CN113863408A - Ditching assembly of chain type ditcher - Google Patents
Ditching assembly of chain type ditcher Download PDFInfo
- Publication number
- CN113863408A CN113863408A CN202111163757.9A CN202111163757A CN113863408A CN 113863408 A CN113863408 A CN 113863408A CN 202111163757 A CN202111163757 A CN 202111163757A CN 113863408 A CN113863408 A CN 113863408A
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- Prior art keywords
- chain
- tooth
- trenching
- ditching
- soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/06—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a trenching assembly of a chain trencher, wherein a trenching tooth group is arranged on a cutter chain of the trenching assembly, the trenching tooth groups with different specifications can be conveniently replaced through a first mounting structure, so that the trenching tooth groups can be rapidly adapted to trenches with different specifications, after the trenching tooth group is worn, the trenching tooth group can be directly used only by being disassembled and replaced with a new trenching tooth group, a chain mounting block does not need to be replaced, the engineering cost is reduced, and when trenching is carried out on soil with different hardness, different chain units are arranged, so that the stress is more uniform, the wear is less, the efficiency is higher, and the trenching assembly is further suitable for different land conditions. The soil cleaning scraper device is adopted, accumulation of covering soil after ditching can be reduced, the quality of the groove is improved, the spiral soil discharging device is adopted, the cut soil returning grooves can be reduced, the operation efficiency and the quality of the groove are improved, meanwhile, the spiral soil discharging device accumulates excavated soil beside the groove, and backfilling is convenient after construction.
Description
Technical Field
The invention relates to the field of trenchers, in particular to a trenching assembly of a chain trencher.
Background
In the prior art, manual or mechanical ditching and grooving are mostly adopted before conventional pipeline laying, wherein a ditching machine is one of main machines of engineering machinery, is a ditching machine used in earthwork construction, and is widely applied to farmland water conservancy construction, laying of communication cables and petroleum pipelines, municipal construction, military engineering and the like. The functions of the trencher and the excavator have many similarities, and both have the functions of soil (soil or rock), soil breaking and soil taking, the trencher has the advantages of continuous operation, high construction efficiency and small ground surface damage, is particularly suitable for laying pipelines, and can dig grooves with regular shapes even under hard geological conditions such as rock and the like, wherein the chain type trencher digs the ditch and breaks the soil through a chain loaded with blades, but has the following defects in the actual use process:
1. the service life of the blade during grooving is far shorter than that of components such as chains, but in the chain, the blade and the chain are fixed together in a welding manner, when the blade needs to be replaced, the chain can only be replaced integrally, the defect of high replacement cost exists, and when the blade corresponds to gullies with different widths, the chains with different widths need to be replaced, so that the product cost is increased, and great inconvenience is brought to construction.
2. The existing trenching machine can not specially dig grooves according to different lands, namely, the same blades are adopted when corresponding to soft soil and hard bodies, so that the grooving is too slow when the soft soil is formed, and the abrasion of the blades is too fast when the hard soil is formed.
Disclosure of Invention
The present invention is directed to a trenching assembly of a chain trencher that overcomes the above-mentioned deficiencies of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a ditching subassembly of chain trencher, includes frame, cutter chain, spiral dumping device and clear native scraper means, its characterized in that: the soil cleaning scraper device is arranged above the cutter chain and is connected with the frame through a big arm, the cutter chain is vertically arranged with the spiral soil discharging device, the cutter chain is formed by sequentially combining a plurality of groups of chain units which are circularly arranged, each chain unit comprises a plurality of chain mounting blocks which are connected with each other and a plurality of trenching tooth groups which are detachably connected with the chain mounting blocks through a first mounting structure, and the chain mounting blocks comprise two outer chain plates which are oppositely arranged, the single ditching tooth group can be selectively loaded at the left side, the right side and the middle position of the two outer chain plates, and the ditching tooth groups are staggered along the length direction of the chain to form a left ditching surface, a middle ditching surface and a right ditching surface.
