CN204551570U - A kind of guardrail and engineering machinery - Google Patents

Abstract

The utility model proposes a kind of guardrail and engineering machinery, described guardrail comprises fixed arm, folding arm and external member, one end of described fixed arm is flexibly connected with one end of described folding arm, described external member is sheathed on the junction of described fixed arm and described folding arm, and can slide on described junction and folding arm, when described external member is sheathed on junction, described folding arm and described fixed arm are fixed together; When described external member is placed on described folding arm, described folding arm can rotate around described fixed arm.The guardrail of this structure, when needing transition, without the need to dismounting, carries out it folding, therefore, can effectively improve transition efficiency, use more for convenience.

Description

A kind of guardrail and engineering machinery

Technical field

The utility model relates to engineering machinery field, particularly a kind of guardrail and engineering machinery.

Background technology

In recent years, along with the quick propelling of China's economic construction, the engineering machinery comprising the various equipment such as truck with grout mixer and water tank, excavator obtains great development, and the trend of equipment enlarging is more and more obvious.

Because the whole height of engineering machinery is more and more higher, for ensureing safety, the top of engineering machinery need arrange guardrail usually.At present, the guardrail in various engineering machinery is generally and is removably fixedly installed, and in transportation, easily exceedes specified altitude, usually needs guardrail to disassemble.

Current guardrail is mainly fixed in engineering machinery by connectors such as bolts, and therefore, install and dismounting all comparatively inconvenience, workload is comparatively large, wastes time and energy, affects transition efficiency.

In sum, how to provide a kind of when engineer machinery change field without the need to dismounting, effectively can improve the guardrail of engineer machinery change field efficiency, and comprise the engineering machinery of this guardrail, become those skilled in the art to need the technical problem of solution badly.

Utility model content

In view of this, one of problem to be solved in the utility model be how to provide a kind of when engineer machinery change field without the need to dismounting, effectively can improve the guardrail of engineer machinery change field efficiency.

Two of problem to be solved in the utility model how to provide a kind of engineering machinery comprising above-mentioned guardrail.

For one of solving the problem, the utility model proposes a kind of guardrail, for engineering machinery, described guardrail comprises fixed arm, folding arm and external member, one end of described fixed arm is flexibly connected with one end of described folding arm, and described external member is sheathed on the junction of described fixed arm and described folding arm, and can slide on described junction and folding arm, when described external member is sheathed on junction, described folding arm and described fixed arm are fixed together; When described external member is placed on described folding arm, described folding arm can rotate around described fixed arm.

As the improvement on the one hand of a kind of guardrail of the utility model, described guardrail also comprises bearing pin, and described fixed arm and described folding arm are by described hinge.

As the improvement on the one hand of a kind of guardrail of the utility model, described fixed arm and described folding arm are respectively equipped with pin-and-hole, and described bearing pin is arranged in described pin-and-hole.

As the improvement on the one hand of a kind of guardrail of the utility model, the one or both ends of described bearing pin are also provided with the cottor pin for preventing bearing pin landing.

As the improvement on the one hand of a kind of guardrail of the utility model, described fixed arm is consistent with the cross sectional shape of described folding arm.

As the improvement on the one hand of a kind of guardrail of the utility model, described external member is sleeve.

As the improvement on the one hand of a kind of guardrail of the utility model, described fixed arm is provided with mounting groove, and one end of described folding arm is placed in described mounting groove.

As the improvement on the one hand of a kind of guardrail of the utility model, described folding arm is provided with mounting groove, and one end of described fixed arm is placed in described mounting groove.

As the improvement on the one hand of a kind of guardrail of the utility model, the quantity of described fixed arm is one or more, and the quantity of described folding arm is consistent with the quantity of described fixed arm.

The guardrail of said structure, can be used in various engineering machinery, comprise fixed arm, folding arm and external member, one end of fixed arm is flexibly connected with one end of folding arm, external member is sheathed on the junction of fixed arm and folding arm, and can slide on junction and folding arm, when external member is sheathed on junction, folding arm and fixed arm are fixed together; When external member is placed on folding arm, folding arm can rotate around fixed arm.The guardrail of this structure, in use procedure, external member is sheathed on the junction of fixed arm and linking arm, and now, folding arm and fixed arm are on same straight line, and guardrail can play protective action.When engineering machinery needs to carry out transition, for preventing equipment superelevation, now, external member can be moved to folding arm, folding arm can rotate around fixed arm, namely packs up folding arm.Therefore, the guardrail of this structure, when needing transition, without the need to dismounting, carries out it folding, therefore, can effectively improve transition efficiency, use more for convenience.

For solve the problem two, the utility model proposes a kind of engineering machinery, comprise guardrail, described guardrail is the guardrail as above described in any one.

Comprise the engineering machinery of above-mentioned guardrail, correspondingly, there is the advantage that transition efficiency is high.

Accompanying drawing explanation

The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.

Fig. 1 is the structural representation of a kind of guardrail of the utility model;

Fig. 2 is the enlarged diagram in A portion in Fig. 1;

Fig. 3 is the structural representation of fixed arm in Fig. 1;

Fig. 4 is the cross-sectional schematic of Fig. 3;

Fig. 5 is the structural representation of folding arm in Fig. 1;

Fig. 6 is the left view of Fig. 5.

In Fig. 1 to Fig. 6, the corresponding relation of Reference numeral is:

1 fixed arm 2 folding arm 3 sleeve

4 bearing pin 5 first pin-and-hole 6 second pin-and-holes

Detailed description of the invention

It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.

