CN106351278B - Gyration gear ring structure and land leveller - Google Patents

Gyration gear ring structure and land leveller Download PDF

Info

Publication number
CN106351278B
CN106351278B CN201510442112.7A CN201510442112A CN106351278B CN 106351278 B CN106351278 B CN 106351278B CN 201510442112 A CN201510442112 A CN 201510442112A CN 106351278 B CN106351278 B CN 106351278B
Authority
CN
China
Prior art keywords
flank
tooth plate
gear ring
turning circle
ring structure
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.)
Active
Application number
CN201510442112.7A
Other languages
Chinese (zh)
Other versions
CN106351278A (en
Inventor
宋天佳
吕昌
魏永祥
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.)
Construction Machinery Branch of XCMG
Original Assignee
Construction Machinery Branch of XCMG
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 Construction Machinery Branch of XCMG filed Critical Construction Machinery Branch of XCMG
Priority to CN201510442112.7A priority Critical patent/CN106351278B/en
Publication of CN106351278A publication Critical patent/CN106351278A/en
Application granted granted Critical
Publication of CN106351278B publication Critical patent/CN106351278B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Gears, Cams (AREA)

Abstract

The invention discloses a kind of gyration gear ring structure and land levellers, are related to engineering machinery field, to optimize the structure of existing gyration gear ring structure.The gyration gear ring structure includes flank of tooth plate, turning circle and connection structure;It is detachably connected between the flank of tooth plate and the turning circle, the connection structure is fixedly connected with the turning circle.In above-mentioned technical proposal, uses and be detachably connected between flank of tooth plate and turning circle.In actual use, abrasion, damage can occur for flank of tooth plate, when needing replacing, flank of tooth plate can be disassembled from turning circle, then only replace flank of tooth plate, without replacing entire gyration gear ring structure.Replacement cost can be so reduced, material and resource are saved, and flank of tooth plate is made to be easier to replace and assemble.

