阅读说明：本技术 雪铲及除雪车 (Snow shovel and snow sweeper ) 是由 葛凌志 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种雪铲及除雪车,包括第一安装架,第一安装架的下端铰接有第二安装架,第二安装架的内端与第一安装架铰接,第二安装架的外端连接有铲板。第二安装架的上方布设有举升臂,举升臂的内端与第一安装架的上端铰接,举升臂的外端滑动穿设有自缓冲链条,自缓冲链条的两个连接端分别与第二安装架的外端连接,举升臂用于在外力作用下通过自缓冲链条拉动第二安装架绕与第一安装架铰接的铰点转动,进而将第二安装架和铲板向上举升,自缓冲链条还用于在除雪车转场过程中吸收雪铲因路面颠簸而产生的冲击能量,防止雪铲和除雪车产生疲劳损伤。还包括两端分别与第一安装架和举升臂相连的举升施力件,举升施力件与除雪车的控制系统相连。(The invention discloses a snow shovel and a snow sweeper, which comprise a first mounting frame, wherein the lower end of the first mounting frame is hinged with a second mounting frame, the inner end of the second mounting frame is hinged with the first mounting frame, and the outer end of the second mounting frame is connected with a shovel plate. The lifting arm is laid above the second mounting frame, the inner end of the lifting arm is hinged to the upper end of the first mounting frame, the outer end of the lifting arm slides to penetrate through a self-buffering chain, two connecting ends of the self-buffering chain are respectively connected with the outer end of the second mounting frame, the lifting arm is used for pulling the second mounting frame to rotate around a hinge point hinged with the first mounting frame through the self-buffering chain under the action of external force, the second mounting frame and a shovel plate are lifted upwards, the self-buffering chain is further used for absorbing impact energy generated by a snow shovel due to road jolt in the process of transferring the snow sweeper, and the snow shovel and the snow sweeper are prevented from generating fatigue damage. The snow sweeper further comprises a lifting force application piece, wherein two ends of the lifting force application piece are connected with the first mounting frame and the lifting arm respectively, and the lifting force application piece is connected with a control system of the snow sweeper.)

1. A snow shovel is characterized in that a shovel body is provided with a shovel head,

the snow sweeper comprises a first mounting frame (10) used for being connected with a frame of the snow sweeper, wherein the lower end of the first mounting frame (10) is hinged with a second mounting frame (20) which is horizontally arranged, the inner end of the second mounting frame (20) is hinged with the first mounting frame (10), and the outer end of the second mounting frame (20) is connected with a shovel plate (30) used for shoveling snow;

a lifting arm (40) is arranged above the second mounting frame (20), the inner end of the lifting arm (40) is hinged with the upper end of the first mounting frame (10), a self-buffering chain (50) is slidably arranged at the outer end of the lifting arm (40) in a penetrating way, two connecting ends of the self-buffering chain (50) are respectively detachably connected with the outer end of the second mounting frame (20), the lifting arm (40) is used for pulling the second mounting frame (20) to rotate around a hinge point hinged with the first mounting frame (10) through the self-buffering chain (50) under the action of external force, thereby lifting the second mounting frame (20) and the shovel plate (30) upwards to facilitate the transition of the snow sweeper, the self-buffering chain (50) is also used for absorbing impact energy generated by the snow shovel due to road bumping in the transition process of the snow sweeper and preventing the snow shovel and the snow sweeper from fatigue damage;

the snow shovel further comprises a lifting force application piece (60) of which two ends are respectively connected with the first mounting frame (10) and the lifting arm (40), wherein the lifting force application piece (60) is connected with a control system of the snow sweeper, so that under the action of the control system, the lifting arm (40) extends along the axial direction of the snow sweeper to be lifted upwards around a hinge point hinged with the first mounting frame (10).

2. The snow shovel of claim 1,

the self-buffering chain (50) comprises a connecting chain (51) which is slidably arranged in the outer end of the lifting arm (40) in a penetrating mode, two ends of the connecting chain (51) are respectively connected with a buffering chain set (52), and the buffering chain sets (52) are used for extending when the self-buffering chain (50) is stressed and tensioned so as to absorb impact energy;

the free end of each buffer chain group (52) is connected with a connecting ring group (53), and the connecting ring group (53) is detachably connected with a lug (21) on the upper surface of the outer end of the second mounting frame (20).

3. The snow shovel of claim 2,

each buffer chain group (52) comprises an upper sliding chain (521) and a lower sliding chain (522) which are U-shaped, and a buffer spring (523) for providing compression elastic force to absorb impact energy, wherein the chain tail of the upper sliding chain (521) is bent from the opening end to the closed end thereof to form an upper limiting barb (5210) for limiting the buffer spring (523) upwards, and the chain tail of the lower sliding chain (522) is bent from the opening end to the closed end thereof to form a lower limiting barb (5220) for limiting the buffer spring (523) downwards;

the open end of the upper sliding chain (521) and the open end of the lower sliding chain (522) are oppositely inserted and arranged in a rotating angle mode, axial elastic support is achieved through the buffer spring (523), the closed end of the upper sliding chain (521) penetrates through the connecting ring of the connecting chain (51), and the closed end of the lower sliding chain (522) penetrates through the connecting ring group (53).

4. The snow shovel of claim 1,

the snow shovel also comprises flexible protection components (70) which are respectively arranged at two sides of the shovel plate (30) and are used for preventing the side end of the shovel plate (30) from rigidly colliding with a guardrail or mountain rock on the road surface;

each flexible protection component (70) is detachably connected with the side end of the shovel plate (30) on the corresponding side.