Guardrail as shown in Figure 1, apply in various engineering machinery, comprise fixed arm 1, folding arm 2 and external member, one end of fixed arm 1 is flexibly connected with one end of folding arm 2, external member is sheathed on the junction of fixed arm 1 and folding arm 2, further, external member also can be slided as required on junction and folding arm 2.In use procedure, external member is sheathed on the junction of fixed arm 1 and folding arm 2 all the time, ensures that fixed arm 1 and folding arm 2 are in connection status.And when external member moves on folding arm 2, folding arm 2 can rotate around fixed arm 1, namely pack up folding arm 2 completely.

In technique scheme, as shown in Figure 2, guardrail also comprises bearing pin 4, and it is hinged that fixed arm 1 and folding arm 2 pass through bearing pin 4.Particularly, as shown in Figures 3 to 6, fixed arm 1 is provided with the first pin-and-hole 5, and folding arm 2 is provided with the second pin-and-hole 6, and bearing pin 4 is placed on the first pin-and-hole 5 and the second pin-and-hole 6 respectively.

After bearing pin 4 is placed in the first pin-and-hole 5 and the second pin-and-hole 6, for preventing bearing pin 4 landing from the first pin-and-hole 5 and the second pin-and-hole 6, the one or both ends of bearing pin 4 are also provided with the cottor pin for preventing bearing pin 4 landing, when only arranging cottor pin in one end of bearing pin 4, the other end of bearing pin 4 can arrange the shaft shoulder.

For external member, be preferably sleeve 3, the inner hole section shape of sleeve 3 is consistent with the cross sectional shape of fixed arm 1 and folding arm 2, is specifically as follows circle, can be also polygon, not do concrete restriction at this.

In one embodiment, as shown in Figure 4 and Figure 5, fixed arm 1 also establishes mounting groove, the first pin-and-hole 5 is placed on two pieces of otic placodes of mounting groove, and one end of folding arm 2 is placed in mounting groove, and is connected by the bearing pin 4 in the first pin-and-hole 5.It should be noted that, in another kind of embodiment, can also arrange mounting groove on folding arm 2, the second pin-and-hole 6 is arranged on two pieces of otic placodes of mounting groove, and one end of fixed arm 1 is placed in mounting groove, and is connected by the bearing pin 4 in the second pin-and-hole 6.It should be noted that, the connected mode of fixed arm 1 and folding arm 2 is multiple in addition, specifically with reference to existing and improvement opportunity, can be not described in detail in this.

The guardrail of said structure, the quantity of fixed arm 1 can arrange one or more as required, and the quantity of folding arm 2 is consistent with the quantity of fixed arm 1, can be also one or more, and fixed arm 1 is connected respectively with folding arm 2.

The guardrail of said structure, can be used in various engineering machinery, and in use procedure, sleeve 3 is sheathed on the junction of fixed arm 1 and linking arm, and now, folding arm 2 and fixed arm 1 are on same straight line, and guardrail can play protective action.When engineering machinery needs to carry out transition, for preventing equipment superelevation, now, can external member be moved on folding arm 2 or fixed arm 1, folding arm 2 can rotate around fixed arm 1, namely packs up folding arm 2.Therefore, the guardrail of this structure, when needing transition, without the need to dismounting, carries out it folding, therefore, can effectively improve transition efficiency, use more for convenience.

On the other hand, the utility model also proposes a kind of engineering machinery, comprises guardrail, and particularly, guardrail is the guardrail of said structure.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a guardrail, for engineering machinery, it is characterized in that, described guardrail comprises fixed arm (1), folding arm (2) and external member, one end of described fixed arm (1) is flexibly connected with one end of described folding arm (2), described external member is sheathed on the junction of described fixed arm (1) and described folding arm (2), and can in described junction and the upper slip of folding arm (2), when described external member is sheathed on junction, described folding arm (2) and described fixed arm (1) are fixed together; When described external member is placed on described folding arm (2), described folding arm (2) can rotate around described fixed arm (1).

2. guardrail according to claim 1, is characterized in that, described guardrail also comprises bearing pin (4), described fixed arm (1) and described folding arm (2) hinged by described bearing pin (4).

3. guardrail according to claim 2, is characterized in that, described fixed arm (1) and described folding arm (2) are respectively equipped with pin-and-hole, and described bearing pin (4) is arranged in described pin-and-hole.

4. guardrail according to claim 3, is characterized in that, the one or both ends of described bearing pin (4) are also provided with the cottor pin for preventing bearing pin (4) landing.

5. guardrail according to claim 4, is characterized in that, described fixed arm (1) is consistent with the cross sectional shape of described folding arm (2).

6. guardrail according to claim 1, is characterized in that, described external member is sleeve (3).

7. guardrail according to any one of claim 1 to 6, is characterized in that, described fixed arm (1) is provided with mounting groove, and one end of described folding arm (2) is placed in described mounting groove.

8. guardrail according to any one of claim 1 to 6, is characterized in that, described folding arm (2) is provided with mounting groove, and one end of described fixed arm (1) is placed in described mounting groove.

9. guardrail according to claim 7, is characterized in that, the quantity of described fixed arm (1) is one or more, and the quantity of described folding arm (2) is consistent with the quantity of described fixed arm (1).

10. an engineering machinery, comprises guardrail, it is characterized in that, the guardrail of described guardrail according to any one of claim 1 to 9.