Rotary suspension arm structure of sanitation vehicle

Abstract

The utility model discloses a sanitation truck rotary suspension arm structure, which relates to the field of sanitation trucks, and comprises an annular fixed base and a rotary base, the rotary base is rotatably mounted between the fixed bases, a support column is mounted at the top of the rotary base, a notch is formed in the top end of the support column, a rotary shaft is fixedly mounted in the notch, and the rotary shaft is rotatably mounted on the rotary base. The top end of the supporting column is rotationally provided with a supporting arm connected to the rotation stopping shaft in a sleeving mode, the bottom of the supporting arm is fixedly provided with a second fixing piece, the bottom of the side wall of the supporting column is fixedly provided with a first fixing piece, a first hydraulic rod is movably connected between the first fixing piece and the second fixing piece, and the inner ring wall of the fixing base is provided with an annular groove. According to the supporting arm, the stability of the supporting arm can be improved through the supporting rods on the periphery of the supporting column, the supporting column can still be stably erected on the rotating base when the supporting arm lifts heavy objects, and therefore the sanitation truck is more stable when lifting the objects.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sanitation vehicles, in particular to a sanitation vehicle rotary boom structure. BACKGROUND

[0002] Sanitation vehicles are special vehicles for urban appearance arrangement and cleaning, which play an important role in urban environmental health management, municipal road maintenance and urban sanitation. Different sanitation vehicles are responsible for different work according to different functions. The top of part of the sanitation vehicles is provided with a boom, and some hoisting work is completed through the boom at the top of the sanitation vehicle. However, the support column of the common boom does not have a structure for reinforcing and supporting the boom structure after installation, which leads to poor stability of the boom when hoisting some heavy objects, thereby existing certain safety hazards. Therefore, the present application provides a sanitation vehicle rotary boom structure. SUMMARY

[0003] In view of the problems existing in the prior art sanitation vehicle rotary boom structure, the utility model is provided.

[0004] Therefore, the utility model aims at providing a sanitation vehicle rotary boom structure, which solves the problem that the support column of the common boom does not have a structure for reinforcing and supporting the boom structure after installation, which leads to poor stability of the boom when hoisting some heavy objects.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sanitation vehicle rotary boom structure, which comprises a fixed base and a rotating base in a circular ring shape, the rotating base is rotatably installed between the fixed base, a support column is installed at the top of the rotating base, a notch is formed at the top end of the support column, a rotating shaft is fixedly installed in the notch, a support arm is rotatably installed on the rotating shaft, a second fixing member is fixedly installed at the bottom of the support arm, a first fixing member is fixedly installed at the bottom of the side wall of the support column, a first hydraulic rod is movably connected between the first fixing member and the second fixing member, an annular groove is formed in the inner wall of the fixed base, a rotating plate is fixedly installed in the annular groove at the bottom of the rotating base, a recess is formed in the top of the fixed base, and a support rod is fixedly installed at each of the four corners of the side wall of the support column and extends into the recess.

[0006] Preferably, a first semicircular groove is formed at the bottom end of each support rod, a first ball that can rotate is arranged in each first semicircular groove, a second semicircular groove is formed at the outer side of the bottom end of the side wall of each support rod, a second ball that can rotate is arranged in each second semicircular groove, a first sliding groove is formed at the bottom of the recess of the top of the fixed base, a second sliding groove is formed in the side wall of the recess, the first balls at the bottom ends of the four support rods are slidably installed in the first sliding groove, and the second balls at the side walls of the four support rods are slidably installed in the second sliding groove.

[0007] Preferably, the end of the support arm away from the rotating shaft is provided with a moving block, and a fixed block is fixedly installed on both sides of the moving block.

[0008] Preferably, the end of the support arm away from the rotating shaft is provided with a rod slot, and a reinforcing rod is movably inserted into the rod slot.

[0009] Preferably, the bottom end of the support column is provided with a plurality of bolts threadedly connected with the rotating base.

[0010] Preferably, both ends of the first hydraulic rod are rotatably connected with the first fixing member and the second fixing member.

