CN217396128U - Multifunctional tractor - Google Patents

Abstract

A multifunctional tractor relates to the field of tractors. The multifunctional tractor comprises a tractor body, a tire running mechanism, a crawler running mechanism and a wheel-rail running complete machine cross-line traversing mechanism, wherein the tire running mechanism, the crawler running mechanism and the wheel-rail running complete machine cross-line traversing mechanism are connected with the tractor body; the wheel-rail running complete machine cross-line transverse moving mechanism comprises two wheel-rail running supports which are connected to the bottom of the tractor body in a lifting mode, cross-line transfer supports are connected to two ends of each wheel-rail running support respectively, and each cross-line transfer support is connected with a rotatable steel wheel; the two overline transfer frames of the wheel-rail walking bracket are respectively configured to rotate by 90 degrees around a vertical axis so as to rotate the axes of the two corresponding steel wheels by 90 degrees. The application provides a multifunctional tractor can be in tire walking, wheel rail walking, track walking conversion and quick convenient the railway cross-track transfer that carries on.

Description

Multifunctional tractor

Technical Field

The application relates to the field of tractors, in particular to a multifunctional tractor.

Background

Along with the gradual expansion of the construction of the Yaan to the Linzhi section of the Sichuan-Tibet railway, new requirements are put forward on long steel rail construction equipment. High altitude, low temperature, low pressure and fragile ecological environment in the course of Sichuan-Tibet railway construction are challenges that constructors, including equipment producers, must face. The existing tractor over-line operation is often in an area which can not be reached by hoisting equipment, temporary turnouts are paved or the tractor is driven to a line marshalling with the turnouts when the over-line operation is needed, so that a large amount of financial resources and time are consumed, and the requirement of railway construction is difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a multi-functional tractor, it can be at tire walking, wheel rail walking, track walking conversion and quick convenient the railway cross-track transfer that carries on.

The embodiment of the application is realized as follows:

the embodiment of the application provides a multifunctional tractor, which comprises a tractor body and at least four tire traveling mechanisms connected with the tractor body, wherein the tractor body is also connected with a crawler traveling mechanism and a wheel-rail traveling complete machine cross-line traversing mechanism; the wheel-rail walking complete machine cross-line transverse moving mechanism comprises two wheel-rail walking brackets which are connected to the bottom of the traction vehicle body in a lifting manner, two ends of each wheel-rail walking bracket are respectively connected with a cross-line transfer frame, each cross-line transfer frame is connected with a rotatable steel wheel, and each cross-line transfer frame is connected with a steel wheel driving motor for driving the corresponding steel wheel to rotate; the two cross-line transfer frames of the wheel-rail walking support are respectively configured to be capable of rotating by 90 degrees around a vertical axis, so that the axes of the two corresponding steel wheels are collinear and rotate to the width direction of the traction vehicle body in parallel, and the axes are respectively parallel to the length direction of the traction vehicle body.

In some alternative embodiments, the tire running mechanism includes a tire running support movably attached to a side portion of the tractor body in a width direction of the tractor body, a turret rotatably attached to the tire running support about a vertical axis, a tire rotatably attached to the turret, and a tire driving motor for driving the tire to rotate, and the tire running support is further connected with a steering cylinder for driving the turret to rotate about the vertical axis.

In some alternative embodiments, the traction vehicle body is connected with a tire extension sleeve which corresponds to the tire running support in a one-to-one mode, one end of the tire running support is slidably inserted into the tire extension sleeve, and the tire extension sleeve is connected with a tire extension oil cylinder for driving the tire running support to move along the tire extension sleeve.

In some alternative embodiments, the tractor body is connected to a plurality of track lifting sleeves and one-to-one corresponding track lifting struts slidably inserted into each track lifting sleeve, the track lifting sleeves are connected to track lifting cylinders for driving the corresponding track lifting struts to move therealong, and a bottom portion of each track lifting strut is connected to the track frame.

In some alternative embodiments, a plurality of wheel rail lifting cylinders for driving the wheel rail running support to lift are connected with the traction vehicle body.

In some alternative embodiments, one end of each of the over-line transfer frames is hinged to the end of the corresponding wheel-track running support through a rotating pin, and at least one locking bolt is connected to the end of each of the over-line transfer frames, and the locking bolt is configured to be axially movable to pass through and lock or unlock the over-line transfer frame and the corresponding wheel-track running support.

In some optional embodiments, a first rotation locking plate is connected to the side part of each overline transfer frame, and a second rotation locking plate corresponding to the first rotation locking plate is connected to the side part of each wheel-rail running frame; when the overline transfer frame rotates around the rotating pin to enable the axis of the corresponding steel wheel to rotate from the direction parallel to the width direction of the traction vehicle body to the direction parallel to the length direction of the traction vehicle body, the locking bolt is configured to move axially to penetrate through and lock or unlock the first rotating locking plate and the second rotating locking plate.