5. The snow shovel of claim 4,

each flexible protection assembly (70) comprises an arc-shaped mounting plate (71), an arc-shaped pressing plate (72), a flexible protection plate (73), a first fixing piece (74) and a second fixing piece (75);

the arc-shaped mounting plate (71) is integrally arc-shaped and matched with the outer surface of the shovel plate (30), the short side of the mounting edge of the arc-shaped mounting plate (71) is fixed with the side end face of the shovel plate (30) on the corresponding side through the first fixing piece (74), and the long side of the mounting edge extends towards the outer side of the shovel plate (30) along the width direction of the shovel plate (30);

the arc-shaped pressing plate (72) is in an arc shape matched with the long edge of the arc-shaped mounting plate (71);

the first side of flexible guard plate (73) passes through arc clamp plate (72) compress tightly in on the long limit of arc mounting panel (71), second mounting (75) pass arc clamp plate (72), flexible guard plate (73) reach arc mounting panel (71) and will flexible guard plate (73) with arc mounting panel (71) are fixed, the second side of flexible guard plate (73) is followed the width direction of shovel board (30) court the outside of shovel board (30) is extended.

6. A snow sweeper is characterized by comprising:

the snow shovel comprises a frame, a transition connecting frame (80) detachably connected to the frame, the snow shovel as claimed in any one of claims 1-5, and a dismounting structure assembly for detachably connecting the snow shovel with the transition connecting frame (80), wherein the dismounting structure assembly comprises a lifting adjusting member (90), a limit adjusting member (110) and a guide locking structure (120);

the lifting adjusting component (90) is used for being erected on the ground and connected with the first mounting frame (10) in the process of connecting the snow shovel with the transition connecting frame (80), and the lifting adjusting component (90) is used for enabling the snow shovel to ascend and descend in the vertical direction;

the limiting adjustment members (110) are used for respectively connecting the second mounting frame and the first mounting frame (10) at two ends in the process of connecting the snow shovel with the transitional connecting frame (80) so as to limit the second mounting frame to swing in a horizontal plane relative to the first connecting frame, and each limiting adjustment member (110) is also used for extending and retracting along the axial direction under the action of external force so as to adjust the posture of the first connecting frame;

the guide locking structure (120) is arranged on the first mounting frame (10) and the transition connecting frame (80) respectively, and is used for guiding the snow shovel in the connection process of the snow shovel and the transition connecting frame (80) and locking and fixing the snow shovel and the transition connecting frame (80).

7. The snow sweeper of claim 6,

the lifting adjusting component (90) comprises an outer circular tube (91) with two communicated ends, and a connecting pipe fitting (92) used for detachably connecting the lifting adjusting component (90) and the first mounting rack (10) is connected to the outer circumferential wall of the upper end of the outer circular tube (91);

the top end of the outer circular tube (91) is provided with an installation tray (93), an adjustment driving piece (94) is arranged in the installation tray (93), the stress end of the adjustment driving piece (94) is connected with a driving handle (95), the driving handle (95) extends out of the installation tray (93), the driving end of the adjustment driving piece (94) is connected with a rotatably arranged driving rod (96), and the adjustment driving piece (94) is used for driving the driving rod (96) to rotate under the action of the driving handle (95);

the actuating lever (96) by the top of outer pipe (91) is inserted in outer pipe (91), just the lower extreme threaded connection of actuating lever (96) has support post (97), the bottom of support post (97) is used for supporting on subaerial.

8. The snow sweeper of claim 7,

the limiting adjustment component (110) comprises an adjustment column (111), a left-handed connecting rod (112), a right-handed connecting rod (113) and a locking nut (114), wherein a left-handed thread is machined on the excircle of the left-handed connecting rod (112), and a right-handed thread is machined on the excircle of the right-handed connecting rod (113);

the upper end of the left-handed connecting rod (112) is detachably connected with the first mounting rack (10), and the lower end of the left-handed connecting rod (112) is in threaded connection with a left-handed threaded hole in the upper end of the adjusting column;

the lower end of the right-handed connecting rod (113) is detachably connected with the second mounting rack (20), and the upper end of the right-handed connecting rod (113) is in threaded connection with a right-handed threaded hole in the lower end of the adjusting column;

and the locking nut (114) is in threaded connection with the outer circle of the right-handed connecting rod (113) and is used for locking and fixing the adjusting column (111).

9. The snow sweeper of claim 7,

the guide locking structure (120) comprises a guide structure for guiding the snow shovel in the process of connecting the snow shovel with the transition connecting frame (80);

guide structure including set up in guide orientation piece (121) on first connecting plate (11) of first mounting bracket (10), and set up in the direction constant head tank on second connecting plate (81) of transition link (80), guide orientation piece (121) with the cooperation of direction constant head tank sets up, with snow shovel descends the in-process guide orientation piece (121) insert in the direction constant head tank with right snow shovel leads and fixes a position.

