Profiling snow scraping shovel

Abstract

The utility model discloses a profiling snow scraping shovel. The profiling snow scraping shovel comprises a bucket body, a shovel blade, a rotary connecting piece and an elastic reset piece. The bucket body comprises a front plate and a back plate; the front plate and the back plate are oppositely arranged, and a flat groove for installing a scraper knife is formed in the landing side of the bucket body. And the scraper knife is rotationally mounted on the back plate through the rotary connecting piece, so that the scraper knife has a rotational degree of freedom in the plane where the flat groove is located. The rotary connecting piece is a set of shaft sleeves, and a first receding hole set matched with the shaft sleeves is formed in the scraper knife. And the elastic resetting piece accumulates elastic restoring force under the rotation of the scraper knife so as to drive the scraper knife to reset after the external force is removed. The snow scraping shovel further comprises a fastener which is used for directly or indirectly connecting and fixing the front plate and the back plate. When the scraper knife makes contact with the uneven ground, the working angle is adjusted in a self-adaptive mode, the snow removing efficiency is improved, and working noise and equipment abrasion are reduced.

Description

Technical Field

[0001] This utility model relates to the field of snow removal equipment technology, and in particular to a contour-following snow scraper. Background Technology

[0002] Snow removal equipment, as a core component of winter road maintenance, directly impacts traffic safety and efficiency. Traditional snowplows typically employ a multi-shovel parallel structure, adjusting the overall scraping angle via a rotating bearing plate and using a compression spring system to passively conform the snowplow crossarm. This structure reveals significant flaws in practical applications: when the road surface exhibits continuous undulations or localized depressions, the rigidly connected snowplow crossarm and integrated spring system force all blades to maintain the same height for snow removal. This not only prevents effective removal of snow from low-lying areas but also causes a sharp increase in localized pressure due to the drastically reduced contact area between the blades and the ground, leading to blade breakage, road surface scratches, or even structural damage to the equipment.

[0003] Existing technology improves the integrated snowplow assembly into separate, independent snowplow assemblies, and incorporates independent return springs to create height differences between the assemblies. While each individual snowplow assembly can independently rise and fall vertically to form a stepped distribution, its blade angle remains rigidly locked to the snowplow crossbar. When there are local depressions or small potholes in the road surface, the blade cannot adjust its angle to conform to the concave terrain, significantly reducing the continuity of snow removal. Furthermore, stress concentration at the blade-ground contact point not only causes significant operating noise but also accelerates blade wear, increasing maintenance costs.

[0004] Therefore, breaking through the rigid angle constraints of the split shovel assembly and endowing individual shovel blades with adaptive angle adjustment capabilities has become a key breakthrough in improving snow removal efficiency in complex terrain. Utility Model Content

[0005] The main technical problem to be solved by this utility model is to provide a contour-following snow scraper that improves snow removal efficiency by enhancing its adaptive adjustment capability to uneven ground.

[0006] To solve the above-mentioned technical problems, this utility model provides a contour-following snow scraper, including a bucket body, a blade, a rotating connecting part, and an elastic reset part;

[0007] The bucket body includes a front plate and a back plate; the front plate and the back plate are disposed opposite to each other, and a flat groove for mounting the blade is formed on the ground side of the bucket body;

[0008] The shovel blade is rotatably mounted on the back plate via the rotating connector, giving the shovel blade rotational freedom within the plane of the flat groove.

[0009] The elastic reset member accumulates elastic restoring force under rotation of the shovel blade, so as to drive the shovel blade to reset after external force is removed.

[0010] In a preferred embodiment, the rotating connecting member comprises a central shaft sleeve; the central shaft sleeve is vertically fixed on a side surface of the back plate facing the front plate; the shovel blade is configured with a central hole in the thickness direction to be sleeved on the central shaft sleeve.

[0011] In a preferred embodiment, the rotating connecting member further comprises a limiting shaft sleeve; the limiting shaft sleeve is vertically fixed on the back plate and disposed on the same side as the central shaft sleeve;

[0012] The shovel blade is configured with a limiting strip hole in the thickness direction at a position corresponding to the limiting shaft sleeve; the limiting shaft sleeve is arranged in the limiting strip hole.

