned at one end and the second spindle nose (314) that is positioned at the other end, and be positioned at the first step portion (311) of described the first spindle nose (313) inner side and be positioned at the second step portion (312) inside described the second spindle nose (314), described two end carriage axle sleeves (33) are set in respectively in described first step portion (311) and described second step portion (312), described two girder axle sleeves (32) are set in respectively on described the first spindle nose (313) and described the second spindle nose (314), described two girder axle sleeves (32) are individually fixed in described girder (1) and part is arranged in girder hole, described two end carriage axle sleeves (33) are fixedly installed on respectively in the end carriage hole of described end carriage (2), first perforate (H1) of described two girder axle sleeves (32) has respectively left and right inwall, described the first spindle nose (313) and described the second spindle nose (314) can slide up and down along described left and right inwall in described the first perforate (H1).
2. end carriage hinge device as claimed in claim 1, it is characterized in that, described hinge (31) also comprises and is arranged on the described girder axle sleeve (32) of the every one end of described hinge (31) and the adjustment backing plate (34) between described end carriage axle sleeve (33), one of them is adjusted backing plate (34) and is arranged at lateral margin that described the second spindle nose (314) go up and was resisted against described second step portion (312) to stop described hinge (31) movement, the lateral margin of described first step portion (311) is interfered with the first perforate (H1) that is positioned at the described girder axle sleeve (32) of described hinge (31) left end.
3. end carriage hinge device as claimed in claim 2, is characterized in that, described the first spindle nose (313) and described the second spindle nose (314) have respectively left and right sidewall, and described left and right sidewall fits in described left and right inwall and slides up and down.
4. end carriage hinge device as claimed in claim 3, is characterized in that, described first step portion (311) is cylindrical, and the distance between the left and right inwall of described the first perforate (H1) is less than the diameter of described first step portion (311).
5. end carriage hinge device as claimed in claim 3, it is characterized in that, described two the first perforates (H1) also comprise upper and lower inwall, described the first spindle nose (313) and described the second spindle nose (314) also comprise respectively top and bottom sidewall, described upper and lower inwall comprises respectively the cambered surface at two ends and middle facing directly, facing directly respectively perpendicular to described left and right inwall of described upper and lower inwall, described top and bottom sidewall comprises the cambered surface at two ends and middle facing directly equally, facing directly respectively perpendicular to described left and right sidewall of described top and bottom sidewall, the radian of the cambered surface of described upper and lower inwall is less than or equal to the radian of the cambered surface of described top and bottom sidewall.
6. end carriage hinge device as claimed in claim 5, it is characterized in that, described first step portion (311) is cylindrical, distance between the left and right inwall of described the first perforate (H1) is less than the diameter of described first step portion (311), the diameter of described first step portion (311) be more than or equal to described upper and lower inwall described in distance between facing directly.
7. end carriage hinge device as claimed in claim 2, it is characterized in that, the side that two described end carriage axle sleeves (33) are relative is fixedly installed two interior side shields (35), and described interior side shield (35) has perforate, and the aperture of described perforate is less than the external diameter of described end carriage axle sleeve (33).
8. end carriage hinge device as claimed in claim 2, it is characterized in that, the distance large 16mm of the distance between two of the inwall up and down of described the first perforate (H1) face directly between facing directly than two of the top and bottom sidewalls of described the first spindle nose (313) or described the second spindle nose (314) is to 30mm.
CN201210143929.0A 2012-05-10 2012-05-10 End beam hinge device Expired - Fee Related CN102659023B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210143929.0A CN102659023B (en) 2012-05-10 2012-05-10 End beam hinge device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210143929.0A CN102659023B (en) 2012-05-10 2012-05-10 End beam hinge device

Publications (2)

Publication Number Publication Date
CN102659023A CN102659023A (en) 2012-09-12
CN102659023B true CN102659023B (en) 2014-01-29

Family

ID=46768648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210143929.0A Expired - Fee Related CN102659023B (en) 2012-05-10 2012-05-10 End beam hinge device

Country Status (1)

Country Link
CN (1) CN102659023B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104163382A (en) * 2013-05-17 2014-11-26 山东丰汇设备技术有限公司 Axial positioning device for running wheels of hoisting machinery

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5669518A (en) * 1996-02-26 1997-09-23 Kundel; Robert Modular lift rail system
US5791257A (en) * 1997-01-08 1998-08-11 Harnischfeger Corporation Overhead crane with adjustable bearings
CN201065301Y (en) * 2007-07-03 2008-05-28 沈阳铝镁设计研究院 End beam device for charcoal block stacking crown block
DE202007013320U1 (en) * 2007-09-21 2007-11-22 BECON Vermögenverwaltungs GmbH Running track for trolley
CN201713218U (en) * 2010-05-26 2011-01-19 卫华集团有限公司 End beam of bridge crane
CN102418743A (en) * 2011-08-17 2012-04-18 太原重工股份有限公司 Rolling bearing unit

Also Published As

Publication number Publication date
CN102659023A (en) 2012-09-12

Similar Documents

Publication Publication Date Title
CN105904343A (en) Quick Change Adapter For Grinding Wheels
CN102659023B (en) End beam hinge device
CN104942030A (en) Alignment roller used for bar cold bed
US20140000472A1 (en) Arrangement consisting of a travelling gear carrier and a running wheel block fastened detachably thereto, and installation method therefor
CN202622271U (en) Cylinder body welding fixture
CN207494832U (en) The group of industrial-mineral electric locomotive axle box square hole is to tooling
CN104624880B (en) The axially rolled device of large-scale ring rolling machine of gap is adjusted on inclined-plane
US20130272635A1 (en) Bearing
CN108436361B (en) Modularized assembly welding tool and method for wheel boxes of crane locomotives
CN102513579B (en) Processing tool and processing method of inner hole of oil pump hole for engine body
CN107777550A (en) A kind of articulated mounting of four beams loading bridge
CN203033664U (en) Hinge joint device of crane bridge of four-beam crane
RU190806U1 (en) TRACK SUPPLY SUPPORT
CN108825898A (en) A kind of novel curved surface connecting flange and its processing method
CN204638734U (en) Bar Cooling Bed alignment roller
CN211275884U (en) Compact closed rolling mill assembly structure
AU2018391326A1 (en) Grinding mill liner
US11891280B2 (en) Arrangement and method for aligning a wheel block on an end carriage, in particular a crane end carriage
CN217727460U (en) Copper disc structure for reinforcement cage welding machine
CA3013365C (en) Wheels for displacement trucks
CN207432150U (en) A kind of workbench for being used to carry engine base
CN114083229A (en) Method for manufacturing annular thick plate magnet yoke
CN103419041A (en) Process for machining positioning device for combination fixture of workbench of numerical-control milling machine
CN107877049B (en) Assembly tool for square holes of axle box of industrial and mining motor vehicle
CN204413742U (en) Numerical control landing milling process tool spindle box balance weight moves and weight rail adjustment means

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140129

CF01 Termination of patent right due to non-payment of annual fee