[0011] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0012] When the support column rotates, the four support rods at the bottom end and the first and second rolling beads of the side wall can slide in the first and second sliding grooves in the top recess of the fixed base, so that the support rods around the support column can increase the stability of the support column, and the support arm can still be stably erected on the rotating base when lifting heavy objects, so that the sanitation vehicle is more stable when lifting objects. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0014] Figure 1 It is the overall structure diagram of the utility model;

[0015] Figure 2 It is the structure diagram of the connection between the support column and the rotating base of the utility model;

[0016] Figure 3 It is the cross-sectional structure diagram of the support rod of the utility model;

[0017] Figure 4 It is the structure diagram of the connection between the support arm and the moving block of the utility model.

[0018] Explanation of reference signs:

[0019] 1, fixed base; 2, rotating base; 3, support column; 4, rotating shaft; 5, support arm; 6, first fixing part; 7, second fixing part; 8, first hydraulic rod; 9, moving block; 10, fixed block; 11, second hydraulic rod; 12, rod groove; 13, reinforcing rod; 14, support rod; 15, first semicircular groove; 16, first ball; 17, second semicircular groove; 18, second ball; 19, first sliding groove; 20, second sliding groove; 21, rotating plate. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0021] The utility model provides a kind of sanitation car rotary boom structure as Figures 1-4 It is shown in the drawing, including circular fixed base 1 and rotating base 2, rotating base 2 is rotatably installed between fixed base 1, support column 3 is installed at the top of rotating base 2, slot is opened in the top end of support column 3, rotating shaft 4 is fixedly installed in slot, support arm 5 is rotatably installed on rotating shaft 4 in the top end of support column 3, support arm 5, second fixing part 7 is fixedly installed in the bottom of support arm 5, first fixing part 6 is fixedly installed in the bottom of the side wall of support column 3, first hydraulic rod 8 is movably connected between first fixing part 6 and second fixing part 7, annular groove is opened in the inner ring wall of fixed base 1, rotating plate 21 is fixedly installed in annular groove in the bottom of rotating base 2, recess is opened in the top of fixed base 1, support rod 14 is fixedly installed in the four corners of the side wall of support column 3 and extends into recess.

[0022] In order to let support rod 14 play the role of support while also moving conveniently, as Figure 1 And Figure 2 It is shown in the drawing, first semicircular groove 15 is opened in the bottom end of each support rod 14, rotatable first ball 16 is arranged in each first semicircular groove 15, second semicircular groove 17 is opened in the outside of the bottom end of the side wall of each support rod 14, rotatable second ball 18 is arranged in each second semicircular groove 17, first sliding groove 19 is opened in the bottom of recess in the top of fixed base 1, second sliding groove 20 is opened in the side wall of recess, first ball 16 in the bottom end of four support rods 14 is slidably installed in first sliding groove 19, second ball 18 in the side wall of four support rods 14 is slidably installed in second sliding groove 20, when rotating base 2 drives support column 3 to rotate, first ball 16 and second ball 18 in the bottom end and the side wall of four support rods 14 in the side wall of support column 3 will be slid in first sliding groove 19 and second sliding groove 20 respectively, so that support rod 14 can always play the role of support to support column 3 when rotating with support column 3.

[0023] In order to adjust the position of the moving block 9, as shown in Figure 1 and Figure 4 the end of the support arm 5 away from the rotating shaft 4 is provided with a moving block 9, and the moving block 9 is fixedly installed on both sides of the moving block 9. Two second hydraulic rods 11 are fixedly installed on both sides of the support arm 5, and the telescopic ends of the two second hydraulic rods 11 are fixedly connected to the fixed blocks 10. The second hydraulic rods 11 can push the moving block 9 to move, so that the lifting hook installed at the bottom of the moving block 9 can be adjusted.

