CN111809007A - Three-axle frame type running part of alignment tractor - Google Patents
Three-axle frame type running part of alignment tractor Download PDFInfo
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- CN111809007A CN111809007A CN202010697449.3A CN202010697449A CN111809007A CN 111809007 A CN111809007 A CN 111809007A CN 202010697449 A CN202010697449 A CN 202010697449A CN 111809007 A CN111809007 A CN 111809007A
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- axle
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- gear
- hanger
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- 239000000725 suspension Substances 0.000 claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/10—Slag pots; Slag cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a three-axle frame type running part of an alignment tractor, which comprises a running gear, wherein the running gear comprises a plurality of suspender components arranged on the bottom surface of a frame, each suspender component is provided with a suspender capable of vertically and relatively sliding, a spiral steel spring is arranged on each suspender, one end of each spiral steel spring is provided with a steel plate, the other end of each spiral steel spring is in contact connection with each suspender component, one end of each suspender is provided with a ball joint, each ball joint is connected with a suspension plate, each suspension plate swings transversely and longitudinally relative to each suspender through the corresponding ball joint, each suspension plate is provided with a motor and a gear box, the motors and the gear boxes are connected through shaft couplers, the gear boxes are in transmission connection with wheel sets, two ends of each wheel set are provided with axle boxes, the upper parts of the axle boxes are provided with primary springs, the primary springs are connected with the frame, the, and the plurality of suspender components are distributed on two sides of the motor. The walking part greatly reduces the manufacturing cost.
Description
Technical Field
The invention belongs to the field of alignment tractors for rail transit, and particularly relates to a three-axle frame type running part of an alignment tractor.
Background
The alignment tractor is suitable for alignment operation of molten iron tank cars, torpedo cars, slag tank cars and the like in iron and steel enterprises. The counterpoint tractor mainly comprises the automobile body, the drive division, the bogie and the electric control four bibliographic categories branch, can replace diesel locomotive to accomplish hot metal bottle counterpoint operation, accomplishes long-range counterpoint through the remote control, convenient operation, and the counterpoint is accurate reliable, efficient to can prevent that maloperation and molten iron from splashing, equipment operation and self-charging all accessible remote contact have reduced man-machine contact number of times, have reduced the incident rate. Therefore, the counterpoint tractor generally works near the iron-making blast furnace, through the reciprocal intermittent type operation of external power source on straight track, the functioning speed is low, needs to satisfy the tonnage of pulling of enterprise and the counterpoint precision requirement that parks simultaneously, nevertheless because work near high temperature, the walking portion requires not high temperature resistant elastic product such as rubber, and current counterpoint tractor mainly divide into two kinds: one is a four-axis bogie type alignment tractor, which has large traction tonnage, but has a complex structure and high manufacturing cost; the other type is a two-shaft bogie type alignment tractor, but the traction tonnage is smaller.
Disclosure of Invention
The technical problem solved by the invention is as follows: the three-shaft frame type running part of the alignment tractor is provided, aiming at the characteristics of low speed, high temperature resistance, reciprocating intermittent operation on a straight track and the like of the alignment tractor in an iron and steel enterprise, meets the traction capacity without adopting products such as rubber and the like which do not have high temperature resistance, simultaneously reduces a one-shaft wheel pair driving system, a secondary suspension system and a framework frame by adopting the three-shaft frame type running part, and greatly reduces the manufacturing cost.
The technical scheme adopted by the invention is as follows:
a three-axle frame type walking part of an alignment tractor comprises a walking device, wherein the walking device comprises a plurality of suspender components arranged on the bottom surface of a frame, the suspender components are provided with suspenders capable of sliding vertically and relatively, spiral steel springs are arranged on the suspenders, one ends of the spiral steel springs are provided with baffles, the other ends of the spiral steel springs are in contact connection with the suspender components, one ends of the suspenders are provided with ball joints, the ball joints are connected with suspension plates, the suspension plates swing transversely and longitudinally relative to the suspenders through the ball joints, motors and gear boxes are arranged on the suspension plates and are connected through shaft couplers, the gear boxes are in transmission connection with wheel sets, axle boxes are arranged at two ends of the wheel sets, a series of springs are arranged at the upper parts of the axle boxes and are connected with the frame, axle box pull rods are arranged in the middle parts of the axle boxes, and are connected, and the plurality of suspender components are distributed on two sides of the motor.
