CN210684846U

CN210684846U - Folding protective fence and engineering machinery

Info

Publication number: CN210684846U
Application number: CN201921619983.1U
Authority: CN
Inventors: 张猛; 邹云川
Original assignee: Shanghai Sany Heavy Machinery Co Ltd
Current assignee: Shanghai Sany Heavy Machinery Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-05
Anticipated expiration: 2029-09-25

Abstract

The embodiment of the utility model provides a foldable rail guard and engineering machine tool relates to the engineering machine tool field. The foldable protective guard comprises a first protective guard, a second protective guard and a foldable adjusting piece, wherein the first protective guard is rotatably connected with the second protective guard, the foldable adjusting piece is slidably connected with the first protective guard, and the foldable adjusting piece can slide to a first position or a second position along the first protective guard; the folding adjusting piece is used for enabling the first guardrail and the second guardrail to rotate relatively at the first position, abutting against the second guardrail at the second position and enabling the first guardrail and the second guardrail to be relatively fixed. The foldable protective guard and the engineering machine can adjust the overall height of the protective guard, and the protective guard is simple in structure and convenient to operate due to height adjustment.

Description

Folding protective fence and engineering machinery

Technical Field

The utility model relates to an engineering equipment field particularly, relates to a foldable rail guard and engineering machine tool.

Background

For an excavator, the upgrading of the emission standard leads to the overall increase of the height of an excavator covering element, and if the existing guard rail or the handrail is adopted, the total height exceeds the transportation standard, so that the transportation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foldable rail guard and engineering machine tool, it can adjust the whole height of rail guard to simple structure, the operation of being convenient for are included.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, an embodiment of the present invention provides a foldable guard rail, including a first guard rail, a second guard rail and a folding adjusting member, wherein the first guard rail is rotatably connected to the second guard rail, the folding adjusting member is slidably connected to the first guard rail, and the folding adjusting member can slide to a first position or a second position along the first guard rail;

the folding adjusting piece is used for enabling the first guardrail and the second guardrail to rotate relatively at the first position, abutting against the second guardrail at the second position and keeping the first guardrail and the second guardrail relatively fixed.

The utility model discloses beneficial effect includes, for example: the first guardrail and the second guardrail are connected in a rotating mode and are folded in a rotating mode. The folding adjusting piece is used for limiting the rotation between the first guardrail and the second guardrail, and when the folding adjusting piece limits the rotation between the first guardrail and the second guardrail, the second guardrail extends relative to the first guardrail so that the guardrail has a normal working height; when the folding adjusting piece loosens the first guardrail and the second guardrail, the first guardrail and the second guardrail rotate relatively to realize the folding of the guardrail, so that the height of the whole guardrail is reduced to meet the requirement of the conveying standard on the height. Wherein, folding regulating part sets up on first guardrail and can slide along first guardrail, and it has first position and second position when sliding: when the foldable protective guard is in the first position, the first protective guard and the second protective guard can rotate relatively to realize the folding of the foldable protective guard and reduce the overall height; when the foldable protective guard is in the second position, the foldable adjusting piece abuts against the second protective guard, and the first protective guard and the second protective guard are kept relatively fixed, so that the normal work of the foldable protective guard is guaranteed. The embodiment of the utility model provides a foldable rail guard can adjust the whole height of rail guard to simple structure, the operation of being convenient for.

In an alternative embodiment, a sliding block is disposed on the folding adjusting member, a sliding groove for the sliding block to slide is disposed on the first guardrail, the sliding groove has a first end and a second end opposite to each other, the second end is close to the second guardrail, the sliding block can slide between the first end and the second end, when the sliding block is located at the first end, the folding adjusting member is located at the first position, and when the sliding block is located at the second end, the folding adjusting member is located at the second position.

In an optional embodiment, the sliding groove includes a first groove and a second groove communicated with the first groove, an extending direction of the first groove and an extending direction of the second groove form an included angle, the second groove extends along a direction away from the first groove, the first end portion is disposed at one end of the first groove, and the second end portion is disposed at the second groove.

