JP2005138746A - Supporting structure for insertion member for construction machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To support a hose and a harness in a natural posture when a through hole is formed on a machine body frame, and insertion members such as a hose and a harness are inserted in the through hole. <P>SOLUTION: A supporting member 11 fixed to a through hole 6a of a machine body frame 6 comprises a fixing part 12 fixed to a machine body frame 6, and a body part 13 fixed to the fixing part 12, and formed with a plurality of supporting holes 13a supporting a plurality of hoses 10 in a posture inclined to the machine body frame 6. The body part 13 is divided into first, second, and third dividing members 13b, 13c, 13d of which the supporting hole 13a divided into two. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention belongs to the technical field of a support structure for an insertion member in a construction machine for supporting an insertion member such as a hydraulic hose and an electrical wiring harness disposed in the construction machine.

  In general, in construction machinery, a hose such as a fuel hose and a hydraulic hose, and a through hole such as a harness for wiring to an electric device are formed in a predetermined part so that a through hole is formed in a body frame member. The plurality of insertion members may be inserted into and supported by the through hole. In this case, the insertion member is protected and arranged in an orderly manner as a configuration in which the support member is provided in the through hole. It has been proposed to do. By the way, when the insertion member is a hydraulic hose or a fuel hose, there are those with different outer diameters of hoses, those with different withstand pressures such as high pressure, medium pressure, low pressure, etc. In some cases, hoses having different properties are collectively inserted and supported by the support member, such as those that vibrate due to pump pulsation. For this reason, each of these hoses is required to be drawn in a natural state as much as possible with a gentle bending angle, and to be configured so that these hoses do not interfere with each other.

Therefore, as a measure for improvement, a plurality of passage holding holes having a hole diameter that is substantially the same diameter as the outer diameter corresponding to the insertion member are formed in the main body portion (plate material) constituting the support member, corresponding to the insertion member, It is proposed that this is configured so as to be fitted into a fixing member fixed to the body frame, and that each passing holding hole is configured to individually insert a corresponding insertion member.
JP 2001-176346 A

  However, the conventional fixing portion is formed of a member that is elastically deformed, and is configured such that the main body portion is fitted into the elastically deforming fixing portion, and the fixing portion of the fixing portion to the body frame, and the main body portion The fixed portion to the fixed portion is displaced in the hose length direction. For this reason, each insertion member can change the posture as appropriate by receiving the elastic deformation of the fixed portion in a state where it is supported by the main body portion, and will be supported in a natural form without difficulty, When a load is applied to the main body, there is a problem that the support portion becomes unstable due to elastic deformation of the fixed portion. Furthermore, in the case where an insertion member that causes pulsation is supported among the plurality of insertion members, the entire body portion vibrates, and thus there is a problem in that the vibration is also spread to other insertion members. There is a problem to be solved by the present invention.

The present invention was created for the purpose of solving these problems in view of the above-mentioned circumstances, and the invention of claim 1 forms a through-hole in the fuselage frame member, When inserting a plurality of insertion members such as hoses and harnesses through the support member, the support member is fixed to the body frame, and is fixed to the fixing unit, and the insertion member is inclined with respect to the body frame. And a main body portion in which a support hole for supporting the shape is formed. By doing so, the hose can be supported in a natural posture without forcibly bending it, and the hose can be securely fixed.
According to a second aspect of the present invention, in the first aspect, the main body portion is configured to be able to divide the support hole into two in a split shape. By doing so, it is easy to insert the hose into the support member. Can be done.
A third aspect of the present invention is the method according to the first or second aspect, wherein a plurality of support holes are formed in the main body, and by doing so, a plurality of hoses are supported without interfering with each other. Can do.
According to a fourth aspect of the present invention, in the first, second or third aspect, the support hole is formed long in the hole length direction, and in this way, the hose can be supported and fixed more securely by the support member. It can be.
According to a fifth aspect of the present invention, in the second, third, or fourth aspect, the fixing portion is divided into two parts so that the main body portion is sandwiched from both sides, and the main body portion has a dividing surface that divides the support hole. Thus, both the fixing of the support member to the body frame and the insertion of the hose into the support member can be easily performed.

By setting it as invention of Claim 1, a hose can be supported with a natural attitude | position and it can aim at protection of a hose.
By setting it as invention of Claim 2, the insertion operation | work to the supporting member of a hose can be performed easily.
By setting it as invention of Claim 3, it becomes possible to support a some hose in the state which does not have mutual interference.
According to the invention of claim 4, further hose protection can be achieved.
According to the invention of claim 5, both the fixing of the support member to the machine frame and the insertion operation of the hose to the support member can be easily performed.

