CN220619924U - Obstacle avoidance device of snow shovel and snow shovel - Google Patents
Obstacle avoidance device of snow shovel and snow shovel Download PDFInfo
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- CN220619924U CN220619924U CN202321497162.1U CN202321497162U CN220619924U CN 220619924 U CN220619924 U CN 220619924U CN 202321497162 U CN202321497162 U CN 202321497162U CN 220619924 U CN220619924 U CN 220619924U
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- 230000035945 sensitivity Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
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- 230000008602 contraction Effects 0.000 description 1
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Abstract
The utility model provides a snow shovel obstacle avoidance device and a snow shovel, comprising: a turnover plate and a regulating mechanism; the upper end of the overturning plate is connected to the lower part of the snow shovel body and can overturn towards the back side of the snow shovel body around the connecting part; a shovel blade is arranged on the snow shoveling side of the turnover plate; the regulating mechanism comprises a connecting rod mechanism, a stretching elastic piece, a bracket arranged on the back side of the turnover plate and a limiting plate arranged on the lower part of the back side of the snow shovel body and positioned above the bracket; the connecting rod mechanism comprises a transverse connecting rod and a vertical connecting rod; the upper end of the stretching elastic piece is fixed in the middle of the transverse connecting rod; the lower end of the stretching elastic piece is fixed on the limiting plate; the pretightening force generated by stretching the elastic piece pulls the connecting rod mechanism, so that the upper end of the turnover plate turns over and is attached to the bottom end of the snow shovel body by taking the joint of the turnover plate and the snow shovel body as the center. The utility model can solve the problems of low obstacle avoidance sensitivity, poor safety, poor obstacle avoidance effect, influence on snow shoveling efficiency and the like of the snow shovel in the prior art.
Description
Technical Field
The utility model relates to the technical field of snow shoveling equipment, in particular to a snow shovel obstacle avoidance device and a snow shovel.
Background
The snow shovel snow pushing operation is a snow removing mode for rapidly removing snow on a road in winter snow removing operation, has the characteristics of high snow removing efficiency, strong emergency capability and good maintenance, is accepted by vast users, and is one of important equipment for emergency snow removing in winter. Because the road surface has well lid, escape canal, deceleration strip, fault or protruding road surface, road surface barrier such as expansion joint can cause impact resistance for snow shovel and vehicle at the snow pushing in-process, and serious condition can make the snow shovel warp unable to use, and the hydro-cylinder is impacted and destroyed, the circumstances such as vehicle damage personnel injury. Therefore, whether the snow shovel has an obstacle avoidance function is a key technical index for ensuring safe and smooth snow pushing operation.
Aiming at the problem of snow shoveling obstacle, a coping scheme has been designed in the prior art, as in the patent with the application number of 201910316269.3, a snow shoveling obstacle avoidance device is disclosed, a tension spring is directly arranged between a top plate of a snow shovel frame and a shovel blade connecting plate, when the snow shovel frame encounters an obstacle, the shovel blade is lifted backwards by the tension spring, after the obstacle is overcome, the snow shoveling is continued by returning to the original position under the tension of the tension spring, so that the problem that the snow shoveling is influenced by the road obstacle is solved, but the tension spring is directly fixed between the top plate of the snow shovel frame and the shovel blade connecting plate, the overturning angle of the shovel blade cannot be controlled, when the overturning angle is overlarge, the shovel blade cannot be ensured to be instantly restored to a snow shoveling state after the obstacle is avoided, and the sensitivity is low; the acting force of the obstacle is directly pulled by the tension spring, and the tension spring is easy to deform when encountering a large obstacle, so that the obstacle avoidance safety coefficient is low, and the obstacle avoidance effect is poor in practical application.
In summary, in order to overcome the defects of the snow shovel obstacle avoidance device, a snow shovel obstacle avoidance device with high obstacle avoidance sensitivity and good safety is required to be designed.
Disclosure of Invention
In view of the above problems, the present utility model aims to provide a snow shovel obstacle avoidance device and a snow shovel, so as to solve the problems of low obstacle avoidance sensitivity, poor safety, poor obstacle avoidance effect, influence on snow shovel efficiency and the like in the prior art.
