Compressor tensioning wheel mechanism on rotary cultivator

Abstract

A compressor tensioning wheel mechanism on a rotary cultivator comprises a tensioning wheel, an L-shaped arm, a tension spring, an adjusting screw rod and a fixing base, the tensioning wheel is arranged at one end of the L-shaped arm, the middle of the L-shaped arm is hinged to the fixing base, a hole is formed in the other end of the L-shaped arm and connected to one end of the tension spring, and the adjusting screw rod is connected to the adjusting screw rod. The other end of the tension spring is connected to a connecting hole formed in the head of an adjusting screw rod, the rod portion of the adjusting screw rod is fixed to a fixing base, and the fixing base is fixed to the upper portion of the compressor through a bolt. The fixing seat is connected above the compressor through the bolt, then the middle of the L-shaped arm is rotatably connected with the fixing seat to enable the L-shaped arm to rotate freely, one end of the L-shaped arm is tensioned through the tension spring and the adjusting screw rod, and the other end of the L-shaped arm is connected with the tensioning wheel and abuts against the belt. The problem that refrigeration work is affected due to the fact that the rotation effect of a belt becomes poor due to belt looseness caused by deviation of a compressor base is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary cultivator technical field, concretely relates to a compressor tension pulley mechanism on rotary cultivator. BACKGROUND

[0002] With the development of the domestic rotary cultivator market, the market demand for rotary cultivator is also higher and higher. Generally speaking, the rotary cultivator has a cab model and a sunny and rainy canopy model, and the rotary cultivator of the cab model has high requirements for the sealing effect of the cab and certain requirements for indoor refrigeration. At present, when most rotary cultivators are running, the engine drives the compressor to work, and the compressor base will have a certain deviation, so that the rotating effect of the belt will be poor, affecting the refrigeration work of the compressor.

[0003] Therefore, the utility model designs a compressor tension pulley mechanism on rotary cultivator, increases the tension pulley structure, even if the base has a deviation, the belt will be subjected to tension, so as to play the role of the belt. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems in the prior art. Therefore, the purpose of the utility model is to provide a compressor tension pulley mechanism on rotary cultivator, so as to solve the technical problem that the belt is loose due to the deviation of the compressor base, the rotating effect is poor, and the refrigeration work is affected.

[0005] The utility model is realized through the following technical schemes:

[0006] A compressor tension pulley mechanism on rotary cultivator, including tension pulley, L arm, tension spring, adjusting screw and fixed base, one end of L arm is fixed with wheel shaft, tension pulley is equipped on the wheel shaft through bearing and shaft with retainer, the belt between tension pulley and driving wheel is matched and arranged, the middle part of L arm is hinged on fixed base, the other end of L arm is equipped with hole and is connected to one end of tension spring, the other end of tension spring is connected to the connecting hole that is set up on the head of adjusting screw, the rod part of adjusting screw is fixed on fixed base, the fixed base is fixed on the upper part of compressor through bolt.

[0007] Preferably, the middle part of the L-shaped arm is provided with a shaft, and a corresponding slot is provided on the fixed base, the shaft is rotatably connected in the slot through a sliding bearing, and is axially fixed by a bolt and a washer.

[0008] Preferably, the rod part of the adjusting screw passes through the fixed lug on the fixed base, and after the adjusting rod passes through the fixed lug to the appropriate position, it is fastened by double nuts.

[0009] Preferably, the tension pulley abuts on the outer surface of the belt between the driving wheels.

[0010] Compared with the prior art, the utility model has the beneficial effects that

[0011] The utility model discloses a fixed seat is connected with the upper compressor through bolt, then the middle part of L -shaped arm is rotatoryly connected with the fixed seat and makes it freely rotate, is tight in the one end of L -shaped arm with tension spring and adjusting screw, is combined with the other end and the tension pulley, and the tension pulley is supported on the belt, and the space can be saved while playing the effect of tightening the belt, the problem that the refrigeration work is influenced because the rotation effect is changed due to the belt relaxation caused by the compressor base deviation is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Fig. 1 It is the structure diagram of the compressor tension pulley mechanism on the rotary cultivator of the utility model.

[0014] Fig. 2 It is the top view of the compressor tension pulley mechanism on the rotary cultivator of the utility model.

[0015] Fig. 3 It is the structure diagram of the adjusting screw of the utility model.