Preferably, the axle box bearing is a large traverse bearing.
Preferably, the three groups of running gears are assembled into a three-axle frame type running gear.
Preferably, set up double-deck coil steel spring on the jib, double-deck coil steel spring both ends are connected with the baffle, the baffle is fixed on the jib, the jib subassembly will be arranged in double-deck coil steel spring on the jib separates.
Preferably, the boom assemblies are distributed in 3 numbers on two sides of the motor.
Preferably, the suspender assembly comprises a suspension seat, the suspension seat comprises two first suspension seat suspension plates, the two first suspension plates are connected with a second suspension seat suspension plate, and the suspender penetrates through the second suspension seat suspension plate.
Preferably, the ball joint comprises a shaft pin, the shaft pin is connected with an inner ring of a joint bearing in a matching manner, an outer ring of the joint bearing is connected with the hanging rod, spacer bushes connected with the shaft pin in a matching manner are arranged on two sides of the joint bearing, a connecting seat is further arranged on the shaft pin, and the connecting seat is connected with the hanging plate.
Preferably, dust rings are arranged on two sides of the knuckle bearing and are in fit connection with the spacer bush.
Preferably, one end of the shaft pin is provided with a gland, the other end of the shaft pin and a boss which is integrally formed with the shaft pin, and the spacer bushes arranged on the two sides of the joint bearing are respectively in contact connection with the gland and the boss.
Preferably, the hanger plate is provided with a T-shaped groove corresponding to the motor, and the hanger plate is provided with a T-shaped groove corresponding to the gear box.
The alignment tractor is different from the conventional alignment tractor in mode, adopts a mode of a three-axle frame type running part, and covers the traditional alignment tractor with the same traction tonnage and alignment performance under the application condition. The vertical, transverse and longitudinal displacement of the tractor is met by adopting the suspender component, and because a new structural mode is adopted, a primary wheel pair driving system, a secondary suspension system and a framework frame are reduced, the manufacturing cost is obviously reduced, and meanwhile, the middle wheel pair axle box of the three-axle frame type running part adopts a large-transverse-displacement bearing design, so that the application of the alignment tractor of the three-axle running part on a small curve can be met.
Drawings
FIG. 1 is a schematic front view of a running gear according to the invention;
FIG. 2 is a schematic top view of the running gear of the invention;
FIG. 3 is a schematic view of a boom assembly.
Wherein, the names corresponding to the reference numbers are:
1-hanger, 11-first hanger, 12-second hanger, 2-hanger, 3-double-layer spiral steel spring, 4-baffle, 5-ball joint, 51-axle pin, 52-joint bearing, 53-spacer, 54-connecting seat, 55-dust ring, 56-boss, 57-gland, 6-hanger, 7-motor, 8-gear box, 9-wheel pair, 10-axle box, 13-axle box pull rod, 14-coupler, 15-series spring.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Example 1
A three-axle frame type running part of an alignment tractor comprises a running gear, wherein the running gear comprises a suspender component arranged on the bottom surface of a frame, the suspender component is provided with a suspender 2 capable of sliding vertically relative to each other, a spiral steel spring is arranged on the suspender 2, one end of the spiral steel spring is provided with a baffle 4, the baffle 4 is fixed on the suspender 2, the fixing mode is a fixing connection mode known by a person skilled in the art, such as a welding mode, the other end of the fixing mode is in contact connection with the suspender component, one end of the suspender 2 is provided with a ball joint 5, the ball joint 5 is connected with a hanging plate 6, the hanging plate 6 swings transversely and longitudinally relative to the suspender 2 through the ball joint 5, the ball joint 5 is a common technical means for realizing multi-directional swing commonly and the hanging plate 6 swings transversely and longitudinally relative to the suspender 2 through the ball joint 5 and can also be a common technical means for realizing multi-directional swing transversely and longitudinally relative to the suspender 2 through The performance structure is designed conventionally, and therefore will not be described in detail herein, the hanger plate 6 is provided with a motor 7 and a gear box 8, the motor 7 and the gear box 8 are connected through an axle coupler 14, the gear box 8 is in transmission connection with a wheel pair 9, axle boxes 10 are provided at two ends of the wheel pair 9, a series of springs 15 are provided at upper portions of the axle boxes 10, the series of springs 15 are connected with a vehicle frame, an axle box pull rod 13 is provided at a middle portion of the axle box 10, the axle box pull rod 13 is connected with the vehicle frame, and a plurality of boom assemblies are distributed at two sides of the motor 7. The gear box 7, gear box 8, coupling 14, wheel set 9, spring tie 15 and axlebox 13 are common locomotive equipment components known to those skilled in the art, the structure and mounting of which are well known to those skilled in the art and will not be described in detail herein.