10. The snow sweeper of claim 7,

two sides of the first mounting frame (10) in the width direction are respectively provided with a first mounting side plate (12), and two sides of the transition connecting frame (80) in the width direction are respectively provided with a second mounting side plate (82) corresponding to the first mounting side plate (12);

direction locking structure (120) still including be used for with snow shovel with the fixed locking structure of transition link frame (80) locking, locking structure is including setting up in each multiunit locking connecting piece (123) on first installation curb plate (12), and correspond set up in each be used for the card to establish on second installation curb plate (82) draw-in groove (124) of locking connecting piece (123), with snow shovel descends the in-process locking connecting piece (123) card is located and is corresponded the setting in draw-in groove (124) in order to with first mounting bracket (10) with transition link frame (80) locking is fixed.

Technical Field

The invention relates to the field of snow removing equipment, in particular to a snow shovel. In addition, the invention also relates to a snow sweeper comprising the snow shovel.

Background

Snow removal in winter is an important civil guarantee project, and mechanized snow removal becomes the main force of snow removal due to high efficiency and strong guarantee capability. The chain-suspended lifting snow shovel has a simple structure and good working condition adaptability, and occupies a major position in removing thick snow, particularly removing snow on roads.

In the existing chain suspension lifting type snow shovel structure, the whole shovel plate is lifted by a chain, so that a shovel blade at the lower end of the shovel plate is separated from the ground by a certain height, and the vehicle can conveniently and quickly transition to work; the mounting frame of the chain-suspended lifting snow shovel is fixedly connected with the vehicle chassis, and the snow shovel needs to be detached from the vehicle chassis by tools such as a traveling crane after snow removal; the shovel plate of the chain-suspended lifting snow shovel is a rigid shovel plate.

In the transition process, the speed is fast, the road surface bumps, and the chain has upward flexibility, so that the shovel body of the snow shovel inevitably generates up-and-down shaking motion in the vehicle movement process, and the impact motion can cause fatigue damage to both the chassis of the snow removing vehicle and the snow shovel;

the mounting frame is fixedly connected with the vehicle chassis, and the snow shovel needs to be detached from the vehicle chassis by using tools such as a travelling crane after snow removal, so that the snow shovel is inconvenient to operate, time-consuming and labor-consuming, and has potential safety hazards;

the snow shovel is a rigid structure, and the width of the snow shovel is larger than the width of a vehicle, so that a driver is difficult to accurately judge the outermost edge of the snow shovel due to limited visual angle during snow removing operation, and the side face of a shovel plate of the snow shovel is easy to impact a roadside guardrail or mountain rocks so as to cause safety accidents.

Disclosure of Invention

The invention provides a snow shovel and a snow sweeper, and aims to solve the technical problem that the snow shovel and a snow sweeper chassis are subjected to fatigue damage due to the fact that the snow shovel generates up-and-down impact action in the transition process of the existing snow sweeper.

The technical scheme adopted by the invention is as follows:

a snow shovel comprises a first mounting frame connected with a frame of a snow sweeper, wherein a second mounting frame horizontally arranged is hinged to the lower end of the first mounting frame, the inner end of the second mounting frame is hinged to the first mounting frame, and the outer end of the second mounting frame is connected with a shovel plate for shoveling snow; a lifting arm is arranged above the second mounting frame, the inner end of the lifting arm is hinged to the upper end of the first mounting frame, a self-buffering chain penetrates through the outer end of the lifting arm in a sliding mode, two connecting ends of the self-buffering chain are detachably connected with the outer end of the second mounting frame respectively, the lifting arm is used for pulling the second mounting frame to rotate around a hinge point hinged to the first mounting frame through the self-buffering chain under the action of external force, the second mounting frame and a shovel plate are lifted upwards to facilitate the transition of the snow remover, the self-buffering chain is further used for absorbing impact energy generated by the snow shovel due to road bumping in the transition process of the snow remover, and the snow shovel and the snow remover are prevented from being fatigue and damaged; the snow shovel further comprises a lifting force application piece, wherein two ends of the lifting force application piece are connected with the first mounting frame and the lifting arm respectively, the lifting force application piece is connected with a control system of the snow sweeper, and the lifting force application piece extends along the axial direction of the snow shovel under the action of the control system so that the lifting arm is lifted upwards around a hinge point hinged with the first mounting frame.

Furthermore, the self-buffering chain comprises a connecting chain which is slidably arranged in the outer end of the lifting arm in a penetrating manner, two ends of the connecting chain are respectively connected with a buffering chain group, and the buffering chain groups are used for extending when the self-buffering chain is tensioned under stress so as to absorb impact energy; the free end of each buffer chain group is connected with a connecting ring group, and the connecting ring group is detachably connected with a lug on the upper surface of the outer end of the second mounting frame.

Furthermore, each buffer chain group comprises an upper sliding chain and a lower sliding chain which are U-shaped, and a buffer spring for providing compression elastic force to absorb impact energy, wherein the chain tail of the upper sliding chain is bent from the opening end of the upper sliding chain to the closed end of the upper sliding chain to form an upper limiting barb for limiting the buffer spring upwards, and the chain tail of the lower sliding chain is bent from the opening end of the lower sliding chain to the closed end of the lower sliding chain to form a lower limiting barb for limiting the buffer spring downwards; the open end of the upper sliding chain and the open end of the lower sliding chain are oppositely spliced and arranged in a rotating angle mode, axial elastic support is carried out through the buffer spring, the closed end of the upper sliding chain penetrates through the connecting ring connected with the chain, and the closed end of the lower sliding chain penetrates through the connecting ring group.

Furthermore, the snow shovel also comprises flexible protection components which are respectively arranged at two sides of the shovel plate and used for preventing the side ends of the shovel plate from rigidly colliding with a guardrail or mountain rocks on the road surface; each flexible protection component is detachably connected with the side end of the shovel plate on the corresponding side.