In some optional embodiments, the tail of the tractor body is connected with a rail automatic rail clamping device, the rail automatic rail clamping device comprises a sliding guide beam extending along the width direction of the tractor body and a lifting assembly for driving the sliding guide beam to lift, the sliding guide beam is further connected with at least two rail clamping assemblies, each rail clamping assembly comprises a sleeve support slidably sleeved on the sliding guide beam, a rail guide frame connected to the bottom of the sleeve support, a transverse adjusting cylinder for driving the sleeve support to move along the sliding guide beam, a rail clamp capable of being opened or clamped to clamp a rail, a clamp adjusting cylinder for driving the rail clamp to be opened or clamped, and a clamp lifting cylinder for driving the rail clamp to lift so that the top of the rail clamped by the rail clamp accommodates or separates from the rail guide frame.

In some optional embodiments, the rail clamping assembly is further connected with a rail locking device, the rail locking device comprises a locking support connected with the casing support, the bottom of the locking support is connected with locking pliers capable of being opened or clamped and a locking oil cylinder used for driving the locking pliers to be opened or clamped, the head of each locking pliers is respectively connected with a left dragging wedge rail and a right dragging wedge rail in a shape of a letter, the locking pliers drive the left dragging wedge rail and the right dragging wedge rail to be matched to loosen or clamp a rail accommodated in the rail guide frame when being opened or clamped, the rail locking device further comprises a locking arm and a locking arm driving oil cylinder, the middle part of the locking arm is rotatably connected with the locking support, the locking arm is rotatably connected with a wedge, and the locking arm drives the wedge to be inserted into or separated from the top of the corresponding rail and between the left dragging wedge rail and the right dragging wedge rail when being rotated.

The beneficial effect of this application is: the multifunctional tractor comprises a tractor body and at least four tire traveling mechanisms connected with the tractor body, wherein the tractor body is also connected with a crawler traveling mechanism and a wheel-track traveling complete machine cross-line traversing mechanism, the crawler traveling mechanism comprises a crawler frame connected to the bottom of the tractor body in a lifting manner, two crawler traversing supports and crawler assemblies connected with the crawler traversing supports in a one-to-one correspondence manner, the two crawler traversing supports are respectively connected to two sides of the crawler frame in a movable manner along the width direction of the tractor body, and the crawler frame is respectively connected with crawler traversing oil cylinders for driving the two crawler traversing supports to move along the width direction of the tractor body; the wheel-rail walking complete machine cross-line transverse moving mechanism comprises two wheel-rail walking brackets which are connected to the bottom of the traction vehicle body in a lifting manner, two ends of each wheel-rail walking bracket are respectively connected with cross-line transfer frames, and each cross-line transfer frame is connected with a rotatable steel wheel; the two cross-line transfer frames of the wheel-rail walking support are respectively configured to be capable of rotating by 90 degrees around a vertical axis, so that the axes of the two corresponding steel wheels are collinear and rotate to the width direction of the traction vehicle body in parallel, and the axes are respectively parallel to the length direction of the traction vehicle body. The application provides a multi-functional tractor can be in tire walking, the walking of railway wheel rail, conversion between the crawler to can be fast convenient carry out complete machine railway cross-line transfer operation, need not lay interim switch, also need not open the tractor to the circuit marshalling that has the switch, saved the activity duration and reduced the operating cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a first viewing angle of a multi-function tractor according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a second viewing angle of the multi-purpose tractor according to the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a tire running mechanism of the multi-purpose tractor according to an embodiment of the present disclosure from a first perspective;

FIG. 4 is a schematic structural view from a second perspective of a tire running mechanism of the multi-purpose tractor according to the embodiment of the present application;

FIG. 5 is a schematic illustration of a first perspective view of a crawler track of a multi-purpose tractor according to an embodiment of the present disclosure;

FIG. 6 is a schematic partial structure view from a second perspective of a crawler track of a multi-purpose tractor according to an embodiment of the present disclosure;

fig. 7 is a partial structural view of a first view angle of the wheel-rail running complete machine cross-line traversing mechanism in the multifunctional tractor according to the embodiment of the present application;

fig. 8 is a partial structural view of a second view angle of the wheel-rail walking complete machine cross-line traversing mechanism in the multifunctional tractor according to the embodiment of the present application;

fig. 9 is a partial schematic structural view of a first viewing angle at which the multi-function tractor according to the embodiment of the present application is switched to a tire shape running state;

fig. 10 is a partial schematic structural view of the multifunctional towing vehicle provided in the embodiment of the present application, which is switched to a second viewing angle of the tire shape running state;

