Steering column mounting bracket and motor sweeper with same

Abstract

The utility model belongs to the technical field of vehicle steering, and discloses a steering column mounting bracket and a motor sweeper with the same. The steering column installation support comprises a first fixing support installed on a cab floor and a second fixing support used for being connected with a steering column, and the second fixing support is rotationally connected with the first fixing support so as to adjust the angle of the steering column. The first fixing support is provided with an arc-shaped adjusting hole, the second fixing support is provided with a threaded hole corresponding to the arc-shaped adjusting hole, and the adjusting bolt penetrates through the arc-shaped adjusting hole and is connected with the threaded hole. According to the steering column mounting bracket, the angle of the steering column can be adjusted while the steering column is reliably mounted, the structure is simple, and the angle adjustment is convenient and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle steering technical field especially, a kind of steering column mounting bracket and cleaning vehicle with it. BACKGROUND

[0002] With the development of economy and the improvement of labor cost, the main road cleaning of city is generally realized mechanization operation, and cleaning vehicle is used to clean road surface in the process of road cleaning. Cleaning vehicle collects road garbage into garbage can by the action principle of sweeping disc mechanical cleaning or suction pipe air suction, to achieve the purpose of road cleaning.

[0003] For the cleaning vehicle with manual driving mode, steering column structure needs to be configured. At present, steering column is generally fixed on the floor of cab by mounting bracket, but the mounting bracket structure for fixing steering column of traditional cleaning vehicle is relatively complex, and the installation difficulty and occupied space are larger, and the adjustment of steering column is not flexible enough.

[0004] Therefore, it is urgent to provide a kind of steering column mounting bracket and cleaning vehicle with it to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] According to one aspect of the utility model, the utility model provides a kind of steering column mounting bracket, can adjust the angle of steering column while reliably installing steering column, and structure is simple, angle adjustment is convenient, reliable.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Steering column mounting bracket, including the first fixed support of installation on the floor of cab and the second fixed support for being connected with steering column, the second fixed support is rotationally connected with the first fixed support to adjust the angle of steering column;

[0008] Arc-shaped adjustment hole is equipped on the first fixed support, and threaded hole corresponding to the arc-shaped adjustment hole is equipped on the second fixed support, and adjusting bolt is connected in the arc-shaped adjustment hole and the threaded hole.

[0009] Optionally, the steering column mounting bracket further includes a handle, the handle includes a connecting portion and a rotating arm connected to the connecting portion, the connecting portion is provided with a connecting slot, the connecting slot is inserted with the head of the adjusting bolt, and the rotating arm extends along the radial direction of the connecting slot.

[0010] Optionally, the first fixed support comprises a main frame body in a square cylinder structure, a bottom end of the main frame body is provided with an annular flange for connecting with the cab floor, and one end of the second fixed support is located in a top end of the main frame body and is provided with two oppositely arranged side plates which are rotationally connected to the side walls of the main frame body.

[0011] Optionally, the main frame body is provided with first connecting holes on the two corresponding side walls, connecting sleeves are arranged in the first connecting holes, the connecting sleeves are provided with gaskets at one end away from the side plates, the side plates are provided with second connecting holes which are arranged one by one corresponding to the center holes of the connecting sleeves, and a pin shaft is arranged in the corresponding second connecting holes, center holes and gaskets, a snap ring is mounted on a tail portion of the pin shaft close to the gasket, and the snap ring presses the gasket against the connecting sleeve.

[0012] Optionally, a lubricating bushing is mounted in the center hole, the lubricating bushing is sleeved outside the pin shaft, and one end of the lubricating bushing abuts against the side plate.

[0013] Optionally, the main frame body is provided with the arc-shaped adjusting hole on one side wall rotationally connected with the side plate, the side plate is provided with an angle adjusting portion corresponding to the arc-shaped adjusting hole, the angle adjusting portion is provided with a through hole, a connecting column is mounted in the through hole, the connecting column is provided with the threaded hole penetrating therethrough, and one end of the connecting column abuts against the side wall of the main frame body.

[0014] Optionally, the main frame body is provided with an avoiding opening on a side wall not rotationally connected with the side plate, the avoiding opening is oppositely arranged with the second fixed support, and the avoiding opening is used for avoiding the second fixed support.

[0015] Optionally, the second fixed support is provided with first connecting lugs on opposite sides of the other end, the first connecting lugs are provided with first mounting holes, the steering column is provided with second connecting lugs corresponding one by one to the first connecting lugs, the second connecting lugs are provided with second mounting holes, and a locking bolt is arranged in the corresponding first mounting holes and second mounting holes and connected with a locking nut.