Furthermore, each flexible protection assembly comprises an arc-shaped mounting plate, an arc-shaped pressing plate, a flexible protection plate, a first fixing piece and a second fixing piece; the arc-shaped mounting plate is integrally in an arc shape matched with the outer surface of the shovel plate, the short edge of the mounting edge of the arc-shaped mounting plate is fixed with the side end face of the shovel plate on the corresponding side through a first fixing piece, and the long edge of the mounting edge extends towards the outer side of the shovel plate along the width direction of the shovel plate; the arc-shaped pressing plate is in an arc shape matched with the long edge of the arc-shaped mounting plate; the first side of flexible guard plate compresses tightly on the long limit of arc mounting panel through arc clamp plate, and the second mounting passes arc clamp plate, flexible guard plate and arc mounting panel and is fixed flexible guard plate and arc mounting panel, and the second side of flexible guard plate extends towards the outside of shovel along the width direction of shovel.

Further, a frame, a transition connecting frame detachably connected to the frame, the snow shovel as claimed in any one of claims 1 to 5, and a dismounting structure assembly for detachably connecting the snow shovel to the transition connecting frame, the dismounting structure assembly comprising a lifting adjusting member, a limit adjusting member and a guide locking structure; the lifting adjusting component is used for being erected on the ground and connected with the first mounting frame in the process of connecting the snow shovel and the transition connecting frame, and the lifting adjusting component is used for enabling the snow shovel to ascend and descend in the vertical direction; the limiting adjusting members are used for respectively connecting the second mounting frame and the first mounting frame at two ends in the process of connecting the snow shovel and the transition connecting frame so as to limit the second mounting frame to swing in a horizontal plane relative to the first connecting frame, and each limiting adjusting member is also used for stretching and contracting along the axial direction under the action of external force so as to adjust the posture of the first connecting frame; the guiding locking structure is arranged on the first mounting frame and the transition connecting frame respectively and used for guiding the snow shovel in the connection process of the snow shovel and the transition connecting frame and locking and fixing the snow shovel and the transition connecting frame.

Furthermore, the lifting adjusting member comprises an outer circular tube with two ends communicated, and a connecting pipe fitting used for detachably connecting the lifting adjusting member with the first mounting frame is connected to the outer circumferential wall of the upper end of the outer circular tube; the top end of the outer circular tube is provided with an installation tray, an adjusting driving piece is arranged in the installation tray, the stress end of the adjusting driving piece is connected with a driving handle, the driving handle extends out of the installation tray 93, the driving end of the adjusting driving piece is connected with a driving rod which is rotatably arranged, and the adjusting driving piece is used for driving the driving rod to rotate under the action of the driving handle; the drive rod is inserted into the outer circular pipe from the top end of the outer circular pipe, the lower end of the drive rod is in threaded connection with a supporting column, and the bottom end of the supporting column is used for supporting on the ground.

Furthermore, the limiting adjusting component comprises an adjusting column, a left-handed connecting rod, a right-handed connecting rod and a locking nut, a left-handed thread is processed on the excircle of the left-handed connecting rod, and a right-handed thread is processed on the excircle of the right-handed connecting rod; the upper end of the left-handed connecting rod is detachably connected with the first mounting frame, and the lower end of the left-handed connecting rod is in threaded connection with a left-handed threaded hole in the upper end of the adjusting column; the lower end of the right-handed connecting rod is detachably connected with the second mounting frame, and the upper end of the right-handed connecting rod is in threaded connection with a right-handed threaded hole in the lower end of the adjusting column; the locking nut is in threaded connection with the outer circle of the right-handed connecting rod and used for locking and fastening the adjusting column.

Furthermore, the guiding and locking structure comprises a guiding structure used for guiding the snow shovel in the process of connecting the snow shovel with the transition connecting frame; the guide structure comprises a guide positioning block arranged on the first connecting plate of the first mounting frame and a guide positioning groove arranged on the second connecting plate of the transition connecting frame, the guide positioning block is matched with the guide positioning groove, and the guide positioning block is inserted into the guide positioning groove to guide and position the snow shovel in the descending process of the snow shovel.

Furthermore, two sides of the first mounting frame in the width direction are respectively provided with a first mounting side plate, and two sides of the transition connecting frame in the width direction are respectively provided with a second mounting side plate corresponding to the first mounting side plate; the guide locking structure further comprises a locking structure used for locking and fixing the snow shovel and the transition connecting frame, the locking structure comprises a plurality of groups of locking connecting pieces arranged on each first installation side plate, and clamping grooves correspondingly arranged on each second installation side plate and used for clamping the locking connecting pieces, and the locking connecting pieces are clamped in the clamping grooves correspondingly arranged in the descending process of the snow shovel so as to lock and fix the first installation frame and the transition connecting frame.

