Knife rest structure

Abstract

The utility model relates to the technical field of crawler rotary cultivators, in particular to a knife rest structure which comprises a knife shaft and a plurality of connecting mechanisms, each connecting mechanism comprises a mounting ring, a plurality of first bolts, a plurality of blades and a plurality of fixing units, the knife shaft is provided with a plurality of threaded holes, the mounting ring is sleeved outside the knife shaft, the plurality of first bolts respectively penetrate through the mounting ring, and the plurality of first bolts penetrate through the fixing units. The multiple blades are arranged on the installation ring and matched with the corresponding threaded holes respectively, the multiple blades are connected with the corresponding fixing units respectively, and the multiple fixing units are arranged on the installation ring in a surrounding mode. The cutter shaft is installed on the rotary cultivator, when the cutter shaft needs to be detached and replaced, the cutter shaft is taken down firstly, then the first bolts are detached from the corresponding threaded holes respectively and then taken out, then the installation ring is taken out from the cutter shaft, and then damaged blades or the installation ring can be replaced and maintained. The maintenance cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a track rotary cultivator technical field especially relates to a tool rest structure. BACKGROUND

[0002] The track rotary cultivator is a kind of agricultural machinery equipment using track walking mechanism, mainly used for cultivation and soil treatment, and the track rotary cultivator is usually powered by internal combustion engine or motor, and the machine advances by the rotation of track, and soil breaking operation is carried out by the rotation of rotary cultivator blade.The compound motion enables the track rotary cultivator to efficiently loosen soil, improves soil structure, and provides good soil conditions for seeding and crop planting, and tool rest structure is an important component of rotary cultivator.

[0003] In the prior art, tool rest is usually composed of tool shaft, mounting ring and multiple blades, multiple blades are arranged on mounting ring respectively, then mounting ring is arranged on tool shaft, and tool shaft is arranged on rotary cultivator, to carry out soil and cultivation treatment, and tool rest rotates with tool shaft during the working process of track rotary cultivator.Blades cut soil during rotation, and soil clods are thrown to the rear, and after further crushing and flattening by mudguard and land leveling plate, fine and flat cultivation layer is formed, and the design and working principle of tool rest directly affect the soil breaking performance, operation efficiency and cultivation quality of rotary cultivator.

[0004] However, in the foregoing prior art, multiple blades are fixed on mounting ring and not easy to disassemble, and multiple blades form an integral whole with mounting ring, so when a small part of blades is damaged, the integral whole needs to be replaced, resulting in high maintenance cost. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a tool rest structure, solve the multiple blades in prior art fixed on mounting ring not easy to disassemble, and multiple blades form an integral whole with mounting ring, so when a small part of blades is damaged, the integral whole needs to be replaced, resulting in high maintenance cost Problem.

[0006] To achieve the above object, the utility model provides a tool rest structure, including tool shaft and multiple connecting mechanisms, each connecting mechanism includes mounting ring, multiple first bolts, multiple blades and multiple fixed units, the tool shaft has multiple threaded holes, the mounting ring is sleeved on the outside of the tool shaft, multiple first bolts pass through the mounting ring respectively and are adapted with corresponding threaded holes respectively, multiple blades are connected with corresponding fixed units respectively, and multiple fixed units are arranged on the mounting ring respectively.

[0007] Each connecting mechanism further includes positioning block, the tool shaft has positioning slot, the positioning block and the positioning slot slide and adapt, and the positioning block is fixedly connected with the inner wall of the mounting ring.

[0008] Each of the fixing units comprises two second bolts and an arc plate, the arc plate is arranged on the outer wall of the mounting ring, and the two second bolts pass through the arc plate and are located in the mounting ring.

[0009] Each of the connecting mechanisms further comprises an inclined supporting rod, which is fixedly connected with the blade and located on the inner wall of the blade.

[0010] The positioning groove is located at the front end of the blade shaft, and the mounting ring is in sliding fit with the blade shaft.

[0011] The utility model discloses a kind of knife rest structures, the blade shaft has multiple threaded holes, the mounting ring is set on the outside of the blade shaft, multiple first bolts pass through the mounting ring respectively, and are respectively matched with corresponding threaded hole, multiple blades are connected with corresponding fixing unit respectively, and multiple fixing units are respectively arranged on the mounting ring around.The blade shaft is installed on rotary cultivator, when needing to disassemble and replace, first, the blade shaft is taken down, then multiple first bolts are respectively disassembled from corresponding threaded hole, then it is taken out, then the mounting ring is taken out from the blade shaft, and then the damaged blade or the mounting ring can be replaced and maintained, so that the device does not need to replace the whole, and maintenance cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows.