The trenching assembly of a chain trencher described above may be further configured to: the first mounting structure comprises bolts and mounting nuts, the trenching tooth groups are provided with mounting holes for the bolts to pass through, and the trenching tooth groups are mounted on the bolts and are arranged on the left sides, the right sides and the middle positions of the two outer chain plates in a staggered mode.
The trenching assembly of a chain trencher described above may be further configured to: the ditching tooth group comprises left ditching teeth, middle ditching teeth and right ditching teeth, the left ditching teeth are sleeved on bolts on the left sides of the outer chain plates, one end of each ditching tooth extends towards the outer sides of the outer chain plates to form a left blade, the middle ditching teeth are sleeved on bolts between the two outer chain plates, one end of each ditching tooth extends vertically outwards to form a middle blade, the right ditching teeth are sleeved on bolts on the right sides of the outer chain plates, one end of each ditching tooth extends towards the outer sides of the outer chain plates to form a right blade, and the left ditching teeth, the middle ditching teeth and the right ditching teeth are arranged in a staggered mode along the length direction of the chain respectively.
The trenching assembly of a chain trencher described above may be further configured to: the ditching tooth group comprises left soil drilling cup teeth and right soil drilling cup teeth, the left soil drilling cup teeth are arranged on bolts on the left side of the outer chain plate, one end of each left soil drilling cup tooth extends towards the outer side of the outer chain plate to form a left circular arc plate, the right soil drilling cup teeth are arranged on bolts on the right side of the outer chain plate, one end of each right soil drilling cup tooth extends towards the outer side of the outer chain plate to form a right circular arc plate, the left soil drilling cup teeth or the right soil drilling cup teeth can be loaded on the bolts between the two outer chain plates, and the left soil drilling cup teeth and the right soil drilling cup teeth are respectively arranged in a staggered mode along the length direction of the chain.
The trenching assembly of a chain trencher described above may be further configured to: and one end of the bolt, corresponding to the middle trenching tooth, is provided with a limiting sleeve sleeved on the peripheral surface of the bolt, one end of the limiting sleeve is abutted against the middle trenching tooth, and the other end of the limiting sleeve is abutted against the middle trenching tooth.
The trenching assembly of a chain trencher described above may be further configured to: one end of the bolt, corresponding to the left or right soil cup tooth, is provided with a limiting sleeve which is sleeved on the peripheral surface of the bolt, the left or right soil cup tooth is arranged between the two outer chain plates, one end of the limiting sleeve is abutted against the left or right soil cup tooth, and the other end of the limiting sleeve is abutted against the outer chain plates.
The trenching assembly of a chain trencher described above may be further configured to: the ditching tooth group is made of hard alloy.
The trenching assembly of a chain trencher described above may be further configured to: the soil cleaning scraper device comprises a support arm, a spring and a scraper, wherein the support arm is fixed on the large arm, the scraper is hinged to the support arm, and the spring adjusts the deflection angle of the scraper.
The trenching assembly of a chain trencher described above may be further configured to: the spiral soil discharging device comprises a spiral blade arranged on the output shaft, and a mudguard is arranged at one end of the rack, which corresponds to the spiral blade.
The invention has the beneficial effects that:
1. set up the ditching tooth group on the cutter chain of ditching subassembly, the degree of depth and width when the interval between the right-hand blade on left blade and the right ditching tooth and the interval between the left circular arc board on the left side borer tooth and the right circular arc board on the right side borer tooth are the chain ditching on its left side ditching tooth, just can conveniently change the ditching tooth group of different specifications through a mounting structure, and then the slot of the different specifications of quick adaptation, and after the ditching tooth group wearing and tearing, only need dismantle, it just can directly use to change new ditching tooth group, need not change chain installation piece, engineering cost has been reduced.
2. When ditching through the soil to different hardness, set up different chain units, make it can be when the weak soil, adopt the brill soil cup tooth of taking soil more easily, raise the efficiency, when exploiting hard soil, choose for use the carbide ditching tooth of harder easy rubble, raise the efficiency and reduce wearing and tearing, when corresponding dry or the moderate mixed soil of soft or hard, choose for use brill soil cup tooth and carbide ditching tooth cooperation ditching, the atress is more even, the wear is littleer, efficiency is faster, and then adapts to different soil conditions.