Description

Gyration gear ring structure and land leveller
Technical field
The present invention relates to engineering machinery fields, and in particular to a kind of gyration gear ring structure and land leveller.
Background technique
Land leveller is one kind based on perching knife, is equipped with other a variety of interchangeable apparatus for work, carries out prepartion of land and shaping is made The shovel soil of industry transports construction machinery.Land leveller be mainly used for the large area land smoothing operation such as road, airport, farmland, water conservancy with And scrape slope, ditching, the construction operation for bulldozing, loosening the soil, removing ice and snow on road surfaces etc., be defence engineering, traffic, in mine, water conservancy One of important equipment in capital construction construction.
Gyration gear ring structure is mainly used on the land leveller in engineering machinery, is the core component of land leveller, it is desirable that is returned Turn gear ring structure with wear-resisting, impact-resistant good characteristic.Currently, the manufacturing method that domestic land leveller gyration gear ring structure uses Mainly there are solid forging, four sections of annulus weldings and multiple tooth circle section slewing equipment.
Using solid forging mode, diameter ring gear is bigger, is easy to appear forging defect.In addition, in solid forging gear ring Gear ring and flank of tooth plate can only be identical more excellent material, gyration gear ring higher cost;Using welding mode, gear ring uses general Conventional material, flank of tooth plate can use preferable material, and two kinds of materials are connected in the form of welding.Below with reference to Fig. 1 and Fig. 2 The method of the gyration gear ring structure manufactured in the prior art using welding mode is discussed in detail.
The structure of gyration gear ring structure is as depicted in figs. 1 and 2, and the manufacturing method of the gyration gear ring structure includes following steps It is rapid:
Step 1, gear ring 40 and flank of tooth plate 20 are prepared respectively.Wherein, the processing method of gear ring 40 are as follows: cut from profile steel plate A suitable steel plate is cut out, a suitable steel plate lopping shape is rolled, two ends of circle shape head and the tail weld together.The processing method of flank of tooth plate 20 Are as follows: muti-piece curved plate 20 ' is cut into from profile steel plate, the series connection welding of muti-piece curved plate 20 ' circularizes.
Step 2, by gear ring 40 together with 20 coaxial welding of flank of tooth plate.
Step 3, the affixed bindiny mechanism 30 on gear ring 40 and flank of tooth plate 20.
Step 4, tooth form is cut on flank of tooth plate 20.
Step 5, it is heat-treated tooth form.
The profile steel plate of gear ring 40 and flank of tooth plate 20 is all made of the thick steel plate of low-alloy high-tensile structural steel.Bindiny mechanism 30 It is axially symmetrical set, bindiny mechanism 30 includes two lifting eye seats 31 being welded on gear ring 40, is installed in two respectively and hangs The pipe branch 32 and pipe branch 33 of ear mount 31 or so, the plate 34 for being respectively and fixedly connected to gear ring 40 or so and plate 35 connect in gear ring 40 together respectively The floor 36 and floor 37 of left and right, the crossbeam 38 being located on plate 34 and plate 35 together and limited step 39.The limited step 39 of the left and right sides It is respectively and fixedly connected with plate 34 and floor 36, plate 35 and floor 37.The pipe branch 32 of the left and right sides, the upper end of pipe branch 33 are also installed in cross respectively On two ends of beam 38, the front side of left and right sides floor 36,37 is respectively and fixedly connected to the rear side of left and right side plates 34, plate 35.
Inventors have found that at least there are following problems in the prior art: solid forging and welding both manufacturing method shapes At land leveller gyration gear ring can only replace entire gyration gear ring assembly after the gear on flank of tooth plate is worn, cause material And the wasting of resources;Or flank of tooth reparation is carried out on the basis of entire gyration gear ring, since gyration gear ring diameter is bigger, and There are other attached welding structures, brings difficulty to repair.
Summary of the invention
One of purpose of the invention is to propose a kind of gyration gear ring structure and land leveller, to optimize existing rotary teeth The structure of coil structures.
To achieve the above object, the present invention provides following technical schemes:
The present invention provides a kind of gyration gear ring structures comprising: flank of tooth plate, turning circle and connection structure;
It is detachably connected between the flank of tooth plate and the turning circle, the connection structure and the fixed company of the turning circle It connects.
Gyration gear ring structure as described above, it is preferred that the flank of tooth plate is ring structure, the inner ring of the flank of tooth plate On be provided with a circle engaging tooth.
Gyration gear ring structure as described above, it is preferred that gyration gear ring structure further include setting in the flank of tooth plate and Match cyclization between the turning circle, described one of them detachably connects with both cyclization and the flank of tooth plate and the turning circle Connect, it is described with cyclization with both the flank of tooth plate and the turning circle are wherein another is fixedly connected.
Gyration gear ring structure as described above, it is preferred that it is described to be welded with cyclization and the turning circle, it is described to match cyclization It is detachably connected between the flank of tooth plate by high-strength bolt formation.