[0013] Figure 1 It is the overall structure schematic diagram of the utility model.

[0014] Figure 2 It is the left view of the overall of the utility model.

[0015] Figure 3 It is the front view of the overall of the utility model.

[0016] Figure 4 It is the A-A line section view of the utility model. Figure 3

[0017] 101-blade shaft, 102-mounting ring, 103-first bolt, 104-blade, 105-positioning block, 106-inclined supporting rod, 107-second bolt, 108-arc plate, 109-threaded hole, 110-positioning groove, 111-connecting mechanism. DETAILED DESCRIPTION

[0018] ​The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] Please refer to Figures 1 to 4 , wherein, Figure 1 is the overall structure diagram of the present application, Figure 2 is the left view of the overall structure of the present application, Figure 3 is the front view of the overall structure of the present application, Figure 4 is the Figure 3 A-A line section view of the present application.

[0020] The utility model provides a kind of knife rest structure, including knife shaft 101 and multiple connecting mechanisms 111, each described connecting mechanism 111 includes mounting ring 102, multiple first bolt 103, multiple blade 104, multiple fixed units, positioning block 105 and inclined support rod 106, each described fixed unit includes two second bolt 107 and arc plate 108, described knife shaft 101 has multiple threaded holes 109, described knife shaft 101 has positioning slot 110.

[0021] For this specific embodiment, the cutter shaft 101 has a plurality of threaded holes 109, the mounting ring 102 is sleeved on the outside of the cutter shaft 101, a plurality of first bolts 103 pass through the mounting ring 102 respectively and are matched with corresponding threaded holes 109 respectively, a plurality of blades 104 are connected with corresponding fixing units respectively, and a plurality of fixing units are arranged around the mounting ring 102 respectively; the positioning block 105 is matched with the positioning groove 110 in sliding mode, and the positioning block 105 is fixedly connected with the inner wall of the mounting ring 102. The cutter shaft 101 is installed on a rotary cultivator, when it needs to be disassembled and replaced, the cutter shaft 101 is first removed, then a plurality of first bolts 103 are disassembled from corresponding threaded holes 109 respectively, then they are taken out, then the mounting ring 102 is taken out from the cutter shaft 101, and then the damaged blades 104 or mounting ring 102 can be replaced and maintained, so that the device does not need to be replaced as a whole, and the maintenance cost is low; through the cooperation of the positioning block 105 and the positioning groove 110, the mounting ring 102 can be quickly positioned when it is arranged on the cutter shaft 101, and then the first bolts 103 can be matched with the corresponding threaded holes 109; through the cooperation of two second bolts 107 and the arc plate 108, the corresponding blades 104 can be fixed, when the blades 104 need to be disassembled and replaced individually, two second bolts can be removed, the arc plate 108 can be disassembled from the mounting ring 102, and then the blades 104 can be disassembled; since the blades 104 are L-shaped, the inclined supporting rods 106 are arranged to support and reinforce the blades 104, reduce the damage of the blades 104 during use, improve the stability effect, and through the cooperation of a plurality of threaded holes 109 and a plurality of first bolts 103, the mounting ring 102 can be fixed at any position on the cutter shaft 101, the distance between each connecting mechanism 111 can be adjusted, the distance between a plurality of blades 104 can be adjusted, and different use environments can be adapted.

[0022] The knife shaft 101 has a plurality of threaded holes 109, the mounting ring 102 is sleeved on the outside of the knife shaft 101, a plurality of first bolts 103 are respectively threaded through the mounting ring 102 and respectively matched with the corresponding threaded holes 109, a plurality of blades 104 are respectively connected with the corresponding fixed units, and a plurality of fixed units are respectively arranged around the mounting ring 102. The knife shaft 101 is installed on the rotary cultivator. When it is necessary to disassemble and replace, the knife shaft 101 is first removed, then the first bolts 103 are respectively disassembled from the corresponding threaded holes 109, then the mounting ring 102 is taken out from the knife shaft 101, and then the damaged blades 104 or the mounting ring 102 can be replaced and maintained, so that the device does not need to be replaced as a whole, and the maintenance cost is low.