3. The soil cleaning scraper device is adopted, so that the accumulation of the covering soil after ditching can be reduced, and the quality of the groove is improved.
4. The spiral dumping device is adopted, the cut soil returning grooves can be reduced, the operation efficiency and the groove quality are improved, meanwhile, the spiral dumping device accumulates excavated soil beside the groove, and backfilling is convenient after construction.
The invention is further described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a perspective view schematically illustrating embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 3 is a right side view of the cutter chain of embodiment 1 of the present invention.
Fig. 4 is a plan view of a cutter chain according to embodiment 1 of the present invention.
FIG. 5 is a schematic view of the attachment of the chain mounting block to the center trenching tooth in accordance with an embodiment of the present invention.
FIG. 6 is a schematic view of the attachment of the chain mounting block to the center trenching tooth of an embodiment of the present invention 2.
FIG. 7 is a schematic view of the attachment of the chain mounting block to the center trenching tooth of an embodiment of the present invention 3.
FIG. 8 is a schematic view of the attachment of the chain mounting block to the right trenching tooth in accordance with an embodiment of the present invention.
FIG. 9 is a schematic view of the attachment of the chain mounting block to the left trenching tooth in accordance with an embodiment of the present invention.
FIG. 10 is a schematic view of the connection of the chain mounting block to the left earth-boring cup tooth in accordance with an embodiment of the present invention.
FIG. 11 is a schematic view of the connection of the chain mounting block to the right earth-boring cup tooth in accordance with an embodiment of the present invention.
FIG. 12 is a schematic view of the connection of the chain mounting block to the left earth-boring cup tooth of the embodiment of the present invention 2.
Fig. 13 is an exploded view of fig. 5.
Fig. 14 is an exploded view of fig. 12.
Fig. 15 is a schematic view of a part of the cutter chain structure in soft soil excavation in embodiment 2 of the present invention.
Fig. 16 is a schematic view showing a part of the cutter chain structure in excavating hard earth according to embodiment 3 of the present invention.
FIG. 17 is a schematic view showing a part of the cutter chain structure in excavating the mixed soil according to embodiment 4 of the present invention.
Detailed Description
Example 1:
as shown in fig. 1-14, a trenching assembly of a chain trencher comprises a frame 9, a cutter chain 91, a spiral soil discharging device 92 and a soil cleaning scraper device 93, wherein one end of the frame 9 is provided with a mounting seat 94 for connecting with the trencher, the other end of the frame 9 is provided with a driving guide wheel device for driving the cutter chain and the spiral soil discharging device to rotate, the driving guide wheel device comprises a driving motor 95 arranged at one side of the frame 9, the output end of the driving motor 95 is provided with an output shaft 921 for driving the spiral soil discharging device 92 to work, the output shaft 921 is provided with a chain wheel 922 and drives the cutter chain 91 to rotate by chain transmission, the soil cleaning scraper device 93 is arranged above the cutter chain 91 and is connected with the frame 9 through a large arm 931, the cutter chain 91 is perpendicular to the spiral soil discharging device 92, the cutter chain 91 is formed by sequentially combining a plurality of sets of chain units a which are arranged in a circulating manner, the chain units a respectively comprise a plurality of chain installation blocks 1 which are connected with each other and a plurality of ditching tooth groups which are detachably connected to the chain installation blocks 1 through a first installation structure, each chain installation block 1 comprises two outer chain plates 2 which are oppositely arranged, a single ditching tooth group can be selectively loaded on the left side, the right side and the middle position of each outer chain plate 2, the ditching tooth groups are staggered along the length direction of the chain to form a left ditching surface, a middle ditching surface and a right ditching surface, the first installation structure comprises bolts 3 and installation nuts 4, the ditching tooth groups are respectively provided with installation holes 5 for the bolts 3 to pass through, the ditching tooth groups are installed on the bolts 3 and are staggered on the left side, the right side and the middle positions of the two outer chain plates 2, the ditching tooth groups are made of hard alloy, the soil cleaning scraper device 93 comprises a support arm 932, a spring 933 and a scraper 934, support arm 932 be fixed in big arm 931, scraper 934 articulates in support arm 932, the deflection angle of scraper 934 is adjusted to spring 933, spiral dumping device 92 is including setting up helical blade 923 on output shaft 921, the one end that frame 9 corresponds helical blade 923 is equipped with fender 924.
