CN109537378B - Cleaning vehicle excavating device and excavating assembly with same - Google Patents
Cleaning vehicle excavating device and excavating assembly with same Download PDFInfo
- Publication number
- CN109537378B CN109537378B CN201710860016.3A CN201710860016A CN109537378B CN 109537378 B CN109537378 B CN 109537378B CN 201710860016 A CN201710860016 A CN 201710860016A CN 109537378 B CN109537378 B CN 109537378B
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- excavating
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- 238000004140 cleaning Methods 0.000 title abstract description 18
- 238000009412 basement excavation Methods 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000012216 screening Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/02—Removing or re-contouring ballast
- E01B2203/022—Horizontal chain
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/04—Cleaning or reconditioning ballast or ground beneath
- E01B2203/042—Cleaning or reconditioning ballast or ground beneath in situ,e.g. vacuum-cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a cleaning and screening vehicle excavating device and an excavating assembly with the excavating device, wherein the excavating assembly comprises a steering device and an excavating device, the excavating device comprises an excavating beam, a power assembly, an excavating chain transmission mechanism and an angle adjusting beam, a moving beam, an ejector rod, a screw rod, a sliding block in threaded connection with the screw rod and a telescopic hydraulic cylinder are arranged in a beam shell of the excavating beam, the rear side of the ejector rod is inserted into the moving beam and is in movable fit with the moving beam, a top plate is fixed in the moving beam, the telescopic hydraulic cylinder is positioned at the rear side of the top plate, a piston rod of the telescopic hydraulic cylinder is connected with the top plate, the screw rod is positioned at the front side of the top plate and the rear end of the screw rod is inserted into a guide hole of the top plate, the sliding block can abut against the ejector rod, and a driven chain wheel frame is connected at the front end of the ejector rod.
Description
Technical Field
The invention relates to a screening vehicle excavating device and an excavating assembly with the same.
Background
When the cleaning vehicle works, the polluted railway ballast is excavated from the sleeper through the excavating system and is conveyed to the cleaning device, after the railway ballast is cleaned, the cleaned railway ballast is backfilled to the railway bed, and the cleaned soil is cleaned, so that the cleanliness of railway lines is improved, and the safe running of the train is ensured. The document of chinese patent publication No. CN 201678914U discloses an excavating system having a guide frame connected to the whole vehicle, the attached guide frame being a base frame for mounting the whole working part, the whole working mechanism being mainly divided into two parts, one being a steering part and the other being an excavating part, the steering part being mainly composed of a rack cylinder and a pair of gears, the excavating part being mainly composed of an excavating beam and a sprocket. The angle of the excavating rod is firstly adjusted by the steering part, and then the chain wheel drives the chain to rotate so as to remove the ballast at the bottom of the steel rail. Because the operation width of the turnout area is larger than that of the positive line area, if the excavating beam can be suitable for the operation width of the turnout area, when the positive line operation is carried out, the excavating beam can only be in an inclined state relative to the steel rail, namely the excavating beam can not be operated in a state of being transverse to the steel rail, and the operation efficiency can be influenced to a certain extent. The chinese patent publication No. CN 205368909U provides an excavating device capable of adjusting the excavating width and depth, which is suitable for working in a narrow space such as a tunnel, but it is difficult to use the device in a switch area with a large width due to structural limitations.
Disclosure of Invention
The invention aims to provide a cleaning vehicle excavating device and an excavating assembly with the same, wherein when the cleaning vehicle excavating device works in a turnout area or a positive line area, an excavating beam of the cleaning vehicle excavating device can work in a state of being transverse to a steel rail.