[0023] Secondly, the positioning block 105 is slidably matched with the positioning groove 110, and the positioning block 105 is fixedly connected with the inner wall of the mounting ring 102. Through the cooperation of the positioning block 105 and the positioning groove 110, the mounting ring 102 can be quickly positioned when it is arranged on the knife shaft 101, and then the first bolts 103 are matched with the corresponding threaded holes 109.

[0024] Meanwhile, the arc plate 108 is arranged on the outer wall of the mounting ring 102, and two second bolts 107 are respectively threaded through the arc plate 108 and located in the mounting ring 102. Through the cooperation of the two second bolts 107 and the arc plate 108, the corresponding blades 104 are fixed. When it is necessary to disassemble and replace the blades 104, the two bolts can be removed, the arc plate 108 can be disassembled from the mounting ring 102, and the blades 104 can be disassembled.

[0025] Moreover, the inclined supporting rod 106 is fixedly connected with the blade 104 and located in the inner wall of the blade 104. The positioning groove 110 is located at the front end of the knife shaft 101, and the mounting ring 102 is slidably matched with the knife shaft 101. Since the blade 104 is L-shaped, the blade 104 is supported and reinforced by the inclined supporting rod 106, the damage of the blade 104 in use is reduced, and the stability is improved.

[0026] When the knife holder structure is used, the knife shaft 101 is installed on the rotary cultivator, when it is necessary to disassemble and replace, the knife shaft 101 is first taken off, then the plurality of first bolts 103 are respectively disassembled from the corresponding threaded holes 109, then they are taken out, then the mounting ring 102 is taken out from the knife shaft 101, and then the damaged blade 104 or the mounting ring 102 can be replaced and maintained, so that the device does not need to be replaced as a whole, and the maintenance cost is low; through the cooperation of the positioning block 105 and the positioning groove 110, when the mounting ring 102 is arranged on the knife shaft 101, the direction can be quickly positioned, and then the plurality of first bolts 103 and the corresponding threaded holes 109 are matched; through the cooperation of the two second bolts 107 and the arc plate 108, the corresponding blade 104 is fixed, when it is necessary to disassemble and replace the blade 104 alone, the two bolts can be taken off, then the arc plate 108 is disassembled from the mounting ring 102, and then the blade 104 is disassembled; since the blade 104 is L-shaped, through the arrangement of the inclined supporting rod 106, the blade 104 is supported and reinforced, the breaking damage of the blade 104 in the use process is reduced, the stability effect is improved, and through the cooperation of the plurality of threaded holes 109 and the plurality of first bolts 103, the mounting ring 102 can be fixed at any position on the knife shaft 101, then the distance of each connecting mechanism 111 can be adjusted, then the spacing between the plurality of blades 104 is facilitated, and different use environments are facilitated.

[0027] The above disclosure is only one or more preferred embodiments of the application, and cannot limit the scope of the application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A tool holder structure, characterized in that, comprising a tool shaft and a plurality of connecting mechanisms; each of the connecting mechanisms comprises a mounting ring, a plurality of first bolts, a plurality of blades and a plurality of fixing units, the tool shaft has a plurality of threaded holes, the mounting ring is sleeved on the outside of the tool shaft, a plurality of first bolts pass through the mounting ring respectively and are matched with corresponding threaded holes respectively, a plurality of blades are connected with corresponding fixing units respectively, and a plurality of fixing units are arranged around the mounting ring respectively.

2. The tool holder structure according to claim 1, characterized in that, each of the connecting mechanisms further comprises a positioning block, the tool shaft has a positioning groove, the positioning block is slidably matched with the positioning groove, and the positioning block is fixedly connected with the inner wall of the mounting ring.

3. The tool holder structure according to claim 2, characterized in that, each of the fixing units comprises two second bolts and an arc plate, the arc plate is arranged on the outer wall of the mounting ring, and two second bolts pass through the arc plate respectively and are located in the mounting ring.

4. The tool holder structure according to claim 3, characterized in that, each of the connecting mechanisms further comprises an inclined support rod, the inclined support rod is fixedly connected with the blade and is located on the inner wall of the blade.

5. The tool holder structure according to claim 4, characterized in that, the positioning groove is located at the front end of the tool shaft, and the mounting ring is slidably matched with the tool shaft.

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