As shown in fig. 3, the distance between the left blade 811 on the left trenching tooth 81 and the right blade 831 on the right trenching tooth 83 and the distance between the left arc plate 611 on the left earth-boring cup tooth 61 and the right arc plate 621 on the right earth-boring cup tooth 62 are the depth and width of the chain during trenching, the trenching tooth groups with different specifications can be conveniently replaced through the first mounting structure, and then the grooves with different specifications can be rapidly adapted, and after the trenching tooth groups are worn, only the removal is needed, the new trenching tooth groups can be directly used after being replaced, the chain mounting block 1 does not need to be replaced, and the construction cost is reduced.
Example 2:
as shown in fig. 10, 11, 12 and 14, when soft soil is excavated, the excavating tooth group includes a left earth-boring cup tooth 61 and a right earth-boring cup tooth 62, the left earth-boring cup tooth 61 is disposed on the bolt 3 at the left side of the outer link plate 2 and one end of the left earth-boring cup tooth extends to the outside of the outer link plate 2 to form a left arc plate 611, the right earth-boring cup tooth 62 is disposed on the bolt 3 at the right side of the outer link plate 2 and one end of the right earth-boring cup tooth extends to the outside of the outer link plate 2 to form a right arc plate 621, the bolt 3 between the two outer link plates 2 can be loaded with the left earth-boring cup tooth 61 or the right earth-boring cup tooth 62, the left earth-boring cup tooth 61 and the right earth-boring cup tooth 62 are respectively arranged in a staggered manner along the length direction of the chain, one end of the bolt 3 corresponding to the left earth-boring cup tooth 61 or the right earth-boring cup tooth 62 is provided with a stop collar 7 sleeved on the outer circumferential surface of the bolt 3, the left earth-boring cup tooth 61 or the right earth-boring cup tooth 62 is disposed between the two outer link plates 2, one end of the limiting sleeve 7 abuts against the left drilling soil cup tooth 61 or the right drilling soil cup tooth 62, and the other end of the limiting sleeve abuts against the outer chain plate 2.
As shown in fig. 12, at this time, the right earth-boring cup tooth 62 is disposed between the two outer link plates 2, the right earth-boring cup tooth 62 is loaded at a position on the outer link plates 2 close to the left side, and is limited by the limiting sleeve 7, so that the right arc plate 621 on the right earth-boring cup tooth 62 faces to the middle position of the chain, and the left earth-boring cup tooth 61 is disposed between the two outer link plates 2, so that the left earth-boring cup tooth 61 and the right earth-boring cup tooth 62 can realize the left, middle and right positions for earth discharge, earth carrying, and easily carry out soil breaking from the soft soil out of the groove.
As shown in fig. 15, when trenching soft soil, each chain unit a includes 9 chain installation blocks 1 connected to each other, and the chain installation blocks 1 are sequentially loaded with a right earth drilling cup tooth 62, a left earth drilling cup tooth 61, and a left earth drilling cup tooth 61 arranged between two outer link plates 2 and arranged right, so that earth removal and earth carrying are performed at three positions, namely left, middle, and right, and one circulation of 9 chain installation blocks is realized.
Example 3:
as shown in fig. 5-9 and 13, when hard or frozen ground is excavated, the set of trenching teeth includes left trenching teeth 81, middle trenching teeth 82 and right trenching teeth 83, the left trenching teeth 81 are sleeved on the bolt 3 at the left side of the outer link plate 2 and one end of the left trenching teeth extends to the outside of the outer link plate 2 to form a left blade 811, the middle trenching teeth 82 are sleeved on the bolt 3 at the middle of the two outer link plates 2 and one end of the middle trenching teeth extends to the vertical outside to form a middle blade 821, the right trenching teeth 83 are sleeved on the bolt 3 at the right side of the outer link plate 2 and one end of the right trenching teeth extends to the outside of the outer link plate 2 to form a right blade 831, the left trenching teeth 81, the middle trenching teeth 82 and the right trenching teeth 83 are respectively arranged along the length direction of the chain in a staggered manner, one end of the bolt 3 corresponding to the middle trenching teeth 82 is provided with a position-limiting sleeve 7 on the outer circumferential surface of the bolt 3, one end of the position-limiting sleeve 7 is abutted against the middle trenching teeth 82, the other end abuts the middle trenching tooth 82.
