Agricultural machine cab with protective structure

Abstract

The agricultural machine cab with the protection structure comprises a base, the base is connected with a protection piece, and the protection piece comprises a bridge body installed in the middle of the upper side of the base; the adjusting part is installed on the base and used for adjusting the rearview assembly, the adjusting part comprises a protective shell which covers the outer side of the bridge body and is in sliding connection with the base, an observation groove internally provided with tempered glass is formed in the front side of the protective shell, and a rearview part used for observing a scene on the rear side of the agricultural machine is installed on the upper side of the protective shell. The utility model relates to the technical field of agricultural machine cabs. According to the agricultural machine cab with the protection structure, the protection shell, the second motor, the worm and gear assembly, the sleeve, the electric push rod, the supporting block, the cross shaft, the extension rod and the cleaning brush are matched with one another, angle and height adjustment of the rearview mirror is achieved, the agricultural machine cab has the function of cleaning the rearview mirror, and a user does not need to stretch the hand out of a window to adjust the angle of the rearview mirror.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery cab technical field, concretely is agricultural machinery cab with protection structure. BACKGROUND

[0002] In the agricultural machinery cab, in order to protect the safety of the driver, the corresponding protection structure needs to be equipped, and reference is made to the authorized announcement No. CN222496480U, an agricultural machinery cab with protection structure, which comprises a bottom plate, a side plate is installed at the top of the bottom plate, a door body is installed at one end of the side plate, a tempered glass is installed at one side of the side plate, a windshield is installed at one side of the tempered glass, so that the replacement of the protective steel plate after damage is more convenient and fast, and the protection of the agricultural machinery cab can also be improved, thereby greatly improving the safety of the agricultural machinery cab during use. As described in the above patent, when the existing agricultural machinery cab with protection structure is used, the rearview mirror on the outside of the device protection end mostly needs to be manually adjusted in angle and manually cleaned in surface attached stains by the user, which can easily cause safety hazards and increase cleaning steps, and it is difficult to adjust the height of the rearview mirror according to the needs, which affects the observation range of the rearview mirror. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides an agricultural machinery cab with protection structure, which solves the problems of poor adjustability of the rearview mirror end of the device and difficulty in self-cleaning.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: an agricultural machinery cab with protection structure, comprising a base, the base is connected with a protection piece for protecting the agricultural machinery cab, the protection piece comprises:

[0005] A driving platform main body is installed on the upper middle part of the base for agricultural machinery control and processing.

[0006] An adjusting piece is installed on the base for rearview assembly adjustment and processing, the adjusting piece comprises a protection shell which is covered outside the driving platform main body and is slidingly connected with the base, an observation groove with built-in tempered glass is arranged on the front side of the protection shell, a rearview piece for observing the scene behind the agricultural machinery is installed on the upper side of the protection shell, the rearview piece comprises two groups of sleeves which are rotatably connected on both sides of the top of the protection shell, a cross shaft is vertically and slidingly connected in the middle part of the sleeve, an elongated rod is installed on the top of the cross shaft close to the outside of the protection shell, a rearview mirror is installed on the bottom of the elongated rod away from the side of the protection shell, an electric push rod for adjusting the height of the cross shaft is installed on the inside of the protection shell, a worm and gear assembly for adjusting the angle of the rearview mirror is connected on the outside of the sleeve, and a second motor for driving the worm and gear assembly to operate is installed on the inner top of the protection shell.

[0007] A locking piece is installed on the base for locking the protection shell.

[0008] Preferably, the front end and the rear end of the upper side of the base are respectively provided with a set of limiting strips slidably connected with the two sides of the protective shell, the locking member comprises two sets of locking frames slidably connected with the base, a plurality of locking rods are installed on the locking frames close to the end of the protective shell, a pair of bidirectional screws are rotatably connected with the inside of the base along the X axis and are respectively threadedly connected with the two sets of locking frames, a bevel gear assembly is installed on the right side of the driver's cab body close to the bidirectional screws, and a first motor is installed on the inside of the base close to the protective shell and used for driving the bevel gear assembly to operate.