Gyration gear ring structure as described above, it is preferred that described with being provided with a ring through hole, the flank of tooth plate in cyclization On be correspondingly arranged on a circle screw hole, the high-strength bolt is formed across the through-hole and the screw hole and is threadedly coupled.
Gyration gear ring structure as described above, it is preferred that the connection structure includes the first connector and the second connection Body;
One end of first connector is fixed with the turning circle, and one end of the other end and second connector is solid It is fixed;
The other end of second connector is fixed with the turning circle.
Gyration gear ring structure as described above, it is preferred that one end of first connector and the end of the turning circle Face is fixed;The cylindrical surface of the other end and the turning circle of second connector is fixed.
Gyration gear ring structure as described above, it is preferred that first connector includes solid with turning circle welding The third branch pipe of the first branch pipe and the second branch pipe and first branch pipe welding that fixed support base and the support base weld, With the 4th branch pipe of second branch pipe welding, the simultaneously connecting cross beam with the third branch pipe and the 4th branch pipe welding;
Wherein, first branch pipe and second branch pipe are symmetrical arranged relative to the support base.
Gyration gear ring structure as described above, it is preferred that the quantity of second connector is two, two described the Two connectors are arranged relative to the axisymmetrical of the turning circle.
The embodiment of the present invention also provides a kind of land leveller comprising gyration gear ring provided by any technical solution of the present invention Structure.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:
In above-mentioned technical proposal, uses and be detachably connected between flank of tooth plate and turning circle.In actual use, flank of tooth plate meeting Abrasion, damage occurs, when needing replacing, flank of tooth plate can be disassembled from turning circle, then only replaces flank of tooth plate, and Entire gyration gear ring structure that no replacement is required.Replacement cost can be so reduced, saves material and resource, and flank of tooth plate is easier to In replacement and assembly.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic front view of land leveller gyration gear ring assembly in the prior art;
Fig. 2 is the stereoscopic schematic diagram of existing land leveller gyration gear ring assembly;
Fig. 3 is the stereoscopic schematic diagram of gyration gear ring structure provided by the embodiment of the utility model;
Fig. 4 is the schematic front view of gyration gear ring structure provided by the embodiment of the utility model;
Fig. 5 is the schematic top plan view of gyration gear ring structure provided by the embodiment of the utility model;
Fig. 6 is the partial enlarged view of gyration gear ring structure provided by the embodiment of the utility model.
Specific embodiment
Technical solution provided by the invention is illustrated in more detail below with reference to Fig. 3~Fig. 6.
The present embodiment provides a kind of gyration gear ring structures, and it is suitable for middle-size and small-size land leveller and similar engineering are mechanical.This time Turning gear ring structure includes flank of tooth plate 3, turning circle 1 and connection structure.It is detachably connected between flank of tooth plate 3 and turning circle 1, connection knot Structure is fixedly connected with turning circle 1.
In above-mentioned technical proposal, uses and be detachably connected between flank of tooth plate 3 and turning circle 1.In actual use, flank of tooth plate 3 can occur abrasion, damage, when needing replacing, flank of tooth plate 3 can be disassembled from turning circle 1, then only replace the flank of tooth Plate 3, without replacing entire gyration gear ring structure.Replacement cost can be so reduced, material and resource are saved.
Referring to Fig. 3 and Fig. 4, flank of tooth plate 3 is ring structure, is provided with a circle engaging tooth 9 on the inner ring of flank of tooth plate 3.
Different from the structure made of multistage curved panel welding of flank of tooth plate in the prior art, above-mentioned technical proposal uses The flank of tooth plate 3 of monolithic construction can first process the engaging tooth 9 on flank of tooth plate 3, then again that flank of tooth plate 3 and turning circle 1 is removable Unload connection.It can simplify the manufacturing process of gyration gear ring structure in this way, and save manufacturing time.
Flank of tooth plate 3 with a thickness of 30mm-40mm, for example be 30mm, 35mm, 40mm.Using the flank of tooth plate 3 of this thickness, one It then can satisfy the performance of gyration gear ring structure, three flank of tooth plates 3 can disposably second be processed using current technique, significantly Improve the processing efficiency of flank of tooth plate 3.
Referring to fig. 4 to Fig. 6, in the present embodiment, specifically realized detachably using with cyclization 2 between flank of tooth plate 3 and turning circle 1 Connection, specific as follows: gyration gear ring structure further includes being arranged between flank of tooth plate 3 and turning circle 1 to match cyclization 2.With cyclization 2 with One of them is detachably connected for both flank of tooth plate 3 and turning circle 1, wherein another with cyclization 2 and both flank of tooth plate 3 and turning circle 1 It is fixedly connected.
Setting can simplify turning circle 1 and the respective structure of flank of tooth plate 3 with cyclization 2.
