CN215552331U - Walking supporting device for heavy snow removing shovel - Google Patents
Walking supporting device for heavy snow removing shovel Download PDFInfo
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- CN215552331U CN215552331U CN202122160566.9U CN202122160566U CN215552331U CN 215552331 U CN215552331 U CN 215552331U CN 202122160566 U CN202122160566 U CN 202122160566U CN 215552331 U CN215552331 U CN 215552331U
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Abstract
The utility model discloses a walking support device for a heavy snow removing shovel, which is used for adjusting the height of the heavy snow removing shovel. Comprises an outer lifting cylinder with an upper closed end and a connecting plate arranged on the side surface and an inner lifting cylinder which can move relatively and is arranged in the outer lifting cylinder; the lifting screw rod component is arranged in the center of the outer lifting cylinder and used for driving the inner lifting cylinder and the outer lifting cylinder to move relatively, and the upper end of the lifting screw rod component can move relatively and penetrates through the upper closed end of the outer lifting cylinder; the handle component is arranged outside the closed end of the outer lifting sleeve, is fixed with the upper end of the lifting screw rod component and can be used for rotating the lifting screw rod component; the tire supporting component is arranged at the bottom of the inner lifting cylinder and connected with the inner lifting cylinder in an up-down floating manner, a damping compression spring component is arranged between the inner lifting cylinder and the tire supporting component, and a rotatable bearing wheel is arranged below the tire supporting component. The height of the supporting and traveling device can be adjusted, and the requirement of shock absorption during obstacle avoidance action of the heavy snow removing shovel is met.
Description
Technical Field
The utility model relates to the technical field of road snow removing equipment, in particular to a walking supporting device for a heavy snow removing shovel.
Background
Along with the rapid development of economy, the demand of China on winter road snow removal equipment is increasingly greater, especially in northern China, Xinjiang, Tibet and other areas, the application of mechanized snow removal equipment such as a heavy snow removal shovel is increasingly wide, and meanwhile, the requirements on the safety, reliability and efficiency of the snow removal equipment are also increasingly high.
When most traditional heavy snow shovels work, snow shovel lower limb direct contact ground because snow shovel does not have the auxiliary stay, meets the road surface in the walking and when having the convex-concave condition, the shovel sword sinks easily and causes the whole card of snow shovel to die, causes snow shovel serious harm easily in the operation of removing snow at a high speed in winter, appears the danger that the vehicle topples even.
In order to prevent accidents, wear-resistant sliding shoes are additionally arranged on part of the snow removing shovel, and wear-resistant steel parts of the wear-resistant sliding shoes are in contact with the ground to play a role in supporting a heavy snow removing plate. However, the snow removing shovel usually reaches a high speed of 40-50km/h during operation, the friction force between the wear-resistant sliding shoes and the ground is too large, road damage is easily caused, and the oil consumption of vehicles is high. The wear-resistant sliding boots only play a supporting role, and cannot meet the obstacle avoidance requirement during the operation of the snow shovel. The snow removing shovel is not provided with a damping system, and the structure of parts which vibrate too much when encountering obstacles is easy to damage. The height of the wear-resistant sliding boots is adjusted by the cushion pieces, and the adjustment and the disassembly are inconvenient, so that the operation efficiency is reduced, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a traveling support device for a heavy snow removing shovel, which can adjust the height and can enable the snow removing shovel to float along with the convex-concave condition of a road surface.
The technical scheme adopted by the utility model is as follows: a walking support device for a heavy snow removing shovel, comprising:
an outer lifting cylinder with an upper closed end and a connecting plate arranged on the side surface and an inner lifting cylinder which can move relatively and is arranged in the outer lifting cylinder;
the lifting screw rod component is arranged in the center of the outer lifting cylinder and used for driving the inner lifting cylinder and the outer lifting cylinder to move relatively, and the upper end of the lifting screw rod component can move relatively and penetrates through the upper closed end of the outer lifting cylinder;
the handle component is arranged outside the closed end of the outer lifting sleeve, is fixed with the upper end of the lifting screw rod component and can be used for rotating the lifting screw rod component;
the tire supporting component is arranged at the bottom of the inner lifting cylinder and connected with the inner lifting cylinder in an up-down floating manner, a damping compression spring component is arranged between the inner lifting cylinder and the tire supporting component, and a rotatable bearing wheel is arranged below the tire supporting component.