[0009] Preferably, the bottom of the locking frame is provided with two sets of protrusions slidably connected with the base, a plurality of locking grooves are arranged on the lower side of the protective shell and correspond to the locking rods, the driving bevel gear in the bevel gear assembly is fixedly connected with the output end of the first motor in a same axis, the driven bevel gear in the bevel gear assembly is fixedly connected with the bidirectional screw in a same axis, and the bidirectional screw is made of stainless steel.

[0010] Preferably, the adjusting member further comprises a cleaning brush installed on the two ends of the outer side of the protective shell and close to the rearview mirror, the output end of the second motor is fixedly connected with the worm in the worm and gear assembly in a same axis, and the worm gear in the worm and gear assembly is fixedly connected with the sleeve in a same axis.

[0011] Preferably, the sleeve is provided with a cross groove slidably connected with the cross shaft, and the rearview member further comprises a supporting block installed on the elongated end of the top of the electric push rod.

[0012] Preferably, the adjusting member further comprises side doors arranged on the two sides of the protective shell, the driver's cab body is located between the two sets of side doors, and the adjusting member further comprises a plurality of lifting rings installed on the top of the protective shell. Beneficial effects

[0013] The utility model provides a kind of agricultural machinery cab with protective structure.Compared with prior art, it has the following beneficial effects:

[0014] 1、The agricultural machinery cab with protective structure, by setting adjusting member in device, let protective shell, second motor, worm and gear assembly, sleeve, electric push rod, supporting block, cross shaft, elongated rod, cleaning brush cooperate with each other, respectively realize the angle, height adjustment of rearview mirror, and have the cleaning function of rearview mirror, without user's hand to reach out of the window to adjust the angle of rearview mirror, and by height adjustment, improve the observation range of rearview mirror, without user's manual cleaning rearview mirror.

[0015] 2. The agricultural machine cab with a protective structure, by setting the locking piece in the device, the external crane is matched with the array of lifting rings on the protective shell, the whole adjusting piece is placed between the two groups of limiting strips on the base, and the protective shell cover is arranged outside the driver's stand main body, the first motor is matched with the bidirectional screw rod to adjust the distance between the two groups of locking frames, the locking rods in the two groups of locking frames are inserted into the bottom edge of the protective shell, the locking of the protective shell is realized, and then the quick installation of the agricultural machine main body and the adjusting piece for providing protection is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the utility model;

[0017] Figure 2 It is an enlarged view of the locking frame of the utility model;

[0018] Figure 3 It is an enlarged view of the rear view assembly of the utility model;

[0019] Figure 4 It is a perspective view of the utility model.

[0020] In the drawing: 1, base; 2, driver's stand main body; 3, locking piece; 31, first motor; 32, bevel gear assembly; 33, bidirectional screw rod; 34, locking frame; 4, adjusting piece; 41, protective shell; 42, lifting ring; 43, tempered glass; 44, rear view piece; 441, second motor; 442, worm gear assembly; 443, sleeve; 444, electric push rod; 445, support block; 446, cross shaft; 447, extension rod; 448, rearview mirror; 45, cleaning brush. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Referring to Figures 1-4 The utility model provides the following two technical schemes:

[0023] The first embodiment: an agricultural machine cab with a protective structure, comprising a base 1, the base 1 is connected with a protective piece for the protection of agricultural machine cab, and the protective piece comprises: a driver's stand main body 2, installed on the upper side of the base 1 for agricultural machine control processing;

[0024] The adjusting part 4 is installed on the base 1 for the rear view component adjusting process, the adjusting part 4 includes the protective shell 41 which is covered outside the driver's cab body 2 and is in sliding connection with the base 1, the front side of the protective shell 41 is provided with the observation groove with the built-in tempered glass 43, the upper side of the protective shell 41 is installed with the rear view part 44 for observing the scene behind the agricultural machine, the rear view part 44 includes two groups of sleeves 443 which are rotatably connected on the two sides of the top of the protective shell 41, the middle part of the sleeve 443 is in vertical sliding connection with the cross shaft 446, the top of the cross shaft 446 is installed with the elongated rod 447 close to the outside of the protective shell 41, the bottom of the elongated rod 447 is installed with the rear view mirror 448 away from the side of the protective shell 41, the inside of the protective shell 41 is installed with the electric push rod 444 for adjusting the height of the cross shaft 446, the outside of the sleeve 443 is connected with the worm and gear assembly 442 for adjusting the angle of the rear view mirror 448, the inner top of the protective shell 41 is installed with the second motor 441 for driving the worm and gear assembly 442 to work;