The invention has the following beneficial effects:

the self-buffering chain is arranged in the snow shovel, is not only used for connecting the lifting arm with the second mounting frame, but also can absorb impact energy generated by the snow shovel due to road bumping in the transition process of the snow sweeper, so that the snow shovel and the snow sweeper are prevented from being damaged due to fatigue, the structures of the snow shovel and the snow sweeper are protected, the stress condition of the self-buffering chain can be improved, and the snow shovel is prevented from falling due to failure so as to cause safety accidents;

the snow sweeper provided by the invention provides a dismounting structure combining a lifting adjusting member, a limiting adjusting member and a guiding locking structure, overcomes the problem that a snow shovel which is floated leftwards and rightwards and adapts to a road surface by adopting a single pin shaft in a second mounting frame must be mounted on a transition connecting frame by using other hoisting equipment and cannot be dismounted quickly, can be dismounted and mounted from a frame only manually, and is simple in operation, high in dismounting efficiency, time-saving, labor-saving and high in safety.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall view of the snow shovel of the preferred embodiment of the present invention in connection with a partially disassembled structural assembly;

FIG. 2 is a schematic view of the overall structure of the transition link and a portion of the removable structural assembly attached to the transition link;

FIG. 3 is a schematic front view of the self-buffering chain of FIG. 1;

FIG. 4 is a schematic top view of the structure of FIG. 3;

FIG. 5 is a schematic view of a portion of the lift arm of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the spacing adjustment member of FIG. 1;

FIG. 7 is a front view of the elevation adjustment member of FIG. 1;

fig. 8 is a schematic top view of the structure of fig. 1.

Description of the figures

10. A first mounting bracket; 11. a first connecting plate; 12. a first mounting side plate; 20. a second mounting bracket; 21. a lug; 30. a shovel plate; 40. a lifting arm; 401. entering a groove; 402. a linear clamping groove; 50. a self-buffering chain; 51. connecting a chain; 52. a buffer chain group; 521. an upper slide chain; 5210. upper limiting barbs; 522. a lower slide chain; 5220. lower limiting barbs; 523. a buffer spring; 53. a connecting ring set; 531. a connecting ring; 532. a connecting pin; 533. a cotter pin; 60. lifting the force application member; 70. a flexible shield assembly; 71. an arc-shaped mounting plate; 72. an arc-shaped pressing plate; 73. a flexible guard plate; 74. a first fixing member; 75. a second fixing member; 80. a transition connection frame; 81. a second connecting plate; 82. a second mounting side plate; 90. a lift adjustment member; 91. an outer circular tube; 92. connecting pipe fittings; 93. installing a tray; 94. adjusting the driving member; 95. a drive handle; 96. a drive rod; 97. a support column; 110. a limit adjustment member; 111. adjusting the column; 1110. a through hole; 112. a left-handed connecting rod; 113. a right-handed connecting rod; 114. locking the nut; 120. a guiding locking structure; 121. guiding a positioning block; 123. locking the connecting piece; 124. a clamping groove.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.

Referring to fig. 1, a preferred embodiment of the present invention provides a snow shovel including a first mounting bracket 10 for coupling with a frame of a snow sweeper, a second mounting bracket 20 horizontally arranged hinged to a lower end of the first mounting bracket 10, an inner end of the second mounting bracket 20 hinged to the first mounting bracket 10, and a shovel plate 30 for shoveling snow attached to an outer end of the second mounting bracket 20. The lifting arm 40 is arranged above the second mounting frame 20, the inner end of the lifting arm 40 is hinged to the upper end of the first mounting frame 10, the outer end of the lifting arm 40 penetrates through the self-buffering chain 50 in a sliding mode, two connecting ends of the self-buffering chain 50 are detachably connected with the outer end of the second mounting frame 20 respectively, the lifting arm 40 is used for pulling the second mounting frame 20 to rotate around a hinge point hinged to the first mounting frame 10 through the self-buffering chain 50 under the action of external force, the second mounting frame 20 and the shovel plate 30 are lifted upwards so as to facilitate the turning of the snow sweeper, the self-buffering chain 50 is further used for absorbing impact energy generated by the snow shovel due to bumpy road surfaces in the turning process of the snow sweeper, and fatigue damage of the snow shovel and the snow sweeper is prevented. The snow shovel of the present invention further comprises a lifting force application member 60 having two ends respectively connected to the first mounting frame 10 and the lifting arm 40, wherein the lifting force application member 60 is connected to a control system of the snow sweeper so as to extend in an axial direction thereof under the action of the control system, thereby lifting the lifting arm 40 upward around a hinge point hinged to the first mounting frame 10.

When the snow sweeper is transferred, the control system controls the lifting force application member 60 to extend along the axial direction, as the two ends of the lifting force application member 60 are respectively connected with the first mounting frame 10 and the lifting arm 40, and the inner end of the lifting arm 40 is hinged with the upper end of the first mounting frame 10, when the lifting force application member 60 extends along the axial direction, the inner end of the lifting arm 40 rotates around a first hinge point hinged with the first mounting frame 10 under the action of the lifting force application member 60, the outer end of the lifting arm 40 is lifted upwards by taking the first hinge point as the center, when the outer end of the lifting arm 40 is lifted upwards, the second mounting frame 20 is pulled upwards by the action of the self-buffering chain 50 by taking a second hinge point hinged with the first mounting frame 10 as the center, and the second mounting frame 20 drives the shovel plate 30 to lift upwards to be separated from the ground, so that the snow sweeper is transferred. In the present invention, the inner end of the lift arm 40 refers to the end near the frame, and the outer end of the lift arm refers to the end near the blade 30.

In the snow sweeper transfer process, the speed is high, and the road surface is uneven and easy to bump, and the chain has upward flexibility, so that the shovel plate of the snow shovel inevitably generates up-and-down impact action in the snow sweeper transfer process, and the impact action can cause fatigue damage to the snow sweeper and the snow shovel.