In an alternative embodiment, the chute further comprises a third slot, the third slot communicating with the second slot, the second slot extending in a direction adjacent to the first slot.

In an alternative embodiment, the foldable guard rail further comprises an elastic component, which is disposed on the second guard rail and is used for abutting between the folding adjusting member and the second guard rail when the folding adjusting member is located at the second position.

In an optional embodiment, the elastic component includes an elastic member and a first abutting member, the elastic member is disposed on the second guardrail, the first abutting member is provided with a through hole for the folding adjusting member to pass through, and the elastic member abuts between the second guardrail and the first abutting member or between the second guardrail and the folding adjusting member.

In an optional embodiment, the second guardrail has a hollow cavity, the elastic member and the first abutting member are both disposed in the cavity, the folding adjusting member can slide along the cavity, the elastic assembly further includes a second abutting member disposed in the cavity, and the elastic member is disposed on the second abutting member and abuts between the second abutting member and the first abutting member or between the second abutting member and the folding adjusting member.

In an optional embodiment, the elastic assembly further includes a holding block, the other end of the elastic member is disposed on the holding block and used for holding the folding adjusting member, and the size of the holding block is larger than the aperture of the through hole.

In an alternative embodiment, the folding adjustment member is provided with a telescopic protrusion, which is capable of sliding in the through hole and is used for abutting against the elastic member.

In a second aspect, an embodiment of the present invention provides an engineering machine, including a folding guard rail according to any one of the foregoing embodiments.

It should be noted that, the engineering machine has similar beneficial effects to the folding guard rail described above, the overall height of the guard rail can be adjusted, and the guard rail has a simple structure and is convenient to operate in height adjustment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a folding guard rail according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the folding guard rail of fig. 1 from another view angle;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the chute of FIG. 2;

FIG. 5 is a schematic view of the folding adjustment member of FIG. 2;

fig. 6 is a schematic cross-sectional view illustrating a folding guard rail having an elastic member according to an embodiment of the present invention.

Icon: 100-a folding guard rail; 101-a first position; 102-a second position; 110-a first guardrail; 112-a chute; 113-a first groove; 114-a second groove; 115-a third groove; 120-a second guardrail; 130-a folding adjustment; 131-a slider; 132-a telescoping protrusion; 140-a resilient component; 141-an elastic member; 142-a first abutment; 143-a second abutment; 144-holding block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1 and 2, the present embodiment provides a foldable guard rail 100 for an engineering machine, which can adjust the overall height of the guard rail, and has a simple structure and is convenient to operate.

It should be noted that, for an engineering machine, such as an excavator, after the emission standard is upgraded, the overall height of the cooling fan and the post-processing part is increased, the overall height of the excavator covering part is increased, and the available height of the guard rail arranged on the excavator is reduced. In order to meet the requirements of transportation standards, the guard rail can be arranged into a telescopic or foldable structure so as to reduce the height of the whole machine in the transportation process. In the prior art, the foldable guard rail is complex to realize, and usually a plurality of bolts need to be fixed and then taken down when the guard rail needs to be folded, which not only has no advantages in mechanism, but also brings trouble in operation.

And the embodiment of the utility model provides a foldable rail guard 100 has guaranteed the simple and convenient of operation in height-adjustable to the staff's operation of being convenient for.

Referring to fig. 1 to 3, in an embodiment of the present invention, the foldable guard rail 100 includes a first guard rail 110, a second guard rail 120, and a folding adjusting member 130, wherein the first guard rail 110 is rotatably connected to the second guard rail 120, the folding adjusting member 130 is slidably connected to the first guard rail 110, and the folding adjusting member 130 can slide along the first guard rail 110 to a first position 101 or a second position 102; the folding adjustment member 130 is used to enable the first guard rail 110 and the second guard rail 120 to rotate relative to each other in the first position 101, and to abut against the second guard rail 120 in the second position 102, and to keep the first guard rail 110 and the second guard rail 120 fixed relative to each other.