[0025] The locking part 3 is installed on the base 1 for locking the protective shell 41, the adjusting part 4 further includes the cleaning brush 45 which is installed on the both ends outside the protective shell 41 and is close to the rear view mirror 448, the output end of the second motor 441 is coaxially fixedly connected with the worm in the worm and gear assembly 442, the worm wheel in the worm and gear assembly 442 is coaxially fixedly connected with the sleeve 443; the cross groove in sliding connection with the cross shaft 446 is arranged in the sleeve 443, the rear view part 44 further includes the supporting block 445 which is installed on the elongated end of the top of the electric push rod 444, the bottom of the cross shaft 446 is installed with the anti-coming-off block which is rotatably connected with the inside of the supporting block 445; the adjusting part 4 further includes the side doors which are arranged on the both sides of the protective shell 41, the driver's cab body 2 is located between the two groups of side doors, the adjusting part 4 further includes the series of lifting rings 42 which are installed on the top of the protective shell 41; the protective shell 41, the second motor 441, the worm and gear assembly 442, the sleeve 443, the electric push rod 444, the supporting block 445, the cross shaft 446, the elongated rod 447 and the cleaning brush 45 are matched with each other to respectively realize the angle and height adjustment of the rear view mirror 448 and have the cleaning function of the rear view mirror 448;

[0026] The second embodiment is mainly different from the first embodiment in that:

[0027] The front end and the rear end of the upper side of the base 1 are respectively provided with a group of limiting strips which are in sliding connection with the both sides of the protective shell 41, the locking part 3 includes two groups of locking frames 34 which are in sliding connection on the base 1, the locking frames 34 are installed with a series of locking rods close to the end of the protective shell 41, the inside of the base 1 is rotatably connected with the bidirectional screw rod 33 which is in screw connection with the two groups of locking frames 34 respectively, the bidirectional screw rod 33 is installed with the bevel gear assembly 32 close to the right side of the driver's cab body 2, the inside of the base 1 close to the protective shell 41 is installed with the first motor 31 for driving the bevel gear assembly 32 to work, the first motor 31, the second motor 441 and the electric push rod 444 are electrically connected with the driver's cab body 2;

[0028] The bottom of the locking frame 34 is provided with two groups of protrusions in sliding connection with the base 1, and the bottom of the protective shell 41 is provided with a plurality of locking grooves corresponding to the locking rods. The driving bevel gear in the bevel gear assembly 32 is coaxially fixedly connected with the output end of the first motor 31, and the driven bevel gear in the bevel gear assembly 32 is coaxially fixedly connected with the bidirectional screw rod 33. The bidirectional screw rod 33 is made of stainless steel. The first motor 31 and the second motor 441 are both servo motors. The adjusting piece 4 is placed between the two groups of limiting strips on the base 1 by cooperation of the external crane and the plurality of lifting rings 42 on the protective shell 41, and the protective shell 41 is arranged outside the driver's cab main body 2. The distance between the two groups of locking frames 34 is adjusted by cooperation of the first motor 31 and the bidirectional screw rod 33, so that the locking rods in the two groups of locking frames 34 are inserted into the edges of the bottom of the protective shell 41, and the locking of the protective shell 41 is realized.

[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0030] In use, the user opens the side door on the side of the protective shell 41 to enter the protective shell 41. When sitting on the seat, the agricultural machine is controlled and processed by the driver's cab main body 2. At this time, the specific structure and working principle of the driver's cab main body 2 are not described again. In this process, the front side scene of the agricultural machine is observed through the tempered glass 43, and the rear scene of the agricultural machine is observed through the two groups of rearview mirrors 448. The second motor 441 and the worm gear assembly 442 are cooperated to drive the sleeve 443, the cross shaft 446, the extension rod 447 and the rearview mirror 448 to rotate. After the rearview mirror 448 is rotated to an appropriate angle, the height of the support block 445, the cross shaft 446, the extension rod 447 and the rearview mirror 448 is adjusted by the electric push rod 444 to improve the observation range of the rearview mirror 448. When it is necessary to clean the rearview mirror 448, the angle of the rearview mirror 448 is adjusted to be close to the end of the cleaning brush 45, and the height of the rearview mirror 448 is adjusted. When the rearview mirror 448 passes through the cleaning brush 45, the bristle section of the cleaning brush 45 cleans the surface of the rearview mirror 448.