[0016] Among them, the tension pulley 1, L-shaped arm 2, tension spring 3, adjusting screw 4, connecting hole 401, fixed seat 5, slot 501, fixed lug 502, wheel shaft 6, bearing 7, shaft baffle 8, driving wheel 9, belt 10, shaft 11, sliding bearing 12, washer 13, double nut 14, bolt 15. DETAILED DESCRIPTION

[0017] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] The technical scheme of the utility model will be further described below in combination with the drawings. Figs. 1-3A tensioner mechanism of a compressor on a rotary cultivator is shown, which comprises a tensioner 1, an L-shaped arm 2, a tension spring 3, an adjusting screw 4 and a fixing base 5, one end of the L-shaped arm 2 is fixed with an axle 6, the tensioner 1 is arranged on the axle 6 through a bearing 7 and an axle retaining ring 8, a belt 10 is arranged between the tensioner 1 and a driving wheel 9 in cooperation, the middle part of the L-shaped arm 2 is hinged to the fixing base 5, the other end of the L-shaped arm 2 is provided with a hole and connected to one end of the tension spring 3, the other end of the tension spring 3 is connected to a connecting hole 401 arranged on the head of the adjusting screw 4, the rod of the adjusting screw 4 is fixed to the fixing base 5, and the fixing base 5 is fixed to the upper part of the compressor through a bolt 15. The other end of the L-shaped arm 2 is moved and adjusted to a suitable position by the tension spring 3 and the adjusting screw 4, thus the one end of the L-shaped arm 2 is correspondingly displaced, and the tensioner connected to the one end of the L-shaped arm 2 makes the belt 10 more compact, thereby achieving the tensioning effect.

[0019] In order to make the L-shaped arm 2 rotate flexibly, an axle 11 is arranged at the middle part of the L-shaped arm 2, Fig. 2 a slot 501 is correspondingly arranged on the fixing base 5, the axle 11 is rotatably connected to the slot 501 through a sliding bearing 12, and is axially fixed by the bolt 15 and a washer 13.

[0020] When the base of the compressor is offset to cause the belt 10 to be loose, in order to adjust the tensioning degree of the belt 10, the rod of the adjusting screw 4 is passed through a fixing lug 502 on the fixing base 5, and is fastened by the double nuts 14 after the rod is passed through the fixing lug 502 to a suitable position.

[0021] The tensioner 1 is arranged on the belt 10 between the driving wheels 9. In order to facilitate the tensioner 1 to be arranged on the path of the belt, preferably, the tensioner 1 is arranged on the outer surface of the belt 10 between the driving wheels 9.

[0022] The working principle of the utility model is as follows:

[0023] The fixing base 5 is connected with the hole on the upper part of the compressor through a bolt, the fixing base 5 and the middle part of the L-shaped arm 2 are connected by the sliding bearing 12 and the bolt, so that the L-shaped arm 2 can rotate flexibly, the tensioner 1 and the end of the L-shaped arm 2 are positioned by the bearing 7 and the axle retaining ring 8, the upper end of the L-shaped arm 2 is connected with the fixing base 5 by the tension spring 3 and the adjusting screw 4, thereby achieving the effect of tensioning the belt, after the rod of the adjusting screw 4 is passed through the fixing lug 502, the rod is adjusted to a suitable position, and then is fastened by the double nuts 14.

[0024] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, 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.

Claims

1. A compressor tensioner mechanism on a rotary tiller, characterized by: It includes tension wheel (1), L-shaped arm (2), tension spring (3), adjusting screw (4) and fixed seat (5), one end of the L-shaped arm (2) is fixed with wheel shaft (6), the tension wheel (1) is arranged on the wheel shaft (6) through bearing (7) and shaft with retainer (8), the belt (10) between the tension wheel (1) and driving wheel (9) is matched, the middle part of the L-shaped arm (2) is hinged on the fixed seat (5), the other end of the L-shaped arm (2) is provided with a hole and is connected to one end of the tension spring (3), the other end of the tension spring (3) is connected to the connecting hole (401) arranged on the head of the adjusting screw (4), the rod of the adjusting screw (4) is fixed on the fixed seat (5), and the fixed seat (5) is fixed on the upper part of the compressor through bolt (15).

2. The compressor-tensioner wheel mechanism on a rotary tiller of claim 1, wherein: The middle part of the L-shaped arm (2) is provided with plug shaft (11), the fixed seat (5) is correspondingly provided with insertion slot (501), the plug shaft (11) is rotatably connected in the insertion slot (501) through sliding bearing (12), and is axially fixed through bolt (15) and washer (13).

3. The compressor-tensioner wheel mechanism on a rotary tiller of claim 1, wherein: The rod of the adjusting screw (4) passes through the fixed lug (502) on the fixed seat (5), after the adjusting rod (4) passes through the fixed lug (502) to the appropriate position, it is fastened through double nut (14).

4. The compressor-tensioner wheel mechanism on a rotary tiller of claim 1, wherein: The tension wheel (1) is against the outer surface of the belt (10) between the driving wheel (9).

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