Can be fixed with turning circle 1 with cyclization 2, it is detachably connected with flank of tooth plate 3;Alternatively, solid with cyclization 2 and flank of tooth plate 3 It is fixed, it is detachably connected with turning circle 1.It can after the engaging tooth 9 on flank of tooth plate 3 is worn using above-mentioned former mode Only to replace flank of tooth plate 3.When using latter approach, after the engaging tooth 9 on flank of tooth plate 3 is worn, need simultaneously more Change flank of tooth plate 3 and with cyclization 2.As it can be seen that former mode is preferable, the present embodiment is also, previous for using former mode Kind mode can be to avoid the deformation of flank of tooth plate 3 in welding process.
Specifically, being welded with cyclization 2 and turning circle 1, matches and pass through 10 shape of high-strength bolt between cyclization 2 and flank of tooth plate 3 At being detachably connected.Signified high-strength bolt 10 refers to good 12.9 grade bolt herein.
Referring to fig. 4 and Fig. 6 with a ring through hole is provided in cyclization 2 is correspondingly arranged on a circle screw hole on flank of tooth plate 3, high-strength Degree bolt 10 is formed across through-hole and screw hole to be threadedly coupled.
The specific implementation of connection structure is described below.Referring to Fig. 3, connection structure specifically includes 5 He of the first connector Second connector 4.One end of first connector 5 and turning circle 1 are fixed, and one end of the other end and the second connector 4 is fixed.Second The other end and turning circle 1 of connector 4 are fixed.
The structure of first connector 5 and the second connector 4 can be configured according to actual condition.Referring to Fig. 3 and Fig. 4, originally In embodiment, the first connector 5 specifically includes the support base 7 being welded and fixed with turning circle 1, first with the welding of support base 7 Pipe 51 and the second branch pipe 52, with the third branch pipe 61 of the first branch pipe 51 welding, with the 4th branch pipe 62 of the second branch pipe 52 welding, same When the connecting cross beam 8 that is welded with third branch pipe 61 and the 4th branch pipe 62.Wherein, the first branch pipe 51 and the second branch pipe 52 are relative to branch Seat 7 is supportted to be symmetrical arranged.
Referring to Fig. 3, one end of the first connector 5 and the end face of turning circle 1 are fixed;The other end of second connector 4 with return Turn-take 1 cylindrical surface is fixed.Specifically, support base 7 and the end face of turning circle 1 are welded and fixed.
Second connector 4 can be plate structure, but not limited to this.
The quantity of the second connector 4 is two in the present embodiment, axis of two the second connectors 4 relative to turning circle 1 It is symmetrical arranged.
By the first connector 5 and two the second connectors 4, more firm connection structure can be formed.
Gyration gear ring structure is discussed in detail below with reference to Fig. 3 to Fig. 6.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6.Gyration gear ring structure it include turning circle 1, with cyclization 2, flank of tooth plate 3, be located at Two the second connectors 4, the first branch pipe 51 positioned at the left and right sides and the second branch pipe 52 of left and right sides, positioned at upper and lower third branch Pipe 61 and the 4th branch pipe 62, support base 7, connecting cross beam 8, the flank of tooth plate 3 with engaging tooth 9, high-strength bolt 10, standard elasticity Gasket 11.Wherein, flank of tooth plate 3 is by high-strength bolt 10,11 assembly connection of elastomeric pad in cyclization 2.With cyclization 2 and return It turn-takes and 1 links together by welding, the first branch pipe 51, the second branch pipe 52, third branch pipe 61, the 4th branch pipe 62, branch Support seat 7, connecting cross beam 8 are welded as a whole.Positioned at the second connector 4 of left and right sides be all welded as with turning circle 1 one it is whole Body, support base 7 are welded as a whole with turning circle 1.Flank of tooth plate 3 is process by round steel forging, is greatly reduced to processing The requirement of precision, and fit-up gap is not present, it ensure that the accuracy of mesh.It can be in 9 process of engaging tooth in flank of tooth plate 3 3 flank of tooth plates 3 are put together and are processed.First branch pipe 51 and the second branch pipe 52, third branch pipe 61 and the 4th branch pipe 62 divide Structure is not arranged symmetrically it.
The gyration gear ring structure that above-mentioned technical proposal provides, using fabricated flank of tooth plate 3, common 9 position of engaging tooth After abrasion, it is only necessary to lay down high-strength bolt 10, flank of tooth plate 3 be rotated 120 °, ressembling can continue to use, and extend The service life of gyration gear ring.After most of engaging tooth 9 on flank of tooth plate 3 is seriously worn, flank of tooth plate 3 is also only needed replacing, no The remaining part for needing replacing land leveller gyration gear ring assembly, reduces resource waste, and has saved maintenance cost.In addition, using Fabricated flank of tooth plate 3, avoids the deformation of flank of tooth plate 3 in welding process, improves nibbling between worm gear case and gyration gear ring Close precision.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection The limitation of appearance.
If the words such as " first ", " second " are used herein come if limiting components, those skilled in the art are answered This knows: the use of " first ", " second " is intended merely to facilitate the description present invention and simplifies description, does not in addition state such as, Above-mentioned word has no special meaning.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (9)