FIG. 11 is a schematic partial structural view of a first perspective of the multi-function tractor configured to switch to a crawler travel configuration according to an embodiment of the present disclosure;

FIG. 12 is a schematic partial structural view of the multi-purpose tractor according to an embodiment of the present disclosure switched to a second perspective of the track-walking configuration;

fig. 13 is a partial structural view of a first viewing angle when the multifunctional towing vehicle is switched to the track-and-wheel shape running state according to the embodiment of the present application;

fig. 14 is a partial structural view of the multifunctional towing vehicle provided in the embodiment of the present application from the second viewing angle to the wheel track walking state;

fig. 15 is a schematic structural diagram of a first view angle of an automatic rail clamping device for a multifunctional tractor according to an embodiment of the present application;

fig. 16 is a schematic structural diagram of a second view angle of the automatic rail clamping device for a multifunctional tractor according to the embodiment of the present application;

fig. 17 is a schematic structural diagram of a rail clamping assembly of an automatic rail clamping device for a multifunctional tractor according to an embodiment of the present application;

fig. 18 is a schematic structural diagram of a lifting assembly of an automatic rail clamping device for a multifunctional tractor according to an embodiment of the present application;

FIG. 19 is a schematic structural view of the multi-purpose prime mover according to an embodiment of the present invention, wherein the wedge of the rail locking mechanism is not inserted between the top of the rail and the left and right trailing wedge segments;

FIG. 20 is a schematic structural view of the wedge of the rail locking device of the multi-purpose tractor according to the embodiment of the present invention inserted between the top of the rail and the left and right trailing wedge segments;

fig. 21 is a schematic structural view of a locking clamp, a left pulling wedge, and a right pulling wedge of a rail locking device in an automatic rail clamping device of a multifunctional tractor according to an embodiment of the present application.

In the figure: 100. a tractor body; 200. a tire running mechanism; 210. a tire running support; 220. a revolving frame; 230. a tire; 240. a tire driving motor; 250. a steering cylinder; 260. a tire extension sleeve; 270. a tire telescopic oil cylinder; 280. a rotary support; 300. a crawler belt running mechanism; 310. a track frame; 320. the crawler belt transversely moves the bracket; 330. a track assembly; 340. a crawler transverse moving oil cylinder; 350. a track lifting sleeve; 360. a track lifting strut; 370. a crawler lifting oil cylinder; 400. a wheel-rail walking complete machine cross-line transverse moving mechanism; 410. a wheel-rail running support; 420. a cross-line transfer rack; 430. a wheel rail lifting oil cylinder; 440. a rotation pin; 450. locking the bolt; 460. a first rotation locking plate; 461. a first locking hole; 470. a second rotation lock plate; 471. a second locking hole; 480. a steel wheel; 490. a steel wheel drive motor; 500. sliding the guide beam; 510. a fixed mount; 520. a connecting seat; 530. a movable frame; 540. an upper connecting rod; 550. a lower connecting rod; 560. a sliding guide beam lifting oil cylinder; 600. a rail clamping assembly; 610. a sleeve support; 611. a support frame; 620. a steel rail guide frame; 621. an opening; 630. a transverse adjusting oil cylinder; 640. a steel rail clamp; 650. the clamp body adjusts the cylinder; 660. a clamp body lifting oil cylinder; 670. a force transfer sleeve; 680. a bidirectional cylinder base; 690. a bidirectional adjusting oil cylinder; 700. a rail locking device; 710. a locking bracket; 720. locking pliers; 730. locking the oil cylinder; 740. dragging the wedge block leftwards; 750. dragging the wedge block right; 760. a locking arm; 761. a pin shaft; 770. the locking arm drives the oil cylinder; 780. a wedge; 800. a steel rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The features and performance of the multi-purpose prime mover and the running switching method of the present application will be described in further detail with reference to the following embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, and fig. 14, an embodiment of the present application provides a multi-purpose tractor including a tractor body 100, and four tire running mechanisms 200, a crawler running mechanism 300, and a wheel-rail running chassis cross-line traversing mechanism 400 connected to the tractor body 100;

wherein, the four tire running mechanisms 200 are respectively arranged at two sides of two ends of the traction vehicle body 100, each tire running mechanism 200 comprises a tire telescopic sleeve 260 connected with one side of the traction vehicle body 100, a tire running support 210 with one end telescopically inserted in the tire telescopic sleeve 260, a rotary support 280 connected with the other end of the tire running support 210, the tire running support 210 is further connected with a steering oil cylinder 250 for driving the rotating support 220 to rotate around the vertical axis, two ends of the steering oil cylinder 250 are respectively hinged with the rotating support 280 and the rotating support 220, the tire telescopic sleeve 260 is connected with a tire telescopic oil cylinder 270 for driving the tire running support 210 to move along the tire telescopic oil cylinder 270, and two ends of the tire telescopic oil cylinder 270 are respectively hinged with the tire telescopic sleeve 260 and the tire running support 210.