In order to achieve the purpose of the excavating device of the screening vehicle, the invention adopts the following technical scheme: the excavating device of the screening truck comprises an excavating beam, a power assembly and an excavating chain transmission mechanism, wherein a plurality of guide grooves are respectively formed in two outer side surfaces of the excavating beam, the excavating chain transmission mechanism comprises a driving sprocket, a driven sprocket and an excavating chain, the driving sprocket is connected to an output shaft of the power assembly, the driven sprocket is connected to a driven shaft of a driven chain wheel frame, the excavating device further comprises a right-angle adjusting beam which consists of a vertical column and a transverse column, the power assembly is connected with the vertical column through an external box body of the power assembly, a moving beam, a push rod, a screw rod, a sliding block and a telescopic hydraulic cylinder are arranged in a beam shell of the excavating beam, the rear side of the push rod is inserted into the moving beam and is in movable fit with the moving beam, a top plate is fixed in the moving beam, the telescopic hydraulic cylinder is positioned at the rear side of the top plate, a piston rod of the telescopic hydraulic cylinder is connected with the top plate, the screw rod is positioned at the front side of the top plate, the rear end of the screw rod is inserted into a guide hole of the top plate, the sliding block in threaded connection with the screw rod can abut against the rear end of the push rod, and the driven sprocket frame is connected to the front end of the push rod.
The rear part of the screw rod is provided with a plurality of tool holes, the upper side surface and the lower side surface of the movable beam are provided with windows opposite to the tool holes on the screw rod, the beam shell of the excavating beam is provided with an opening opposite to the window of the movable beam when the excavating beam is in a contracted state, and the opening is provided with a rear cover plate.
The screw is provided with a cylindrical convex body at the position of the tool hole, and a wear-resistant gasket is arranged on the screw and between the cylindrical convex body and the top plate.
The guide groove is U-shaped, and inclined planes are respectively arranged at two ends of the upper groove plate and the lower groove plate.
And hard alloy sheets are arranged on the inner wall and the side surfaces of the guide groove.
In order to achieve the purpose of the cleaning vehicle digging assembly, the invention adopts the following technical scheme: the cleaning vehicle excavating assembly is provided with an excavating device and a steering device, the excavating device comprises an excavating beam, a power assembly and an excavating chain transmission mechanism, a plurality of guide grooves are respectively formed in two outer side faces of the excavating beam, the excavating chain transmission mechanism comprises a driving sprocket, a driven sprocket and an excavating chain, the driving sprocket is connected to an output shaft of the power assembly, and the driven sprocket is connected to a driven shaft of a driven chain wheel frame, and the cleaning vehicle excavating assembly is characterized in that: the excavating device further comprises a right angle-shaped angle adjusting beam which consists of a vertical column and a horizontal column, the power assembly is connected with the vertical column through an external box body of the power assembly, a beam shell of the excavating beam is internally provided with a moving beam, a push rod, a screw rod, a sliding block and a telescopic hydraulic cylinder, the rear side of the push rod is inserted into the moving beam and is in movable fit with the moving beam, a top plate is fixed in the moving beam, the telescopic hydraulic cylinder is positioned at the rear side of the top plate, a piston rod of the telescopic hydraulic cylinder is connected with the top plate, the screw rod is positioned at the front side of the top plate, the rear end of the screw rod is inserted into a guide hole of the top plate, the sliding block in threaded connection with the screw rod can abut against the rear end of the push rod, and the driven sprocket frame is connected at the front end of the push rod; the steering device comprises a butterfly plate, a guide plate and a steering hydraulic cylinder, wherein the butterfly plate is fixed at the top of the vertical column, the fork part of the butterfly plate is backwards, the guide plate is fixed on the fork part of the butterfly plate, one corner of the rear side of the guide plate is provided with a connecting part extending in the backward and outward direction, a power output part of the steering hydraulic cylinder is fixed on the connecting part, and the steering hydraulic cylinder drives the guide plate to rotate.
The rear part of the screw rod is provided with a plurality of tool holes, the upper side surface and the lower side surface of the movable beam are provided with windows opposite to the tool holes on the screw rod, the beam shell of the excavating beam is provided with an opening opposite to the window of the movable beam when the excavating beam is in a contracted state, and the opening is provided with a rear cover plate.
The screw is provided with a cylindrical convex body at the position of the tool hole, and a wear-resistant gasket is arranged on the screw and between the cylindrical convex body and the top plate.
The guide groove is U-shaped, and inclined planes are respectively arranged at two ends of the upper groove plate and the lower groove plate.
And hard alloy sheets are arranged on the inner wall and the side surfaces of the guide groove.