Alternatively, as shown in fig. 1, the lifting force applying member 60 is a lifting cylinder or a lifting cylinder.

Alternatively, as shown in fig. 1, 3 and 4, the self-buffering chain 50 includes a connecting chain 51 slidably disposed in the outer end of the lifting arm 40, and buffer chain sets 52 are connected to both ends of the connecting chain 51, respectively, and the buffer chain sets 52 are used for extending when the self-buffering chain 50 is tensioned by a force to absorb impact energy. The free end of each buffer chain set 52 is connected with a connecting ring set 53, and the connecting ring set 53 is used for being detachably connected with the lug 21 on the upper surface of the outer end of the second mounting frame 20. When the mounting bracket is mounted, the connecting ring set 53 at one end of the self-buffering chain 50 is connected with the lug 21 on the upper surface of the outer end of the second mounting bracket 20, and the other end of the self-buffering chain 50 is connected with the other lug 21 on the upper surface of the outer end of the second mounting bracket 20 after passing through the through hole on the outer end of the lifting arm 40.

Alternatively, in another embodiment, as shown in fig. 5, the number of the self-buffering chains 50 is two, the two self-buffering chains 50 are respectively disposed on two sides of the lifting arm 40, one end of each self-buffering chain 50 is detachable from the outer end of the second mounting bracket 20, and the other end of each self-buffering chain 50 is inserted into the outer end of the lifting arm 40. Specifically, two side walls of the outer end of the lifting arm 40 are respectively provided with an inward-concave entering groove 401 and a linear clamping groove 402 which is communicated with the entering groove 401 and extends along a straight line. From buffering chain 50 including connecting chain 51, in the straight line draw-in groove 402 is gone into back card to connecting chain 51's one end by getting into groove 401, connecting chain 51's the other end is connected with buffering chain group 52, and buffering chain group 52 is used for extending and then absorb impact energy when buffering chain 50 atress is taut certainly, and buffering chain group 52's the other end is connected with connecting ring group 53, and connecting ring group 53 is used for being connected with the lug 21 detachable on the second mounting bracket 20 outer end upper surface.

In this alternative, as shown in fig. 3 and 4, each buffer chain group 52 includes an upper slide chain 521 and a lower slide chain 522 in a "U" shape, and a buffer spring 523 for providing a compressive elastic force to absorb impact energy, the chain tail of the upper slide chain 521 is bent from the open end toward the closed end thereof to form an upper limiting barb 5210 for limiting the buffer spring 523 upward, and the chain tail of the lower slide chain 522 is bent from the open end toward the closed end thereof to form a lower limiting barb 5220 for limiting the buffer spring 523 downward. The open end of the upper sliding chain 521 and the open end of the lower sliding chain 522 are oppositely arranged in an inserting manner at a rotation angle, and are axially and elastically supported by a buffer spring 523, the closed end of the upper sliding chain 521 is arranged on the connecting ring of the connecting chain 51 in a penetrating manner, and the closed end of the lower sliding chain 522 is arranged on the connecting ring group 53 in a penetrating manner. Specifically, the buffer spring 523 is a compression spring; upper and lower chains 521, 522 intersect vertically at a 90 ° angle. When the snow shovel is transferred, under the action of the lifting force application part 60, the outer end of the lifting arm 40 is lifted upwards, under the action of the buffer chain 50, the shovel plate 30 is lifted to a certain height, at the moment, a part of the buffer spring 523 of the buffer chain 50 is compressed to reach balance, when a vehicle passes through a bumpy road surface, because the buffer chain 50 is of a flexible structure, the shovel plate 30 can continuously lift upwards and then fall downwards, in the falling process, after the buffer chain 50 is straightened, the connecting ring group 53 pulls the upper sliding chain 521 to apply tensile force to the buffer spring 523, at the moment, the buffer spring 523 is compressed to absorb the impact in the falling process of the snow shovel, the impact energy is absorbed, the rigid part of the snow shovel and the chassis of the snow sweeper are protected, and after the energy absorption is finished, the buffer spring 523 extends to restore to a balanced state when the snow shovel is not bumpy.

In this alternative, as shown in fig. 3 and 4, the connection ring set 53 includes a connection ring 531 which is annular and has a notch and is inserted through the upper sliding chain 521 or the lower sliding chain 522, a connection pin 532 is connected to the notch of the connection ring 531, and an open pin 533 for locking the connection pin 532 is connected to an exposed end of the connection pin 532.

Optionally, as shown in FIG. 8, the snow shovel further includes flexible guard assemblies 70 on both sides of blade 30, respectively, for preventing the side ends of blade 30 from rigidly colliding with a guardrail or mountain rock on the road surface. Each flexible guard assembly 70 is removably coupled to a side end of a corresponding side of blade 30.

In this alternative, as shown in fig. 8, each flexible guard assembly 70 includes an arc-shaped mounting plate 71, an arc-shaped pressing plate 72, a flexible guard plate 73, a first fixing member 74, and a second fixing member 75. The arc-shaped mounting plate 71 is integrally arc-shaped and matched with the outer surface of the shovel plate 30, the short side of the mounting edge of the arc-shaped mounting plate 71 is fixed to the side end face of the shovel plate 30 corresponding to the short side of the mounting edge of the arc-shaped mounting plate 71 through the first fixing piece 74, the long side of the mounting edge of the arc-shaped mounting plate 71 extends towards the outer side of the shovel plate 30 along the width direction of the shovel plate 30, and the arc-shaped mounting plate 71 is used for. The arc-shaped pressing plate 72 is in an arc shape matching the long side of the arc-shaped mounting plate 71. The first side of flexible guard plate 73 compresses tightly on the long edge of arc mounting panel 71 through arc clamp plate 72, and second mounting 75 passes arc clamp plate 72, flexible guard plate 73 and arc mounting panel 71 and is fixed flexible guard plate 73 and arc mounting panel 71, and the second side of flexible guard plate 73 extends towards the outside of shovel board 30 along the width direction of shovel board 30.