The crawler traveling mechanism 300 includes four crawler lifting sleeves 350 connected to the tractor body 100, four crawler lifting struts 360 slidably inserted into the four crawler lifting sleeves 350 one by one, a crawler frame 310 connected to the bottom of each crawler lifting strut 360, two crawler traverse brackets 320, and crawler assemblies 330 connected to the crawler traverse brackets 320 one by one, the two crawler traverse brackets 320 are respectively inserted into two sides of the crawler frame 310 in a manner of being movable in the width direction of the tractor body 100, the crawler frame 310 is respectively connected to crawler traverse cylinders 340 for driving the two crawler traverse brackets 320 to move in the width direction of the tractor body 100, two ends of each crawler traverse cylinder 340 are respectively hinged to the crawler frame 310 and the corresponding crawler traverse bracket 320, the crawler lifting sleeves 350 are connected to crawler lifting cylinders 370 for driving the corresponding crawler lifting struts 360 to move along, two ends of each crawler lifting cylinder 370 are respectively hinged to the crawler lifting sleeves 350 and the corresponding crawler lifting struts 360 .

The wheel-rail running complete machine cross-line transverse moving mechanism 400 comprises two wheel-rail running supports 410 which are connected to the bottom of a traction vehicle body 100 in a lifting manner, the traction vehicle body 100 and each wheel-rail running support 410 are connected through two wheel-rail lifting oil cylinders 430, two ends of each wheel-rail running support 410 are respectively connected with a cross-line transfer frame 420, each cross-line transfer frame 420 is connected with a rotatable steel wheel 480, and each cross-line transfer frame 420 is connected with a steel wheel driving motor 490 which is used for driving the corresponding steel wheel 480 to rotate; one end of each cross-line transfer frame 420 is hinged with the end of the corresponding wheel-rail walking support 410 through a vertically-arranged rotating pin 440, one end of each cross-line transfer frame 420, which is provided with the rotating pin 440, is also connected with two vertically-arranged locking bolts 450, and when the axis of the steel wheel 480 connected with each cross-line transfer frame 420 is parallel to the width direction of the traction vehicle body 100, the locking bolts 450 can move axially and sequentially penetrate through the cross-line transfer frames 420 and the corresponding wheel-rail walking supports 410 to lock or unlock; one side of each over-line transfer frame 420 is connected with a first rotation locking plate 460, two first locking holes 461 are formed in the first rotation locking plate 460, the side part of the wheel rail walking bracket 410 is connected with second rotation locking plates 470 which are in one-to-one correspondence with the first rotation locking plates 460, and two second locking holes 471 are formed in each second rotation locking plate 470 which are in one-to-one correspondence with the first locking holes 461; when the transfer frame 420 rotates around the rotation pin 440 to rotate the axis of the corresponding steel wheel 480 from the direction parallel to the width of the towing vehicle body 100 to the direction parallel to the length of the towing vehicle body 100, the first locking hole 461 on the first rotation locking plate 460 is aligned with the second locking hole 471 on the corresponding second rotation locking plate 470, and the locking bolt 450 can move in the axial direction to sequentially pass through the corresponding first locking hole 461 and the second locking hole 471 and lock or unlock the first rotation locking plate 460 and the second rotation locking plate 470.

As shown in fig. 15, 16, 17, 18, 19, 20 and 21, the tail of the tractor body 100 is connected to a sliding guide beam 500 extending along the width direction thereof through a lifting assembly, the sliding guide beam 500 is connected to four rail clamping assemblies 600, the lifting assembly includes a fixed frame 510, a connecting seat 520 connected to the fixed frame 510, a movable frame 530 connected to the sliding guide beam 500, two upper connecting rods 540, two lower connecting rods 550 and two sliding guide beam lift cylinders 560 corresponding to the lower connecting rods 550 one by one, two ends of the upper connecting rods 540 and the lower connecting rods 550 are respectively hinged to the fixed frame 510 and the movable frame 530, and two ends of each sliding guide beam lift cylinder 560 are respectively hinged to the connecting seat 520 and the corresponding lower connecting rod 550.