[0013] In a preferred embodiment, a plurality of limiting shaft sleeves are mirror-symmetrically arranged on both sides of the central shaft sleeve; the plurality of limiting shaft sleeves are arranged in a line.

[0014] In a preferred embodiment, the limiting strip hole is an arc-shaped strip hole; a radius of any one of the arc-shaped strip holes is equal to a center distance from the corresponding limiting shaft sleeve to the central shaft sleeve.

[0015] In a preferred embodiment, a width of the limiting strip hole is equal to an outer diameter of the limiting shaft sleeve.

[0016] In a preferred embodiment, the snow shovel further comprises a fastener for directly or indirectly connecting and fixing the front plate and the back plate.

[0017] In a preferred embodiment, the fastener is a threaded fastener; the front plate is configured with a second set of clearance holes at a position corresponding to the rotating connecting member; the back plate is configured with a third set of clearance holes at a position corresponding to the rotating connecting member; the threaded fastener passes through the second set of clearance holes, the rotating connecting member, the third set of clearance holes and is locked by thread cooperation, so as to detachably connect and fix the front plate and the back plate.

[0018] In a preferred embodiment, the bucket body further comprises a limiting top plate; the elastic reset member is arranged between the shovel blade and the limiting top plate.

[0019] In a preferred embodiment, the elastic reset member is in a strip block shape; a concave-convex groove structure is configured between the elastic reset member and the shovel blade to mechanically interlock.

[0020] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0021] The contour-following snow scraper provided by this utility model, through the positioning and guiding function of the bushing assembly, enables the blade to achieve in-plane rotational freedom; the flat groove constructed by the front plate and the back plate, in conjunction with the threaded fastener, achieves out-of-plane limiting of the blade; and the elastic reset member provides buffering and automatic reset functions for the blade's rotation. When in contact with uneven ground, the blade rotates around the central bushing under the ground reaction force, adaptively adjusting the working angle to effectively compensate for terrain changes. In this way, by improving adaptability to uneven road surfaces, not only is snow removal efficiency improved, but also working noise and equipment wear are reduced. Furthermore, the detachable structure of the flat groove improves the ease of maintenance of the blade. Attached Figure Description

[0022] Figure 1 This is an overall schematic diagram of the contoured snow scraper on one side of the front plate in this embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the bucket body of the contour-following snow scraper described in this embodiment of the present utility model;

[0024] Figure 3 This is an exploded view of the contour-following snow scraper described in the embodiments of this utility model;

[0025] Figure 4 This is a schematic diagram of the mechanical cooperation between the shovel and the bushing assembly in an embodiment of this utility model;

[0026] Figure 5 This is a schematic diagram of the contoured snow scraper on one side of the back plate in an embodiment of this utility model.

[0027] The markings in the diagram are as follows: 1-bucket body, 11-front plate, 111-second clearance hole group, 12-back plate, 121-third clearance hole group, 13-limiting top plate, 14-flat groove, 2-blade, 21-first clearance hole group, 211-center round hole, 212-limiting strip hole, 3-sleeve group, 31-center sleeve, 32-limiting sleeve, 4-threaded fastener, 5-rubber part. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0029] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the term "installation", "set with", "sleeve / interface", "connection" and so on, should be understood broadly, for example, "connection", can be wall-mounted connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0031] As shown in Figures 1-5 , the utility model embodiment provides a profiling snow shovel, including bucket body 1, shovel 2, rotating connecting piece, fastener and elastic reset piece.

[0032] The bucket body 1 is rigid arc structure that a plurality of plate pieces are mutually welded.The bucket body 1 includes the limiting top plate 13 fixedly arranged at landing side, back plate 12 and the front plate 1 movably connected.To explain the relative position relationship of the limiting top plate 13, back plate 12 and front plate 1, now introduce the definition of flat groove 14.As shown in Figure 2 , the front plate 1 is oppositely arranged with the back plate 12, and the flat groove 14 is jointly constructed, which provides installation space and out-of-plane limiting effect for the shovel 2.

