Hose clamping structure and working machine

By using a combination design of longitudinal plate, groove, receiving part, first clamping member, second clamping member and pressing member in the hose clamping structure, the problem of difficult hose removal in the prior art is solved, realizing convenient disassembly of the hose and improving vibration damping and sealing performance.

CN117178096BActive Publication Date: 2026-03-13KUBOTA CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-03-25
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

The existing hose clamping structure requires the removal of the partition when removing the hose, resulting in poor maintainability.

Method used

The system employs a combination structure consisting of a longitudinal plate, a groove, a receiving part, a first clamping member, a second clamping member, and a pressing member. The pressing member causes the second clamping member to deform elastically, making it easy to remove the hose.

Benefits of technology

It enables easy disassembly of the hose, improves vibration damping and sealing, and enhances maintenance convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hose clamping structure comprises: a longitudinal plate (49) having an opening (53); a groove (50) adjacent to the opening (53) on the back side (49f) of one side in the parallel direction (W1) of the plate surface, and open towards the opening (53) in the parallel direction (W1); a receiving part (51) on the back side (49f) of the other side in the parallel direction (W1) of the plate surface, relative to the opening (53) of the longitudinal plate (49); a first clamping member (58) inserted into the groove (50); and a second clamping member. The first clamping member (59) is formed of an elastic member and is configured to abut against the receiving part (51) from the front side of the longitudinal plate (49) via the opening (53) while the first clamping member (58) is inserted into the groove (50), and clamps the hose (45) inserted through the opening (53) together with the first clamping member (58); and a pressing member (48) is installed on the longitudinal plate (49) so as to elastically deform the second clamping member (59) by pressing it from the front side of the longitudinal plate (49), thereby pressing the first clamping member (58) by the second clamping member (59).
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Description

Technical Field

[0001] This invention relates to a hose clamping structure and a working machine. Background Technology

[0002] Previously, a hose clamping structure disclosed in Patent Document 1 was known.

[0003] The hose clamping structure disclosed in Patent Document 1 has a slit recess formed on the upper part of a partition plate that separates the lower front of the prime mover chamber containing the prime mover. The slit recess is recessed downward from the upper end of the partition plate. A cable ring that clamps the hose in the vertical direction is inserted into the slit recess. An anti-detachment plate that prevents the cable ring from falling off the slit recess is installed on the partition plate. Furthermore, the cable ring and the anti-detachment plate are pressed down from above by a sealing body provided in the partition wall that separates the prime mover chamber from the upper front of the prime mover chamber.

[0004] Existing technical documents

[0005] Patent documents

[0006] Patent Document 1: Japanese Patent Publication No. 2019-116752 Summary of the Invention

[0007] The problem the invention aims to solve

[0008] The hose clamping structure disclosed in Patent Document 1 requires the removal of the partition when removing the hose, which results in poor maintainability.

[0009] In view of the above problems, the object of the present invention is to provide a hose clamping structure and working machine that can easily disassemble hoses.

[0010] means for solving problems

[0011] One aspect of the present invention relates to a hose clamping structure comprising: a longitudinal plate having an opening; a groove disposed adjacent to the opening on a back side of one side of the longitudinal plate in a direction parallel to the plate surface, and opening towards the opening in the direction parallel to the plate surface; a receiving portion disposed on a back side of the longitudinal plate on the other side in a direction parallel to the plate surface, opposite to the opening of the longitudinal plate; a first clamping member inserted into the groove; a second clamping member formed of an elastic member, configured to abut against the receiving portion from the front side of the longitudinal plate via the opening when the first clamping member is inserted into the groove, and clamping the hose inserted through the opening together with the first clamping member; and a pressing member mounted on the longitudinal plate to elastically deform the second clamping member by pressing it from the front side of the longitudinal plate, thereby pressing the first clamping member by the second clamping member.

[0012] Additionally, the first clamping member is formed with a thickness approximately the same as the groove width of the groove portion, and the second clamping member is formed with a thickness that protrudes further towards the front side of the longitudinal plate through the opening portion before it abuts against the receiving portion and is pressed by the pressing member. The pressing member has: a main plate that is inserted into the opening portion and presses the second clamping member; and a mounting plate that is fixed to the main plate and abuts against the front side of the longitudinal plate and is mounted on the longitudinal plate.

[0013] In addition, the longitudinal plate has a through groove formed from the outer edge of the longitudinal plate toward the opening in a manner communicating with the opening, and allows the hose to pass through in a direction orthogonal to the length direction of the hose.

[0014] In addition, the groove is formed by a first part, a second part and a third part. The first part is the part of the longitudinal plate that forms the edge of the plate side parallel to the opening. The second part faces the first part on the back side of the longitudinal plate. The third part extends from the end of the second part on the plate side parallel to the opening toward the back side of the longitudinal plate and is fixed to the longitudinal plate.

[0015] Additionally, the receiving portion has: a first wall portion facing the opening on the back side of the longitudinal plate; and a second wall portion extending from the other end of the first wall portion in the direction parallel to the plate surface toward the back side of the longitudinal plate and fixed to the longitudinal plate, wherein the second clamping member is configured to abut against the first wall portion and the second wall portion from the front side of the longitudinal plate via the opening.

[0016] Additionally, one embodiment of the present invention relates to a working machine comprising: a body; a prime mover mounted on the body; a partition separating a prime mover chamber housing the prime mover from an exterior of the prime mover chamber; and a hose clamping structure, wherein the longitudinal plate forms part of the partition, and the hose extends from the prime mover chamber to the exterior of the partition.

[0017] The effects of the invention

[0018] According to the above structure, the hose can be easily removed simply by removing the pressing component from the longitudinal plate. Attached Figure Description

[0019] Figure 1 This is a side view of the machine.