[0024] In order to increase the stability between the support arm 5 and the moving block 9, as shown in Figure 1 and Figure 4 the end of the support arm 5 away from the rotating shaft 4 is provided with a rod slot 12, and a reinforcing rod 13 is movably inserted into the rod slot 12. The end of the reinforcing rod 13 extending out of the rod slot 12 is fixedly connected to the moving block 9. Under the action of the reinforcing rod 13, the moving block 9 can move more stably.

[0025] In order to install the support column 3 on the top of the rotating base 2, as shown in Figure 1 and Figure 2 the bottom end of the support column 3 is provided with a plurality of bolts threadedly connected to the rotating base 2. The bottom end of the support column 3 can be fixedly installed on the rotating base 2 through the plurality of bolts.

[0026] Finally, in order to adjust the inclination angle of the support arm 5, as shown in Figure 1 the two ends of the first hydraulic rod 8 are rotatably connected to the first fixed part 6 and the second fixed part 7, respectively. The inclination angle of the support arm 5 can be adjusted by the extension and contraction of the first hydraulic rod 8.

[0027] The above only describes some exemplary embodiments of the present application by way of illustration. It is not necessary to modify the described embodiments in various ways without deviating from the spirit and scope of the present application for ordinary skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A rotating boom structure of a sanitation vehicle, comprising a circular ring-shaped fixed base (1) and a rotating base (2), characterized in that: The rotating base (2) is rotatably installed between the fixed base (1), a supporting column (3) is installed on the top of the rotating base (2), a notch is formed in the top end of the supporting column (3), a rotating shaft (4) is fixedly installed in the notch, a supporting arm (5) is rotatably installed on the rotating shaft (4) and sleeved with the rotating shaft (4), the supporting arm (5) is fixedly installed with a second fixing part (7) at the bottom, a first fixing part (6) is fixedly installed on the bottom of the side wall of the supporting column (3), a first hydraulic rod (8) is movably connected between the first fixing part (6) and the second fixing part (7), an annular groove is formed in the inner wall of the fixed base (1), a rotating plate (21) is fixedly installed in the annular groove at the bottom of the rotating base (2), a recess is formed in the top of the fixed base (1), and a supporting rod (14) is fixedly installed at each of the four corners of the side wall of the supporting column (3) and extends into the recess.

2. The rotating boom structure for a sanitation vehicle of claim 1, wherein: A first semicircular groove (15) is formed in the bottom end of each supporting rod (14), a first rotatable ball (16) is arranged in each first semicircular groove (15), a second semicircular groove (17) is formed in the outer side of the bottom end of the side wall of each supporting rod (14), a second rotatable ball (18) is arranged in each second semicircular groove (17), a first sliding groove (19) is formed in the bottom of the recess of the top of the fixed base (1), a second sliding groove (20) is formed in the side wall of the recess, the first balls (16) at the bottom ends of the four supporting rods (14) are slidably installed in the first sliding groove (19), and the second balls (18) at the side walls of the four supporting rods (14) are slidably installed in the second sliding groove (20).

3. The rotating boom structure for a sanitation vehicle of claim 1, wherein: A moving block (9) is arranged at the end of the supporting arm (5) away from the rotating shaft (4), a fixed block (10) is fixedly installed on both sides of the moving block (9), a second hydraulic rod (11) is fixedly installed on both sides of each supporting arm (5), and the telescopic ends of the two second hydraulic rods (11) are fixedly connected to the fixed blocks (10).

4. The rotating boom structure for a sanitation vehicle of claim 1, wherein: A rod groove (12) is formed in the end of the supporting arm (5) away from the rotating shaft (4), a reinforcing rod (13) is movably inserted into the rod groove (12), and the end of the reinforcing rod (13) extending out of the rod groove (12) is fixedly connected to the moving block (9).

5. The rotating boom structure for a sanitation vehicle of claim 1, wherein: A plurality of bolts are arranged at the bottom end of the supporting column (3) and are threadedly connected with the rotating base (2).

6. The sanitation vehicle swivel arm structure of claim 1, wherein: The two ends of the first hydraulic rod (8) are rotatably connected to the first fixing part (6) and the second fixing part (7).

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