One preferred embodiment of the walking support device for the heavy snow removing shovel comprises a pre-tightening device which is arranged at the lower part of the outer lifting sleeve and used for pre-tightening the inner lifting sleeve.
Furthermore, the pre-tightening device comprises a pre-tightening copper sleeve and a butterfly spring which enter between the inner lifting cylinder and the outer lifting cylinder through a through hole at the upper end of the side wall of the outer lifting cylinder, and a gland used for pressing the butterfly spring to pre-tighten the inner lifting cylinder.
In a preferred embodiment of the walking support device for the heavy snow removing shovel, the walking support device further comprises a handle fixing seat which is arranged between the handle assembly and the upper closed end of the outer lifting cylinder and used for fixing the handle assembly.
Furthermore, the lifting screw component comprises a screw rod, a screw rod nut and a fixing head, wherein the upper end of the screw rod can move relatively, the screw rod penetrates through the handle fixing seat, the screw rod nut is fixed in an inner hole of the inner lifting cylinder and forms a moving pair with the screw rod, and the fixing head is fixed at the lower end of the screw rod.
In a preferred embodiment of the walking support device for the heavy snow removing shovel, the tire support assembly comprises a tire support and a damping guide shaft arranged on the tire support, and the inner lifting cylinder is in floating contact with the damping guide shaft.
Furthermore, the inner side of the bottom of the inner lifting cylinder is provided with a wear-resistant copper sleeve, the wear-resistant copper sleeve is in floating contact with the damping guide shaft, and the damping guide shaft and the inner lifting cylinder are fixed through a fixing bolt.
Still further, the bearing wheel is fixed between two lugs of the tire support.
Still further, the bearing wheel is a solid rubber bearing wheel.
In a preferred embodiment of the walking support device for a heavy snow removing shovel of the present invention, the shock-absorbing compression spring assembly comprises a compression spring, an upper washer, a lower washer and a fixing bolt.
The utility model has the beneficial effects that: the rotating handle assembly drives the screw rod to rotate, so that the screw rod nut rotates to drive the inner lifting cylinder to move up and down, and the height of the supporting and walking device can be adjusted very conveniently. The gland pushes and presses the pre-tightening copper bush to pre-tighten the inner lifting cylinder, so that the connection stability of the outer lifting cylinder and the inner lifting cylinder can be ensured. The inner lifting cylinder is movably connected with the damping guide shaft of the tire support in a floating mode, and the heavy snow removing shovel can generate up-and-down floating obstacle avoiding action to achieve the damping effect when working on a concave-convex road surface through the damping compression spring assembly.
Drawings
FIG. 1 is a front view of a walking support device according to one embodiment of the present invention;
FIG. 2 is an exploded view of a walking support device according to an embodiment of the present invention
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 4 is an exploded view of the outer lift sleeve and lift screw assembly;
fig. 5 is an exploded view of the handle assembly, handle holder and outer lift assembly.
The reference numbers in the figures denote: 1-handle component, 11-handle fixing seat, 2-lifting screw component, 22-screw, 23-fixing head, 24-screw nut, 3-outer lifting cylinder, 31-upper end sealing, 32-connecting plate, 33-through hole, 4-inner lifting cylinder, 5-damping compression spring component, 51-compression spring, 52-upper gasket, 53-inner hexagonal cylinder head bolt, 54-spring washer, 55-lower gasket, 6-wear-resistant copper sleeve, 7-tire supporting component, 71-tire bracket, 72-damping guide shaft, 73-fixing bolt, 74-lug, 8-bearing wheel, 81-tire through shaft, 82-skeleton oil seal, 83-conical roller bearing, 84-limiting shaft sleeve, 85-spring washer, 85-damping compression spring component, and the like, 86-self-locking nut, 9-pre-tightening device, 91-pre-tightening copper sleeve, 92-gland and 93-butterfly spring.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the following examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1-2, the walking support device for heavy snow-removing shovel of the present embodiment comprises an outer lifting drum 3 and an inner lifting drum 4, wherein the outer lifting drum 3 has an upper closed end 31, the side of the outer lifting drum 3 is provided with a connecting plate 32 for connecting with the snow-removing shovel, and the upper part of the inner lifting drum 4 is movably mounted in the lower part of the outer lifting drum. The lifting screw component 2 is arranged in the inner lifting cylinder and the outer lifting cylinder, and the relative movement of the outer lifting cylinder 3 and the inner lifting cylinder 4 is controlled by the lifting screw component 2. The handle assembly 1 is arranged outside the upper closed end of the outer lifting sleeve, and a handle fixing seat 11 can be additionally arranged between the handle assembly 1 and the upper closed end 31 of the outer lifting sleeve. The lifting screw component 2 comprises a screw rod 22 with the upper end capable of moving relatively and penetrating through the handle fixing seat, a screw rod nut 24 fixed in an inner hole of the inner lifting cylinder and forming a moving pair with the screw rod, and a fixing head 23 fixed at the lower end of the screw rod, wherein the screw rod nut 24 rotates along with the screw rod when the handle component 1 is rotated towards different directions, the screw rod nut 24 can rotate relative to the screw rod 22 and move up and down on the screw rod, so that the inner lifting cylinder is driven to move up and down within an outer lifting cylinder, the height of the walking supporting device is adjusted, and the height of the manual screw rod is adjusted in a time-saving and labor-saving mode.