[0020] Figure 2 It is a frontal three-dimensional view showing a part of the organism.

[0021] Figure 3 It is a three-dimensional view of the back of a part of the machine.

[0022] Figure 4 This is a front perspective view showing the hose clamping structure.

[0023] Figure 5 This is a front perspective view showing the location where the hose clamp is installed.

[0024] Figure 6 It is an exploded perspective view showing the location where the hose clamp is installed.

[0025] Figure 7 It is an exploded three-dimensional view of the cover components, etc.

[0026] Figure 8 This is an exploded 3D view of the hose clamp.

[0027] Figure 9 This is the front view showing the hose clamping structure.

[0028] Figure 10 This is the front view showing the hose clamping structure.

[0029] Figure 11 This is a rear view showing the hose clamping structure.

[0030] Figure 12 This is a top sectional view showing the hose clamping structure.

[0031] Figure 13 This is a side sectional view showing the hose clamping structure.

[0032] Figure 14 This is a top sectional view showing an example of a hose assembly method. Detailed Implementation

[0033] Hereinafter, an embodiment of the present invention will be described with appropriate reference to the accompanying drawings.

[0034] Figure 1 This is a schematic side view showing the overall structure of the work machine 1 according to this embodiment. In this embodiment, a backhoe excavator is shown as a rotary work machine, which is exemplified as the work machine 1.

[0035] like Figure 1 As shown, the work machine 1 includes a body (rotary table) 2, a traveling device 3, and a working device 4. A driver's seat 6 is mounted on the body 2 for the operator (driver) to sit on.

[0036] In this embodiment, the direction will be towards the front of the operator seat 6 of the machine 1. Figure 1 Arrow A1 direction) is the front (front of the machine), and will be directed towards the operator's rear ( Figure 1 (The direction of arrow A2) is used as the rear (rear of the machine), and... Figure 1Arrow K1 is used to indicate the forward / backward direction (forward / backward direction of the aircraft). Additionally, the direction towards the operator's left ( Figure 1 (near the front side) as the left, will be oriented towards the operator's right side ( Figure 1 The inside side) will be explained as the right side.

[0037] Furthermore, the horizontal direction, orthogonal to the forward / backward direction K1, will be described as the width direction of the fuselage. The direction from the center of the fuselage 2 towards the right or left side in the width direction will be described as the outer side of the fuselage width direction. In other words, the outer side of the fuselage width direction is the direction away from the center of the fuselage 2's width direction. The direction opposite to the outer side of the fuselage width direction will be described as the inner side of the fuselage width direction. In other words, the inner side of the fuselage width direction is the direction closer to the center of the fuselage 2's width direction.

[0038] like Figure 1 As shown, the traveling device 3 is a tracked traveling device that supports the machine body 2 in a drivable manner. It has a traveling frame 3A, a first traveling device 3L located on the left side of the traveling frame 3A, and a second traveling device 3R located on the right side of the traveling frame 3A. The first traveling device 3L and the second traveling device 3R are driven by a traveling motor M1, which is composed of a hydraulic motor (hydraulic actuator). In this embodiment, a tracked traveling device 3 is used, but it is not limited to this; a wheeled or other type of traveling device may also be used. A bulldozer device 7 is mounted at the front of the traveling device 3. The bulldozer device 7 can be driven by a bulldozer cylinder composed of a hydraulic cylinder (hydraulic actuator).

[0039] like Figure 1 As shown, the machine body 2 is supported on the traveling device 3 via a rotary bearing 8 in a manner that allows it to rotate about a rotation axis X1 extending in the vertical direction. Furthermore, the machine body 2 has a support bracket 9 for supporting the working device 4 and a swing bracket 10 at its front. The support bracket 9 is provided protruding forward from the machine body 2. The swing bracket 10 is mounted at the front of the support bracket 9 in a manner that allows it to swing about a longitudinal axis (the axis extending in the vertical direction).

[0040] like Figure 1As shown, the working device 4 includes a boom 11, a stick 12, and a bucket 13. The base of the boom 11 is pivotally mounted to the upper part of the swing bracket 10 so as to be able to rotate about a horizontal axis (an axis extending along the width direction of the machine body). The stick 12 is pivotally mounted to the front end side of the boom 11 so as to be able to rotate about a horizontal axis. The bucket 13 is provided on the front end side of the stick 12 so as to be able to perform digging and dumping operations. The digging operation is the operation of swinging the bucket 13 toward the boom 11, for example, when digging soil or sand. The dumping operation is the operation of swinging the bucket 13 away from the boom 11, for example, when dropping (discharging) the excavated soil or sand.

[0041] The work machine 1 can replace the bucket 13 or, based on the bucket 13, be equipped with other work tools (hydraulic accessories) that can be driven by a hydraulic actuator. Examples of other work tools include hydraulic breakers, hydraulic crushers, angled brooms, soil drills, pallet forks, sweepers, lawn mowers, snow blowers, etc.

[0042] The swing bracket 10 can swing via the extension and retraction of a swing cylinder (not shown). The boom 11 can swing via the extension and retraction of the boom cylinder C2. The stick 12 can swing via the extension and retraction of the stick cylinder C3. The bucket 13 can perform digging and tipping actions via the extension and retraction of the bucket cylinder C4. The swing cylinder, boom cylinder C2, stick cylinder C3, and bucket cylinder C4 are composed of hydraulic cylinders (hydraulic actuators).