[0016] Optionally, the first mounting hole is a long strip-shaped hole extending along the length direction of the second fixed support, and the position of the locking bolt in the long strip-shaped hole is adjustable to adjust the height of the steering column.

[0017] According to another aspect of the utility model, the utility model also provides a cleaning vehicle, including cab, steering column and the steering column mounting support of any one of the above technical schemes, the steering column mounting support is used for installing the steering column on the cab floor of the cab.

[0018] The utility model discloses a beneficial effect:

[0019] The utility model provides a steering column mounting support, including the first fixed support and second fixed support of rotation connection, when using, the first fixed support is installed on the cab floor, and the second fixed support is connected with the steering column, and, be equipped with the arc adjusting hole on the first fixed support, be equipped with the threaded hole on the second fixed support, and the arc adjusting hole is connected with the threaded hole with the adjusting bolt. Make through the screw adjusting bolt can realize the locking and the unlocking between the second fixed support and the first fixed support, further realize the locking and the adjustment of the steering column angle, make the adjustment of the steering column angle convenient, reliable, and simple structure, convenient to assemble, and the cost is lower.

[0020] The utility model also provides a cleaning vehicle, including cab, steering column and above-mentioned steering column mounting support. The cleaning vehicle because adopted above-mentioned steering column mounting support, make the adjustment of the steering column convenient, reliable, and simple structure, convenient to assemble, and the cost is lower. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will be to the utility model embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to the content of the utility model embodiment and these drawings.

[0022] Figure 1 It is the assembly drawing of the steering column mounting support, steering column and cab floor provided by the utility model embodiment;

[0023] Figure 2 It is the structure schematic view of the steering column mounting support provided by the utility model embodiment;

[0024] Figure 3 It is Figure 1 The enlarged view at A;

[0025] Figure 4 It is the structure schematic view of the first fixed support provided by the utility model embodiment;

[0026] Figure 5 It is the structure schematic view of the second fixed support provided by the utility model embodiment;

[0027] Figure 6 It is the sectional view of the steering column mounting support provided by the utility model embodiment.

[0028] In the drawing:

[0029] 10, cab floor; 20, steering column; 21, second connecting lug;

[0030] 100, first fixing support; 110, main frame body; 111, arc-shaped adjusting hole; 112, avoiding opening; 120, annular flange; 130, connecting cylinder; 131, center hole; 140, gasket; 150, pin shaft; 160, snap ring; 170, lubricating bushing;

[0031] 200, second fixing support; 210, side plate; 211, second connecting hole; 212, angle adjusting part; 220, connecting column; 221, threaded hole; 230, first connecting lug; 231, first mounting hole; 240, locking bolt;

[0032] 300, adjusting bolt;

[0033] 400, handle; 410, connecting part; 420, rotating arm;

[0034] 500, protective sleeve. DETAILED DESCRIPTION

[0035] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description, not all the structures.

[0036] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0038] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0039] Example 1

[0040] This embodiment provides a steering column mounting bracket that can reliably install the steering column while adjusting its angle. It has a simple structure and the angle adjustment is convenient and reliable.

[0041] Specifically, such as Figures 1-5 As shown, the steering column mounting bracket includes a first fixed bracket 100 mounted on the cab floor 10 and a second fixed bracket 200 for connecting to the steering column 20. The second fixed bracket 200 is rotatably connected to the first fixed bracket 100 to adjust the angle of the steering column 20. Furthermore, the first fixed bracket 100 has an arc-shaped adjustment hole 111, and the second fixed bracket 200 has a threaded hole 221 corresponding to the arc-shaped adjustment hole 111. An adjusting bolt 300 passes through the arc-shaped adjustment hole 111 and is connected to the threaded hole 221.

[0042] The steering column mounting bracket provided in this embodiment forms a locking mechanism that locks the second fixed bracket 200 onto the first fixed bracket 100 through the arc-shaped adjustment hole 111 on the first fixed bracket 100, the threaded hole 221 on the second fixed bracket 200, and the adjustment bolt 300.

[0043] The method for adjusting the angle of the steering column 20 using this steering column mounting bracket is as follows:

[0044] First, turn the adjusting bolt 300 in the first rotation direction to unscrew the adjusting bolt 300 from the threaded hole 221 to release the lock on the second fixed bracket 200.

[0045] Then, the operator manually rotates the steering column 20 to adjust it to the desired position and holds it there;

[0046] Finally, turn the adjusting bolt 300 along the second rotation direction so that the adjusting bolt 300 enters the threaded hole 221, and lock the second fixed bracket 200 onto the first fixed bracket 100 by adjusting the thread and the threaded hole 221, thus completing the adjustment of the angle of the steering column 20.