The invention has the following positive effects: 1. the excavating assembly provided by the invention is provided with the excavating device and the steering device, the excavating beam of the excavating device can stretch out and draw back to drive the driven sprocket frame to move, and the excavating assembly can adapt to excavating chains with different lengths. When the excavating beam works in the positive line area, the excavating beam is in a contracted state, and a short excavating chain is adopted. When the working is performed in the turnout area, the front side of the telescopic beam extends out of the excavating beam shell, the excavating beam is in an extending state, at the moment, 1 guide groove is added to the extending parts at the two sides of the telescopic beam, and a long excavating chain is adopted. The invention is applicable to ballast excavation operation in turnout areas and positive line areas, and the excavation beam can also operate in a state of being transverse to the steel rail during the positive line area operation, thereby ensuring the operation efficiency and having simple structure. 2. The guide groove added on the telescopic beam is connected by a screw, so that the telescopic beam is convenient to assemble and disassemble and suitable for field operation. 3. The device improves the wear resistance of the excavating beam because the contact parts of the guide grooves and the ballast and the excavating chain are provided with the hard alloy sheets. 4. The steering device can drive the excavating beam to form any angle with the machine body so as to meet the requirements of different occasions, and the steering device has a simple structure.
Drawings
Fig. 1 is a perspective view of an excavating device (excavating beam contracted state) of the present invention.
Fig. 2 is a full sectional view of the excavating device (excavating beam contracted state).
Fig. 3 is an enlarged view of section i of fig. 2.
Fig. 4 is a perspective view of an inner structure of an excavating beam of the excavating device.
Fig. 5 is a connection diagram of a traveling beam, a ram, a screw, a slider, and a steering cylinder of an excavating beam.
Fig. 6 is a partial exploded view of fig. 5.
Fig. 7 is a perspective view of the guide groove.
Fig. 8 is a perspective view of the excavating assembly (excavating beam extension) of the present invention.
Fig. 9 is a full cross-sectional view of the excavating assembly (excavating beam extension) of the present invention.
Fig. 10 is a plan view of the steering device.
FIG. 11 is a front view of the excavation assembly operating in the catwalk area.
Fig. 12 is a view of the excavation assembly operating at the switch area.
The reference numerals are as follows: the excavating device A, excavating beam 1, beam shell 1-1, moving beam 1-2, ejector rod 1-3, screw rod 1-4, sliding block 1-5, top plate 1-6, telescopic hydraulic cylinder 1-7, wear-resisting gasket 1-8, reinforcing rib plate 1-9, power component 2, motor 2-1, gear box 2-2, power component output shaft 2-3, power box 2-4, excavating chain transmission mechanism 3, driving sprocket 3-1, excavating chain 3-2, driven sprocket 3-3, angle adjusting beam 4, vertical column 4-1, cross column 4-2, supporting frame 4-3, driven chain wheel frame 5, end plate 5-1, driven shaft 5-2, bearing 5-3, guide groove 6, groove plate 6-1 and hard alloy sheet 7; steering device B, butterfly plate 8, guide plate 9 and steering cylinder 10.
Detailed Description
Example 1
Referring to fig. 1 to 7, the present embodiment is a cleaning truck excavating device comprising an excavating beam 1, a power assembly 2, an excavating chain transmission mechanism 3 and an angle adjusting beam 4.
Referring to fig. 1, 2 and 4, the digging chain transmission mechanism 3 includes a driving sprocket 3-1, a driven sprocket 3-3 and a digging chain 3-2. The power assembly 2 comprises a power box body 2-4, a motor 2-1 and a gear box 2-2 which are arranged in the power box body 2-4, and a driving chain wheel 3-1 is connected to an output shaft 2-3 of the power assembly, namely an output shaft of the gear box 2-2. The driven sprocket 3-3 is connected to the driven shaft 5-2 of the driven sprocket frame 5. The digging chain 3-2 encircles the driving sprocket 3-1 and the driven sprocket 3-3. The digging chain 3-2 has two specifications, namely one is short and suitable for the cleaning operation of the cleaning vehicle in a positive line area, the other is long and suitable for the cleaning operation of the cleaning vehicle in a turnout area, and the structure of the digging chain 3-2 can be referred to the digging chain for the railway ballast cleaning vehicle introduced in the patent application of CN 106592348A.