The utility model provides a snow shovel obstacle avoidance device, comprising: a turnover plate and a regulating mechanism; the upper end of the overturning plate is connected to the lower part of the snow shovel main body and can overturn towards the back side of the snow shovel main body around the connecting part; a shovel blade is arranged on the snow shoveling side of the turnover plate; the regulating and controlling mechanism comprises a connecting rod mechanism, a stretching elastic piece, a bracket arranged on the back side of the overturning plate and a limiting plate arranged on the lower part of the back side of the snow shovel main body and positioned above the bracket; the connecting rod mechanism comprises a transverse connecting rod and a vertical connecting rod; one end of the transverse connecting rod is arranged at the upper part of the back side of the snow shovel body, and the transverse connecting rod can rotate up and down around the joint of the transverse connecting rod and the snow shovel body; the other end of the transverse connecting rod is hinged with the upper end of the vertical connecting rod; the lower end of the vertical connecting rod is connected to the bracket, and the lower end of the vertical connecting rod can rotate up and down around the joint of the vertical connecting rod and the bracket; the upper end of the stretching elastic piece is fixed in the middle of the transverse connecting rod; the lower end of the stretching elastic piece is fixed on the limiting plate; the pretightening force generated by the stretching elastic piece pulls the connecting rod mechanism, so that the upper end of the overturning plate overturns and attaches to the bottom end of the snow shovel body by taking the joint of the overturning plate and the snow shovel body as the center.
In addition, it is preferable that the upper end of the turnover plate is connected to the lower part of the snow shovel body through a rotation shaft; and/or the transverse connecting rod is connected to the upper part of the back side of the snow shovel main body through a first pin shaft; and/or the transverse connecting rod is hinged with the vertical connecting rod through a second pin shaft; and/or the vertical connecting rod is connected to the bracket through a third pin shaft.
In addition, preferably, a vertical plate is fixedly arranged on the back side of the snow shovel body along the height direction of the snow shovel body; a lateral through hole is formed in the upper part of the vertical plate; the transverse connecting rod comprises a horizontal plate, a first side plate and a second side plate which are respectively arranged at two sides of the horizontal plate; a first connecting hole and a second connecting hole which correspond to each other in position are respectively formed in one end of the first side plate and one end of the second side plate; the first side plate and the second side plate are respectively positioned at two sides of the vertical plate, and the first pin shaft is arranged in the first connecting hole, the lateral through hole and the second connecting hole.
Further, it is preferable that a third connection hole and a fourth connection hole are provided at the other ends of the first side plate and the second side plate, respectively; a first lateral connecting hole is formed in the upper end of the vertical connecting rod; the upper end of the vertical connecting rod is located between the first side plate and the second side plate, and the second pin shaft is arranged in the third connecting hole, the first lateral connecting hole and the fourth connecting hole.
Furthermore, it is preferable that a bracket lateral through hole is provided on the bracket; a second lateral connecting hole is formed in the lower end of the vertical connecting rod; the bracket lateral through hole is connected with the second lateral connecting hole through the third pin shaft.
In addition, the preferable structure is that a pull pin fixing hole is vertically arranged in the middle of the horizontal plate; a pull pin is arranged in the pull pin fixing hole, and threads are arranged on the outer side wall of the pull pin; the pull pin is respectively sleeved with a first fixing nut and a second fixing nut which are matched with the threads; the first fixing nut is arranged above the horizontal plate, and the second fixing nut is arranged below the horizontal plate; a fixed ring is arranged at the bottom end of the pull pin; the upper end of the stretching elastic piece is fixed on the fixing ring.
In addition, the preferable structure is that a stretching elastic piece fixing hole is arranged on the limiting plate; the lower end of the stretching elastic piece is fixed in the stretching elastic piece fixing hole.
In addition, it is preferable that the tensile elastic member is a tension spring.
In addition, the number of the regulating mechanisms is two, and the regulating mechanisms are symmetrically arranged at two ends of the vertical center line of the snow shovel body respectively.
The utility model provides a snow shovel, which comprises a snow shovel main body, wherein a swing frame, a hanging frame arranged at one end of the swing frame and swing oil cylinders arranged at two sides of the swing frame are arranged in the middle of the back side of the snow shovel main body; the snow shovel obstacle avoidance device is arranged on the back side of the snow shovel body.