Specifically, the flexible guard plate 73 is a polyurethane flexible plate; the first fixing member 74 is a mounting bolt and nut set; the second fixing member 75 is a compression bolt and nut set. When the side of the shovel plate 30 is a rigid structure, because the width of the shovel plate 30 is larger than the width of a vehicle, when snow removing is performed, a driver is difficult to accurately judge the outermost side edge of the shovel plate 30 due to limited visual angle, so that the side of the shovel plate 30 is easy to collide with roadside guardrails or mountain rocks to cause accidents, in the invention, a group of flexible protection assemblies 70 are respectively additionally arranged at two side ends of the shovel plate 30, in the working process of the snow shovel, the flexible protection plate 73 is positioned at the outermost side of the shovel plate 30, and when encountering objects such as road guardrails or mountain rocks, the polyurethane flexible plate provides buffer to prevent the shovel plate 30 from being damaged due to direct rigid collision, and because the arc shape of the polyurethane flexible plate is consistent with that of the snow shovel plate 30, snow can not be influenced to slide out from two sides of.

Referring to fig. 1, the preferred embodiment of the present invention further provides a snow sweeper, which comprises a frame, a transition connecting frame 80 detachably connected to the frame, a snow shovel as described above, and a mounting and dismounting structure assembly for detachably connecting the snow shovel to the transition connecting frame 80, wherein the mounting and dismounting structure assembly comprises a lifting adjusting member 90, a limit adjusting member 110 and a guide locking structure 120. The lifting adjusting member 90 is used for being supported on the ground and connected with the first mounting frame 10 in the process of connecting the snow shovel with the transition connecting frame 80, and the lifting adjusting member 90 is used for enabling the snow shovel to ascend and descend in the vertical direction. The limiting adjustment members 110 are used for being connected with the second mounting frame 20 and the first mounting frame 10 at two ends respectively in the connection process of the snow shovel and the transition connecting frame 80 so as to limit the second mounting frame to swing in a horizontal plane relative to the first connecting frame, and each limiting adjustment member 110 is also used for extending and retracting along the axial direction under the action of external force so as to adjust the posture of the first connecting frame. The guiding and locking structure 120 is respectively arranged on the first mounting frame 10 and the transition connecting frame 80, and is used for guiding the snow shovel in the connection process of the snow shovel and the transition connecting frame 80 and locking and fixing the snow shovel and the transition connecting frame 80.

When the snow shovel of the snow sweeper is connected with the frame, the lifting adjusting members 90 are connected with the first mounting frame 10, and two ends of each limiting adjusting member 110 are respectively connected with the second mounting frame 20 and the first mounting frame 10, so that the first mounting frame 10 and the second mounting frame 20 form a non-relative moving body; then adjusting the lifting adjusting member 90 to lift the snow shovel to a limited height, and then adjusting the limit adjusting member 110 to adjust the posture of the first mounting frame 10, so that the first mounting frame 10 is conveniently connected with the transition connecting frame 80; then drive the snow sweeper and make the frame go towards the direction that is close to the snow shovel and go until transition link 80 is close to first mounting bracket 10, back drive lift adjustment component 90 makes the snow shovel descend again, and the decline of snow shovel in-process direction locking structure 120 to the snow shovel is led, and descends to setting for the height after the snow shovel, through direction locking structure 120 locking fixed first mounting bracket 10 and transition link 80, pull down lift adjustment component 90 and spacing adjustment component 110 at last. The snow sweeper provided by the invention provides a dismounting structure combining the lifting adjusting member 90, the limiting adjusting member 110 and the guiding locking structure 120, overcomes the problem that a snow shovel which is floated left and right in the second mounting frame 20 and adapts to the road surface by adopting a single pin shaft must be mounted on the transition connecting frame 80 by using other hoisting equipment and cannot be dismounted quickly, can be dismounted and mounted from a frame only by manpower, and is simple in operation, high in dismounting efficiency, time-saving, labor-saving and high in safety.