Referring to fig. 1, 2 and 4, the angle adjusting beam 4 is in a right angle shape and consists of a vertical column 4-1 and a transverse column 4-2, wherein the cross section of the vertical column is square or rectangular. The left side and the right side of the vertical column 4-1 are respectively fixed with a supporting frame 4-3, and the power box body 2-4 is fixed on the two supporting frames 4-3 of the vertical column 4-1 by screws.
The excavating beam 1 is provided with a beam shell 1-1 with a square or rectangular cross section, the beam shell 1-1 comprises a bottom plate 1-11, a left side plate 1-12, a right side plate 1-12 and a panel 1-13, the beam shell 1-1 of the excavating beam is formed by welding, the two side plates 1-12 of the beam shell 1-1 extend backwards, and parts extending out of the panel 1-13 and the bottom plate 1-11 are respectively positioned at the left side and the right side of a transverse column 4-2 of the angle adjusting beam 4 and are connected by screws. The outer side surfaces of the two side plates 1-12 of the beam shell 1-1 are respectively provided with 4 sections of guide grooves 6 connected by screws. Referring to fig. 7, the guide grooves 6 are U-shaped, each section of the guide groove has a length of 450 mm-470 mm, and the number of sections and the length of the guide grooves 6 can be changed. Inclined planes 6-1-1 are respectively arranged at the two ends of the upper groove plate 6-1 and the lower groove plate 6-1 of the guide groove, so that impact of ballast on the excavating beam in the operation process can be reduced to a certain extent. In order to improve the wear resistance of the guide groove 6, the inner wall and the side surfaces of the guide groove 6 are provided with cemented carbide pieces 7. The digging chain 3-2 runs in the guide channel 6.
Referring to fig. 1 to 6, a hollow movable beam 1-2, a push rod 1-3, a screw rod 1-4, a sliding block 1-5 and a telescopic hydraulic cylinder 1-7 are arranged in a beam shell 1-1 of the excavating beam 1 at the front part, and 3-5 reinforcing rib plates 1-9 are arranged in the beam shell 1-1 at the rear part. The front end of the ejector rod 1-3 is a connecting part 1-3-1, the rear end of the ejector rod is fork-shaped, the part behind the connecting part on the ejector rod 1-3 can go deep into the movable beam 1-2 and is in movable fit, a top plate 1-6 is fixed in the movable beam 1-2, a telescopic hydraulic cylinder 1-7 is a parallel hydraulic cylinder, the telescopic hydraulic cylinder 1-7 is positioned at the rear side of the top plate 1-6 and is fixed on an adjacent reinforcing rib plate 1-9, a piston rod 1-7-1 is connected with the top plate 1-6, and a liquid pipe 1-7-2 of the telescopic hydraulic cylinder 1-7 is communicated with a liquid channel 4-4 in the angle adjusting beam 4. The screw rod 1-4 is positioned at the front side of the top plate 1-6, the rear part of the screw rod 1-4 is provided with a plurality of tool holes 1-4-1, the tool holes 1-4-1 are used for inserting a tool for stirring the screw rod 1-4 to rotate, the part of the screw rod 1-4, which is provided with the tool holes 1-4-1, is a cylindrical convex body 1-4-2, the part of the screw rod 1-4, which is positioned at the rear side of the cylindrical convex body 1-4-2, is a polished rod, the polished rod is partially inserted into the guide hole 1-6-1 of the top plate 1-6 and is in movable fit, the cylindrical convex body 1-4-2 can ensure the strength of the screw rod 1-4 and also plays a limiting role, a wear-resistant gasket 1-8 is arranged between the cylindrical convex body 1-4-2 and the top plate 1-6, and the wear-resistant gasket 1-8 is made of aluminum bronze or tin bronze so as to increase the wear resistance and smoothness during rotation. The sliding block 1-5 is in threaded connection with the screw rod 1-4, the sliding block 1-5 can move forwards on the screw rod 1-4 to abut against the rear end of the ejector rod 1-3, and the sliding block 1-5 is made of aluminum bronze or tin bronze, so that the self wear resistance of the sliding block 1-5 and the smoothness in moving can be improved. The upper and lower sides of the movable beam 1-2 are provided with windows 1-2-1 on the front side of the top plate 1-6 opposite to the tool holes 1-4-2 of the screw 1-4, the beam housing 1-1 of the excavating beam is provided with an opening opposite to the movable beam windows 1-2-1 when the excavating beam is in a contracted state, the opening is used for exposing the screw tool holes 1-4-2, and the opening is provided with a back cover plate 1-14.