Referring to fig. 3-5, in the present embodiment, a pre-tightening device 9 is further included, which is disposed at a lower portion of the outer elevator for pre-tightening the inner elevator. The pre-tightening device 9 comprises a pre-tightening copper sleeve 91 and a butterfly spring 93 which enter between the inner lifting cylinder and the outer lifting cylinder through the through hole 33 at the upper end of the side wall of the outer lifting cylinder, and a gland 92 which is used for pressing the butterfly spring to pre-tighten the inner lifting cylinder, wherein the gland 92 pushes the pre-tightening copper sleeve 9 through a bolt and the butterfly spring 93 to pre-tighten the inner lifting cylinder 4 so as to realize the stability of connection of the outer lifting cylinder 3 and the inner lifting cylinder 4.
The bottom of the inner lifting cylinder is provided with a tire supporting component 7 which is connected with the inner lifting cylinder in a vertically floating way, and a bearing wheel 8 which can rotate 360 degrees is arranged below the tire supporting component. Set up shock attenuation compression spring subassembly 5 between interior lift section of thick bamboo and tire supporting component, shock attenuation compression spring subassembly 5 includes compression spring 51, still includes upper gasket 52, hexagon socket head cap screw 53, spring washer 54 and lower gasket 55 that support compression spring, has guaranteed the shock-absorbing function of during operation through shock attenuation compression spring subassembly and tire supporting component. The tyre supporting component 7 comprises a tyre bracket 71 and a damping guide shaft 72 arranged on the tyre bracket, wherein the inner lifting cylinder is in floating contact with the damping guide shaft. The bearing wheel is fixed between two lugs 74 of the tire support, a conical roller bearing 83 and a framework oil seal 82 are arranged in a hub of the bearing wheel, and the bearing wheel is fixed through a tire through shaft 81, a limiting shaft sleeve 84, a spring washer 85 and a self-locking nut 86. The bearing wheel is a solid rubber bearing wheel, and the solid bearing wheel has the characteristics of high wear resistance, high elasticity, high load, puncture resistance, low resistance and the like. The inner side of the bottom of the inner lifting cylinder can be also provided with a wear-resistant copper sleeve 6, the wear-resistant copper sleeve is in floating contact with the damping guide shaft, and the damping guide shaft and the inner lifting cylinder are fixed through a fixing bolt 73. The bearing wheel is a solid rubber wheel, so that the requirement of operation speed is met, bearing is guaranteed, the bearing wheel can rotate by 360 degrees and can be matched with heavy snow removing plates with various angles, and the universality of the product is improved.