As shown in fig. 5, the middle digging tooth 82 is arranged between the two outer chain plates 2, and the two ends of the middle digging tooth 82 are fixed in the middle of the chain through 2 mirror-symmetrical limiting sleeves 7.
As shown in fig. 6, the center trenching tooth 82 is disposed between the two outer link plates 2, and the center trenching tooth 82 is mounted on the left side of the outer link plates 2 and is stopped by the stopper bushing 7, so that the center trenching tooth 82 can be fixed at the left side of the linkage.
As shown in fig. 7, the middle trenching tooth 82 is arranged between the two outer link plates 2, the middle trenching tooth 82 is loaded at the position close to the right side of the outer link plates 2, and the middle trenching tooth 82 can be fixed at the right position in the linkage by the limit of the limit sleeve 7.
As shown in fig. 5 to 7, the center trenching teeth 82 are respectively provided at the center left, center, and center right positions between the outer link plates 2, thereby thinning the trenching surface, increasing the working area during trenching, and improving the trenching efficiency.
As shown in fig. 16, when trenching hard or frozen land, the chain units a each include 3 chain mounting blocks 1 connected to each other, the chain mounting blocks 1 are sequentially loaded with a middle trenching tooth 82, a right trenching tooth 83, a left trenching tooth 81 and a right trenching tooth 83 in the moving direction of the chain, so that the rock block and the soil are crushed at the left, middle and right positions, and one cycle of 3 chain mounting blocks is realized, and the hard or frozen land is subjected to more uniform stress and less wear when trenching.
Example 4:
as shown in fig. 5-14, when trenching is performed on dry or moderately soft mixed soil, the trenching tooth group includes a left earth-boring cup tooth 61, a right earth-boring cup tooth 62, a left trenching tooth 81, a middle trenching tooth 82 and a right trenching tooth 83, the left earth-boring cup tooth 61 is disposed on the bolt 3 on the left side of the outer link plate 2, and one end of the left earth-boring cup tooth extends to the outer side of the outer link plate 2 to form a left arc plate 611, the right earth-boring cup tooth 62 is disposed on the bolt 3 on the right side of the outer link plate 2, and one end of the right earth-boring cup tooth 62 extends to the outer side of the outer link plate 2 to form a right arc plate 621, the bolt 3 between the two outer link plates 2 can be loaded with the left earth-boring cup tooth 61 or the right earth-boring cup tooth 62, the left earth-boring cup tooth 61 and the right earth-boring cup tooth 62 are respectively arranged along the length direction of the chain, one end of the bolt 3 corresponding to the left earth-boring cup tooth 61 or the right earth-boring cup tooth 62 is provided with a limiting sleeve 7 sleeved on the outer peripheral surface of the bolt 3, the left earth-boring cup tooth 61 or the right earth-boring cup tooth 62 is disposed between the two outer link plates 2, one end of the limiting sleeve 7 abuts against the left soil cup tooth 61 or the right soil cup tooth 62, the other end of the limiting sleeve abuts against the outer chain plate 2, the left trenching tooth 81 is sleeved on the bolt 3 on the left side of the outer chain plate 2, one end of the left trenching tooth extends towards the outer side of the outer chain plate 2 to form a left blade 811, the middle trenching tooth sleeve 82 is arranged on the bolt 3 between the two outer chain plates 2, one end of the middle trenching tooth 83 is sleeved on the bolt 3 on the right side of the outer chain plate 2, and one end of the right trenching tooth extends towards the outer side of the outer chain plate 2 to form a right blade 831, the left trenching tooth 81, the middle trenching tooth 82 and the right trenching tooth 83 are respectively arranged in a staggered mode along the length direction of the chain, one end of the bolt 3, corresponding to the middle trenching tooth 82, is provided with the limiting sleeve 7 sleeved on the outer peripheral surface of the bolt 3, one end of the limiting sleeve 7 abuts against the middle trenching tooth 82, and the other end abuts against the middle trenching tooth 82.