According to the technical scheme, the snow shovel obstacle avoidance device and the snow shovel provided by the utility model have the structural design that the overturning plate can overturn around the joint to the back side of the snow shovel main body, and when encountering an obstacle, the overturning plate can overturn to the back side to avoid the obstacle and avoid damaging the snow shovel; through the structural design of the connecting rod mechanism, the stretching elastic piece, the support and the limiting plate, when no obstacle is encountered, the connecting rod mechanism can be pulled by adjusting the pretightening force generated by the stretching elastic piece, so that the upper end of the turnover plate is attached to the bottom end of the snow shovel main body by taking the joint of the turnover plate and the snow shovel main body as the center, and normal snow shoveling is not influenced; when the turnover plate is subjected to strong impact and is turned backwards, the support on the turnover plate is contacted with the limiting plate, so that the turnover plate is turned backwards and limited, excessive turnover can be avoided, and the turnover plate is ensured to be quickly restored to the original position under the tensile force of the tensile elastic piece; the stretching elastic piece is prevented from exceeding the stretching stroke, and the stretching elastic piece is prevented from being stretched to cause safety accidents; the turnover plate turns backwards to drive the vertical connecting rod to move upwards, so that the transverse connecting rod moves upwards to drive the stretching elastic piece to stretch, when the elastic piece passes over an obstacle, the stretching elastic piece contracts rapidly, the connecting rod mechanism is driven to move downwards rapidly, and the turnover plate is pushed to turn over and reset, so that the sensitivity is high. Therefore, the snow shovel obstacle avoidance device and the snow shovel provided by the utility model have the advantages of high sensitivity, good safety, good obstacle avoidance effect, convenience in installation and maintenance and the like.
Drawings
Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic diagram of a snow shovel obstacle avoidance device according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a snow shovel obstacle avoidance device according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a snow shovel obstacle avoidance device according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a snow shovel according to an embodiment of the present utility model;
fig. 5 is a schematic side view of a snow shovel according to an embodiment of the present utility model.
In the drawings, a 1-turnover plate, a 11-shovel blade, a 12-bracket, a 121-bracket lateral through hole, a 2-snow shovel body, a 21-vertical plate, a 211-lateral through hole, a 3-stretching elastic piece, a 4-limiting plate, a 51-transverse connecting rod, a 511-horizontal plate, a 512-side plate, a 52-vertical connecting rod, a 521-first lateral connecting hole, a 522-second lateral connecting hole, a 61-rotating shaft, a 62-first pin shaft, a 63-second pin shaft, a 64-third pin shaft, a 7-stretching pin, a 71-first fixing nut, a 72-second fixing nut, a 73-fixing ring, an 8-swinging frame, a 81-hanging frame and a 82-swinging oil cylinder.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
Aiming at the problems that in the prior art, the obstacle avoidance sensitivity of the snow shovel is low, the safety is poor, the obstacle avoidance effect is poor, the snow shoveling efficiency is influenced and the like, the snow shovel obstacle avoidance device and the snow shovel are provided.
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
In order to illustrate the snow shovel obstacle avoidance device and the snow shovel provided by the utility model, fig. 1 shows a structure of the snow shovel obstacle avoidance device according to an embodiment of the utility model; FIG. 2 illustrates an exploded configuration of a snow shovel obstacle avoidance device according to an embodiment of the present utility model; FIG. 3 illustrates a side configuration of a snow shovel obstacle avoidance device according to an embodiment of the present utility model; FIG. 4 illustrates the construction of a snow shovel according to an embodiment of the present utility model; fig. 5 shows a side structure of a snow shovel according to an embodiment of the present utility model.
As shown in fig. 1 to 5, the snow shovel obstacle avoidance device provided by the present utility model includes: a turnover plate 1 and a regulating mechanism; the upper end of the turnover plate 1 is connected to the lower part of the snow shovel body 2 and can turn around the connection part to the back side of the snow shovel body 2; a shovel blade 11 is arranged on the snow shoveling side of the turnover plate 1; the regulating mechanism comprises a connecting rod mechanism, a stretching elastic piece 3, a bracket 12 arranged on the back side of the turnover plate 1 and a limiting plate 4 arranged on the lower part of the back side of the snow shovel body 2 and positioned above the bracket 12; the link mechanism comprises a transverse link 51 and a vertical link 52; one end of the transverse link 51 is arranged at the upper part of the back side of the snow shovel body 2, and the transverse link 51 can rotate up and down around the joint with the snow shovel body 2; the other end of the transverse connecting rod 51 is hinged with the upper end of the vertical connecting rod 52; the lower end of the vertical connecting rod 52 is connected to the bracket 12, and the lower end of the vertical connecting rod 52 can rotate up and down around the connection part with the bracket 12; the upper end of the stretching elastic member 3 is fixed in the middle of the transverse connecting rod 51; the lower end of the stretching elastic piece 3 is fixed on the limiting plate 4; the pretightening force generated by stretching the elastic piece 3 pulls the link mechanism, so that the upper end of the turnover plate 1 is turned and attached to the bottom end of the snow shovel body 2 by taking the joint of the turnover plate and the snow shovel body 2 as the center.