When the walking supporting device of the embodiment is used, the connecting plate 32 on the outer lifting sleeve 3 is connected with the snow removing shovel to be connected in a threaded manner. After the fixed installation, the handle assembly 1 is rotated to drive the screw rod 22 to rotate, so that the screw rod nut 24 rotates to drive the inner lifting cylinder 4 to move up and down, and the supporting and traveling device is adjusted to a required height. After the height is determined, the handle assembly 1 can be buckled in the handle fixing seat 11 for fixing so as to avoid the height change caused by the movement of the lifting screw rod assembly. The gland 92 pre-tensions the inner lifting cylinder 4 by pushing the pre-tensioning copper bush 9 through a bolt and a butterfly spring 93 so as to realize the stability of adjusting the set height of the outer lifting cylinder 3 and the inner lifting cylinder 4. Wear-resisting copper sheathing 6 adopts fixed spiro union 73 fixed and unsteady loose joint with tire support's shock attenuation guiding axle 72 with interior a lift section of thick bamboo 4, and wear-resisting copper sheathing 6 and tire support 7's unsteady connected mode can realize 360 rotations of bearing wheel 8, very big assurance heavy snow removal board the work demand and the stability of various angles, and shock attenuation compression spring assembly 5 has also guaranteed the demand of absorbing when heavy snow removal shovel keeps away the barrier action simultaneously. The bearing wheel 8 is fixed between the two lugs 74 of the tire support through a through shaft 81, so that the walking support mechanism becomes an auxiliary moving device for supporting the heavy snow removing shovel.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (10)
1. A walking support device for a heavy snow shovel, comprising:
an outer lifting cylinder (3) which is provided with an upper closed end (31) and a connecting plate (32) at the side surface and an inner lifting cylinder (4) which can move relatively and is arranged in the outer lifting cylinder;
the lifting screw rod component (2) is arranged in the center of the outer lifting cylinder and is used for driving the inner lifting cylinder and the outer lifting cylinder to move relatively, and the upper end of the lifting screw rod component can move relatively and penetrates through the upper closed end of the outer lifting cylinder;
the handle component (1) is arranged outside the closed end of the outer lifting cylinder, is fixed with the upper end of the lifting screw rod component and can be used for rotating the lifting screw rod component;
the tire supporting component (7) is arranged at the bottom of the inner lifting cylinder and connected with the inner lifting cylinder in an up-down floating manner, a damping compression spring component (5) is arranged between the inner lifting cylinder and the tire supporting component, and a rotatable bearing wheel (8) is arranged below the tire supporting component.
2. The walking support device for heavy-duty snow shovels according to claim 1, further comprising a pre-tightening device (9) disposed in the pre-tightening of the lower portion of the outer lifting blade.
3. The walking support device for heavy-duty snow shovels according to claim 2, wherein the pre-tightening device (9) comprises a pre-tightening copper bush (91) and a butterfly spring (93) which enter between the inner and outer lifting bars through a through hole (33) at the upper end of the side wall of the outer lifting bar, and a gland (92) for pressing the butterfly spring to pre-tighten the inner lifting bar.
4. The walking support device for a heavy-duty snow shovel according to claim 2, further comprising a handle fixing base (11) provided between the handle assembly and the upper closed end of the outer lifting bar for fixing the handle assembly.
5. The walking support device for a heavy-duty snow shovel according to claim 4, wherein the lifting screw assembly (2) comprises a screw (22) with an upper end capable of relatively moving and penetrating through the handle fixing seat, a screw nut (24) fixed in an inner hole of the inner lifting cylinder and forming a moving pair with the screw, and a fixing head (23) fixed at a lower end of the screw.
6. The walking support device for a heavy snow shovel according to claim 1, characterized in that the tire support assembly (7) comprises a tire support (71) and a shock-absorbing guide shaft (72) disposed above the tire support, the inner lift cylinder being in floatable contact with the shock-absorbing guide shaft.
7. The walking support device for a heavy-duty snow shovel according to claim 6, characterized in that a wear-resistant copper bush (6) is provided inside the bottom of the inner lifting cylinder, the wear-resistant copper bush is in floating contact with the shock-absorbing guide shaft, and the shock-absorbing guide shaft and the inner lifting cylinder are fixed by a fixing bolt (73).
8. Walking support device for a heavy snow shovel according to claim 7, characterized in that the load-bearing wheel is fixed between two lugs (74) of a tire support.
9. The walking support apparatus for a heavy snow shovel according to claim 8, wherein the load-bearing wheels are solid rubber load-bearing wheels.
10. The walking support device for a heavy-duty snow shovel according to claim 1, wherein the shock-absorbing compression spring assembly (5) comprises a compression spring (51), an upper washer (52), a lower washer (55), and a fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160566.9U CN215552331U (en) | 2021-09-08 | 2021-09-08 | Walking supporting device for heavy snow removing shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160566.9U CN215552331U (en) | 2021-09-08 | 2021-09-08 | Walking supporting device for heavy snow removing shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215552331U true CN215552331U (en) | 2022-01-18 |
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ID=79848416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122160566.9U Active CN215552331U (en) | 2021-09-08 | 2021-09-08 | Walking supporting device for heavy snow removing shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215552331U (en) |
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2021
- 2021-09-08 CN CN202122160566.9U patent/CN215552331U/en active Active
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