[0043] like Figure 1 As shown, a prime mover E1 is mounted at the rear of the machine body 2. The prime mover E1 is a diesel engine. Alternatively, the prime mover E1 can be a gasoline engine, an electric motor, or a hybrid type with both an engine and an electric motor. A driver's unit 18 is mounted in front of the prime mover E1 of the machine body 2. The driver's unit 18 includes a driver's seat 6, a travel lever 16 located in front of the driver's seat 6, a control device 17L located on the left side of the driver's seat 6, and a control device 17R located on the right side. The travel lever 16 is an operating component for operating the travel device 3. The control devices 17L and 17R are, for example, devices for operating the boom 11, the stick 12, the digging and tipping actions of the bucket 13, and the rotation of the machine body 2. A foot pedal 21 forming the bottom surface is provided on the upper surface of the machine body 2 and in front of the driver's seat 6.

[0044] like Figure 2 As shown, the body 2 has a rotating frame 30 that serves as its skeleton. This rotating frame 30 includes a rotating base plate (base plate) 31 forming the bottom of the body 2, reinforcing ribs 32 that reinforce the rotating base plate 31, a support bracket 9, and a counterweight 33 (see reference). Figure 1 In addition, the rotating frame 30 has brackets, supports, etc. for mounting equipment, tanks, other components, etc., mounted on the body 2.

[0045] The rotating base plate 31 is formed of a thick steel plate or the like. The brackets, supports, etc., which are mounted on the rotating frame 30 are fixed to the rotating base plate 31 by welding or the like. The rotating base plate 31 is supported on the traveling device 3 by means of a rotating bearing 8 and rotates freely about the rotation axis X1.

[0046] The reinforcing rib 32 is formed of a sheet metal and is disposed on the rotating base plate 31 from the front to the rear. Specifically, the reinforcing rib 32 includes: a first longitudinal rib 32R, which extends rearward from the rear of the left side of the support bracket 9 disposed at the front of the rotating base plate 31; and a second longitudinal rib 32L, which extends rearward from the rear of the right side of the support bracket 9.

[0047] like Figure 2 As shown, a control valve V1, a working oil tank 28, a rotary motor 20, etc. are mounted on the rotating base plate 31.

[0048] Control valve V1 is located at the front of the left side of the rotating base plate 31. Control valve V1 controls the flow rate of working oil supplied to the hydraulic actuators equipped on the working machine 1 and driven by working oil. In detail, control valve V1 is a valve unit that integrates various control valves, each of which controls the flow rate of working oil supplied to each hydraulic actuator equipped on the working machine 1.

[0049] The working oil tank 28 is located behind the control valve V1. The working oil tank 28 is a tank for storing working oil.

[0050] like Figure 3 As shown, the prime mover E1 is mounted on the rear of the rotating base plate 31. A hydraulic pump 25 is installed on one side (left side) of the prime mover E1 in the width direction of the machine body. The hydraulic pump 25 is driven by the power of the prime mover E1. The hydraulic pump 25 draws in working oil from the working oil tank 28 and discharges working oil (pressure oil) that drives the hydraulic actuators such as hydraulic motors and hydraulic cylinders equipped on the working machine 1. In addition, the hydraulic pump 25 discharges pilot pressure and signal oil pressure to actuate hydraulic valves.

[0051] A cooling fan 14 is provided on the right side of the prime mover E1, and a radiator, an oil cooler, and a fuel cooler are arranged to the right of the cooling fan 14.

[0052] like Figure 3 As shown, a partition wall 36 is provided in front of the prime mover E1, which divides the front side of the prime mover chamber E2 that houses the prime mover E1. In other words, the partition wall 36 is a component that separates the prime mover chamber E2 from the front (outside) of the prime mover chamber E2. Figure 5 As shown, a working oil tank 28 is disposed on the left side of the partition 36. The working oil tank 28 is disposed on the rotating base plate 31.

[0053] like Figure 5As shown, the partition 36 has a partition body 37 and a partition plate 38. The partition body 37 is a component that separates the prime mover chamber E2 from the upper front of the prime mover chamber E2, and has an upper wall 37a and a front wall 37b extending downward from the front of the upper wall 37a.

[0054] like Figure 5 As shown, the partition plate 38 is disposed below the partition body 37. Furthermore, the partition plate 38 is disposed below the pedal 21. That is, the partition plate 38 is a component that separates the lower front of the prime mover compartment E2. The partition plate 38 has a first partition plate 38A and a second partition plate 38B. The first partition plate 38A is erected on the rotating base plate 31 with its surface facing the front-rear direction K1. The first partition plate 38A is disposed on the rotating base plate 31 extending along the width direction of the machine body and is fixed to the rotating base plate 31 by welding or the like. The lower part of the second partition plate 38B is fixed to the back of the first partition plate 38A by welding or the like, and the left part of the second partition plate 38B is fixed to the rotating base plate 31 by welding or the like. The second partition plate 38B is installed in the lower part of the partition body 37 (the lower part of the front wall 37b). Figure 6 As shown, the second partition 38B protrudes further to the left than the first partition 38A.

[0055] like Figure 5 , Figure 6 As shown, a cover member 39 and a hose clamp 43 are provided between the partition wall 36 and the working oil tank 28. The hose clamp 43 is positioned below the cover member 39. The cover member 39 and the hose clamp 43 block the gap between the partition wall 36 and the working oil tank 28. The cover member 39 and the hose clamp 43 form part of the partition wall 36.