Wherein the blade 11 can be fastened to the roll-over plate 1 by means of bolts.
By adjusting the connection distance between the upper end of the stretching elastic piece 3 and the middle part of the transverse connecting rod 51, the pretightening force of the stretching elastic piece 3 is adjusted, so that when the turnover plate 1 is not impacted by an obstacle, under the pretightening force generated by the stretching elastic piece 3, the stretching elastic piece 3 pulls the transverse connecting rod 51, the transverse connecting rod 51 pulls the vertical connecting rod 52 to press down, the vertical connecting rod 52 acts on the support 12 with the pressing-down acting force, and the upper end of the turnover plate 1 is attached to the bottom end of the snow shovel body 2 by taking the connection part with the snow shovel body 2 as the center, so that the snow shoveling process of the normal production cannot be influenced. 1
Because limiting plate 4 is located support 12 top, and set up in the dorsal part of snow shovel main part 2, so when turnover plate 1 runs into the barrier and overturns to the dorsal part, turnover plate 1 can drive the support 12 of its dorsal part and upwards rotate, when reaching certain angle, support 12 and limiting plate 4 contact, limit turnover plate 1 rotation, thereby after the position of limiting plate 4 is designed according to actual conditions, can inject turnover angle of turnover plate 1, thereby both can accomplish and keep away the barrier and also guarantee to resume the normal position fast under the pulling force of tensile elastic member 3, both can not make tensile elastic member 3 surpass the tensile stroke, protect it can not stretch out, cause the incident, simultaneously can ensure that turnover plate 1 keeps away the sensitivity of recovering. The specific turning angle of the turning plate 1 may be set according to actual needs, such as the size of an obstacle that may be encountered, the stretch formation of the stretch elastic member 3, and the like, and is not particularly limited herein.
Through the structural design that the turnover plate 1 can turn around the joint to the back side of the snow shovel main body 2, when encountering an obstacle, the turnover plate 1 can turn to the back side to avoid the obstacle and avoid damaging the snow shovel; through the structural design of the connecting rod mechanism, the stretching elastic piece 3, the bracket 12 and the limiting plate 4, when no obstacle is encountered, the connecting rod mechanism can be pulled by adjusting the pretightening force generated by the stretching elastic piece 3, so that the upper end of the turnover plate 1 takes the joint of the turnover plate and the snow shovel main body 2 as the center, and is attached to the bottom end of the snow shovel main body 2, and normal snow shoveling is not influenced; when the turnover plate 1 is subjected to strong impact and is turned backwards, the support 12 on the turnover plate 1 is contacted with the limiting plate 4, so that the turnover plate 1 is turned backwards and limited, excessive turnover can be avoided, and the turnover plate can be quickly restored to the original position under the tensile force of the tensile elastic piece 3; the stretching elastic piece 3 is prevented from exceeding the stretching stroke, and the stretching elastic piece 3 is prevented from being stretched to cause safety accidents; the turnover plate 1 turns backwards to drive the vertical connecting rod 52 to upwards, so that the transverse connecting rod 51 moves upwards to drive the stretching elastic piece 3 to stretch, when the barrier is crossed, the stretching elastic piece 3 rapidly contracts to drive the connecting rod mechanism to rapidly move downwards to push the turnover plate 1 to turn over and reset, and the sensitivity is high. Therefore, the snow shovel obstacle avoidance device and the snow shovel provided by the utility model have the advantages of high sensitivity, good safety, good obstacle avoidance effect, convenience in installation and maintenance and the like.
As a preferred embodiment of the present utility model, the upper end of the flipping plate 1 is connected to the lower portion of the snow shovel body 2 through a rotation shaft 61; and/or the cross link 51 is connected to the upper part of the back side of the snow shovel body 2 by a first pin 62; and/or the transverse connecting rod 51 and the vertical connecting rod 52 are hinged through a second pin shaft 63; and/or, the vertical link 52 is coupled to the bracket 12 via a third pin 64.