1. a kind of gyration gear ring structure characterized by comprising flank of tooth plate (3), turning circle (1) and connection structure;
It is detachably connected between the flank of tooth plate (3) and the turning circle (1), the connection structure and the turning circle (1) are solid Fixed connection;
The flank of tooth plate (3) is ring structure and is monoblock type, is provided with a circle engaging tooth on the inner ring of the flank of tooth plate (3) (9)。
2. gyration gear ring structure according to claim 1, which is characterized in that further include setting in the flank of tooth plate (3) and Match cyclization (2) between the turning circle (1), it is described with both cyclization (2) and the flank of tooth plate (3) and the turning circle (1) One of them is detachably connected, described wherein another solid with both cyclization (2) and the flank of tooth plate (3) and the turning circle (1) Fixed connection.
3. gyration gear ring structure according to claim 2, which is characterized in that described to match cyclization (2) and the turning circle (1) Welding, it is described between cyclization (2) and the flank of tooth plate (3) by high-strength bolt (10) formation be detachably connected.
4. gyration gear ring structure according to claim 3, which is characterized in that described logical with a circle is provided on cyclization (2) Hole, a circle screw hole is correspondingly arranged on the flank of tooth plate (3), and the high-strength bolt (10) passes through the through-hole and the screw hole Between formed be threadedly coupled.
5. gyration gear ring structure according to claim 1, which is characterized in that the connection structure includes the first connector (5) and the second connector (4);
One end and the turning circle (1) of first connector (5) are fixed, the other end and the one of second connector (4) End is fixed;
The other end of second connector (4) and the turning circle (1) are fixed.
6. gyration gear ring structure according to claim 5, which is characterized in that one end of first connector (5) and institute The end face for stating turning circle (1) is fixed;The cylindrical surface of the other end and the turning circle (1) of second connector (4) is fixed.
7. gyration gear ring structure according to claim 5, which is characterized in that first connector (5) include with it is described The first branch pipe (51) and the second branch pipe (52) of support base (7) and the support base (7) welding that turning circle (1) is welded and fixed, With the third branch pipe (61) of first branch pipe (51) welding, with the 4th branch pipe (62) of second branch pipe (52) welding, same When with the third branch pipe (61) and the 4th branch pipe (62) welding connecting cross beam (8);
Wherein, first branch pipe (51) and second branch pipe (52) are symmetrical arranged relative to the support base (7).
8. gyration gear ring structure according to claim 6, which is characterized in that the quantity of second connector (4) is two A, two second connectors (4) are arranged relative to the axisymmetrical of the turning circle (1).
9. a kind of land leveller, which is characterized in that including any gyration gear ring structure of claim 1-8.
CN201510442112.7A 2015-07-24 2015-07-24 Gyration gear ring structure and land leveller Active CN106351278B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510442112.7A CN106351278B (en) 2015-07-24 2015-07-24 Gyration gear ring structure and land leveller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510442112.7A CN106351278B (en) 2015-07-24 2015-07-24 Gyration gear ring structure and land leveller