[0056] like Figure 6 , Figure 7As shown, the cover member 39 has a first cover 40, a second cover 41, and a third cover 42. The first cover 40 is formed into a rectangle with a U-shaped cutout 40a opening to the left. The cutout 40a is used to allow wiring components such as bundled wire harnesses to pass through, and the gap between the cutout 40a and the wire harness is sealed by a grommets. The second cover 41 has a first portion 41a, a second portion 41b, and a third portion (extension) 41c. The first portion 41a is fixed to the lower end and front surface side of the first cover 40 by welding or the like. The second portion 41b is fixed to the lower side of the cutout 40a on the left end and front surface side of the first cover 40 by welding or the like. The third portion 41c extends downward from the left side of the first portion 41a. The third cover 42 is formed into a rectangle with a horizontally elongated U-shaped cutout 42a opening downward. The cutout 42a is formed to the right of the center portion in the width direction of the third cover 42. The upper part of the third cover 42 is fixed to the front surface of the second part 41b of the second cover 41 by welding or the like. The notch 42a is offset to the right relative to the third part 41c of the second cover 41. The notch 42a is a groove used to avoid interference between the third cover member 42 and the mounting plate 57A on the upper side of the pressing member 48, which will be described later.

[0057] The first cover 40 is bolted to the front wall 37b of the partition body 37, and the second cover 41 is bolted to the flange plate 44, which is fixed to the working oil tank 28 by welding or the like in a manner that extends outward from the working oil tank 28. A cutout 44a is formed on the lower part of the flange plate 44 to avoid interference with the groove 50 described later (see reference). Figure 11 ).

[0058] The third cover 42 is fastened together with the longitudinal plate 49 (described later) and bolted to the second partition plate 38B and the flange plate 44.

[0059] like Figure 2 , Figure 3 , Figure 4 As shown, the hose clamp 43 is a component that holds the hydraulic hoses 45 and other hoses from the prime mover E1 to the front side (outside the prime mover E1) of the partition 36. The hose clamp 43 is disposed between the partition plate 38 and the working oil tank 28. Therefore, the hose clamp 43 is disposed together with the control valve V1 on the lower side of the pedal 21 (inside the machine body 2). There are multiple hydraulic hoses 45 held by the hose clamp 43. Almost all of the multiple hydraulic hoses 45 are hoses connecting the hydraulic pump 25 and the control valve V1. Figure 4 As shown, in this embodiment, there are 7 hydraulic hoses 45. The 7 hydraulic hoses 45 are arranged side by side in the vertical direction, and the upper 2 and lower 3 hydraulic hoses 45a are small-diameter hydraulic hoses with a smaller diameter than the middle 2 hydraulic hoses 45b.

[0060] like Figure 6As shown, the hose clamp 43 includes: a retainer 46 mounted on the side of the machine body 2; a clamp 47 held and clamped by the retainer 46 for holding the hydraulic hose 45; and a pressing member 48 for pressing the clamp 47.

[0061] like Figure 8 As shown, the retainer 46 has a longitudinal plate 49, a groove 50, a receiving part 51, and a connecting plate 52.

[0062] like Figure 8 As shown, the longitudinal plate 49 is arranged with its surface facing the front-to-back direction K1. That is, the longitudinal plate 49 is arranged such that its width direction (parallel to the surface) W1, which is orthogonal to the vertical direction, aligns with the width direction of the fuselage, and its thickness direction aligns with the front-to-back direction K1. The longitudinal plate 49 has an opening 53 and a through slot 54. Specifically, the longitudinal plate 49 has one side in the width direction W1 (the left side in the width direction of the fuselage). Figure 8 The middle part is the right side. The left part is the first longitudinal wall part 49a; the other side of the plate width direction W1 (the right side of the body width direction). Figure 8 The middle section (left side) comprises the second longitudinal wall portion 49b, which is spaced apart from the first longitudinal wall portion 49a in the width direction W1; an extension wall 49c extending from the upper part of the second longitudinal wall portion 49b toward the upper part of the first longitudinal wall portion 49a; and a lower wall 49d connecting the lower parts of the first longitudinal wall portion 49a and the second longitudinal wall portion 49b to each other. A gap is provided between the extension wall 49c and the upper part of the first longitudinal wall portion 49a.

[0063] like Figure 8 As shown, the opening 53 is formed by a first longitudinal wall portion 49a, a second longitudinal wall portion 49b, an extension wall 49c, and a lower wall 49d. In other words, the opening 53 has: a side edge portion (left edge portion) 53a on one side of the plate width direction W1; a side edge portion (right edge portion) 53b on the other side of the plate width direction W1; an upper edge portion 53c; and a lower edge portion 53d. A through groove 54 is formed between the upper part of the extension wall 49c and the first longitudinal wall portion 49a. That is, the through groove 54 is formed from the upper end of the longitudinal plate 49 toward the opening 53 in a manner that communicates with the opening 53. In addition, the through groove 54 is formed with a groove width W2 that allows the hydraulic hose 45 held by the hose clamp 43 to pass through in a direction orthogonal to the length direction of the hydraulic hose 45.

[0064] like Figure 7 , Figure 9 As shown, a third cover 42 overlaps the upper part of the longitudinal plate 49 on the front side (front side), and is fastened and bolted together with the third cover 42 to the second partition plate 38B and the flange plate 44. Figure 9 , Figure 10 As shown, the cut groove 42a of the third cover 42 is located at a position corresponding to the extension wall 49c of the longitudinal plate 49.

[0065] like Figure 10 , Figure 11 As shown, the third part 41c of the second cover 41 is inserted into the insertion slot 54. In addition, the third part 41c extends slightly from the insertion slot 54 toward the opening 53.

[0066] In addition, such as Figure 8 As shown, a fixed wall 49e is formed on the longitudinal plate 49, extending forward from the lower end of the lower wall 49d. Figure 4 As shown, the fixed wall 49e is bolted to the rotating base plate 31.