It will be appreciated that the first guard rail 110 and the second guard rail 120 are pivotally connected and are folded by pivoting. The folding adjustment member 130 is used to limit the rotation between the first guard rail 110 and the second guard rail 120, and when the folding adjustment member 130 limits the rotation between the first guard rail 110 and the second guard rail 120, the second guard rail 120 is extended relative to the first guard rail 110 so that the guard rail has a normal working height; when the folding adjusting member 130 releases the first guard rail 110 and the second guard rail 120, the first guard rail 110 and the second guard rail 120 rotate relatively to achieve the folding of the guard rail, thereby reducing the height of the entire guard rail to meet the requirements of transportation standards for height. Wherein the folding adjustment member 130 is provided on the first guard rail 110 and is slidable along the first guard rail 110, and has a first position 101 and a second position 102 when slid: in the first position 101, the first guard rail 110 and the second guard rail 120 can rotate relatively to fold the foldable guard rail 100, so as to reduce the overall height; in the second position 102, the folding adjustment member 130 abuts the second guardrail 120 and keeps the first guardrail 110 and the second guardrail 120 relatively fixed to ensure the proper operation of the folding guardrail 100. The embodiment of the utility model provides a foldable rail guard 100 can adjust the whole height of rail guard to simple structure, the operation of being convenient for.

It should be noted that the first position 101 and the second position 102 represent the positions of the folding adjusting member 130 during sliding relative to the first protection fence 110, wherein when the folding adjusting member 130 is located at the first position 101, the first protection fence 110 and the second protection fence 120 can rotate relative to each other; when the folding adjustment member 130 is in the second position 102, it abuts the second fence 120 and keeps the first fence 110 and the second fence 120 relatively stationary.

In an alternative embodiment, the folding adjustment member 130 is provided with a sliding block 131, the first guard rail 110 is provided with a sliding groove 112 for sliding the sliding block 131, the sliding groove 112 has a first end and a second end opposite to each other, the second end is close to the second guard rail 120, the sliding block 131 can slide between the first end and the second end, when the sliding block 131 is at the first end, the folding adjustment member 130 is located at the first position 101, and when the sliding block 131 is at the second end, the folding adjustment member 130 is located at the second position 102.

That is, the slider 131 provided on the folding adjustment can slide along the sliding groove 112 provided on the first guard rail 110, and the sliding groove 112 has a first end and a second end at opposite positions, and when the slider 131 slides to the first end, the folding adjustment member 130 is located at the first position 101, and when the slider 131 slides to the second end, the folding adjustment member 130 is located at the second position 102. That is, when the slider 131 slides to the first end, the first guard rail 110 and the second guard rail 120 can rotate relatively; when the slider 131 is slid to the second end, the first guard rail 110 and the second guard rail 120 remain relatively stationary.

In addition, the sliding block 131 can be operated conveniently by workers.

Referring to fig. 4 and 5, optionally, the sliding groove 112 includes a first groove 113 and a second groove 114 communicating with the first groove 113, an extending direction of the first groove 113 and an extending direction of the second groove 114 form an included angle, the second groove 114 extends in a direction away from the first groove 113, a first end portion is disposed at one end of the first groove 113, and a second end portion is disposed at the second groove 114.

Further, the extending directions of the first groove 113 and the second groove 114 are perpendicular to each other, wherein the first groove 113 extends substantially along the axial direction of the first protection fence 110, and the second groove 114 extends substantially along the radial direction of the first protection fence 110.

Optionally, the first guard rail 110 is a hollow structure. Of course, not limited thereto, in other embodiments of the present invention, the first protection fence 110 may also be a solid structure, and at this time, an accommodating groove communicated with the sliding groove 112 may be formed in the first protection fence 110 to accommodate the folding adjusting member 130.

Further, the chute 112 may further include a third groove 115, the third groove 115 communicating with the second groove 114, the second groove 114 extending in a direction close to the first groove 113.

It will be appreciated that the third slot 115 is used to lock the slide 131 and prevent the slide 131 from returning to the first position 101 after sliding to the second position 102. It should be appreciated that the third slot 115 is generally sized to receive the slider 131 described above, such as the third slot 115 is generally sized slightly larger than the slider 131.