Alternatively, as shown in fig. 1 and 7, the elevation adjustment member 90 includes an outer circular tube 91 having two ends connected, and a connection tube 92 for detachably connecting the elevation adjustment member 90 to the first mounting frame 10 is connected to an outer circumferential wall of an upper end of the outer circular tube 91. The top of outer pipe 91 has propped up and is equipped with installation tray 93, is equipped with adjustment driving piece 94 in the installation tray 93, and the atress end of adjustment driving piece 94 is connected with drive handle 95, and drive handle 95 extends installation tray 93, and the drive end of adjustment driving piece 94 is connected with the actuating lever 96 that rotates the setting, and adjustment driving piece 94 is used for driving actuating lever 96 rotation under the effect of drive handle 95. The driving rod 96 is inserted into the outer circular tube 91 from the top end of the outer circular tube 91, the lower end of the driving rod 96 is connected with a supporting column 97 in a threaded manner, and the bottom end of the supporting column 97 is used for supporting on the ground. Specifically, as shown in fig. 7, the number of the lifting adjusting members 90 is two, the two lifting adjusting members 90 are respectively disposed on two sides of the first mounting frame 10 in the width direction, and the first mounting frame 10 is respectively provided with mounting holes along two sides of the first mounting frame 10 in the width direction. The connection pipe 92 includes an installation circular pipe vertically fixed to the outer circumferential wall of the outer circular pipe 91 and a latch for locking, and the installation circular pipe is locked and fixed by the latch after being inserted into the installation hole of the corresponding side of the first installation frame 10, so that the lifting adjustment member 90 is detachably connected to the first installation frame 10. The adjustment drive 94 includes a worm connected to a drive handle 95 and a worm gear disposed in cooperation with the worm and secured to a drive rod 96. When the lifting adjusting member 90 is adjusted, the driving handle 95 is shaken, the driving handle 95 drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the driving rod 96 to rotate, and the driving rod 96 rotates and then lifts in the outer circular tube 91 relative to the supporting column 97.

Optionally, as shown in fig. 1 and 6, the limit adjustment member 110 includes an adjustment column 111, a left-handed connecting rod 112, a right-handed connecting rod 113, and a lock nut 114, where a left-handed thread is machined on an outer circumference of the left-handed connecting rod 112, and a right-handed thread is machined on an outer circumference of the right-handed connecting rod 113. The upper end of the left-handed connecting rod 112 is detachably connected with the first mounting rack 10, and the lower end of the left-handed connecting rod 112 is in threaded connection with the left-handed threaded hole at the upper end of the adjusting column. The lower end of the right-handed connecting rod 113 is detachably connected with the second mounting rack 20, and the upper end of the right-handed connecting rod 113 is in threaded connection with a right-handed threaded hole at the lower end of the adjusting column 111. A lock nut 114 is threadedly coupled to an outer circumference of the right-handed connecting rod 113 for locking and fastening the adjusting cylinder 111. Preferably, the adjustment post 111 is externally regular hexagonal to apply rotational adjustment. When adjusting, the holding adjusting column 111 rotates clockwise, the limit adjusting member 110 extends, the counterclockwise rotation shortens the limit adjusting member 110, and the adjusting column 111 is adjusted to the required length and then locked to the fixed length by the locking nut 114. Further, the middle of the adjusting column 111 is provided with a through hole 1110 for inserting the reinforcing bar to adjust the adjusting column 111.

Optionally, as shown in fig. 1 and 2, the guide and lock structure 120 includes a guide structure for guiding the snow shovel during its attachment to the transition frame 80. The guide structure includes the guide positioning piece 121 that sets up on first connecting plate 11 of first mounting bracket 10 to and set up the guide positioning groove on the second connecting plate of transition link frame 80, and guide positioning piece 121 sets up with the guide positioning groove cooperation, in order to guide and fix a position snow shovel in the guide positioning piece 121 inserts the guide positioning groove at snow shovel decline in-process.

Alternatively, as shown in fig. 1 and 2, two sides of the first mounting frame 10 in the width direction are respectively provided with a first mounting side plate 12, and two sides of the transition connecting frame 80 in the width direction are respectively provided with a second mounting side plate 82 corresponding to the first mounting side plate 12. The guiding locking structure 120 further comprises a locking structure for locking and fixing the snow shovel and the transition connecting frame 80, and the locking structure comprises a plurality of groups of locking connecting pieces 123 arranged on each first installation side plate 12 and clamping grooves 124 correspondingly arranged on each second installation side plate 82 and used for clamping the locking connecting pieces 123, so that the locking connecting pieces 123 are clamped in the corresponding clamping grooves 124 in the descending process of the snow shovel to lock and fix the first installation frame 10 and the transition connecting frame 80.

When the snow shovel and the frame of the snow sweeper are installed, the specific operation process is as follows: firstly, a group of lifting adjusting components 90 are respectively arranged on two sides of a first mounting rack 10, and a group of limiting adjusting components 110 are respectively arranged on two sides of a floating pin shaft of a second mounting rack 20, so that the first mounting rack 10 and the second mounting rack 20 form a non-relative motion body; then, the driving handles 95 of the lifting adjusting members 90 at the two sides are shaken to enable the snow shovel to move upwards, and the snow shovel stops moving until the guide positioning blocks 121 on the first mounting frame 10 are higher than the transition connecting frame 80 by more than 20 mm; then adjusting the position limit adjusting member 110 to adjust the posture of the first mounting frame 10 so that the first connecting plate 11 is parallel to the second connecting plate 81 of the transition connecting frame 80; then, the vehicle is driven to move forwards, the second connecting plate 81 of the transition connecting frame 80 is stopped after contacting with the first connecting plate 11, the driving handles 95 of the two groups of lifting adjusting members 90 are rotated reversely to enable the snow shovel to descend gradually until the guide positioning blocks 121 are clamped into the guide positioning grooves of the transition connecting frame 80, the multiple groups of locking connecting pieces 123 are respectively clamped into the correspondingly arranged clamping grooves 124, and meanwhile, the locking connecting pieces 123 are locked to enable the first mounting frame 10 and the transition connecting frame 80 to be locked and fixed; finally, the lifting adjusting member 90 and the limiting adjusting member 110 are disassembled to complete the installation of the snow shovel and the frame, and if the snow shovel needs to be disassembled, the operation is carried out reversely.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.