As shown in fig. 16, when trenching dry or moderately soft mixed soil, the chain units a each include 11 chain mounting blocks 1 connected to each other, and the chain mounting blocks 1 are sequentially loaded with a middle trenching tooth 82, a middle trenching tooth 82 arranged on the middle right, a middle trenching tooth 82 arranged on the middle left, a right trenching tooth 83, a right earth-boring cup tooth 62, a left trenching tooth 81, a left earth-boring cup tooth 61, a right trenching tooth 83, a right earth-boring cup tooth 62, a left trenching tooth 81 and a left earth-boring cup tooth 61 in the moving direction of the chain, so as to realize earth removal, earth carrying and crushed stone at five positions of left, middle right and right, thereby realizing one cycle of 11 chain mounting blocks 1, and when trenching dry or moderately soft mixed soil, the wear is smaller and the efficiency is faster.
Claims (9)
1. The utility model provides a ditching subassembly of chain trencher, includes frame, cutter chain, spiral dumping device, and clear native scraper means, its characterized in that: the soil cleaning scraper device is arranged above the cutter chain and is connected with the frame through a big arm, the cutter chain is vertically arranged with the spiral soil discharging device, the cutter chain is formed by sequentially combining a plurality of groups of chain units which are circularly arranged, each chain unit comprises a plurality of chain mounting blocks which are connected with each other and a plurality of trenching tooth groups which are detachably connected with the chain mounting blocks through a first mounting structure, and the chain mounting blocks comprise two outer chain plates which are oppositely arranged, the single ditching tooth group can be selectively loaded at the left side, the right side and the middle position of the two outer chain plates, and the ditching tooth groups are staggered along the length direction of the chain to form a left ditching surface, a middle ditching surface and a right ditching surface.
2. The trenching assembly of a chain trencher as recited in claim 1 further comprising: the first mounting structure comprises bolts and mounting nuts, the trenching tooth groups are provided with mounting holes for the bolts to pass through, and the trenching tooth groups are mounted on the bolts and are arranged on the left sides, the right sides and the middle positions of the two outer chain plates in a staggered mode.
3. A trenching assembly of a chain trencher as defined in claim 2 further comprising: the ditching tooth group comprises left ditching teeth, middle ditching teeth and right ditching teeth, the left ditching teeth are sleeved on bolts on the left sides of the outer chain plates, one end of each ditching tooth extends towards the outer sides of the outer chain plates to form a left blade, the middle ditching teeth are sleeved on bolts between the two outer chain plates, one end of each ditching tooth extends vertically outwards to form a middle blade, the right ditching teeth are sleeved on bolts on the right sides of the outer chain plates, one end of each ditching tooth extends towards the outer sides of the outer chain plates to form a right blade, and the left ditching teeth, the middle ditching teeth and the right ditching teeth are arranged in a staggered mode along the length direction of the chain respectively.
4. A trenching assembly of a chain trencher as defined in claim 2 or 3 wherein: the ditching tooth group comprises left soil drilling cup teeth and right soil drilling cup teeth, the left soil drilling cup teeth are arranged on bolts on the left side of the outer chain plate, one end of each left soil drilling cup tooth extends towards the outer side of the outer chain plate to form a left circular arc plate, the right soil drilling cup teeth are arranged on bolts on the right side of the outer chain plate, one end of each right soil drilling cup tooth extends towards the outer side of the outer chain plate to form a right circular arc plate, the left soil drilling cup teeth or the right soil drilling cup teeth can be loaded on the bolts between the two outer chain plates, and the left soil drilling cup teeth and the right soil drilling cup teeth are respectively arranged in a staggered mode along the length direction of the chain.