The invention provides a three-axle frame type running part of an alignment tractor, which comprises a running device, wherein the running device provides traction power through a motor 7 so as to move a wheel set 9, a suspension rod 2 which can vertically slide on a suspension rod assembly is provided with a spiral steel spring which can vertically slide relative to the suspension rod and contract, the lower part of the suspension rod 2 is connected with a ball joint 5, the ball joint 5 is connected with a suspension plate 6, the suspension plate 6 is provided with the motor 7 and a gear box 8 which are connected through a coupler 14, the gear box 8 is in transmission connection with the wheel set 9, two ends of the wheel set 9 are provided with axle boxes 10, a series of springs 15 and axle box pull rods 13 which are arranged on the upper parts of the axle boxes 10 are connected with a frame, so that the suspension plate 6 is driven to move in the vertical direction by the vertical direction movement of the suspension rod 2, therefore, the vertical positioning and displacement of the running device can be realized, the specific connection relationship of the spiral steel, the other end is connected with the suspender component in a contact way. And the lower end portion of the boom 2 is connected to a ball joint 5, and the ball joint 5 is connected to a suspension plate 6, and the suspension plate 6 swings in the lateral and longitudinal directions with respect to the boom 2 through the ball joint 5, so that the lateral and longitudinal positioning and displacement of the running gear can be achieved. The walking device of the invention does not need a framework frame and secondary suspension, thereby reducing the manufacturing cost.
Example 2
In embodiment 1, the axle box 10 uses a bearing with a large transverse displacement. In the present embodiment, the axle box 10 is provided with a large traverse bearing, and the tractor can be applied to a small curve.
Example 3
Based on the above embodiment 2, as shown in fig. 1-2, three sets of the running gear are assembled into a three-axle frame type running gear. In this embodiment, the three-axle bogie type traveling part is composed of three sets of traveling devices, and the wheel pair distances of two traveling devices, such as s1 and s2 shown in fig. 1, are calculated according to the actual load condition, so as to determine the positions of the traveling devices. The alignment tractor adopts the three-axle frame type walking part, and under the condition of the same traction tonnage and application, the alignment performance of the alignment tractor covers the traditional alignment tractor, and meanwhile, a one-wheel pair driving system, a secondary suspension system and a framework frame are reduced, so that the manufacturing cost is obviously reduced.