[0047] It is understandable that the first rotation direction is opposite to the second rotation direction.

[0048] The steering column mounting bracket provided by the embodiment can realize the locking and unlocking of the rotation of the second fixed bracket 200 relative to the first fixed bracket 100 by only screwing the adjusting bolt 300, and then realize the adjustment of the angle of the steering column 20, which is simple in operation, good in angle adjustment reliability, simple in structure, convenient in assembly and low in cost.

[0049] Further, continuing to refer to Figure 1 and Figure 3 , the steering column mounting bracket further comprises a handle 400, which is used to assist the operator in screwing the adjusting bolt 300, so as to reduce the difficulty of the angle adjustment of the steering column 20. Optionally, in the embodiment, the handle 400 comprises a connecting portion 410 and a rotating arm 420 connected with the connecting portion 410, the connecting portion 410 is provided with a connecting groove which is inserted with the head of the adjusting bolt 300, and the rotating arm 420 extends in the radial direction of the connecting groove. The operator can screw the adjusting bolt 300 through the rotating arm 420, which is convenient for the operator to hold and can reduce the force required by the operator to rotate the adjusting bolt 300, thereby greatly reducing the difficulty of the angle adjustment of the steering column 20. Furthermore, the handle 400 and the adjusting bolt 300 are connected in the form of insertion, which is simple in structure and convenient in assembly.

[0050] Further, continuing to refer to Figures 2-4 , the first fixed bracket 100 comprises a main bracket body 110 in the form of a square tube, and the bottom end of the main bracket body 110 is provided with an annular flange 120 which is used to be connected with the cab floor 10. One end of the second fixed bracket 200 is located in the top end of the main bracket body 110 and is provided with two oppositely arranged side plates 210 which are rotationally connected with the side walls of the main bracket body 110 corresponding thereto. The main bracket body 110 of the first fixed bracket 100 is arranged in the form of a square tube, which on the one hand enables the main bracket body 110 to accommodate the steering engine interface connected with the steering column 20, thereby improving the space utilization rate inside the sweeper; and on the other hand, while reducing the weight, the structure is high in stability, which is conducive to improving the stability of the installation of the steering column 20. The first fixed bracket 100 is installed on the cab floor 10 through the annular flange 120 at the bottom of the main bracket body 110, which is simple in structure and convenient in assembly. The opposite two side walls of the main bracket body 110 are rotationally connected with the two side plates 210 of the second fixed bracket 200, which is simple in structure and convenient in processing.

[0051] Optionally, the annular flange 120 can be fixed on the cab floor 10 in the form of bolt connection, which is high in strength of bolt connection and is conducive to improving the installation stability of the first fixed bracket 100, and is simple in structure and convenient in installation and disassembly.

[0052] Optionally, the second fixing support 200 can be of an integral structure, which is stable in structure and convenient to process and assemble.

[0053] Further, as shown in the drawings, in the embodiment, the main frame body 110 is provided with first connecting holes on two corresponding side walls, and connecting sleeves 130 are arranged in the first connecting holes. Figures 4-6 The side plates 210 are provided with second connecting holes 211 corresponding to the central holes 131 of the connecting sleeves 130, and the pin shafts 150 are arranged in the corresponding second connecting holes 211, central holes 131 and washers 140.

[0054] For the convenience of understanding, the assembly process between the first fixing support 100 and the second fixing support 200 will be briefly introduced as follows:

[0055] Firstly, the second fixing support 200 is moved into the top end of the first fixing support 100, and the two second connecting holes 211 on the two side plates 210 of the second fixing support 200 are made to correspond to the central holes 131 of the two connecting sleeves 130.

[0056] Then, two pin shafts 150 are prepared, and the tail end of each pin shaft 150 is sequentially arranged through the second connecting hole 211 and the central hole 131.

[0057] After that, the washer 140 is sleeved on the tail end of each pin shaft 150.

[0058] Finally, the snap ring 160 is installed on the tail end of each pin shaft 150.

[0059] The rotation connection between the second fixing support 200 and the first fixing support 100 is realized through the pin shaft 150 and the snap ring 160, which is simple in structure, convenient to assemble, and has good rotation smoothness.

[0060] Optionally, the tail end of the pin shaft 150 can be provided with an annular clamping groove, and the snap ring 160 is clamped in the annular clamping groove, which is convenient for the connection between the snap ring 160 and the pin shaft 150, reduces the risk of the snap ring 160 falling off, and improves the reliability of the rotation connection between the second fixing support 200 and the first fixing support 100.