[0031] It should be noted that, in the present document, the terms such as first and second, etc. are used merely to differentiate one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cab for agricultural machinery with a protective structure, comprising a base (1), characterized in that: The base (1) is connected to a protective component for protecting the cab of agricultural machinery, the protective component comprising: The main body of the control platform (2) is installed on the upper middle part of the base (1) for agricultural machinery operation; An adjustment component (4) is installed on the base (1) for adjusting the rearview assembly. The adjustment component (4) includes a protective shell (41) that covers the outside of the main body (2) of the cab and is slidably connected to the base (1). The front of the protective shell (41) is provided with an observation slot with a built-in tempered glass (43). A rearview component (44) for observing the scene behind the agricultural machinery is installed on the upper side of the protective shell (41). The rearview component (44) includes two sets of sleeves (443) that are rotatably connected to the top two sides of the protective shell (41). A cross shaft (446) is vertically slidably connected in the middle of the sleeves (443). An extension rod (447) is installed on the top of the cross shaft (446) near the outside of the protective shell (41). A rearview mirror (448) is installed on the bottom of the extension rod (447) away from the protective shell (41). An electric push rod (444) for adjusting the height of the cross shaft (446) is installed on the inside of the protective shell (41). A worm gear assembly (442) for adjusting the angle of the rearview mirror (448) is connected to the outside of the sleeve (443). A second motor (441) for driving the worm gear assembly (442) is installed on the top inside the protective shell (41). Locking element (3) is mounted on base (1) to lock the protective shell (41).

2. The agricultural machinery cab with a protective structure according to claim 1, characterized in that: The front and rear ends of the upper side of the base (1) are respectively provided with a set of limiting strips that are slidably connected to both sides of the protective shell (41). The locking component (3) includes two sets of locking frames (34) slidably connected to the base (1). The locking frame (34) is equipped with a set of locking rods near the end of the protective shell (41). The inner side of the base (1) is rotatably connected along the X-axis with a bidirectional screw (33) that is threadedly connected to the two sets of locking frames (34). The bidirectional screw (33) is equipped with a bevel gear assembly (32) near the right side of the main body (2) of the driver's cab. The base (1) is equipped with a first motor (31) for driving the bevel gear assembly (32) to operate near the inner side of the protective shell (41).

3. The agricultural machinery cab with a protective structure according to claim 2, characterized in that: The bottom sides of the locking frame (34) are provided with two sets of protrusions that are slidably connected to the base (1). The lower side of the protective shell (41) is provided with a set of locking grooves corresponding to the locking rod. The active bevel gear in the bevel gear assembly (32) is coaxially fixedly connected to the output end of the first motor (31). The driven bevel gear in the bevel gear assembly (32) is coaxially fixedly connected to the bidirectional screw (33). The bidirectional screw (33) is made of stainless steel.

4. The agricultural machinery cab with a protective structure according to claim 1, characterized in that: The adjusting component (4) also includes a cleaning brush (45) installed on both ends of the outer side of the protective shell (41) and close to the rearview mirror (448). The output end of the second motor (441) is coaxially and fixedly connected to the worm inside the worm gear assembly (442). The worm gear inside the worm gear assembly (442) is coaxially and fixedly connected to the sleeve (443).

5. The agricultural machinery cab with a protective structure according to claim 1, characterized in that: The sleeve (443) is provided with a cross groove that is slidably connected to the cross shaft (446). The rear view member (44) also includes a support block (445) installed at the top extension end of the electric push rod (444). The bottom of the cross shaft (446) is provided with an anti-detachment block that is rotatably connected to the inside of the support block (445).

6. The agricultural machinery cab with a protective structure according to claim 1, characterized in that: The adjusting component (4) also includes side doors on both sides of the protective shell (41), the main body of the driver's cab (2) is located between the two sets of side doors, and the adjusting component (4) also includes an array of hanging rings (42) installed on the top of the protective shell (41).

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