[0033] In the embodiment, the rotating connecting piece is a group of shaft sleeve groups 3.The shaft sleeve group 3 includes a plurality of shaft sleeves for providing installation positioning and movement guide for the shovel 2.As shown in Figure 3 、 Figure 4 , the plurality of shaft sleeves are fixedly arranged on the surface of the back plate 12 towards the front plate 1.Preferably, the plurality of shaft sleeves are spaced apart along the span direction of the bucket body 1, that is, along the extension direction parallel to the limiting top plate 13.Specifically, the shaft sleeve group 3 includes a center shaft sleeve 31 and a plurality of limiting shaft sleeves 32, the center shaft sleeve 31 is fixed on the longitudinal center axis of the back plate 12, and the plurality of limiting shaft sleeves 32 are mirror image arranged on both sides of the center shaft sleeve 31 and are arranged in line.

[0034] Correspondingly, the shovel 2 is provided with a first set of clearance holes 21 matched with the shaft sleeve set 3, so that the shaft sleeve set 3 is arranged in the first set of clearance holes 21. The first set of clearance holes 21 includes a central circular hole 211 matched with the central shaft sleeve 31, and a limiting strip hole 212 matched with the limiting shaft sleeves 32. The specific performance characteristics of the "match" include: (1) the central circular hole 211 has the same outer diameter as the central shaft sleeve 31; (2) on at least one side of the central shaft sleeve 31: any one limiting shaft sleeve 32 corresponds to a limiting strip hole 212 which is an arc-shaped strip hole, and the radius of the arc-shaped strip hole corresponds to the center distance from the limiting shaft sleeve 32 to the central shaft sleeve 31; the outer diameter of any one limiting shaft sleeve 32 is equal to the width of the corresponding limiting strip hole 212. In this way, the shovel 2 can be sleeved on the shaft sleeve set 3 through the first set of clearance holes 21, and can rotate around the central shaft sleeve 31 in the plane of the flat groove 14, as shown in Figure 4 It is not difficult to understand that the farther the limiting strip hole 212 is from the central circular hole 211, the longer the length of the limiting strip hole 212 is, so as to avoid unnecessary boundary interference to the rotation of the shovel 2.

[0035] As shown in Figure 3 , Figure 4 , the front plate 1 is provided with a second set of clearance holes 111 at a position corresponding to the shaft sleeve set 3; as shown in Figure 5 , the back plate 12 is provided with a matched third set of clearance holes 121 at a position corresponding to the shaft sleeve set 3. When the shovel 2 is sleeved in the shaft sleeve set 3, the front plate 1 is arranged on the side of the shovel 2 away from the back plate 12 by aligning the second set of clearance holes 111 with the shaft sleeve set 3. The fastener is a threaded fastener 4 which passes through the second set of clearance holes 111, the inner hole of the shaft sleeve set 3 and the third set of clearance holes 121, and is locked by thread cooperation, so as to detachably connect and fix the front plate 1 and the back plate 12. Through detachable connection, the user can perform regular maintenance and replacement on the shovel 2. It can be understood that the shaft sleeve set 3 can be integrally made with the back plate 12, and the third set of holes is integrated with the inner hole of the shaft sleeve set 3. In another embodiment, a thread matched with the threaded fastener 4 can also be arranged on the surface of the inner hole of the shaft sleeve set 3. After the threaded fastener 4 passes through the second set of clearance holes 111, the front plate 1 is fixed or released by thread cooperation with the shaft sleeve set 3.

[0036] Necessarily, since the length of the shaft sleeve set 3 determines the distance between the front plate 1 and the back plate 12 in the fastened state (i.e. the thickness of the flat groove 14), in order not to interfere with the rotation of the shovel 2, the length of the shaft sleeve set 3 is not less than the thickness of the shovel 2. Necessarily, as shown in Figure 1As shown, the height of either the front plate 1 or the back plate 12 is less than the height of the blade 2. The "height" refers to the vertical distance from the bottom edge of the aforementioned plate to the limiting top plate 13.