The turnover plate 1 is conveniently connected to the lower part of the snow shovel body 2 in a rotating way through a rotating shaft 61; the roll-over panel 1 is allowed to roll back around the rotation shaft 61 when being impacted by an obstacle. Of course, the structures of the rotating shaft 61, the first pin 62, the second pin 63, and the third pin 64 may be replaced by similar structures or structures that can perform equivalent functions, and are not limited thereto.
As a preferable aspect of the present utility model, a vertical plate 21 is fixedly provided on the back side of the snow shovel body 2 along the height direction of the snow shovel body 2; a lateral through hole 211 is provided at an upper portion of the standing plate 21; the transverse link 51 includes a horizontal plate 511, a first side plate and a second side plate respectively disposed at both sides of the horizontal plate 511; a first connecting hole and a second connecting hole which correspond to each other in position are respectively formed in one end of the first side plate and one end of the second side plate; the first side plate and the second side plate are respectively located at two sides of the vertical plate 21, and the first pin 62 is disposed in the first connection hole, the lateral through hole 211 and the second connection hole.
The transverse link 51 may include a horizontal plate 511 and a side plate 512 (as shown in fig. 2) disposed on one side of the horizontal plate 511, wherein a connecting hole corresponding to the position of the lateral through hole 211 is disposed on one end of the side plate 512, and the lateral through hole 211 is fixedly connected with the connecting hole through the first pin 62.
The above-described real-time examples of the two types of cross links 51 can realize that the cross links 51 are connected to the snow shovel body 2 through the first pin 62 and can move up and down around the first pin 62.
As a preferable mode of the utility model, a third connecting hole and a fourth connecting hole are respectively arranged at the other ends of the first side plate and the second side plate; a first lateral connection hole 521 is provided at the upper end of the vertical link 52; the upper end of the vertical link 52 is located between the first side plate and the second side plate, and the second pin 63 is disposed inside the third connecting hole, the first lateral connecting hole 521, and the fourth connecting hole.
In the second case, the lateral link 51 has a vertical link connection hole formed at the other end of the side plate 512, and the first lateral connection hole 521 is connected to the vertical link connection hole by the second pin 63.
As a preferred embodiment of the present utility model, a bracket lateral through hole 121 is provided in the bracket 12; a second lateral connecting hole 522 is provided at the lower end of the vertical link 52; the bracket lateral through hole 121 is connected with the second lateral connecting hole 522 through the third pin shaft 64.
As a preferable aspect of the present utility model, a pull pin fixing hole is vertically provided at the middle of the horizontal plate 511; a pull pin 7 is arranged in the pull pin fixing hole, and threads are arranged on the outer side wall of the pull pin 7; the pull pin is respectively sleeved with a first fixing nut 71 and a second fixing nut 72 which are matched with the threads; the first fixing nut 71 is disposed above the horizontal plate 511, and the second fixing nut 72 is disposed below the horizontal plate 511; a fixed ring 73 is arranged at the bottom end of the pull pin 7; the upper end of the tensile elastic member 3 is fixed to the fixing ring 73.
Through the above structural design, the distance between the fixing ring 73 and the stretching elastic piece 3 can be adjusted by adjusting the first fixing nut 71 and the second fixing nut 72, so that the pulling Shen Chengdu of the stretching elastic piece 3 can be adjusted according to actual conditions, the stretching elastic piece 3 generates corresponding pretightening force, and the connecting rod mechanism is pulled to be pressed down, so that the overturning plate 1 is attached to the lower end of the snow shovel body 2 when no obstacle is encountered.
As a preferable scheme of the utility model, the limiting plate 4 is provided with a fixing hole of the stretching elastic piece 3; the lower end of the stretching elastic member 3 is fixed in the stretching elastic member fixing hole. The lower end of the convenient stretching elastic piece 3 is fixed on the limiting plate 4.
As a preferred embodiment of the present utility model, the tension elastic member 3 is a tension spring. Other tensile elastic members may be substituted as long as they serve equivalent functions, such as torsion springs, and the like.
As a preferable scheme of the utility model, the number of the regulating mechanisms is two, and the regulating mechanisms are respectively and symmetrically arranged at two ends of the vertical center line of the snow shovel body 2.