[0067] When assembling the longitudinal plate 49 and the cover member 39, for example, firstly, the fixing wall 49e of the longitudinal plate 49 is bolted to the rotating base plate 31, and then the cover member 39 is arranged such that the third cover 42 is located on the front surface of the upper part of the longitudinal plate 49. Furthermore, the first cover 40 is bolted to the front wall 37b, the second cover 41 is bolted to the flange plate 44, and the third cover 42 is fastened together with the longitudinal plate 49 and bolted to the second partition plate 38B and the flange plate 44. Alternatively, the first cover 40, the second cover 41, and the third cover 42 can be fastened in any order. Alternatively, after the third cover 42 is fastened together with the longitudinal plate 49, the fixing wall 49e of the longitudinal plate 49 can be bolted to the rotating base plate 31.

[0068] Furthermore, the longitudinal plate 49 is not limited to the structure described above. For example, the extension wall 49c may also be connected to the upper part of the first longitudinal wall portion 49a. That is, it is not necessarily necessary to provide the through slot 54. In addition, the first longitudinal wall portion 49a and the second longitudinal wall portion 49b are not limited to a structure in which they are arranged to extend in the vertical direction, but may also be arranged to extend in the horizontal or inclined direction. In other words, the longitudinal plate 49 may also be arranged such that the width direction W1 is consistent with the vertical direction or the inclined direction that is inclined relative to the vertical direction.

[0069] like Figure 8 , Figure 10 , Figure 11 , Figure 12As shown, the groove 50 is provided adjacent to the opening 53 on the back side 49f side of the longitudinal plate 49 in the width direction W1. Specifically, the groove 50 is formed by a first portion 50a, a second portion 50b, and a third portion 50c. The first portion 50a is formed by the right portion of the first longitudinal wall portion 49a of the longitudinal plate 49. In other words, the first portion 50a is part of the longitudinal plate 49 and is formed by the portion of the longitudinal plate 49 that forms the side edge portion 53a of the opening 53. The second portion 50b faces the first portion 50a at a distance from the back side 49f of the first portion 50a (longitudinal plate 49). The third portion 50c extends from the end (left end) of the second portion 50b on the width direction W1 side toward the back side 49f of the first portion 50a (longitudinal plate 49) and is fixed to the first portion 50a (longitudinal plate 49) by welding or the like. Therefore, the groove 50 is open (opening) to the right side of the opening 53 in the width direction W1. Furthermore, the groove 50 is formed to extend in the vertical direction. A first extension wall 50d is formed at the upper end of the third portion 50c, extending to the right from the upper end.

[0070] A receiving portion 51 is provided on the back side 49f of the longitudinal plate 49 (opening 53) on the other side of its width direction W1. Specifically, the receiving portion 51 has a first wall portion 51a and a second wall portion 51b. The first wall portion 51a is disposed facing the opening 53 on the back side 49f of the longitudinal plate 49. The second wall portion 51b extends from the end (right end) of the first wall portion 51a on the other side of its width direction W1 toward the back side 49f of the longitudinal plate 49 and is fixed to the longitudinal plate 49 by welding or the like. The left surface of the second wall portion 51b is substantially coplanar with the other side edge 53b of the opening 53. Furthermore, the receiving portion 51 is formed to extend in the vertical direction. A second extension wall 51c is formed at the upper end of the second wall portion 51b, extending to the left (first extension wall 50d) from that upper end. The first extension wall 50d and the second extension wall 51c are provided at a distance from each other.

[0071] The connecting plate 52 is formed as a strip plate with its surface facing up and down and longer in the width direction W1, connecting the lower end of the third part 50c to the lower end of the second wall part 51b.

[0072] The pressing member 48 has a main plate 56 and a mounting plate 57. The main plate 56 is formed of a strip of plate that is longer in the vertical direction than in the front-rear direction K1. The main plate 56 is inserted into the opening 53 for pressing the second clamping member 59, which will be described later. The mounting plate 57 is fixed to the main plate 56 by welding or the like and abuts against the front of the longitudinal plate 49, and is mounted to the longitudinal plate 49 by bolts 61. Figure 8As shown, the vertical length of the motherboard 56 is such that it can be inserted into the opening 53, and is formed to be approximately the same length as the vertical length of the opening 53. Mounting plates 57 are provided at the upper and lower parts of the motherboard 56. That is, a pair of mounting plates 57 are provided. The lower part of the upper mounting plate 57A is fixed to the front surface of the motherboard 56 by welding or the like, and the upper part protrudes upward from the motherboard 56. The upper part of the lower mounting plate 57B is fixed to the front surface of the motherboard 56 by welding or the like, and the lower part protrudes downward from the motherboard 56. Therefore, when the mounting plates 57A and 57B are mounted on the vertical plate 49 by contacting the front of the vertical plate 49, the motherboard 56 is inserted into the opening 53.

[0073] like Figure 8 As shown, the clamp 47 includes a first clamping member 58 and a second clamping member 59. The first clamping member 58 and the second clamping member 59 are formed of an elastic member such as rubber. Seven insertion holes 60 are formed on the clamp 47 in the vertical direction, allowing seven hydraulic hoses 45 to be inserted in the front-rear direction K1. The clamp 47 is divided into a left-side first clamping member 58 and a right-side second clamping member 59, each insertion hole 60 being divided into left and right parts. Therefore, the hydraulic hoses 45 can be held in place by clamping them with the first clamping member 58 and the second clamping member 59, allowing the hydraulic hoses 45 to be inserted into each insertion hole 60. Furthermore, the width W3 of the first clamping member 58 in the width direction W1 is narrower than the width W4 of the second clamping member 59 in the width direction W1. In addition, the thickness 59a of the second clamping member 59 (the dimension of the direction orthogonal to the width direction W1 and the vertical direction) is thicker than the thickness 58a of the first clamping member 58.