[0037] like Figure 4 As shown, an elastic reset member is provided between the top surface of the shovel blade 2 and the bottom surface of the limiting top plate 13. In this embodiment, the elastic reset member is a set of strip-shaped rubber parts 5. Preferably, the rubber parts 5 and the shovel blade 2 are mechanically interlocked at the contact edge through a groove structure to improve the connection reliability. Further, the rubber parts 5 can also be fixed to the back plate 12 by structural adhesive or threaded fasteners 4. As an equivalent alternative to this embodiment, the elastic reset member can also be a spring assembly. The spring assembly is vertically arranged between the shovel blade 2 and the limiting top plate 13, with one end connected to the bottom surface of the limiting top plate 13 and the other end detachably connected to the top surface of the shovel blade 2. When the shovel blade 2 is deflected by the ground reaction force, the elastic reset member undergoes axial deformation and accumulates elastic potential energy, driving the shovel blade 2 to automatically reset to the initial position after the external force disappears. In another embodiment, the elastic reset element can also be a set of springs, with the inner ring of the spring fixed to the outer circumference of the central bushing 31 and the outer ring connected to the blade 2, which can also provide automatic reset for the blade 2.

[0038] In summary, the snow scraper provided in this embodiment of the present invention, through the positioning and guiding cooperation of the first clearance hole group 21 and the bushing group 3, enables the scraper blade 2 to obtain in-plane rotational freedom; through the flat groove 14 constructed by the front plate 1 and the back plate 12, and in cooperation with the threaded fastener 4, the scraper blade 2 is limited out-of-plane; and through the elastic reset member, the rotation of the scraper blade 2 is buffered and automatically reset. When in contact with uneven ground, the scraper blade 2 rotates around the central bushing 31 under the ground reaction force, adaptively adjusting the working angle, thereby effectively compensating for terrain changes. In this way, by improving the adaptability to uneven road surfaces, not only is snow removal efficiency improved, but also working noise and equipment wear are reduced. In addition, the detachable structure of the flat groove 14 improves the maintenance convenience of the scraper blade 2.

[0039] For those skilled in the art, although the above embodiments can well illustrate the technical solution of this utility model, various changes and improvements can still be made to the structure, parameters and construction methods of each component without departing from the basic idea of ​​this utility model, and all of these should be considered within the protection scope of this utility model.

Claims

1. A profiled snowplough, characterised in that: The shovel body, the shovel blade, the rotating connecting piece and the elastic reset piece are included. The shovel body includes a front plate and a back plate. The shovel blade is rotatably installed on the back plate through the rotating connecting piece, so that the shovel blade has rotational freedom in the plane of the flat groove. The elastic reset piece accumulates elastic recovery force under the rotation of the shovel blade to reset the shovel blade after the external force is removed.

2. A profiled snowplough according to claim 1, characterised in that: The rotating connecting piece includes a central shaft sleeve.

3. A profiled snowplough according to claim 2, characterised in that: The shovel blade is configured with a central circular hole in the thickness direction to be sleeved on the central shaft sleeve. The rotating connecting piece further includes a limiting shaft sleeve.

4. A profiled snowplough according to claim 3, characterised in that: The shovel blade is configured with a limiting strip hole in the thickness direction at the position corresponding to the limiting shaft sleeve.

5. A profiled snowplough according to claim 3, characterised in that: The limiting shaft sleeve is arranged on the two sides of the central shaft sleeve.

6. A profiled snowplough according to claim 3, characterised in that: The limiting strip hole is an arc-shaped strip hole.

7. A profiled snowplough according to any one of claims 1 to 6, characterised in that: The width of the limiting strip hole is equal to the outer diameter of the limiting shaft sleeve.

8. A profiled snowplough according to claim 7, characterised in that: The front plate and the back plate are directly or indirectly connected and fixed by the fastener.

9. A profiled snowplough according to claim 1, characterised in that: The fastener is a threaded fastener.

10. A profiled snowplough according to claim 9, characterised in that: The front plate is configured with a second clearance hole group at the position corresponding to the rotating connecting piece. The back plate is configured with a third clearance hole group at the position corresponding to the rotating connecting piece. The threaded fastener passes through the second clearance hole group, the rotating connecting piece, the third clearance hole group and is locked by thread cooperation to detachably connect and fix the front plate and the back plate. The shovel body further includes a limiting top plate. The elastic reset piece is arranged between the shovel blade and the limiting top plate. The elastic reset piece is a strip block. The elastic reset piece and the shovel blade are configured with a concave-convex groove structure for mechanical interlocking.

Images