Example 4
Based on the above embodiments 1-3, the suspension rod 2 is provided with the double-layer spiral steel spring 3, two ends of the double-layer spiral steel spring 3 are connected with the baffle 4, the baffle 4 is fixed on the suspension rod 2, and the suspension rod assembly separates the double-layer spiral steel spring 3 arranged on the suspension rod 2. In this embodiment, the suspension rod adopts a double-layer steel coil spring 3, because two ends of the double-layer steel coil spring 3 are connected with baffle plates 4, the baffle plates 4 are fixed on the suspension rod 2, and the suspension rod assembly separates the double-layer steel coil spring 3 arranged on the suspension rod 2, the extension and retraction processes of the double-layer steel coil spring 3 are opposite when the suspension rod 2 moves vertically; for easy understanding, as shown in fig. 3, an upper layer coil steel spring of the double-layer coil steel spring 3 is named as L2, a lower layer coil steel spring is named as L1, when in a static state, the upper layer coil steel spring L2 and the lower layer coil steel spring L1 do not stretch and contract, the lengths of the upper layer coil steel spring L2 and the lower layer coil steel spring L1 are equal, when the hanger plate 6 moves, the hanger rod 2 moves in a vertical direction, and the stretching processes of the lower layer coil steel spring L1 and the upper layer coil steel spring L2 are opposite; when the hanger plate 2 vibrates upwards, the position of the hanger rod assembly is unchanged, the hanger rod 2 moves upwards, the lower layer spiral steel spring L1 is compressed, and the upper layer spiral steel spring L2 is extended; when the hanger plate 6 vibrates downwards, the position of the hanger rod assembly is unchanged, the hanger rod 2 moves downwards, the lower layer spiral steel spring L1 is stretched, and the upper layer spiral steel spring L2 is compressed; thereby realizing the requirements of vertical positioning and displacement of the walking device.
Example 5
Based on the above embodiment 4, as shown in fig. 2, the boom assemblies are 3 ones distributed on both sides of the motor 7. In this embodiment, the boom assemblies are 3 and are distributed on two sides of the motor 7, the centers of the three points are located on the gravity center of the weight of the boom assemblies, so that the three points are stressed equally, and the compression amount of the spring is equal, thereby enabling the hanger plate 6 to be in a horizontal position, enabling a motor shaft of the motor 7 arranged on the hanger plate 6 to be coaxial with a gear shaft of the gear box 8, enabling the transmission to be stable and reliable, and prolonging the service life of the driving shaft. If the number of the suspender components is 2, two-point suspension is adopted, more space is occupied, so that the distance of installation parts between the wheel pairs 9 is reduced, the operable space is small, and the installation and the maintenance are inconvenient; two points are suspended, the suspension points have slight deviation, the suspension plate 6 is easy to have uneven stress, the suspension plate 6 is deformed, and the motor shaft and the gear shaft are not concentric, so that the use is influenced. If the suspension is more than 3 points, the whole suspension system is in an over-positioning state, the horizontal installation precision of the suspension plate 6 cannot be ensured, and the performance of the whole vehicle is influenced.
Example 6
Based on the above embodiment 5, as shown in fig. 1 to 3, the boom assembly includes a hanger 1, the hanger 1 includes two first hanger plates 11, the two first hanger plates 11 are connected to a second hanger plate 12, and the boom 2 extends through the second hanger plate 12. The specific structure of the boom assembly is illustrated in this embodiment, that is, the boom assembly includes a boom seat 1, the boom seat 1 includes two first boom seat suspension plates 11, the two first boom seat suspension plates 11 are connected to a second boom seat suspension plate 12, and the boom 2 penetrates through the second boom seat suspension plate 12. The hanger 1 of the hanger rod assembly is fixed on the bottom surface of a frame, and is in sliding connection with the hanger 1 by the way that the hanger rod 2 penetrates through the second hanger plate 12, so that the hanger rod 2 can move up and down relative to the hanger 1, an upper layer spiral steel spring L2 is arranged on the hanger rod 2 above the second hanger plate 12, a lower layer spiral steel spring L1 is arranged on the hanger rod 2 below the second hanger plate 12, and when the hanger rod 2 is still, the upper layer spiral steel spring L2 and the lower layer spiral steel spring L1 are not deformed; when the suspension rod 2 moves upwards, the upper layer spiral steel spring L2 is compressed, and the lower layer spiral steel spring L1 is extended; when the boom 2 moves downward, the upper layer coil steel spring L2 expands and the lower layer coil steel spring L1 compresses. Further, the boom assembly is not limited to the above-described one, as long as it is fixed to the frame and the boom 2 is slidably coupled.