[0074] like Figure 10 As shown, the first clamping member 58 is a member that inserts into the slot 50. The vertical length of the first clamping member 58 is formed from the first extension wall 50d to the connecting plate 52. Figure 12 As shown, the thickness 58a of the first clamping member 58 is such that the first clamping member 58 can be inserted into the groove 50, and is formed to be approximately the same thickness as the groove width 50e of the groove 50.

[0075] like Figure 10 As shown, the left part of the first clamping member 58 is inserted into the groove 50, and the right part protrudes from the groove 50. Half of the through hole 60 is formed in the part of the first clamping member 58 that protrudes from the groove 50.

[0076] The second clamping member 59 is arranged such that, with the first clamping member 58 inserted into the groove 50, it abuts (aggregates with the receiving portion 51) against the front surface of the first wall portion 51a and the left surface of the second wall portion 51b of the receiving portion 51 from the front side (front side) of the longitudinal plate 49 via the opening 53. Figure 14 As shown, the thickness 59a of the second clamping member 59 is formed to be larger than the distance H1 from the front surface of the first wall portion 51a to the back surface 49f of the longitudinal plate 49. In other words, the second clamping member 59 is formed with a thickness that protrudes further towards the front side than the back surface 49f of the longitudinal plate 49 via the opening 53 in the state before being pressed by the pressing member 48. Half of the insertion hole 60 is formed on the left side of the first clamping member 58. The right side of the first clamping member 58 is the portion abutted by the main plate 56 of the pressing member 48.

[0077] like Figure 8 As shown, the second clamping member 59 is divided into three parts in the vertical direction. The upper part 59b corresponds to the two upper through holes 60 of the seven through holes 60, the middle part 59c corresponds to the two middle through holes 60 of the seven through holes 60, and the lower part 59d corresponds to the three lower through holes 60 of the seven through holes 60.

[0078] Various methods can be considered to assemble the hydraulic hose 45 into the hose clamp 43.

[0079] For example, with the cover member 39 and the retainer 46 installed, the clamp 47 and the pressing member 48 can be assembled into the retainer 46 to retain the hydraulic hose 45.

[0080] In this case, such as Figure 14 As shown in the left-hand diagram, firstly, the first clamping member 58 is inserted into the groove 50. Next, the hydraulic hose 45, passing through the opening 53, is inserted into the portion forming the through hole 60 of the first clamping member 58 (the portion where the through hole 60 is split open). Then, as... Figure 14 As shown in the right-hand figure, the second clamping member 59 is configured to abut against the receiving portion 51 (first wall portion 51a, second wall portion 51b) from the front side of the longitudinal plate 49 via the opening 53, and the hydraulic hose 45 is clamped by the first clamping member 58 and the second clamping member 59. At this time (before the second clamping member 59 is pressed by the pressing member 48), the second clamping member 59 protrudes from the back side 49f of the longitudinal plate 49 through the opening 53 towards the front side. Next, the pressing member 48 is bolted to the longitudinal plate 49. At this time, as... Figure 12As shown, the main plate 56 of the pressing member 48 is inserted into the opening 53, pressing the second clamping member 59 from the front side (opposite to the receiving part 51) to cause it to elastically deform. Due to the elastic deformation of the second clamping member 59, the hydraulic hose 45 and the first clamping member 58 are pressed by the second clamping member 59, and the hydraulic hose 45 is firmly held by the hose clamp 43.

[0081] Therefore, by elastically deforming the second clamping member 59, the hydraulic hose 45 is clamped and fixed by the first clamping member 58 and the second clamping member 59, thus suppressing the vibration of the hydraulic hose 45 and improving vibration damping. Furthermore, the elastic deformation of the second clamping member 59 ensures a tight seal, preventing hot air from entering the engine compartment E2 into the machine body 2. Additionally, the first clamping member 58 and the second clamping member 59 can be easily removed simply by removing the pressing member 48, thus allowing for easy removal of the hydraulic hose 45.

[0082] In addition, as a method for assembling the hydraulic hose 45 to the hose clamp 43, it is considered to hold the hydraulic hose 45 with the hose clamp 43 before assembling the prime mover E1 to the machine body 2.

[0083] In this case, after assembling the prime mover E1 to the machine body 2, the hose clamp 43 is assembled to the side of the machine body 2. Specifically, first, before assembling the prime mover E1 to the machine body 2, the hydraulic hose 45 is inserted into the opening 53, and the hydraulic hose 45 is clamped by the first clamping member 58 and the second clamping member 59. Then, the pressing member 48 is installed, and the hose clamp 43 holds the hydraulic hose 45. Then, with the hose clamp 43 holding the hydraulic hose 45 placed on the prime mover E1, the prime mover E1 is lowered onto the rotating base plate 31 and positioned there. Then, for example, the hose clamp 43 is positioned forward of its initial position, and the partition wall body 37 and the working oil tank 28 are assembled. Next, for example, the fixing wall 49e of the hose clamp 43 with the hydraulic hose 45 assembled is bolted to the rotating base plate 31. Then, the cover member 39 is configured such that the third cover 42 is located on the front surface of the upper part of the longitudinal plate 49, and the first cover 40 is bolted to the front wall 37b and the second cover 41 is bolted to the flange plate 44. Then, the third cover 42 and the longitudinal plate 49 are fastened together and bolted to the second partition plate 38B and the flange plate 44. Alternatively, the third cover 42 and the longitudinal plate 49 can be fastened together first, and then the first cover 40 and the second cover 41 can be fixed. Alternatively, after the third cover 42 and the longitudinal plate 49 are fastened together, the fixing wall 49e of the longitudinal plate 49 can be bolted to the rotating base plate 31.