Publications (2)

Publication Number Publication Date
CN106351278A CN106351278A (en) 2017-01-25
CN106351278B true CN106351278B (en) 2019-06-21

Family

ID=57842818

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510442112.7A Active CN106351278B (en) 2015-07-24 2015-07-24 Gyration gear ring structure and land leveller

Country Status (1)

Country Link
CN (1) CN106351278B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106944821B (en) * 2017-04-27 2020-05-19 中建三局集团有限公司 Easily-replaced accurate positioning device and implementation method
CN110377016B (en) * 2018-07-04 2023-05-02 北京京东乾石科技有限公司 Rotary structure and automatic guiding transport vehicle
US11512445B2 (en) 2019-06-04 2022-11-29 Caterpillar Inc. Drawbar-circle-moldboard assembly for a work machine
CN111305294A (en) * 2020-03-09 2020-06-19 徐州徐工筑路机械有限公司 Heavy-load land leveler rotating ring mechanism and land leveler
CN113622472B (en) * 2021-09-01 2022-08-12 江苏徐工工程机械研究院有限公司 Revolving frame and leveler
CN114396090B (en) * 2022-01-27 2023-02-10 江苏徐工工程机械研究院有限公司 Revolving frame and leveler

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712384A (en) * 1970-10-05 1973-01-23 Caterpillar Tractor Co Adjustable pinion for motor grader circle drive
US4015669A (en) * 1976-03-03 1977-04-05 Caterpillar Tractor Co. Circle mounting bar and circle assembly for a motor grader
US5667020A (en) * 1996-01-26 1997-09-16 Caterpillar Inc. Circle and drawbar assembly for a motor grader
CN204266265U (en) * 2014-09-16 2015-04-15 徐工集团工程机械股份有限公司 A kind of spading system and comprise the land leveller of this spading system
CN205000391U (en) * 2015-07-24 2016-01-27 徐工集团工程机械股份有限公司 Rotary teeth circle structure and leveler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712384A (en) * 1970-10-05 1973-01-23 Caterpillar Tractor Co Adjustable pinion for motor grader circle drive
US4015669A (en) * 1976-03-03 1977-04-05 Caterpillar Tractor Co. Circle mounting bar and circle assembly for a motor grader
US5667020A (en) * 1996-01-26 1997-09-16 Caterpillar Inc. Circle and drawbar assembly for a motor grader
CN204266265U (en) * 2014-09-16 2015-04-15 徐工集团工程机械股份有限公司 A kind of spading system and comprise the land leveller of this spading system
CN205000391U (en) * 2015-07-24 2016-01-27 徐工集团工程机械股份有限公司 Rotary teeth circle structure and leveler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
自行式平地机回转圈的设计与制造工艺技术;陈志雄;《企业技术开发》;20121031;第31卷(第29期);第30页左栏第2段至第31页右栏倒数第3段

Also Published As

Publication number Publication date
CN106351278A (en) 2017-01-25

Similar Documents

Publication Publication Date Title
CN106351278B (en) Gyration gear ring structure and land leveller
AU2021203745B2 (en) Dipper handle assembly for a power shovel
CN104802096A (en) Method for designing multi-pin peening head for ultrasonic peening gun
CN201865900U (en) Spectacle plate embedded with ultrafine crystal grain cemented carbide
CN205000391U (en) Rotary teeth circle structure and leveler
CN204261920U (en) High frequency built-up welding scalariform comb shape sieve plate
CN103332443B (en) Intermediate channel and there is the drag conveyor of this intermediate channel
CN202055282U (en) Scraper bucket for excavator
CN205776439U (en) Civil engineering with sieve plate cast steel scraper bowl
CN209578627U (en) A kind of adaptive prefabricated special-purpose assorted device of crane girder camber
CN103850279B (en) A kind of skeleton dipper and excavator
CN207739077U (en) A kind of vibrospade of railroad ballast tamping tool
CN201020603Y (en) Lower electrode of welding steel mesh grating
CN110385933A (en) Tracery and preparation method thereof
CN205475383U (en) Scraper pan
CN201357279Y (en) Mesh welding machine
CN208729058U (en) A kind of reparation pushing beam
CN103806599A (en) Novel productization universal castellated beam structural member
CN204871573U (en) Assembled in -connection rudder
CN204261936U (en) High frequency build-up wear-resistant grating
CN208557723U (en) A kind of roll forming food cutting equipment is convenient for changing the structure of belt
CN217843155U (en) Improved mesh steel belt polyethylene composite plastic pipe
CN211472635U (en) Wear-resisting bucket of mining excavator
KR102369703B1 (en) Jig for fixing vessel block and vessel block assembly including the same
CN203583541U (en) Combined type scarifier toothed bar

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant