CN113602341B - Ski - Google Patents

Abstract

The invention relates to the technical field of snow ground transportation equipment, and discloses a sled.A large container and a large passenger cabin can be contained on a carrier, and a traction device pulls a first walking component and a second walking component to slide on the ground through a traction frame and a traction chain component, so that the transportation of large goods is realized, and the problem of difficulty in transporting the large container and the large passenger cabin in the prior art is solved. The first walking assembly and the second walking assembly are detachably connected with the object carrier, the traction chain assembly and the traction frame and the traction chain assembly and the second walking assembly are detachably connected, and if a fault occurs, parts of the sled can be replaced at any time, so that the maintenance is convenient, and the normal operation of an investigation task can be ensured. When the sled turns, the object carrier can rotate relative to the first walking assembly and the second walking assembly, so that the object carrier and the goods to be transported on the object carrier can slowly turn, and the object carrier is prevented from toppling due to the action of inertia force when the sled turns.

Description

Ski

Technical Field

The invention relates to the technical field of snow field transportation equipment, in particular to a sled.

Background

With the development of the polar investigation cause in China, the large sledge becomes an indispensable transport tool in polar transport, and has important tasks of transporting scientific research materials, bearing passenger compartments and the like in the polar inland investigation. The goods and materials mainly adorn in the container, and the container is placed on sled, and sled is pull through snowmobile etc. and is removed, and a plurality of sleds can establish ties with wire rope around, carry out the operation of pulling with same snowmobile.

At present, the common sledge is mainly a standard south-pole sledge, and the existing standard sledge has the problems of single type, large dead weight, difficult maintenance, easy abrasion, high maintenance cost, short service life and the like. Moreover, the standard sled cannot meet the transportation work of large materials, and generally, the standard sled can only carry a 20-foot container, so that the size of the transported materials is limited. Meanwhile, the overall dimension of the south pole movable passenger cabin is limited, so that the living space of field workers is crowded, and the further development of south pole inland investigation is hindered to a certain extent. With the increase of the south Pole inland investigation task, the maintenance frequency of the standard type sled is higher and higher, and the normal operation of the investigation task is seriously influenced.

Disclosure of Invention

Based on the above problems, the invention aims to provide the sled, which is convenient to maintain, can ensure the normal operation of an investigation task, can bear a large-volume container, meets the transportation requirement of large-volume materials, can meet the carrying and transportation requirements of a large-scale movable passenger compartment, and improves the use efficiency of the sled.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sled, comprising:

a carrier configured to carry cargo to be transported;

the first walking assembly and the second walking assembly are arranged below the object carrier at intervals along a walking direction and are detachably connected with the object carrier, the object carrier can rotate relative to the first walking assembly and the second walking assembly, and the first walking assembly and the second walking assembly can slide on the ground;

the traction assembly comprises a traction frame and a traction chain assembly, one end of the traction frame is detachably connected with the first walking assembly, the other end of the traction frame is configured to be connected with traction equipment, one end of the traction chain assembly is detachably connected with the traction frame, and the other end of the traction chain assembly is detachably connected with the second walking assembly.

In a preferred aspect of the sled according to the present invention, the sled further includes a first support beam and a second support beam rotatably connected to the carrier, the first traveling unit includes a first sled foot and a second sled foot, one end of the first support beam is detachably connected to the first sled foot, the other end of the first support beam is detachably connected to the second sled foot, the second traveling unit includes a third sled foot and a fourth sled foot, one end of the second support beam is detachably connected to the third sled foot, and the other end of the second support beam is detachably connected to the fourth sled foot.

As a preferable scheme of the sled of the invention, the traction frame comprises a traction seat and a connecting frame which are detachably connected, the traction seat is connected with the traction equipment, and one end of the connecting frame, which is far away from the traction seat, is detachably connected with the first sled foot and the second sled foot.

As a preferable scheme of the sled of the invention, the connecting frame comprises a first cross beam and a traction shaft arranged on the first cross beam, the traction base is provided with an installation cavity, one end of the traction shaft, far away from the first cross beam, extends into the installation cavity and is connected with the traction base, two opposite sides of the traction shaft are provided with a first rod and a second rod, one ends of the first rod and the second rod, far away from the traction shaft, are both connected with the first cross beam, one end of the first cross beam is detachably connected with the first sled foot, and the other end of the first cross beam is detachably connected with the second sled foot.

As a preferable mode of the ski of the present invention, the second running assembly further includes a second cross member, one end of which is detachably connected to the third ski foot, and the other end of which is detachably connected to the fourth ski foot.

As a preferable aspect of the sled of the present invention, the traction chain assembly includes a first chain, a second chain, and a third chain, one end of the first chain is connected to the traction base, the other end of the first chain is connected to the first cross beam, one end of the second chain is connected to the first cross beam, the other end of the second chain is connected to the first support beam, one end of the third chain is connected to the first support beam, and the other end of the third chain is connected to the second cross beam.

In a preferred aspect of the sled according to the present invention, the first sled foot, the second sled foot, the third sled foot, and the fourth sled foot are each provided with a first connecting ear plate, and both ends of the first cross member and both ends of the second cross member are detachably connected with a shaft head connected with the first connecting ear plate.

As a preferable scheme of the sled, the object carrier comprises a bottom plate and a guardrail arranged along the circumferential direction of the bottom plate, wherein an accommodating space is defined on the bottom plate by the guardrail, and the goods to be transported are positioned in the accommodating space;

the lower side of bottom plate can be dismantled along the walking direction and be provided with first walking beam and second walking beam, first walking beam with first supporting beam rotates to be connected, the second walking beam with a second supporting beam rotates to be connected.

As a preferable scheme of the sled of the present invention, the sled further includes a first pin and a second pin, the first movable beam and the first support beam, and the second movable beam and the second support beam are rotatably connected by the first pin, and both ends of the first movable beam and the bottom plate, and both ends of the second movable beam and the bottom plate are connected by the second pin.

In a preferred aspect of the sled according to the present invention, each of the first sled foot, the second sled foot, the third sled foot, and the fourth sled foot is provided with an installation seat, and both ends of the first support beam and both ends of the second support beam are connected to the corresponding installation seats.

The invention has the beneficial effects that:

compared with the standard sledge in the prior art, the sledge provided by the invention has the advantages that the large container and the large passenger cabin can be contained on the carrier, and the traction equipment pulls the first walking assembly and the second walking assembly to slide on the ground through the traction frame and the traction chain assembly, so that the transportation of large goods is realized, and the problem that the transportation of the large-size container and the large-size passenger cabin is difficult in the prior art is solved. The first running assembly and the second running assembly are detachably connected with the object carrier, and if the first running assembly or the second running assembly breaks down, the first running assembly and the second running assembly can be quickly detached and replaced, so that the inspection task can be maintained conveniently, and the inspection task can be normally carried out. The traction chain assembly and the traction frame and the traction chain assembly and the second walking assembly are detachably connected, and can be replaced at any time if a fault occurs, so that the subsequent maintenance is facilitated, and the service efficiency of the sledge is effectively improved. When the sled needs to turn or turn, the traction equipment pulls the first walking assembly through the traction frame to enable the first walking assembly to turn, and the second walking assembly synchronously turns under the traction action of the traction chain assembly, so that the turning function of the sled is achieved. When the sled turns, the carrier can rotate relative to the first walking assembly and the second walking assembly, so that the carrier and goods to be transported on the carrier can slowly turn, the carrier is prevented from toppling due to the action of inertia force when the sled turns, and the running stability of the sled is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a front view of a ski provided in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a top view of a ski provided in accordance with an embodiment of the present invention;

FIG. 4 is a partial view of FIG. 3;

FIG. 5 is a partial enlarged view at B in FIG. 3;

FIG. 6 is an enlarged view of a portion of FIG. 3 at C;

FIG. 7 is a view from direction H-H of FIG. 3;

FIG. 8 is a turning schematic of a ski provided in accordance with an embodiment of the present invention.

In the figure:

1-a carrier; 2-a first running assembly; 3-a second running assembly; 4-a traction assembly; 5-a first support beam; 6-a second support beam;

11-a base plate; 12-a guardrail; 13-a first walking beam; 14-a second walking beam; 15-a first pin; 16-a second pin;

21-a first ski foot; 22-a second ski foot;

211-a first connecting ear plate; 212-a mount;

31-a third ski foot; 32-fourth ski foot; 33-a second beam; 34-a shaft head;

331-a first flange plate; 341-second flange plate;

41-a traction frame; 42-a drag chain assembly;

411-a fifth wheel; 412-a connecting frame;

421-a first chain; 422-a second chain; 423-third chain; 424-connecting plate;

4111-an extension rod; 4112-a connecting ring;

4121-a first beam; 4122-traction shaft; 4123-a first lever; 4124-a second lever;

51-a second connecting lug plate;

61-rear traction part.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, the present embodiment provides a sled, which can be applied to south pole research work, and comprises a carrier rack 1, a first running gear 2, a second running gear 3 and a traction gear 4.

Referring to figures 1 and 3, the carrier rack 1 is configured to carry goods to be transported, which may be containers or passenger compartments. The first walking assembly 2 and the second walking assembly 3 are arranged below the luggage carrier 1 at intervals along the walking direction and are detachably connected with the luggage carrier 1. The luggage carrier 1 can rotate relative to the first walking assembly 2 and the second walking assembly 3 so as to buffer the inertia force when the sled turns. The first running assembly 2 and the second running assembly 3 are able to slide along the ground under the traction force of the traction means. The traction assembly 4 comprises a traction frame 41 and a traction chain assembly 42, one end of the traction frame 41 is detachably connected with the first walking assembly 2, the other end is configured to be connected with traction equipment, one end of the traction chain assembly 42 is detachably connected with the traction frame 41, and the other end is detachably connected with the second walking assembly 3. The traction equipment transmits traction force to the first walking assembly 2 through the traction frame 41, and meanwhile, the traction frame 41 transmits the traction force to the second walking assembly 3 through the traction chain assembly 42, so that the traction equipment can drive the first walking assembly 2 and the second walking assembly 3 to move synchronously, and the sled can move on the snow.

Compared with the standard sledge in the prior art, the sledge provided by the embodiment can be used for accommodating a large container and a large passenger compartment on the carrier 1, and the traction equipment pulls the first walking assembly 2 and the second walking assembly 3 to slide on the ground through the traction frame 41 and the traction chain assembly 42, so that the transportation of large goods is realized, and the problem that the transportation of the large container and the large passenger compartment is difficult in the prior art is solved. The first walking assembly 2 and the second walking assembly 3 are detachably connected with the object carrier 1, and if the first walking assembly 2 or the second walking assembly 3 breaks down, the first walking assembly and the second walking assembly can be quickly detached and replaced, so that the maintenance is convenient, and the normal operation of an investigation task can be ensured. The traction chain assembly 42 and the traction frame 41 and the traction chain assembly 42 and the second walking assembly 3 are detachably connected, and can be replaced at any time when a fault occurs, so that the subsequent maintenance is facilitated, and the use efficiency of the sledge is effectively improved. When the sled needs to turn or turn, the traction equipment pulls the first walking assembly 2 through the traction frame 41 to enable the first walking assembly 2 to turn, and enables the second walking assembly 3 to synchronously turn under the traction action of the traction chain assembly 42, so that the steering function of the sled is realized. When the sled turns, the luggage carrier 1 can rotate relative to the first walking assembly 2 and the second walking assembly 3, so that the luggage carrier 1 and goods to be transported on the luggage carrier can slowly turn, the luggage carrier 1 is prevented from toppling due to the action of inertia force when the sled turns, and the running stability of the sled is ensured.

As shown in fig. 1 and 3, the ski optionally further comprises a first support beam 5 and a second support beam 6 rotatably connected to the carrier 1, the first running assembly 2 comprises a first ski foot 21 and a second ski foot 22, one end of the first support beam 5 is detachably connected to the first ski foot 21, and the other end is detachably connected to the second ski foot 22. The second running assembly 3 comprises a third ski foot 31 and a fourth ski foot 32, one end of the second support beam 6 is detachably connected to the third ski foot 31, and the other end is detachably connected to the fourth ski foot 32. That is, the first carriage 2 is pivotally connected to the article carrier 1 by a first support beam 5, and the second carriage 3 is pivotally connected to the article carrier 1 by a second support beam 6. If first sled foot 21 or second sled foot 22 break down, the design of dismantling the connection between first supporting beam 5 and first sled foot 21 and second sled foot 22 and between second supporting beam 6 and third sled foot 31 and the fourth sled foot 32 can conveniently be changed and the spare part of sled is maintained to and the normal walking ability of sled resumes in time, avoids influencing the normal clear of investigation work.

Preferably, the front and rear heads of the first ski foot 21, the second ski foot 22, the third ski foot 31 and the fourth ski foot 32 are arc-shaped plates, and the upper parts of the front and rear ski feet are designed to be arc-shaped panels, so that the resistance in the process of snowing can be reduced. Sled foot bottom is flat to establish the polymer polyethylene board at the bottom subsides, paste the billet outward, can increase the wearability and reduce the side direction and slide when reducing sled foot and snowfield frictional force.

Optionally, referring to fig. 1 and 2, each of the first sled foot 21, the second sled foot 22, the third sled foot 31 and the fourth sled foot 32 is provided with a mounting seat 212, the mounting seat 212 is located in the middle of the sled foot, and two ends of the first support beam 5 and two ends of the second support beam 6 are respectively connected with the corresponding mounting seats 212. In this embodiment, the mounting seat 212 includes the U-shaped board and sets up the antifriction plate in the U-shaped board, and the mounting groove is injectd to the U-shaped board, and the both ends of first supporting beam 5 and second supporting beam 6 are fixed in respectively in the mounting groove that corresponds. The both sides of U template still are provided with the strengthening rib to increase the joint strength between U template and the sled foot.

As shown in fig. 3 and 4, optionally, the traction frame 41 includes a traction seat 411 and a connection frame 412 which are detachably connected, the traction seat 411 is connected with the traction apparatus, an extension rod 4111 is arranged at one end of the traction seat 411, which is far away from the connection frame 412, a connection ring 4112 is arranged on the extension rod 4111, and the traction seat 411 is connected with the traction apparatus through the connection ring 4112. The end of the connecting frame 412 remote from the fifth wheel 411 is detachably connected to the first and second ski feet 21, 22. Specifically, the connecting frame 412 includes a first cross beam 4121 and a traction shaft 4122 disposed on the first cross beam 4121, a mounting cavity is disposed on the traction base 411, and an end of the traction shaft 4122 far from the first cross beam 4121 extends into the mounting cavity and is connected to the traction base 411.

In this embodiment, the pulling shaft 4122 is perpendicular to the first cross member 4121 and connected to the middle of the first cross member 4121, and a reinforcing rib is provided at the connection between the pulling shaft 4122 and the first cross member 4121 to increase the connection strength between the pulling shaft 4122 and the first cross member 4121. Exemplarily, the traction seat 411 and the traction shaft 4122 are connected by bolts and nuts, two engaging lugs are arranged on the traction seat 411, through holes are radially arranged on the traction shaft 4122, the two engaging lugs are positioned at two opposite sides of the traction shaft 4122, after the traction shaft 4122 extends into the installation cavity, bolts sequentially pass through the engaging lugs and the through holes, and the nuts are screwed down to connect the traction seat 411 and the traction shaft 4122, so that the detachable connection of the traction seat 411 and the connecting frame 412 is realized.

Further, a first lever 4123 and a second lever 4124 are disposed at opposite sides of the towing shaft 4122, and ends of the first lever 4123 and the second lever 4124, which are away from the towing shaft 4122, are connected to the first cross member 4121. The first lever 4123 forms a triangular structure with the traction shaft 4122 and the first cross member 4121, and the second lever 4124 forms a triangular structure with the traction shaft 4122 and the first cross member 4121, thereby increasing the overall structural strength of the connecting frame 412.

Alternatively, referring to fig. 4, the first beam 4121 has one end detachably connected to the first ski foot 21 and the other end detachably connected to the second ski foot 22. Referring to fig. 3 and 8, the second running assembly 3 further includes a second cross member 33, one end of the second cross member 33 is detachably connected to the third ski foot 31, and the other end is detachably connected to the fourth ski foot 32. Can dismantle the design of connection, when first crossbeam 4121, second crossbeam 33 or one of them sled foot broke down, the staff only need change a certain part alone can, the later maintenance of being convenient for can reduce cost of maintenance, need weld and can't weld the problem on the spot when having solved among the prior art when certain part damages.

Optionally, referring to fig. 1 and 2, the first ski foot 21, the second ski foot 22, the third ski foot 31 and the fourth ski foot 32 are each provided with a first connecting ear plate 211, and the first connecting ear plate 211 is located at one end of the first ski foot 21, the second ski foot 22, the third ski foot 31 and the fourth ski foot 32 close to the traction frame 41, that is, at the tip of the ski foot. Referring to fig. 4 and 5, the two ends of the first beam 4121 and the two ends of the second beam 33 are detachably connected with the shaft heads 34, the first connecting lug plate 211 is provided with mounting holes, and the end portions of the shaft heads 34 penetrate through the mounting holes and are connected with the first connecting lug plate 211 through fasteners such as stop nuts.

Further, both ends of the first beam 4121 and the second beam 33 are provided with a first flange plate 331, one end of the axle head 34, which faces away from the first connecting ear plate 211, is provided with a second flange plate 341, and the first flange plate 331 and the second flange plate 341 are connected through bolts and nuts, so that the detachable connection of the first beam 4121 and the axle head 34 and the detachable connection of the second beam 33 and the axle head 34 are realized. Because the connection of the shaft head 34 and the ski feet is a position which is easy to malfunction, when the shaft head 34 is damaged, only a new shaft head 34 needs to be replaced, and the whole first cross beam 4121 or the whole second cross beam 33 does not need to be replaced, so that the number of spare parts which need to be equipped can be reduced. In this embodiment, the spindle head 34 of the first beam 4121 and the spindle head 34 of the second beam 33 have the same structure, and only the spindle heads 34 of the same specification need to be provided, so that the replacement is more convenient.

As shown in fig. 3 and 8, alternatively, drag chain assembly 42 includes a first chain 421, a second chain 422 and a third chain 423, one end of first chain 421 is connected to drag seat 411, the other end is connected to first beam 4121, one end of second chain 422 is connected to first beam 4121, the other end is connected to first support beam 5, one end of third chain 423 is connected to first support beam 5, and the other end is connected to second beam 33. In this embodiment, the drag chain assembly 42 is provided with two sets, that is, the first chain 421, the second chain 422 and the third chain 423 are respectively provided with two sets, so as to ensure that the first running assembly 2 and the second running assembly 3 can synchronously move under the drag acting force of the drag chain assembly 42.

As for the first chain 421, in particular, referring to fig. 4, the drawing seat 411 is provided with an engaging lug, and an end of the first chain 421 is connected to the engaging lug by a bolt or a pin, etc. Referring to fig. 5, a connecting plate 424 is sandwiched between the shaft head 34 and the first connecting ear plate 211, and one end of the first chain 421 away from the traction seat 411 is fixed to the connecting plate 424 by a fastener. The fastening member may be a bolt and a nut, etc., as long as it can fix the first chain 421 and the connection plate 424 together.

As for the second chain 422, specifically, referring to fig. 5, an end of the second chain 422 near the first beam 4121 is connected to an end of the connecting plate 424 far from the first chain 421 by a fastener. Referring to fig. 6, the second connecting lug plates 51 are disposed on two opposite sides of the first support beam 5, and one end of the second chain 422, which is far away from the first cross beam 4121, is connected to one second connecting lug plate 51 of the first support beam 5 by a bolt or a pin.

As for the third chain 423, specifically, referring to fig. 6, one end of the third chain 423 is connected to the other second connecting lug 51 of the first support beam 5 by a bolt, a pin, or the like. The second cross member 33 has the same structure as the first cross member 4121, and the coupling plates 424 are interposed between the shaft stubs 34 at both ends thereof and the corresponding first coupling lug 211 of the third ski foot 31 and the corresponding first coupling lug 211 of the fourth ski foot 32. The end of the third chain 423 remote from the first support beam 5 is connected to the corresponding connecting plate 424 by means of fasteners. In this embodiment, referring to fig. 8, the two third chains 423 are arranged in a crossed manner, so that the first sled foot 21 pulls the fourth sled foot 32, the second sled foot 22 pulls the third sled foot 31, the four sled feet can be ensured to move synchronously while the sled is steered, and the stability of the sled during steering is improved.

As shown in fig. 1, optionally, the luggage carrier 1 includes a bottom plate 11 and a guardrail 12 disposed along a circumference of the bottom plate 11, wherein the guardrail 12 encloses a receiving space on the bottom plate 11, and the goods to be transported are located in the receiving space. Guardrail 12 can be dismantled with bottom plate 11 and be connected, is convenient for load and treats the transportation goods, and guardrail 12 can prevent to treat that the transportation goods breaks away from sled. In this embodiment, preferably, the size of the bottom plate 11 is 7500mm × 5000mm, 20-foot container base fixing corner fittings are arranged on the bottom plate 11 and used for limiting the container, wood boards are laid on the surface of the bottom plate, 2 containers of 20 feet, large nonstandard parts and other materials can be placed in parallel, and the problem that large-size materials and large passenger compartments are difficult to transport in the prior art is effectively solved.

Optionally, referring to fig. 3, a first movable beam 13 and a second movable beam 14 are detachably disposed below the bottom plate 11 along the traveling direction, the first movable beam 13 is rotatably connected to the first support beam 5, and the second movable beam 14 is rotatably connected to the second support beam 6. When the sledge turns, the first supporting beam 5 rotates relative to the first movable beam 13, and the second supporting beam 6 rotates relative to the second movable beam 14, so that the object carrier 1 rotates relative to the first running assembly 2 and the second running assembly 3, and the condition that the goods to be transported on the object carrier 1 are greatly shaken due to the action of inertia force in the process of turning the sledge is prevented.

Optionally, the sled further comprises a first pin 15 and a second pin 16, and the first movable beam 13 and the first support beam 5, and the second movable beam 14 and the second support beam 6 are rotatably connected through the first pin 15. As shown in fig. 3 and 7, mounting through holes are formed in the middle portions of the first support beam 5 and the second support beam 6, and bearings are arranged in the mounting through holes. Taking the first movable beam 13 and the first support beam 5 as an example, the first pin 15 is fixedly connected to the first movable beam 13 and rotatably connected to the first support beam 5 through a bearing, so as to rotatably connect the first movable beam 13 to the first support beam 5. The pivotal connection of the second movable beam 14 to the second support beam 6 is similar to that described above and will not be described further. Preferably, the bearing is a self-lubricating bearing which is matched with a high-strength shaft sleeve and fixed in the mounting through hole.

Alternatively, referring to fig. 3 and 6, the two ends of the first movable beam 13 and the bottom plate 11, and the two ends of the second movable beam 14 and the bottom plate 11 are connected by the second pin 16. The bottom of bottom plate 11 is provided with the mounting panel, and the both ends of first walking beam 13 and second walking beam 14 all are provided with the pinhole, and second round pin axle 16 runs through mounting panel and pinhole to realize dismantling between first walking beam 13 and second walking beam 14 and the bottom plate 11 and be connected, the later stage of being convenient for is maintained sled. Further, the first movable beam 13 and the second movable beam 14 have the same structure, can be used interchangeably, and are convenient to machine and maintain.

As shown in fig. 3 and 8, a rear pulling part 61 is optionally provided on the second support beam 6, and the rear pulling part 61 is configured to be connected to the next ski. When a plurality of sleds are required to be used, the rear traction part 61 and the connecting ring 4112 of the traction base 411 of the next sled can be connected by using a steel wire rope, so that the plurality of sleds can be ensured to run consistently.

Fig. 8 shows a schematic view of the turning of the ski, when the traction device turns, the traction device drives the traction frame 41, the first ski foot 21 and the second ski foot 22 to turn, the third ski foot 31 and the fourth ski foot 32 move synchronously under the traction force of the third chain 423, and the first support beam 5 and the second support beam 6 also turn along with the first ski foot 21, the second ski foot 22 and the third ski foot 31 and the fourth ski foot 32. Due to the existence of the first pin shaft 15, the first movable beam 13 rotates relative to the first supporting beam 5, and the second movable beam 14 rotates relative to the second supporting beam 6, so that the object carrier 1 and the goods to be transported thereon can slowly turn at a constant speed, the object carrier 1 is prevented from inclining due to the inertia effect, and the integral stability of the sledge operation is further ensured.

The sled provided by the embodiment can normally work at the environment temperature of minus 40 ℃; the bearable maximum working wind pressure is 600N/m ² (ii) a The vehicle can normally run on a road with the gradient less than or equal to 15 degrees; the steering angle range of more than or equal to 20 degrees can realize flexible steering, and the steering device can be well suitable for severe environments in polar regions.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.

Claims (8)

1. A ski, comprising:

a carrier (1), said carrier (1) being configured to carry goods to be transported;

the first walking assembly (2) and the second walking assembly (3), the first walking assembly (2) and the second walking assembly (3) are arranged below the object carrier (1) at intervals along a walking direction and are detachably connected with the object carrier (1), the object carrier (1) can rotate relative to the first walking assembly (2) and the second walking assembly (3), and the first walking assembly (2) and the second walking assembly (3) can slide on the ground;

a traction assembly (4) comprising a traction frame (41) and a traction chain assembly (42), wherein one end of the traction frame (41) is detachably connected with the first walking assembly (2), the other end of the traction frame is configured to be connected with traction equipment, one end of the traction chain assembly (42) is detachably connected with the traction frame (41), and the other end of the traction chain assembly is detachably connected with the second walking assembly (3);

the luggage carrier is characterized by further comprising a first supporting beam (5) and a second supporting beam (6) which are rotatably connected with the luggage carrier (1), the first walking assembly (2) comprises a first sled foot (21) and a second sled foot (22), one end of the first supporting beam (5) is detachably connected with the first sled foot (21), the other end of the first supporting beam is detachably connected with the second sled foot (22), the second walking assembly (3) comprises a third sled foot (31) and a fourth sled foot (32), one end of the second supporting beam (6) is detachably connected with the third sled foot (31), and the other end of the second supporting beam is detachably connected with the fourth sled foot (32);

the second walking assembly (3) further comprises a second cross beam (33), one end of the second cross beam (33) is detachably connected with the third sled foot (31), and the other end of the second cross beam is detachably connected with the fourth sled foot (32);

the drag chain assembly (42) comprises a third chain (423), one end of the third chain (423) is connected with the first supporting beam (5), and the other end is connected with the second cross beam (33);

the traction chain assemblies (42) are provided with two groups, and third chains (423) of the two groups of traction chain assemblies (42) are arranged in a crossed mode.

2. Ski according to claim 1, characterised in that the traction frame (41) comprises a detachably connected traction base (411) and a connection frame (412), the traction base (411) being connected to the traction device, the end of the connection frame (412) remote from the traction base (411) being detachably connected to the first ski foot (21) and the second ski foot (22).

3. The sled of claim 2, wherein the connecting frame (412) comprises a first beam (4121) and a traction shaft (4122) arranged on the first beam (4121), the traction base (411) is provided with a mounting cavity, one end of the traction shaft (4122) far away from the first beam (4121) extends into the mounting cavity and is connected with the traction base (411), two opposite sides of the traction shaft (4122) are provided with a first rod (4123) and a second rod (4124), one ends of the first rod (4123) and the second rod (4124) far away from the traction shaft (4122) are both connected with the first beam (4121), one end of the first beam (4121) is detachably connected with the first sled foot (21), and the other end of the first beam (4121) is detachably connected with the second sled foot (22).

4. A ski as claimed in claim 3, characterised in that the traction chain assembly (42) further comprises a first chain (421) and a second chain (422), the first chain (421) being connected at one end to the traction block (411) and at the other end to the first beam (4121), the second chain (422) being connected at one end to the first beam (4121) and at the other end to the first support beam (5).

5. Sledge according to claim 3, wherein the first sledge foot (21), the second sledge foot (22), the third sledge foot (31) and the fourth sledge foot (32) are each provided with a first connection lug (211), wherein both ends of the first beam (4121) and both ends of the second beam (33) are each detachably connected with a shaft head (34), wherein the shaft heads (34) are connected with the first connection lug (211).

6. Sledge according to claim 1, characterised in that the carrier frame (1) comprises a base plate (11) and a railing (12) arranged circumferentially along the base plate (11), the railing (12) enclosing a receiving space on the base plate (11) in which the goods to be transported are located;

the below of bottom plate (11) can be dismantled along the walking direction and be provided with first walking beam (13) and second walking beam (14), first walking beam (13) with first supporting beam (5) rotate to be connected, second walking beam (14) with second supporting beam (6) rotate to be connected.

7. The sled of claim 6, further comprising a first pin (15) and a second pin (16), wherein the first movable beam (13) and the first support beam (5) and the second movable beam (14) and the second support beam (6) are rotatably connected through the first pin (15), and both ends of the first movable beam (13) and the bottom plate (11) and both ends of the second movable beam (14) and the bottom plate (11) are connected through the second pin (16).

8. Sledge according to any of the claims 2-7, wherein mounting sockets (212) are provided on each of the first sledge foot (21), the second sledge foot (22), the third sledge foot (31) and the fourth sledge foot (32), and wherein both ends of the first support beam (5) and both ends of the second support beam (6) are connected to the respective mounting sockets (212).

Images