[0084] In this assembly method, the hydraulic hose 45 can be held relative to the hose clamp 43 in a wide range of locations, resulting in good workability. Furthermore, the hydraulic hose 45 can be easily inserted into the opening 53 via the insertion slot 54.

[0085] In addition, as a method for assembling the hydraulic hose 45 to the hose clamp 43, it is considered to hold the hydraulic hose 45 in the hose clamp 43 without installing the cover member 39.

[0086] In this configuration, for example, with the retaining body 46's fixing wall 49e fixed to the rotating base plate 31, the hydraulic hose 45 is inserted through the insertion slot 54 into the opening 53 and clamped by the first clamping member 58 and the second clamping member 59. Then, the pressing member 48 is installed. Next, the cover member 39 is assembled, and the upper part of the retaining body 46 is fixed. Alternatively, after assembling the hydraulic hose 45 to the retaining body 46, the fixing wall 49c can be fixed to the rotating base plate 31. Alternatively, after assembling the hydraulic hose 45 to the retaining body 46, the third cover 42 and the longitudinal plate 49 can be fastened together and bolted to the second partition plate 38B and the flange plate 44, and then the fixing wall 49c can be fixed to the rotating base plate 31. In this assembly method, the hydraulic hose 45 can also be inserted through the insertion slot 54 into the opening 53, making insertion of the hydraulic hose 45 easy.

[0087] The aforementioned hose clamping structure comprises: a longitudinal plate 49 having an opening 53; a groove 50, which is disposed adjacent to the opening 53 on the back side 49f side of the longitudinal plate 49 in the direction parallel to the plate surface (plate width direction W1) and opens toward the opening 53 in the direction parallel to the plate surface (plate width direction W1); a receiving portion 51, which is disposed on the back side 49f side of the longitudinal plate 49 in the other direction parallel to the plate surface (plate width direction W1); and a first clamping member 58 inserted into the groove 50. The second clamping member 59, formed of an elastic member, is configured to abut against the receiving portion 51 from the front side of the longitudinal plate 49 via the opening 53 while the first clamping member 58 is inserted into the groove 50, and clamps the hose (hydraulic hose 45) inserted through the opening 53 together with the first clamping member 58; and the pressing member 48 is installed on the longitudinal plate 49, and is elastically deformed by pressing the second clamping member 59 from the front side of the longitudinal plate 49, thereby pressing the first clamping member 58 by the second clamping member 59.

[0088] According to this structure, the hose (hydraulic hose 45) can be easily removed simply by removing the pressing member 48 from the longitudinal plate 49. In addition, by elastically deforming the second clamping member 59, the hydraulic hose 45 is clamped and fixed by the first clamping member 58 and the second clamping member 59, thus suppressing the vibration of the hose 45 made of hydraulic hose and improving vibration damping.

[0089] In addition, the first clamping member 58 is formed with a thickness approximately the same as the groove width 50e of the groove portion 50, and the second clamping member 59 is formed with a thickness that protrudes further toward the front side of the longitudinal plate 49 through the opening portion 53 before it abuts against the receiving portion 51 and is pressed by the pressing member 48. The pressing member 48 has: a main plate 56, which is inserted into the opening portion 53 and presses the second clamping member 59; and a mounting plate 57, which is fixed to the main plate 56 and abuts against the front side of the longitudinal plate 49 and is mounted on the longitudinal plate 49.

[0090] According to this structure, the first clamping member 58 can be easily assembled.

[0091] In addition, the longitudinal plate 49 has a through groove 54, which is formed from the outer edge of the longitudinal plate 49 toward the opening 53 in a manner that communicates with the opening 53, and the hose 45 can pass through in a direction orthogonal to the length direction of the hose 45.

[0092] According to this structure, the hose 45 can easily pass through the opening 53 via the insertion groove 54.

[0093] In addition, the groove 50 has a first part 50a, a second part 50b and a third part 50c. The first part 50a is a part of the longitudinal plate 49 that forms the edge (side edge 53a) on one side of the plate surface parallel direction (plate width direction W1) of the opening 53. The second part 50b faces the first part 50a on the back side 49f of the longitudinal plate 49. The third part 50c extends from the end of the second part 50b on one side of the plate surface parallel direction (plate width direction W1) toward the back side 49f of the longitudinal plate 49 and is fixed to the longitudinal plate 49.

[0094] According to this structure, the structure can be simplified by using a portion of the longitudinal plate 49 as a component of the groove 50.

[0095] Additionally, the receiving portion 51 includes: a first wall portion 51a facing the opening 53 on the back side 49f of the longitudinal plate 49; and a second wall portion 51b extending from the other end of the first wall portion 51a in the direction parallel to the plate surface (plate width direction W1) toward the back side 49f of the longitudinal plate 49 and fixed to the longitudinal plate 49. The second clamping member 59 is arranged to abut against the first wall portion 51a and the second wall portion 51b from the front side of the longitudinal plate 49 via the opening 53.

[0096] According to this structure, the second clamping member 59 can be elastically deformed well by being clamped by the pressing member 48 and the first wall portion 51a.

[0097] Additionally, the work machine 1 includes: a body 2; a prime mover E1 mounted on the body 2; a partition 36 separating the prime mover chamber E2 containing the prime mover E1 from the outside of the prime mover chamber E2; and any of the aforementioned hose clamping structures. The longitudinal plate 49 forms part of the partition 36, and the hose 45 extends from the prime mover chamber E2 to the outside of the partition 36.

[0098] The foregoing has described one embodiment of the present invention, but it should be considered that the embodiments disclosed herein are illustrative rather than restrictive in all respects. The scope of the present invention is defined not by the foregoing description but by the claims, including all modifications within the meaning and scope of the claims.