Each rail clamping assembly 600 comprises a sleeve support 610 which is slidably sleeved on the sliding guide beam 500, a support frame 611 which is connected to the top of the sleeve support 610, a steel rail guide frame 620 which is connected to the bottom of the sleeve support 610, a steel rail clamp 640 which can be opened or clamped to clamp a steel rail 800, a clamp body adjusting oil cylinder 650 which is used for driving the steel rail clamp 640 to be opened or clamped, and a clamp body lifting oil cylinder 660, wherein the clamp body lifting oil cylinder 660 is connected with the support frame 611, an opening 621 is formed in the bottom of the steel rail guide frame 620, and the clamp body lifting oil cylinder 660 is used for driving the steel rail clamp 640 to lift so that the top of the steel rail 800 which is clamped by the steel rail clamp 640 is accommodated in or separated from the opening 621 of the steel rail guide frame 620; the middle part of the sliding guide beam 500 is connected with a bidirectional oil cylinder seat 680, the bidirectional oil cylinder seat 680 is connected with a bidirectional adjusting oil cylinder 690 extending along the length direction of the sliding guide beam 500, two oil cylinder rods of the bidirectional adjusting oil cylinder 690 are respectively hinged with the sleeve supports 610 of the two rail clamping assemblies 600 positioned in the middle part of the sliding guide beam 500, the sleeve supports 610 of the two rail clamping assemblies 600 positioned in the middle part of the sliding guide beam 500 are respectively connected with a transverse adjusting oil cylinder 630, and the oil cylinder rods of the two transverse adjusting oil cylinders 630 are respectively hinged with the sleeve supports 610 of the two rail clamping assemblies 600 positioned at two ends of the sliding guide beam 500;

each rail clamping assembly 600 is connected with a rail locking device 700, the rail locking device 700 comprises a locking support 710 connected with a casing support 610, the bottom of the locking support 710 is connected with a locking clamp 720 capable of being opened or clamped and a locking oil cylinder 730 used for driving the locking clamp 720 to be opened or clamped, the head of the locking clamp 720 is respectively connected with a left drawing wedge rail 740 and a right drawing wedge rail 750 which are in a ] shape, the left drawing wedge rail 740 and the right drawing wedge rail 750 are symmetrically arranged, the locking clamp 720 drives the left drawing wedge rail 740 and the right drawing wedge rail 750 to be matched and loosened or clamped with a rail 800 accommodated in a rail guide frame 620 when being opened or clamped, the left drawing wedge rail 740 and the right drawing wedge rail 750 are respectively connected with an L-shaped force transmission sleeve 670, and the locking clamp 720 drives the two force transmission sleeves 670 to clamp the corresponding rail 800 through the left drawing wedge rail 740 and the right drawing wedge rail 750. The rail locking device 700 further comprises a locking arm 760 of which the middle part is hinged to the locking bracket 710 through a pin 761 and a locking arm driving oil cylinder 770 for driving one end of the locking arm 760 to rotate, the other end of the locking arm 760 is hinged to a wedge 780, and the locking arm 760 drives the wedge 780 to be inserted into or pulled out of the position corresponding to the top of the rail 800 and between the left trailing wedge stop 740 and the right trailing wedge stop 750.

The utility model provides a multi-functional tractor can be in the tire walking, the walking of railway wheel rail, conversion between the crawler to can be fast convenient carry out the whole machine railway cross-line transfer operation, need not lay interim switch, also need not open the tractor to the circuit marshalling that has the switch, saved operating time and reduced the operating cost.

The running conversion method of the multifunctional tractor provided by the embodiment of the application comprises the following steps:

as shown in fig. 9 and 10, when the tire is required to move, the tire shape running state is switched to, at this time, the cylinder rods of the tire extension cylinders 270 in the four tire traveling mechanisms 200 are firstly controlled to extend, so that the four tire traveling brackets 210 respectively move and extend in the width direction of the tractor body 100, then the cylinder rods of the steering cylinders 250 in the two tire traveling mechanisms 200 behind the tractor body 100 are controlled to extend to drive the corresponding turning frames 220 to rotate 180 degrees around the vertical axis, so that the tires 230 connected with the turning frames 220 in the two tire traveling mechanisms 200 behind the tractor body 100 are rotated to be positioned on the inner side of the track, the tires 230 connected with the turning frames 220 in the two tire traveling mechanisms 200 in front of the tractor body 100 are kept on the inner side of the track, the cylinder rods of the respective track lifting cylinders 370 are controlled to contract, so that the track lifting struts 360 are driven to rise along the corresponding track lifting sleeves 350, so that the track frames 310 of the track traveling mechanisms 300 drive the two track assemblies 330 Lifting, controlling the wheel track lifting oil cylinders 430 to contract at the same time, driving the two wheel track walking brackets 410 to lift, enabling the tires 230 in the four tire walking mechanisms 200 connected with the tractor body 100 to support the ground, and controlling the tire driving motors 240 to drive the corresponding tires 230 to rotate to drive the tractor body 100 to move, so as to realize the movement of the tires;