5. The trenching assembly of a chain trencher as recited in claim 4 further comprising: and one end of the bolt, corresponding to the middle trenching tooth, is provided with a limiting sleeve sleeved on the peripheral surface of the bolt, one end of the limiting sleeve is abutted against the middle trenching tooth, and the other end of the limiting sleeve is abutted against the middle trenching tooth.
6. The trenching assembly of a chain trencher as recited in claim 4 further comprising: one end of the bolt, corresponding to the left or right soil cup tooth, is provided with a limiting sleeve which is sleeved on the peripheral surface of the bolt, the left or right soil cup tooth is arranged between the two outer chain plates, one end of the limiting sleeve is abutted against the left or right soil cup tooth, and the other end of the limiting sleeve is abutted against the outer chain plates.
7. The trenching assembly of a chain trencher as recited in claim 4 further comprising: the ditching tooth group is made of hard alloy.
8. The trenching assembly of a chain trencher as recited in claim 4 further comprising: the soil cleaning scraper device comprises a support arm, a spring and a scraper, wherein the support arm is fixed on the large arm, the scraper is hinged to the support arm, and the spring adjusts the deflection angle of the scraper.
9. The trenching assembly of a chain trencher as recited in claim 4 further comprising: the spiral soil discharging device comprises a spiral blade arranged on the output shaft, and a mudguard is arranged at one end of the rack, which corresponds to the spiral blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111163757.9A CN113863408B (en) | 2021-09-30 | 2021-09-30 | Trenching assembly of chain trencher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111163757.9A CN113863408B (en) | 2021-09-30 | 2021-09-30 | Trenching assembly of chain trencher |
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| Publication Number | Publication Date |
|---|---|
| CN113863408A true CN113863408A (en) | 2021-12-31 |
| CN113863408B CN113863408B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111163757.9A Active CN113863408B (en) | 2021-09-30 | 2021-09-30 | Trenching assembly of chain trencher |
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| CN (1) | CN113863408B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658051A (en) * | 2022-04-25 | 2022-06-24 | 宁波市瑞基机械制造有限公司 | Anti-sticking's ditching machine |
| CN117385959A (en) * | 2023-12-08 | 2024-01-12 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Double grooving device and slope grooving and paving equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022588A (en) * | 1960-01-13 | 1962-02-27 | Brown William Delbert | Chain and cutters therefor |
| US6154987A (en) * | 1998-08-24 | 2000-12-05 | Vermeer Manufacturing Company | Cutting tooth for a trencher chain |
| US6854201B1 (en) * | 2003-10-30 | 2005-02-15 | William D. Hunter | Cutting tooth for trencher chain |
| CN101421464A (en) * | 2006-03-27 | 2009-04-29 | 查尔斯机器制造厂有限公司 | Auger for use with trenching assembly |
| CN205012383U (en) * | 2015-09-24 | 2016-02-03 | 宋海章 | Chain formula ditching machine |
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| US3022588A (en) * | 1960-01-13 | 1962-02-27 | Brown William Delbert | Chain and cutters therefor |
| US6154987A (en) * | 1998-08-24 | 2000-12-05 | Vermeer Manufacturing Company | Cutting tooth for a trencher chain |
| US6854201B1 (en) * | 2003-10-30 | 2005-02-15 | William D. Hunter | Cutting tooth for trencher chain |
| CN101421464A (en) * | 2006-03-27 | 2009-04-29 | 查尔斯机器制造厂有限公司 | Auger for use with trenching assembly |
| CN205012383U (en) * | 2015-09-24 | 2016-02-03 | 宋海章 | Chain formula ditching machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658051A (en) * | 2022-04-25 | 2022-06-24 | 宁波市瑞基机械制造有限公司 | Anti-sticking's ditching machine |
| CN117385959A (en) * | 2023-12-08 | 2024-01-12 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Double grooving device and slope grooving and paving equipment |
| CN117385959B (en) * | 2023-12-08 | 2024-03-26 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Double grooving device and slope grooving and paving equipment |
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| Publication number | Publication date |
|---|---|
| CN113863408B (en) | 2023-05-12 |
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