Referring to fig. 2 to 4, the driven chain wheel frame 5 is disposed at the front end of the ejector rod 1-3, the driven chain wheel frame 5 has an upper end plate 5-1 and a lower end plate 5-1, the driven shaft 5-2 is disposed between the two end plates 5-1, the driven sprocket 3-3 is connected to the driven shaft 5-2 through the bearing 5-3, the front side of the ejector rod 1-3, i.e., the connecting portion 1-3-1, extends into the space between the two end plates 5-1 of the driven chain wheel frame 5 and is connected by bolts, the two end plates 5-1 are connected by bolts, and the front end of the connecting portion 1-3-1 of the ejector rod 1-3 is arc-shaped, so as to avoid interference with the driven sprocket 3-3.
When the excavating chain 3-2 needs to be tensioned, the rear cover plate 1-14 is opened, the screw 1-4 is rotated by a tool, the sliding block 1-5 can move on the screw 1-4 due to limited axial movement of the screw 1-4, the sliding block 1-5 moves forwards to abut against the rear end of the ejector rod 1-3 and pushes the ejector rod 1-3 forwards, so that the driven chain wheel frame 5 is driven to move forwards, and the excavating chain 3-2 is tensioned.
Under the condition that the excavating chain 3-2 is not arranged, a piston rod 1-7-1 of a telescopic hydraulic cylinder 1-7 extends forwards, a moving beam 1-2 is driven to move forwards through a top plate 1-6, a screw rod 1-4 is driven to move forwards through the top plate 1-6, a sliding block 1-5 of the screw rod 1-4 abuts against the rear end of a push rod 1-3, the push rod 1-3 drives a driven chain wheel frame 5 to move forwards, as shown in figure 9, the moving beam 1-2 extends out of a beam shell 1-1 of the excavating beam 1, the excavating beam 1 is in an extension state, at the moment, a window 1-2-1 of the moving beam 1-2 is exposed out of the front end of the beam shell 1-1, a front cover plate 1-15 for blocking the moving beam window 1-2-1 is connected to the front end of the beam shell 1-1, 1 guide grooves 6 are respectively added to two sides of a part extending out of the beam shell 1-1 at the front side of the moving beam 1-2, and the excavating chain 3-2 is replaced.
When the piston rod 1-7-1 of the telescopic hydraulic cylinder 1-7 is retracted, the movable beam 1-2 is driven by the top plate 1-6 to retract, the driven chain wheel frame 5 is pushed by manpower to retract, the excavating beam 1 is gradually retracted, and finally, the excavating beam is in a retracted state, and the short excavating chain 3-2 is exchanged.
Example 2
Referring to fig. 8 and 10, this embodiment is a cleaning truck digging assembly having a digging device a and a turning device B, the digging device a having been described in embodiment 1. The steering device comprises a butterfly plate 8, a guide plate 9 and a steering hydraulic cylinder 10, wherein the butterfly plate 8 is sleeved on the top of the vertical column 4-1, the fork part of the butterfly plate is backwards, and the butterfly plate 8 is welded on the vertical column 4-1. The guide plate 9 is fixed on the fork part of the butterfly plate 8 by a screw, and is also fixed on the power box body 2-4, one corner of the rear side of the guide plate 9 is provided with a connecting part 9-1 extending in the backward and outward direction, the power output part 10-1 of the steering hydraulic cylinder 10 is connected on the connecting part 9-1, the fixed connection point between the power output part 10-1 of the steering hydraulic cylinder 10 and the connecting part 9-1 deviates from the axial center line of the excavating beam 1 by a distance H of 215-255 mm, and the power output part 10-1 forwards extends to drive the guide plate 9 to rotate because the fixed connection point between the power output part 10-1 and the connecting part 9-1 deviates from the axial center line of the excavating beam 1.