As shown in fig. 1 and 2, two rotating shafts 61 are respectively arranged at two sides of a vertical center line of a snow shovel main body 2, two ends of a turnover plate 1 are symmetrically arranged at the bottom of the snow shovel main body 2, and a stretching elastic piece 3, a bracket 12, a limiting plate 4 and a connecting rod mechanism are respectively arranged on the rotating shafts 61 at each side, namely two sets of regulating and controlling mechanisms are arranged, so that the turnover control on two sides of the turnover plate 1 is more symmetrical, and the effect is better.
The utility model provides a snow shovel, which comprises a snow shovel main body 2, wherein a swing frame 8, a hanging frame 81 arranged at one end of the swing frame 8 and swing oil cylinders 82 arranged at two sides of the swing frame are arranged in the middle of the back side of the snow shovel main body 2; the snow shovel obstacle avoidance device described above is provided on the back side of the snow shovel body 2. The hanger 81 is used for connecting the snow shovel with the vehicle; the swinging frame 8 is a connecting part of the hanging frame 81 and the snow shovel main body 2, and also is a connecting part of the swinging oil cylinder 82 and the snow shovel main body 2, and the swinging angle of the snow shovel main body 2 can be controlled by the expansion and contraction of the swinging oil cylinders 82 at the left side and the right side, namely, the included angle is formed between the snow shovel main body 2 and a vehicle, and when snow is pushed forwards, the snow can be thrown out to the left side or the right side of the vehicle, so that snow on the road surface is pushed to the two sides of the road surface.
According to the snow shovel obstacle avoidance device and the snow shovel, the structural design that the overturning plate can overturn towards the back side of the snow shovel main body around the joint is adopted, and when encountering an obstacle, the overturning plate can overturn towards the back side to avoid the obstacle and avoid damaging the snow shovel; through the structural design of the connecting rod mechanism, the stretching elastic piece, the support and the limiting plate, when no obstacle is encountered, the connecting rod mechanism can be pulled by adjusting the pretightening force generated by the stretching elastic piece, so that the upper end of the turnover plate is attached to the bottom end of the snow shovel body by taking the joint of the turnover plate and the snow shovel body as the center, and normal snow shoveling cannot be influenced; when the turnover plate is subjected to strong impact and is turned backwards, the support on the turnover plate is contacted with the limiting plate, so that the turnover plate is turned backwards and limited, excessive turnover can be avoided, and the turnover plate is ensured to be quickly restored to the original position under the tensile force of the tensile elastic piece; the stretching elastic piece is prevented from exceeding the stretching stroke, and the stretching elastic piece is prevented from being stretched to cause safety accidents; the turnover plate turns backwards to drive the vertical connecting rod to move upwards, so that the transverse connecting rod moves upwards to drive the stretching elastic piece to stretch, when the elastic piece passes over an obstacle, the stretching elastic piece contracts rapidly, the connecting rod mechanism is driven to move downwards rapidly, and the turnover plate is pushed to turn over and reset, so that the sensitivity is high. Therefore, the snow shovel obstacle avoidance device and the snow shovel provided by the utility model have the advantages of high sensitivity, good safety, good obstacle avoidance effect, convenience in installation and maintenance and the like.
The snow shovel obstacle avoidance device and snow shovel according to the present utility model are described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the snow shovel obstacle avoidance device and snow shovel set forth above without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.
Claims (10)
1. A snow shovel obstacle avoidance device, comprising: a turnover plate and a regulating mechanism; wherein,
the upper end of the turnover plate is connected to the lower part of the snow shovel main body and can turn around the connection part to the back side of the snow shovel main body; a shovel blade is arranged on the snow shoveling side of the turnover plate;
the regulating and controlling mechanism comprises a connecting rod mechanism, a stretching elastic piece, a bracket arranged on the back side of the overturning plate and a limiting plate arranged on the lower part of the back side of the snow shovel main body and positioned above the bracket;
the connecting rod mechanism comprises a transverse connecting rod and a vertical connecting rod; one end of the transverse connecting rod is arranged at the upper part of the back side of the snow shovel body, and the transverse connecting rod can rotate up and down around the joint of the transverse connecting rod and the snow shovel body; the other end of the transverse connecting rod is hinged with the upper end of the vertical connecting rod; the lower end of the vertical connecting rod is connected to the bracket, and the lower end of the vertical connecting rod can rotate up and down around the joint of the vertical connecting rod and the bracket;
the upper end of the stretching elastic piece is fixed in the middle of the transverse connecting rod; the lower end of the stretching elastic piece is fixed on the limiting plate; the pretightening force generated by the stretching elastic piece pulls the connecting rod mechanism, so that the upper end of the overturning plate overturns and attaches to the bottom end of the snow shovel body by taking the joint of the overturning plate and the snow shovel body as the center.