Example 7
Based on the above embodiment 4 or 5, as shown in fig. 3, the ball joint 5 includes a shaft pin 51, the shaft pin 51 is connected with an inner ring of a joint bearing 52 in a matching manner, an outer ring of the joint bearing 52 is connected with the suspension rod 2, spacer bushes 53 connected with the shaft pin 51 in a matching manner are arranged on two sides of the joint bearing 52, a connection seat 54 is further arranged on the shaft pin 51, and the connection seat 54 is connected with the suspension plate 6. In this embodiment, specific structures of the ball joint 5 are specifically described, that is, the structure includes a shaft pin 51, the shaft pin 51 is engaged with an inner ring of a knuckle bearing 52, an outer ring of the knuckle bearing 52 is connected with the suspension rod 2, the knuckle bearing 52 is a spherical knuckle bearing common to ball joints, and is a structure known to those skilled in the art, and will not be described in detail herein, the outer ring of the knuckle bearing 52 is connected with the suspension rod 2, and is equivalent to a ball joint on which a knuckle handle is provided, and the connection manner is known to those skilled in the art, and will not be described herein in detail; the two sides of the knuckle bearing 52 are provided with a spacer 53 which is matched and connected with the shaft pin 51, wherein the spacer 53 plays roles in positioning the knuckle bearing 52 and preventing dust; and the axle pin 51 is further provided with a connecting seat 54, the connecting seat 54 is connected with the hanging plate 6 in a welding mode, the hanging plate 6 is welded with the connecting seat 54, the connecting seat 54 is connected with the axle pin 51, and the axle pin 51 is matched with the inner ring of the knuckle bearing 52, so that the hanging plate 6 is equivalent to that the axle pin 51 is connected with the inner ring of the knuckle bearing 52 through the connecting seat 54, the hanger rod 2 is connected with the outer ring of the knuckle bearing 52, and the hanger rod 2 is suspended on the bottom surface of the frame, so that the hanging plate 6 can swing in the transverse direction and the longitudinal direction.
Example 8
Based on the embodiment 7, as shown in fig. 3, the joint bearing 52 is provided with the dust rings 55 on both sides, and the dust rings 55 are connected with the spacer 53 in a matching manner. In this embodiment, dust rings 55 are disposed on two sides of the knuckle bearing 52, and the dust rings 55 are connected with the spacer 53 in a matching manner to seal the knuckle bearing 52 and prevent dust from entering the knuckle bearing 52 and affecting the flexibility of the knuckle bearing 52.
Example 9
Based on the above embodiment 8, as shown in fig. 3, one end of the shaft pin 51 is provided with a gland 57, the other end is provided with a boss 56 integrally formed with the shaft pin 51, and the spacers 53 disposed at both sides of the knuckle bearing 52 are respectively connected with the gland 57 and the boss 56 in a contact manner. In this embodiment, the shaft pin 51 is provided with a gland 57 and a boss 56 at both ends thereof, respectively, to further fix the spacer 53 and the knuckle bearing 52 on the shaft pin 51, and to prevent the spacer 53 and the knuckle bearing 52 on the shaft pin 51 from loosening.