[0061] Further, continuing to refer to Figure 6The lubricating bushing 170 is sleeved on the pin shaft 150 and abuts against the side plate 210. By arranging the lubricating bushing 170, on the one hand, the rotation of the pin shaft 150 is smooth; on the other hand, a gap is formed between the side wall of the corresponding first fixed support 100 and the side plate 210 of the second fixed support 200, so that the side plate 210 and the side wall are not rubbed against each other during the rotation of the second fixed support 200 relative to the first fixed support 100, thereby ensuring the smooth rotation and protecting the side plate 210 and the side wall.

[0062] Optionally, the lubricating bushing 170 is in interference fit with the central hole 131.

[0063] Optionally, the lubricating bushing 170 is an oil-free lubricating bushing.

[0064] Optionally, the pin shaft 150 is in interference fit with the second connecting hole 211.

[0065] Further, referring back to Figures 4-6 The side wall, on which the main frame body 110 is rotationally connected with the side plate 210, is provided with an arc-shaped adjusting hole 111, and the side plate 210 is provided with an angle adjusting part 212 corresponding to the arc-shaped adjusting hole 111. The angle adjusting part 212 is provided with a through hole, and a connecting column 220 is arranged in the through hole. The connecting column 220 is provided with a threaded hole 221 penetrating therethrough, and one end of the connecting column 220 abuts against the side wall of the main frame body 110. The angle adjusting part 212 is integrated on the side plate 210, which is beneficial to simplify the structure of the second fixed support 200. The connecting column 220 abuts against the side wall of the main frame body 110, so that a gap is formed between the side wall of the corresponding first fixed support 100 and the side plate 210 of the second fixed support 200, thereby avoiding the mutual friction between the side plate 210 and the side wall during the rotation of the second fixed support 200 relative to the first fixed support 100, ensuring the smooth rotation and protecting the side plate 210 and the side wall.

[0066] Optionally, the angle adjusting part 212 and the side plate 210 are in one-piece structure, which is convenient to process.

[0067] Optionally, referring back to Figure 6 The adjusting bolt 300 is sleeved with a protective sleeve 500, and the protective sleeve 500 is located between the head of the adjusting bolt 300 and the first fixed support 100, so that the head of the adjusting bolt 300 is prevented from directly contacting the first fixed support 100 and scratching the first fixed support 100.

[0068] Further, referring back to Figure 2The main frame body 110 is not rotationally connected with the side plate 210, and an avoiding opening 112 is arranged on the side wall of the main frame body 110, the avoiding opening 112 is arranged opposite to the second fixing support 200, and is used for avoiding the second fixing support 200. By arranging the avoiding opening 112, the rotation of the second fixing support 200 is avoided by the side wall of the main frame body 110, which is beneficial to increase the rotation angle range of the second fixing support 200, and further increases the angle adjustment range of the steering column 20.

[0069] Further, continuing to refer to Figure 1 、 Figure 2 and Figure 5 , the opposite sides of the other end of the second fixing support 200 are provided with first connecting lugs 230, the first connecting lugs 230 are provided with first mounting holes 231, the steering column 20 is provided with second connecting lugs 21 corresponding to the first connecting lugs 230 one by one, the second connecting lugs 21 are provided with second mounting holes, and the locking bolt 240 is arranged in the corresponding first mounting hole 231 and the second mounting hole and connected with the locking nut. The connection between the second fixing support 200 and the steering column 20 is realized by the locking bolt 240 and the locking nut, which is simple in structure, convenient to assemble, and has good connection reliability.

[0070] Optionally, a plurality of first connecting lugs 230, such as two, three or the like, can be arranged on each side of the second fixing support 200, so as to improve the connection strength between the second fixing support 200 and the steering column 20.

[0071] Optionally, in a possible embodiment, the first mounting hole 231 can be arranged as an elongated hole extending along the length direction of the second fixing support 200, and the position of the locking bolt 240 in the elongated hole is adjustable, so that the height adjustment of the steering column 20 can be realized.

[0072] In order to facilitate understanding, the height adjustment method of the steering column 20 will be briefly introduced as follows:

[0073] Firstly, the locking bolt 240 and the locking nut are loosened, at this time, the locking bolt 240 can slide in the elongated hole;

[0074] Then, the operator moves the steering column 20, and keeps the steering column 20 in the required position after lifting or lowering the steering column 20 to the required position;

[0075] Finally, the locking bolt 240 and the locking nut are tightened, so that the steering column 20 is fixed at the position.

[0076] The height adjustment of the steering column 20 is realized by the cooperation of the locking bolt 240, the locking nut and the elongated hole, which is simple in structure, convenient and reliable in adjustment.