Fig. 11 shows the working view of the excavation assembly in the positive line area, with the excavation beam 1 in a contracted state, with the excavation beam 1 transverse to the rails 11, with 4 guide channels 6 on each side of the excavation beam 1.
Fig. 12 shows the working view of the excavating assembly in the switch area, the excavating beam 1 being in an extended and contracted state, the excavating beam 1 being transverse to the rails 11, the excavating beam 1 being provided with 6 guide channels 6 on each side.
Claims (10)
1. The utility model provides a clear sieve car excavating device, including excavation roof beam (1), power pack (2) and excavation chain drive mechanism (3), each be equipped with a plurality of sections guide slots (6) on the both sides lateral surface of excavation roof beam (1), excavation chain drive mechanism (3) are including driving sprocket (3-1), driven sprocket (3-3) and excavation chain (3-2), driving sprocket (3-1) connect on the output shaft of power pack (2), driven sprocket (3-3) connect on the driven shaft of driven chain wheel carrier (5), its characterized in that: the excavating device also comprises an angle adjusting beam (4) which is formed by a vertical column (4-1) and a transverse column (4-2) and is in right angle, the power assembly (2) is connected with the vertical column (4-1) through an external box body (2-4) of the power assembly, a beam shell (1-1) of the excavating beam (1) is internally provided with a moving beam (1-2), a top rod (1-3), a screw rod (1-4), a sliding block (1-5) and a telescopic hydraulic cylinder (1-7), the rear side of the top rod (1-3) is inserted into the moving beam (1-2) and is in movable fit with the moving beam (1-2), a top plate (1-6) is fixed in the moving beam (1-2), a telescopic hydraulic cylinder (1-7) is positioned at the rear side of the top plate (1-6), a piston rod (1-7-1) of the excavating beam is connected with the top plate (1-6), the screw rod (1-4) is positioned at the front side of the top plate (1-6) and the rear end of the top plate (1-6) is inserted into a guide hole (1-6) of the top plate (1-6) and can be in threaded connection with the screw rod (1-3) and the rear end (1-5), the driven chain wheel frame (5) is connected to the front end of the ejector rod (1-3).
2. The sieve truck excavating device of claim 1 wherein: the rear part of the screw rod (1-4) is provided with a plurality of tool holes, the upper side surface and the lower side surface of the movable beam (1-2) are provided with windows (1-2-1) opposite to the tool holes on the screw rod (1-4), the beam shell (1-1) of the excavating beam is provided with an opening opposite to the movable beam window (1-2-1) when the excavating beam is in a contracted state, and the opening is provided with a back cover plate (1-14).
3. The sieve truck excavating device of claim 2 wherein: the screw (1-4) is provided with a cylindrical convex body (1-4-2) at the position of the tool hole (1-4-1), and a wear-resistant gasket (1-8) is arranged on the screw (1-4) and between the cylindrical convex body (1-4-2) and the top plate (1-6).
4. The sieve truck excavating device of claim 1 wherein: the guide groove (6) is U-shaped, and inclined planes (6-1-1) are respectively arranged at two ends of the upper groove plate (6-1) and the lower groove plate (6-1).
5. The sieve truck excavating device of claim 4 wherein: the inner wall and the side surface of the guide groove (6) are both provided with hard alloy sheets (7).