2. The snow shovel obstacle avoidance device of claim 1 wherein,
the upper end of the turnover plate is connected to the lower part of the snow shovel main body through a rotating shaft; and/or the number of the groups of groups,
the transverse connecting rod is connected to the upper part of the back side of the snow shovel main body through a first pin shaft; and/or the number of the groups of groups,
the transverse connecting rod is hinged with the vertical connecting rod through a second pin shaft; and/or the number of the groups of groups,
the vertical connecting rod is connected to the bracket through a third pin shaft.
3. The snow shovel obstacle avoidance device of claim 2 wherein,
a vertical plate is fixedly arranged on the back side of the snow shovel body along the height direction of the snow shovel body; a lateral through hole is formed in the upper part of the vertical plate;
the transverse connecting rod comprises a horizontal plate, a first side plate and a second side plate which are respectively arranged at two sides of the horizontal plate; a first connecting hole and a second connecting hole which correspond to each other in position are respectively formed in one end of the first side plate and one end of the second side plate; the first side plate and the second side plate are respectively positioned at two sides of the vertical plate, and the first pin shaft is arranged in the first connecting hole, the lateral through hole and the second connecting hole.
4. The snow shovel obstacle avoidance device of claim 3 wherein,
a third connecting hole and a fourth connecting hole are respectively formed at the other ends of the first side plate and the second side plate; a first lateral connecting hole is formed in the upper end of the vertical connecting rod;
the upper end of the vertical connecting rod is located between the first side plate and the second side plate, and the second pin shaft is arranged in the third connecting hole, the first lateral connecting hole and the fourth connecting hole.
5. The snow shovel obstacle avoidance device of claim 3 wherein,
a bracket lateral through hole is formed in the bracket;
a second lateral connecting hole is formed in the lower end of the vertical connecting rod;
the bracket lateral through hole is connected with the second lateral connecting hole through the third pin shaft.
6. The snow shovel obstacle avoidance device of claim 3 wherein,
a pull pin fixing hole is vertically formed in the middle of the horizontal plate; a pull pin is arranged in the pull pin fixing hole, and threads are arranged on the outer side wall of the pull pin; the pull pin is respectively sleeved with a first fixing nut and a second fixing nut which are matched with the threads; the first fixing nut is arranged above the horizontal plate, and the second fixing nut is arranged below the horizontal plate;
a fixed ring is arranged at the bottom end of the pull pin;
the upper end of the stretching elastic piece is fixed on the fixing ring.
7. The snow shovel obstacle avoidance device of claim 1 wherein,
the limiting plate is provided with a stretching elastic piece fixing hole;
the lower end of the stretching elastic piece is fixed in the stretching elastic piece fixing hole.
8. The snow shovel obstacle avoidance device of claim 1 wherein,
the stretching elastic piece is a tension spring.
9. The snow shovel obstacle avoidance device of claim 1 wherein,
the number of the regulating mechanisms is two, and the regulating mechanisms are symmetrically arranged at two ends of the vertical center line of the snow shovel body respectively.
10. A snow shovel comprises a snow shovel body, wherein a swing frame, a hanging frame arranged at one end of the swing frame and swing oil cylinders arranged at two sides of the swing frame are arranged in the middle of the back side of the snow shovel body; a snow shovel obstacle avoidance device as claimed in any one of claims 1 to 9 provided on the back side of the snow shovel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497162.1U CN220619924U (en) | 2023-06-13 | 2023-06-13 | Obstacle avoidance device of snow shovel and snow shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497162.1U CN220619924U (en) | 2023-06-13 | 2023-06-13 | Obstacle avoidance device of snow shovel and snow shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220619924U true CN220619924U (en) | 2024-03-19 |
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ID=90212569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321497162.1U Active CN220619924U (en) | 2023-06-13 | 2023-06-13 | Obstacle avoidance device of snow shovel and snow shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220619924U (en) |
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2023
- 2023-06-13 CN CN202321497162.1U patent/CN220619924U/en active Active
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