[0077] Embodiment two

[0078] The embodiment provides a cleaning vehicle, which comprises a cab, a steering column 20 and the steering column mounting bracket provided by the embodiment, and the steering column mounting bracket is used for mounting the steering column 20 on a cab floor 10 of the cab.

[0079] The cleaning vehicle is convenient and reliable in adjustment of the steering column 20, and has simple structure, is convenient to assemble and is low in cost.

[0080] Obviously, the above embodiment of the utility model is only for clear illustration of the utility model, and is not a limitation on the embodiment of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A steering column mounting bracket characterised in that, The steering column mounting bracket comprises a first fixed support (100) installed on the cab floor (10) and a second fixed support (200) used for connecting with the steering column (20), and the second fixed support (200) is rotationally connected with the first fixed support (100) to adjust the angle of the steering column (20). The first fixed support (100) is provided with an arc-shaped adjusting hole (111), and the second fixed support (200) is provided with a threaded hole (221) corresponding to the arc-shaped adjusting hole (111), and an adjusting bolt (300) is arranged in the arc-shaped adjusting hole (111) and connected with the threaded hole (221).

2. The steering column mounting bracket of claim 1, wherein The steering column mounting bracket further comprises a handle (400), and the handle (400) comprises a connecting portion (410) and a rotating arm (420) connected with the connecting portion (410), the connecting portion (410) is provided with a connecting groove, the connecting groove is inserted with the head of the adjusting bolt (300), and the rotating arm (420) extends along the radial direction of the connecting groove.

3. The steering column mounting bracket according to claim 1 or 2, characterized in that The first fixed support (100) comprises a main frame body (110) in a square cylindrical structure, the bottom end of the main frame body (110) is provided with an annular flange (120) used for connecting with the cab floor (10), and one end of the second fixed support (200) is located in the top end of the main frame body (110) and is provided with two oppositely arranged side plates (210), and the side plates (210) are rotationally connected with the side walls of the main frame body (110) corresponding thereto.

4. The steering column mounting bracket of claim 3, wherein The main frame body (110) is provided with a first connecting hole corresponding to the two side walls, a connecting cylinder (130) is arranged in the first connecting hole, the end of the connecting cylinder (130) away from the side plate (210) is provided with a gasket (140), the side plate (210) is provided with a second connecting hole (211), the second connecting hole (211) is arranged in one-to-one correspondence with the center hole (131) of the connecting cylinder (130), a pin shaft (150) is arranged in the corresponding second connecting hole (211), the center hole (131) and the gasket (140), a snap ring (160) is mounted on the tail of the pin shaft (150) close to the gasket (140), and the snap ring (160) presses the gasket (140) against the connecting cylinder (130).

5. The steering column mounting bracket of claim 4, wherein A lubricating bushing (170) is mounted in the center hole (131), the lubricating bushing (170) is sleeved outside the pin shaft (150), and one end of the lubricating bushing (170) abuts against the side plate (210).

6. The steering column mounting bracket of claim 3 wherein, The arc-shaped adjusting hole (111) is arranged on one side wall of the main frame body (110) which is rotationally connected with the side plate (210), the angle adjusting part (212) corresponding to the arc-shaped adjusting hole (111) is arranged on the side plate (210), the through hole is arranged on the angle adjusting part (212), the connecting column (220) is installed in the through hole, the threaded hole (221) penetrating through the connecting column (220) is arranged, and one end of the connecting column (220) abuts against the side wall of the main frame body (110).

7. The steering column mounting bracket of claim 3 wherein, The avoiding opening (112) is arranged on the side wall of the main frame body (110) which is not rotationally connected with the side plate (210), the avoiding opening (112) is arranged opposite to the second fixing support (200), and the second fixing support (200) is avoided.

8. The steering column mounting bracket of claim 3, wherein The first connecting lug (230) is arranged on the opposite sides of the other end of the second fixing support (200), the first mounting hole (231) is arranged on the first connecting lug (230), the second connecting lug (21) corresponding to the first connecting lug (230) is arranged on the steering column (20), the second mounting hole is arranged on the second connecting lug (21), and the locking bolt (240) is arranged in the corresponding first mounting hole (231) and the second mounting hole and connected with the locking nut.

9. The steering column mounting bracket of claim 8, wherein The first mounting hole (231) is a long strip-shaped hole extending along the length direction of the second fixing support (200), the position of the locking bolt (240) in the long strip-shaped hole is adjustable, and the height of the steering column (20) is adjusted.

10. A scrubber vehicle characterized by The steering column (20) is installed on the cab floor (10) of the cab by the steering column mounting support.

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