The first groove 113, the second groove 114, and the third groove 115 are track grooves that regulate the sliding of the slider 131, and segment the slide groove 112 in the extending direction of the slide groove 112.

Referring to fig. 6, in an alternative embodiment, the foldable guard rail 100 further includes an elastic member 140, and the elastic member 140 is disposed on the second guard rail 120 and is used for abutting between the folding adjuster 130 and the second guard rail 120 when the folding adjuster 130 is located at the second position 102.

It should be noted that the elastic member 140 is used to keep the folding adjuster 130 at the second position 102, thereby ensuring good stability when the first guard rail 110 and the second guard rail 120 are unfolded. The elastic member 140 may be disposed to cooperate with the first groove 113, the second groove 114 and the third groove 115, that is, the elastic member 140 may enable the slider 131 of the folding adjuster 130 to be stably received in the third groove 115.

Optionally, the elastic component 140 includes an elastic member 141 and a first abutting member 142, the elastic member 141 is disposed on the second guardrail 120, the first abutting member 142 is provided with a through hole for the folding adjusting member 130 to pass through, and the elastic member 141 abuts between the second guardrail 120 and the first abutting member 142 or abuts between the second guardrail 120 and the folding adjusting member 130.

During the adjustment process, the folding adjustment member 130 extends into the through hole disposed on the first abutting member 142 and compresses the elastic member 141, and when the folding adjustment member 130 slides to the second position 102, the elastic member 141 is compressed by the folding adjustment member 130, that is, the elastic force of the elastic member 141 acts on the folding adjustment member 130 to abut against the second position 102. That is, as described above, the slider 131 abuts against the side wall of the second groove 114 or the third groove 115.

Further, the second guard rail 120 has a hollow cavity, the elastic member 141 and the first abutting member 142 are both disposed in the cavity, the folding adjusting member 130 can slide along the cavity, the elastic assembly 140 further includes a second abutting member 143 disposed in the cavity, and the elastic member 141 is disposed on the second abutting member 143 and abuts between the second abutting member 143 and the first abutting member 142 or between the second abutting member 143 and the folding adjusting member 130.

Optionally, when not engaged with the folding adjusting member 130, the elastic member 141 abuts between the first abutting member 142 and the second abutting member 143, or is in a natural state. When the folding adjusting member 130 moves toward the elastic member 141 and presses the elastic member 141, the elastic member 141 abuts between the second abutting member 143 and the folding adjusting member 130.

Furthermore, the elastic component 140 further includes a supporting block 144, the other end of the elastic element 141 is disposed on the supporting block 144 for supporting the folding adjusting element 130, and the size of the supporting block 144 is larger than the aperture of the through hole.

When the elastic member 141 is a spring, the abutting block 144 can compress the spring during the process that the folding adjusting member 130 contacts and moves with the elastic member 141. That is, the abutting block 144 increases the contact area between the folding adjusting member 130 and the elastic member 141, and the area of the folding adjusting member 130 in the process of compressing the elastic member 141 is larger, which is beneficial to improving the stability and reliability of the folding adjusting member.

Optionally, the folding adjustment member 130 is provided with a telescopic protrusion 132, and the telescopic protrusion 132 can slide in the through hole and is used for abutting against the elastic member 141.

It should be understood that the cross-sectional dimension of the telescopic protrusion 132 is smaller than that of the main body of the foldable adjusting member 130, and a limiting surface is provided at the transition of the telescopic protrusion and the main body, and the limiting surface can be abutted against the outer side of the through hole, so as to limit the displacement of the foldable adjusting member 130.

Alternatively, as shown in fig. 1 and 2, in the present embodiment, the first guard rail 110 is substantially H-shaped, the second guard rail 120 is substantially U-shaped, and the first guard rail 110 and the second guard rail 120 are hinged. The number of folding adjusters 130 and elastic members 140 is two corresponding sets, which are provided approximately at the junction of the first guard rail 110 and the second guard rail 120, respectively. Of course, without limitation, in other embodiments of the present invention, the first guard rail 110 and the second guard rail 120 may have other shapes, and the folding adjuster 130 and the elastic member 140 may have other numbers.