[0099] Explanation of reference numerals in the attached figures

[0100] 1. Work machine

[0101] 2. Body

[0102] 36 Next door

[0103] 45 hose (hydraulic hose)

[0104] 48 Pressing Components

[0105] 49 Longitudinal Plate

[0106] 49f back

[0107] 50 grooves

[0108] 50a First Part

[0109] 50b Second Part

[0110] 50c Third part

[0111] 50e slot width

[0112] 51. Contracting Department

[0113] 51a First wall section

[0114] 51b Second wall section

[0115] 53 Opening

[0116] 53a One side edge

[0117] 54 Through slot

[0118] 56 Motherboard

[0119] 57 Mounting Plate

[0120] 58 First clamping component

[0121] 59 Second clamping component

[0122] E1 prime mover

[0123] E2 prime mover room

[0124] W1 board surface parallel direction (board width direction)

Claims

1. A hose clamping structure, wherein, have: Longitudinal plate, with an opening; The groove portion, relative to the opening portion of the longitudinal plate, is provided adjacent to the opening portion on the back side of one side of the longitudinal plate in the direction parallel to the plate surface, and is open towards the opening portion side in the direction parallel to the plate surface; The receiving portion is located on the back side of the longitudinal plate, on the opposite side of the longitudinal plate in the direction parallel to the plate surface. The first clamping member is inserted into the groove. The second clamping member is formed of an elastic member and is configured to abut against the receiving portion from the front side of the longitudinal plate through the opening when the first clamping member is inserted into the groove, and clamps the hose inserted through the opening together with the first clamping member. as well as The pressing component is installed on the longitudinal plate. The pressing member has a main board and a mounting plate. The main board is inserted into the opening and abuts against the second clamping member. The mounting plate is fixed to the main board and mounted on the vertical plate. With the mounting plate overlapping the front side of the longitudinal plate, the mounting plate is installed on the longitudinal plate by inserting bolts from the front side of the longitudinal plate along the normal direction of the plate surface. The second clamping member is then elastically deformed by the main plate pressing it from the front side of the longitudinal plate, so that the first clamping member is pressed by the second clamping member.

2. A hose clamping structure, wherein, have: Longitudinal plate, with an opening; The groove portion, relative to the opening portion of the longitudinal plate, is provided adjacent to the opening portion on the back side of one side of the longitudinal plate in the direction parallel to the plate surface, and is open towards the opening portion side in the direction parallel to the plate surface; The receiving portion is located on the back side of the longitudinal plate, on the opposite side of the longitudinal plate in the direction parallel to the plate surface. The first clamping member is inserted into the groove. The second clamping member is formed of an elastic member and is configured to abut against the receiving portion from the front side of the longitudinal plate through the opening when the first clamping member is inserted into the groove, and clamps the hose inserted through the opening together with the first clamping member. as well as A pressing member is mounted on the longitudinal plate so that the second clamping member is elastically deformed by pressing it from the front side of the longitudinal plate, thereby pressing the first clamping member by the second clamping member. The first clamping member is formed with a thickness approximately the same as the width of the groove. The second clamping member is formed with a thickness that protrudes further toward the front side than the back side of the longitudinal plate through the opening, in the state before it abuts against the receiving portion and is pressed by the pressing member. The pressing member has: a main board, which is inserted into the opening and presses the second clamping member; and a mounting plate, which is fixed to the main board and abuts against the front of the longitudinal plate and is mounted on the longitudinal plate.

3. A hose clamping structure, wherein, have: Longitudinal plate, with an opening; The groove portion, relative to the opening portion of the longitudinal plate, is provided adjacent to the opening portion on the back side of one side of the longitudinal plate in the direction parallel to the plate surface, and is open towards the opening portion side in the direction parallel to the plate surface; The receiving portion is located on the back side of the longitudinal plate, on the opposite side of the longitudinal plate in the direction parallel to the plate surface. The first clamping member is inserted into the groove. The second clamping member is formed of an elastic member and is configured to abut against the receiving portion from the front side of the longitudinal plate through the opening when the first clamping member is inserted into the groove, and clamps the hose inserted through the opening together with the first clamping member. as well as A pressing member is mounted on the longitudinal plate so that the second clamping member is elastically deformed by pressing it from the front side of the longitudinal plate, thereby pressing the first clamping member by the second clamping member. The longitudinal plate has a through groove formed from the outer edge of the longitudinal plate toward the opening in a manner communicating with the opening, and allowing the hose to pass through in a direction orthogonal to the length direction of the hose.

4. The hose clamping structure according to any one of claims 1 to 3, wherein, The groove is formed by a first part, a second part and a third part. The first part is the part of the longitudinal plate that forms the edge of the plate side parallel to the opening. The second part faces the first part on the back side of the longitudinal plate. The third part extends from the end of the second part on the plate side parallel to the opening toward the back side of the longitudinal plate and is fixed to the longitudinal plate.

5. The hose clamping structure according to any one of claims 1 to 3, wherein, The receiving portion has: a first wall portion facing the opening portion on the back side of the longitudinal plate; And a second wall portion, extending from the other end of the first wall portion in the direction parallel to the plate surface toward the back of the longitudinal plate and fixed to the longitudinal plate. The second clamping member is configured to abut against the first wall portion and the second wall portion from the front side of the longitudinal plate via the opening.

6. A type of work machine, wherein, have: Organism; The prime mover is mounted on the aforementioned machine body; A partition separates the prime mover compartment, which houses the prime mover, from the exterior of the prime mover compartment; and The hose clamping structure according to any one of claims 1 to 3, The longitudinal plates form part of the partition wall. The hose extends from the prime mover compartment to the outside of the partition.

Citation Information

Patent Citations

  • Work machine

    JP2019116752A

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    JP2017067212A