as shown in FIG. 11 and FIG. 12, when the crawler movement is required, the track running state is switched to, at this time, the cylinder rods of the two crawler traverse cylinders 340 in the crawler traveling mechanism 300 are first controlled to extend, so that the two crawler traverse frames 320 respectively extend to the two sides of the tractor body 100 along the width direction of the tractor body 100, then the cylinder rods of the crawler lifting cylinders 370 are controlled to extend, the crawler lifting rods 360 are driven to descend along the corresponding crawler lifting sleeves 350, so that the crawler frames 310 of the crawler traveling mechanism 300 drive the two crawler assemblies 330 to descend against the ground, so that the tires 230 in the four tire traveling mechanisms 200 are suspended, then the cylinder rods of the tire extending cylinders 270 in the four tire traveling mechanisms 200 are controlled to contract, so that the four tire traveling frames 210 respectively extend and retract along the width direction of the tractor body 100, and then the cylinder rods of the steering cylinders 250 in the two tire traveling mechanisms 200 behind the tractor body 100 are controlled to extend, so as to drive the corresponding turning frames 220 to wind around the vertical turning frames 220 The axis rotates reversely by 180 degrees and resets, namely, the crawler assembly 330 respectively connected with the two crawler transverse moving brackets 320 can be used for driving the tractor body 100 to move, thereby realizing the movement of the crawler;

as shown in fig. 13 and 14, when the railway needs to move, the state is switched to the railway shape-moving state, at this time, the oil cylinder rods of the wheel-rail lifting oil cylinders 430 are controlled to extend out, so that the two wheel-rail traveling brackets 410 connected to the bottom of the tractor body 100 are lowered until the steel wheels 480 connected to the cross-track transfer frames 420 respectively connected to the two ends of each wheel-rail traveling bracket 410 respectively roll and press against the two rails, the oil cylinder rods of the respective track lifting oil cylinders 370 are controlled to contract, the track lifting support rods 360 are driven to contract and ascend along the corresponding track lifting sleeves 350, so that the track frame 310 of the track traveling mechanism 300 drives the two track assemblies 330 to ascend and stop pressing against the ground, the oil cylinder rods of the two track traversing oil cylinders 340 in the track traveling mechanism 300 are controlled to contract, the two track traversing brackets 320 respectively move and contract along the width direction of the tractor body 100, and then the steel wheel driving motors 490 are used for driving the steel wheels 480 to rotate and move, thereby realizing rail movement.

When railway crossing is further needed after railway movement, firstly two temporary transverse steel rails are laid between the two rails and on one side of the two rails, then oil cylinder rods of two crawler transverse oil cylinders 340 in the crawler traveling mechanism 300 are controlled to extend out, so that two crawler transverse brackets 320 respectively extend out to two sides of the tractor body 100 along the width direction of the tractor body 100, then the oil cylinder rods of each crawler lifting oil cylinder 370 are controlled to extend out, the crawler lifting support rods 360 are driven to descend along corresponding crawler lifting sleeves 350, so that the crawler frame 310 of the crawler traveling mechanism 300 drives two crawler assemblies 330 to descend to press against the ground, steel wheels 480 respectively connected with the two wheel-rail traveling brackets 410 are suspended, at the moment, two locking bolts 450 connected with each cross-line transferring bracket 420 are rotated, the corresponding two locking bolts 450 are separated, and the locking cross-line transferring bracket 420 and the corresponding wheel-rail traveling bracket 410 are stopped, the over-line transfer frame 420 is pushed to rotate by 90 degrees around the rotating pin 440 relative to the corresponding wheel-rail travel frame 410, so that the first rotating locking plate 460 connected with the side of the over-line transfer frame 420 rotates to the position below the corresponding second rotating locking plate 470 connected with the side of the wheel-rail travel frame 410, and the two first locking holes 461 on the first rotating locking plate 460 are aligned with the two corresponding second locking holes 471 on the second rotating locking plate 470, and the two locking bolts 450 are respectively inserted into the first locking holes 461 and the second locking holes 471 on the first rotating locking plate 460 and the second rotating locking plate 470 in sequence and are screwed and locked by the bolts, so that the two corresponding steel wheels 480 of each wheel-rail travel frame 410 rotate from the axial line collinear and parallel to the width direction of the traction vehicle body 100 to the two corresponding steel wheels 480 coplanar and the axial line is respectively parallel to the length direction of the traction vehicle body 100, that the two corresponding steel wheels 480 of each wheel-rail travel frame 410 rotate from the positions above the two original tracks to the positions respectively And (3) controlling the oil cylinder rods of the crawler lifting oil cylinders 370 to contract above the laid temporary transverse moving steel rail, driving the crawler lifting support rods 360 to ascend along the corresponding crawler lifting sleeves 350, driving the crawler frames 310 of the crawler traveling mechanism 300 to drive the two crawler assemblies 330 to ascend and stop the ground, so that the four steel wheels 480 respectively connected with the two wheel-rail traveling supports 410 respectively descend to roll and press the two temporary transverse moving steel rails, and driving the steel wheels 480 to rotate and move through the steel wheel driving motors 490, thereby realizing the railway cross-track movement.