Example 10
Based on the above embodiment 9, the hanger plate 6 is provided with the T-shaped groove corresponding to the motor 7, and the hanger plate 6 is provided with the T-shaped groove corresponding to the gear box 8. In this embodiment, the hanger plate 6 is provided with a T-shaped groove corresponding to the motor 7, so that the mounting accuracy of the motor 7 can be improved, and the hanger plate 6 is provided with a T-shaped groove corresponding to the gear box 8, so that the mounting accuracy of the gear box 8 can be improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A three-axle frame type walking part of an alignment tractor comprises a walking device and is characterized in that the walking device comprises a plurality of suspender components arranged on the bottom surface of a frame, the suspender components are provided with suspenders capable of sliding vertically and oppositely, spiral steel springs are arranged on the suspenders, one ends of the spiral steel springs are provided with steel plates, the other ends of the spiral steel springs are in contact connection with the suspender components, one ends of the suspenders are provided with ball joints, the ball joints are connected with suspension plates, the suspension plates swing transversely and longitudinally relative to the suspenders through the ball joints, the suspension plates are provided with motors and gear boxes, the motors and the gear boxes are connected through shaft couplers, the gear boxes are in transmission connection with wheel sets, axle boxes are arranged at two ends of the wheel sets, primary springs are arranged at the upper parts of the axle boxes and connected with the frame, pull rods are arranged in the middle parts, the axle box pull rod is connected with the frame, and the plurality of suspender components are distributed on two sides of the motor.
2. The running gear of a tractor with three axles according to claim 1, wherein the axle box bearings are high-transverse-load bearings.
3. The running gear of the alignment tractor as defined by claim 2, wherein the running gear of the three sets are assembled into a running gear of a three-axle frame type.
4. The three-axle frame running gear of an alignment tractor according to any one of claims 1 to 3, wherein the suspension rod is provided with a double-layer spiral steel spring, the two ends of the double-layer spiral steel spring are connected with baffle plates, the baffle plates are fixed on the suspension rod, and the suspension rod assembly separates the double-layer spiral steel spring arranged on the suspension rod.
5. The three-axle frame running gear of an alignment tractor according to claim 4, wherein the boom assembly comprises 3 boom assemblies distributed on both sides of the motor.
6. The tri-axial frame running gear of an alignment tractor according to claim 5, wherein the boom assembly comprises a hanger base comprising two first hanger base hanger plates connected to a second hanger base hanger plate, and the boom extends through the second hanger base hanger plate.
7. The three-axle frame type running part of the alignment tractor according to claim 4 or 5, wherein the ball joint comprises a shaft pin, the shaft pin is connected with an inner ring of a joint bearing in a matching manner, an outer ring of the joint bearing is connected with the suspension rod, spacers connected with the shaft pin in a matching manner are arranged on two sides of the joint bearing, a connecting seat is further arranged on the shaft pin, and the connecting seat is connected with the suspension plate.
8. The three-axle frame type running part of the alignment tractor according to claim 7, wherein dust rings are arranged on two sides of the joint bearing and are in fit connection with the spacer.
9. The three-axle frame type running part of the alignment tractor according to claim 8, wherein a gland is arranged at one end of the axle pin, a boss is integrally formed with the axle pin at the other end of the axle pin, and the spacers arranged at two sides of the joint bearing are respectively in contact connection with the gland and the boss.
10. The three-axle frame type running gear of the alignment tractor according to claim 9, wherein a T-shaped groove corresponding to the motor is formed in the hanger plate, and a T-shaped groove corresponding to the gear box is formed in the hanger plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010697449.3A CN111809007B (en) | 2020-07-20 | 2020-07-20 | Three-axle frame type running part of alignment tractor |
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| CN202010697449.3A CN111809007B (en) | 2020-07-20 | 2020-07-20 | Three-axle frame type running part of alignment tractor |
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| CN111809007A true CN111809007A (en) | 2020-10-23 |
| CN111809007B CN111809007B (en) | 2021-12-17 |
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| CN112373502A (en) * | 2020-11-27 | 2021-02-19 | 中冶京诚（湘潭）重工设备有限公司 | Lower body of traction locomotive for blast furnace tapping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373502A (en) * | 2020-11-27 | 2021-02-19 | 中冶京诚（湘潭）重工设备有限公司 | Lower body of traction locomotive for blast furnace tapping |
| CN112373502B (en) * | 2020-11-27 | 2022-04-01 | 中冶京诚（湘潭）重工设备有限公司 | Lower body of traction locomotive for blast furnace tapping |
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| CN111809007B (en) | 2021-12-17 |
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