The embodiment of the utility model provides a still provide an engineering machine tool including the foldable rail guard 100 of any above-mentioned implementation, this engineering machine tool has at least with foretell foldable rail guard 100 similar beneficial effect. It will be appreciated that the work machine may be a mechanical device such as an excavator.

Referring to fig. 1 to 6, the folding guard rail 100 and the engineering machine according to the embodiment of the present invention have the following advantages: the first guardrail 110 and the second guardrail 120 are rotatably connected and can be folded by means of rotation. The folding adjustment member 130 is for restricting rotation between the first guard rail 110 and the second guard rail 120, the folding adjustment member 130 is provided on the first guard rail 110 and is slidable along the first guard rail 110, and has a first position 101 and a second position 102 when slid: in the first position 101, the first guard rail 110 and the second guard rail 120 can rotate relatively to fold the foldable guard rail 100, so as to reduce the overall height; in the second position 102, the folding adjustment member 130 abuts the second guardrail 120 and keeps the first guardrail 110 and the second guardrail 120 relatively fixed to ensure the proper operation of the folding guardrail 100. The embodiment of the utility model provides a foldable rail guard 100 can adjust the whole height of rail guard to simple structure, the operation of being convenient for. The embodiment of the utility model provides an engineering machine tool has the similar beneficial effect with this foldable rail guard 100, can adjust the height of rail guard promptly to satisfy the high standard of transportation.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A foldable protective guard is characterized by comprising a first protective guard, a second protective guard and a foldable adjusting piece, wherein the first protective guard is rotatably connected with the second protective guard, the foldable adjusting piece is slidably connected with the first protective guard, and the foldable adjusting piece can slide to a first position or a second position along the first protective guard;

2. The folding protective guard according to claim 1, wherein the folding adjustment member is provided with a slider, the first protective rail is provided with a sliding slot for sliding the slider, the sliding slot has a first end and a second end opposite to each other, the second end is adjacent to the second protective rail, the slider is capable of sliding between the first end and the second end, the folding adjustment member is located at the first position when the slider is located at the first end, and the folding adjustment member is located at the second position when the slider is located at the second end.

3. The folding guard rail according to claim 2, wherein the sliding groove includes a first groove and a second groove communicating with the first groove, the first groove extending in a direction at an angle to the second groove and the second groove extending in a direction away from the first groove, the first end portion being disposed at one end of the first groove and the second end portion being disposed at the second groove.

4. The folding protective fence according to claim 3 wherein the chute further comprises a third slot, the third slot communicating with the second slot, the second slot extending in a direction adjacent to the first slot.

5. A folding guard rail according to any one of claims 1-4 further comprising a resilient member provided to the second guard rail for abutting between the folding adjustment member and the second guard rail when the folding adjustment member is in the second position.

6. The folding guard rail according to claim 5, wherein the elastic member comprises an elastic member and a first abutting member, the elastic member is disposed on the second guard rail, the first abutting member is provided with a through hole for the folding adjusting member to pass through, and the elastic member abuts between the second guard rail and the first abutting member or between the second guard rail and the folding adjusting member.

7. The folding guard rail according to claim 6, wherein the second guard rail has a hollow chamber, the elastic member and the first abutting member are both disposed in the chamber, the folding adjusting member can slide along the chamber, the elastic member further comprises a second abutting member disposed in the chamber, and the elastic member is disposed on the second abutting member and abuts between the second abutting member and the first abutting member or between the second abutting member and the folding adjusting member.

8. The folding guard rail according to claim 6, wherein the elastic member further comprises a holding block, the other end of the elastic member is disposed on the holding block for holding the folding adjusting member, and the size of the holding block is larger than the aperture of the through hole.

9. The folding protective fence according to claim 6, wherein the folding adjusting member is provided with a telescopic projection which is slidable in the through hole and is used for abutting against the elastic member.

10. An engineering machine comprising a folding guard rail according to any one of claims 1 to 9.