When the automatic rail clamping device for the steel rail provided by the embodiment of the application is used, firstly, the steel rail 800 is pushed to the position below the sliding guide beam 500 by using the pushing vehicle, the lifting assembly is controlled to drive the sliding guide beam 500 to descend to the preset height, and the two lower connecting rods 550 are driven to rotate by controlling the oil cylinder rods of the two sliding guide beam lifting oil cylinders 560 to stretch and retract during the operation of the lifting assembly, so that the movable frame 530 hinged to one end of the two lower connecting rods 550 and the sliding guide beam 500 connected with the movable frame 530 are driven to ascend and descend; after the sliding guide beam 500 moves above the steel rail 800, the oil cylinder rods of the two-way adjusting oil cylinders 690 are controlled to stretch and drive the sleeve supports 610 of the two rail clamping assemblies 600 in the middle of the sliding guide beam 500 to move along the sliding guide beam 500, and further the oil cylinder rods of the transverse adjusting oil cylinders 630 respectively connected with the sleeve supports 610 of the two rail clamping assemblies 600 in the middle of the sliding guide beam 500 are controlled to stretch and retract, the sleeve supports 610 of the two rail clamping assemblies 600 at the two ends of the sliding guide beam 500 connected with the transverse adjusting oil cylinders 630 are controlled to move along the sliding guide beam 500 until the openings 621 of the steel rail guide frames 620 connected with the bottoms of the sleeve supports 610 of the rail clamping assemblies 600 are aligned with the steel rail 800 below, then the clamp body lifting oil cylinders 660 of the rail clamping assemblies 600 are controlled to extend out the oil cylinder rods to drive the expanded steel rail clamps 640 to descend to the steel rail 800, the oil cylinder rods of the clamp body adjusting oil cylinders 650 are controlled to contract to drive the steel rail clamps 640 to clamp the tops of the steel rail 800, and then the clamp body lifting oil cylinder rods 660 of the clamp body lifting oil cylinders 600 of the clamp assemblies 600 contract to drive the steel rail clamps 640 to drive the steel rail clamps 800 to ascend to the steel rail 800 Is received in the opening 621 at the bottom of the rail guide frame 620, and at this time, one end of the rail 800 received in the opening 621 at the bottom of the rail guide frame 620 also rises to a position between the left traction wedge 740 and the right traction wedge 750 in the rail locking device 700 of the rail clamping assembly 600, and the cylinder rod of the locking cylinder 730 is controlled to contract to drive the locking pliers 720 to drive the left traction wedge 740 and the right traction wedge 750 to move to the direction of approaching each other to clamp the rail 800, meanwhile, the locking pliers 720 drive the two force transmission sleeves 670 to clamp the corresponding steel rail 800 through the left dragging inclined wedge stop 740 and the right dragging inclined wedge stop 750 for tight locking, and finally, the oil cylinder rod of the locking arm driving oil cylinder 770 is controlled to extend out to drive the locking arm 760 to rotate around the pin shaft 761, so that the inclined wedge 780 hinged at the other end of the locking arm 760 rotates under the cooperation of operators and is inserted between the top of the steel rail 800 and the left dragging inclined wedge stop 740 and the right dragging inclined wedge stop 750, and the steel rail 800 is tightly fixed so as to be conveyed.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (9)

1. A multifunctional tractor comprises a tractor body and at least four tire traveling mechanisms connected with the tractor body, and is characterized in that the tractor body is also connected with a crawler traveling mechanism and a wheel-rail traveling complete machine cross-line traversing mechanism, the crawler traveling mechanism comprises a crawler frame connected to the bottom of the tractor body in a lifting manner, two crawler traversing supports and crawler assemblies connected with the crawler traversing supports in a one-to-one correspondence manner, the two crawler traversing supports are respectively connected to two sides of the crawler frame in a movable manner along the width direction of the tractor body, and the crawler frame is respectively connected with crawler traversing oil cylinders for driving the two crawler traversing supports to move along the width direction of the tractor body; the wheel-rail walking complete machine cross-line transverse moving mechanism comprises two wheel-rail walking brackets which are connected to the bottom of the tractor body in a lifting manner, cross-line transfer frames are connected to two ends of each wheel-rail walking bracket respectively, each cross-line transfer frame is connected with a rotatable steel wheel, and each cross-line transfer frame is connected with a steel wheel driving motor which is used for driving the corresponding steel wheel to rotate; the two cross-line transfer frames of the wheel-rail walking support are respectively configured to be capable of rotating by 90 degrees around a vertical axis, so that the two axes corresponding to the steel wheels are collinear and parallel to the width direction of the traction vehicle body, and the two axes corresponding to the steel wheels are coplanar and parallel to the length direction of the traction vehicle body respectively.