6. The utility model provides a clear sieve car excavates assembly, have excavating gear (A) and turning to device (B), excavating gear (A) is including excavating beam (1), power pack (2) and excavation chain drive mechanism (3), each be equipped with a plurality of sections guide slots (6) on the both sides face of excavating beam (1), excavation chain drive mechanism (3) include driving sprocket (3-1), driven sprocket (3-3) and excavation chain (3-2), driving sprocket (3-1) connect on the output shaft of power pack (2), driven sprocket (3-3) connect on the driven shaft of driven chain wheel carrier (5), its characterized in that: the excavating device also comprises an angle adjusting beam (4) which is formed by a vertical column (4-1) and a transverse column (4-2) and is in right angle, the power assembly (2) is connected with the vertical column (4-1) through an external box body (2-4) of the power assembly, a beam shell (1-1) of the excavating beam (1) is internally provided with a moving beam (1-2), a top rod (1-3), a screw rod (1-4), a sliding block (1-5) and a telescopic hydraulic cylinder (1-7), the rear side of the top rod (1-3) is inserted into the moving beam (1-2) and is in movable fit with the moving beam (1-2), a top plate (1-6) is fixed in the moving beam (1-2), a telescopic hydraulic cylinder (1-7) is positioned at the rear side of the top plate (1-6), a piston rod (1-7-1) of the excavating beam is connected with the top plate (1-6), the screw rod (1-4) is positioned at the front side of the top plate (1-6) and the rear end of the top plate (1-6) is inserted into a guide hole (1-6) of the top plate (1-6) and can be in threaded connection with the screw rod (1-3) and the rear end (1-5), the driven chain wheel frame (5) is connected to the front end of the ejector rod (1-3); the steering device (B) comprises a butterfly plate (8), a guide plate (9) and a steering hydraulic cylinder (10), wherein the butterfly plate (8) is fixed at the top of the vertical column (4-1) and the fork part of the butterfly plate is backward, the guide plate (9) is fixed on the fork part of the butterfly plate (8), one corner of the rear side of the guide plate (9) is provided with a connecting part (9-1) extending out in the backward and outward direction, a power output piece (10-1) of the steering hydraulic cylinder (10) is fixed on the connecting part (9-1), and the steering hydraulic cylinder (10) drives the guide plate (9) to rotate.
7. The screen truck excavation assembly of claim 6, wherein: the rear part of the screw rod (1-4) is provided with a plurality of tool holes, the upper side surface and the lower side surface of the movable beam (1-2) are provided with windows (1-2-1) opposite to the tool holes on the screw rod (1-4), the beam shell (1-1) of the excavating beam is provided with an opening opposite to the movable beam window (1-2-1) when the excavating beam is in a contracted state, and the opening is provided with a back cover plate (1-14).
8. The sieve truck digging assembly according to claim 7 wherein: the screw (1-4) is provided with a cylindrical convex body (1-4-2) at the position of the tool hole (1-4-1), and a wear-resistant gasket (1-8) is arranged on the screw (1-4) and between the cylindrical convex body (1-4-1) and the top plate (1-6).
9. The screen truck excavation assembly of claim 6, wherein: the guide groove (6) is U-shaped, and inclined planes (6-1-1) are respectively arranged at two ends of the upper groove plate (6-1) and the lower groove plate (6-1).
10. The sieve truck excavation assembly of claim 9, wherein: the inner wall and the side surface of the guide groove (6) are both provided with hard alloy sheets (7).
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| CN201710860016.3A CN109537378B (en) | 2017-09-21 | 2017-09-21 | Cleaning vehicle excavating device and excavating assembly with same |
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| CN201710860016.3A CN109537378B (en) | 2017-09-21 | 2017-09-21 | Cleaning vehicle excavating device and excavating assembly with same |
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| CN109537378B true CN109537378B (en) | 2024-02-13 |
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| CN207512527U (en) * | 2017-09-21 | 2018-06-19 | 常州市瑞泰工程机械有限公司 | A kind of cleaning vehicle excavating gear and the excavation assembly with the excavating gear |
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| JP2000178903A (en) * | 1998-12-17 | 2000-06-27 | East Japan Railway Co | Railroad ballast excavator and excavation method for railroad ballast |
| CN2368876Y (en) * | 1999-05-24 | 2000-03-15 | 唐山添晖工业机械制造有限公司 | Apparatus for changing ballast and cleaning under sleepers |
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| CN109537378A (en) | 2019-03-29 |
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