2. The multi-purpose tractor according to claim 1, wherein the tire running mechanism includes a tire running bracket movably connected to a side portion of the tractor body in a width direction of the tractor body, a slewing frame rotatably connected to the tire running bracket about a vertical axis, a tire rotatably connected to the slewing frame, and a tire driving motor for driving the tire to rotate, and a steering cylinder for driving the slewing frame to rotate about a vertical axis is further connected to the tire running bracket.

3. The multi-purpose tractor according to claim 2, wherein the tractor body is connected with tire extension sleeves in one-to-one correspondence with the tire running supports, one end of each tire running support is slidably inserted into the tire extension sleeve, and the tire extension sleeves are connected with tire extension cylinders for driving the tire running supports to move along the tire extension cylinders.

4. The multi-purpose tractor of claim 1, wherein the tractor body is coupled to a plurality of track lifting bushings and a one-to-one correspondence of track lifting struts slidably received within each of the track lifting bushings, the track lifting bushings being coupled to track lifting cylinders for driving the corresponding track lifting struts along the travel thereof, a bottom portion of each of the track lifting struts being coupled to the track frame.

5. The multi-purpose tractor according to claim 1, wherein a plurality of wheel-rail lift cylinders are connected to the tractor body for driving the wheel-rail traveling brackets to lift.

6. The multi-purpose tractor according to claim 1, wherein one end of each of the wire-crossing transfer frames is hinged to the corresponding end of the wheel-rail traveling bracket through a rotating pin, and at least one locking bolt is further connected to the end of each of the wire-crossing transfer frames where the rotating pin is provided, and the locking bolt is configured to be axially movable to pass through and lock or unlock the wire-crossing transfer frame and the corresponding wheel-rail traveling bracket.

7. The multi-purpose tractor of claim 6, wherein a first rotation-locking plate is connected to a side of each of the wire-crossing transfer frames, and a second rotation-locking plate corresponding to the first rotation-locking plate is connected to a side of the wheel-rail running bracket; when the overline transfer frame rotates around the rotating pin to enable the axis corresponding to the steel wheel to rotate from the width direction parallel to the traction vehicle body to the length direction parallel to the traction vehicle body, the locking bolt is configured to move axially to penetrate through and lock or unlock the first rotating locking plate and the second rotating locking plate.

8. The multi-purpose tractor according to claim 1, wherein an automatic rail clamping device is connected to a tail portion of the tractor body, the automatic rail clamping device for the steel rail comprises a sliding guide beam which extends along the width direction of the traction vehicle body and a lifting assembly which is used for driving the sliding guide beam to lift, the sliding guide beam is also connected with at least two rail clamping components, each rail clamping component comprises a sleeve support which is slidably sleeved on the sliding guide beam, a steel rail guide frame which is connected to the bottom of the sleeve support, a transverse adjusting oil cylinder which is used for driving the sleeve support to move along the sliding guide beam, a steel rail clamp which can be opened or clamped to clamp a steel rail, a clamp body adjusting oil cylinder which is used for driving the steel rail clamp to be opened or clamped and a clamp body lifting oil cylinder, the clamp body lifting oil cylinder is used for driving the steel rail clamp to lift so that the top of a steel rail clamped by the steel rail clamp is accommodated in or separated from the steel rail guide frame.

9. The multi-purpose tractor according to claim 8, wherein the rail clamping assembly is further connected with a rail locking device, the rail locking device comprises a locking bracket connected with the casing support, the bottom of the locking bracket is connected with locking pliers capable of being opened or clamped and a locking cylinder for driving the locking pliers to be opened or clamped, the head of each locking pliers is connected with a left dragging wedge rail and a right dragging wedge rail in a shape of a letter ], the locking pliers are driven to be opened or clamped to drive the left dragging wedge rail and the right dragging wedge rail to be matched and loosened or clamped in the rail guide frame, the rail locking device further comprises a locking arm and a rail driving cylinder, the middle part of the rail locking arm is rotatably connected with the locking bracket, the locking arm is connected with a wedge, and the wedge is driven to be inserted into or separated from the top of the rail and the left dragging wedge rail when the locking arm rotates, Between the right trailing wedge bars.

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