Next, a first embodiment of the present invention will be described with reference to the drawings.
In the figure, reference numeral 1 denotes a hydraulic excavator. The hydraulic excavator 1 is attached to a crawler-type lower traveling body 2, an upper revolving body 3 that is rotatably supported by the lower traveling body 2, and an upper revolving body 3. The front attachment 4 is made up of. The upper swing body 3 is provided with a cab 5 located on the left side, tanks such as a fuel tank and a hydraulic oil tank (not shown), hydraulic equipment such as a hydraulic pump and a control valve unit, an engine, a radiator, and a battery Etc. are installed.

  The body frame 6 constituting the floor surface of the cab 5 is provided with a seat 7 on which an operator is seated. A console box 8 is provided on each of the left and right sides of the seat 7, and the console box 8 has a front attachment. An operation lever 9 for operating the operation of 4 is provided so as to protrude upward. Further, necessary operating instruments such as a pedal for operating the machine and a handle are provided in front of the seat 7. Each control lever 9 is connected to six hoses 10 for convenient connection to the control valve unit, tank, and pump. These hydraulic hoses 10 are configured for either high pressure, medium pressure, or low pressure depending on the connection destination (use), and extend downward from the bottom of the console box 8 to be opened in the body frame 6. It is set so as to be inserted through the through-hole 6a and drawn down below the body frame 6 and appropriately connected to the hydraulic oil tank, hydraulic pump and control valve unit. In the present embodiment, six hydraulic hoses 10 are extended from an operation lever 9 provided on the left side of the seat 7, and these hydraulic hoses 10 are support members provided in the body frame through holes 6 a. 11 is set so as to be routed below the fuselage frame 6.

The support member 11 is fitted into a fixing portion 12 fixed to the body frame 6 and a rectangular through hole 12a formed in the fixing portion 12 and penetrating in the vertical direction, and the hose 10 is inserted through the hose 10. And a main body portion 13 that supports and penetrates.
The fixing member 12 includes a front piece portion 12b and a rear piece portion 12c which are divided into front and rear portions. The rear piece portion 12c is formed with a concave portion 12d which is open at the front and penetrates in the vertical direction. The left and right front end surfaces 12e sandwiching the recess 12d of the rear piece 12c are formed so as to be inclined surfaces that become lower toward the front than the body frame 6. Yes. The front piece 12b is abutted against the front end surface 12e of the rear piece and is fixed to the rear piece 12c by fixing with the screw 14, and thus the front and rear pieces 12b, 12c Are integrated so that the opening end of the recess 12d is covered and the through hole 12a is formed. Here, the through-hole 12a formed by integrating the hole side surface facing front and rear, that is, the rear side surface 12f of the front piece portion 12b and the groove bottom surface 12g of the rear piece portion concave portion 12d are combined with the body frame 6. The through-hole 12a is set so as to be inclined with respect to the body frame 6 in the front-rear direction. Further, the front piece 12b is formed with a protruding piece 12h projecting downward from the lower end portion. As will be described later, when the support member 11 is attached to the upper surface of the body frame through-hole 6a, the front piece 12b is formed in the through-hole 6a. It is set to be inserted.
In addition, the concave groove bottom surface 12g of the rear piece 12c is formed to extend downward, so that the inner surfaces of the four circumferences constituting the through hole 12a are set to have substantially the same length. In addition, on the left and right sides of the rear part of the rear piece 12c, there are formed mounting pieces 12i that are horizontal to the machine frame 6 and are fixed to the machine frame 6.

On the other hand, the main body 13 is made of, for example, an elastic material such as natural rubber, and is formed in a rectangular shape that fits in the fixing portion through hole 12a. The main body 13 includes six hydraulic hoses. The six support holes 13a for supporting each 10 individually and long in the hose length direction are arranged in two rows in three rows in the left-right direction. Further, the main body 13 is divided into three parts in the front-rear direction so that each support hole 13a is divided into two parts, a first divided body 13b positioned in the front, a second divided body 13c positioned in the middle, and a rear position. And a third divided body 13d. The division surfaces of these divided bodies 13b, 13c, and 13d are set so as to face the same direction as the division surfaces of the front and rear piece portions 12b and 12c of the fixed portion. Further, among these divided bodies 13b, 13c, 13d, semicircular recesses 13e for forming support holes 13a are respectively formed on the rear surface or the front surface that is the divided surface of the first and third divided bodies 13b, 13d. In addition, semicircular concave portions 13e for forming support holes 13a are formed on both front and rear surfaces, which are the divided surfaces of the second divided body 13c, and these divided bodies 13b, 13c, and 13d are abutted against each other in the front-rear direction. By contact, it is set so that six support holes 13a are formed for convenience.
Incidentally, 13f is a plurality of long grooves formed in the front surface of the first divided body 13b of the main body part 13 in a slanting direction and in a shallow groove shape, and 13g is recessed in the inner peripheral surface of each support hole 13a. And a plurality of ring-shaped recesses that prevent the positional displacement of the hose 10, and 13 h are ribs that are formed on the upper and lower outer peripheral edges of the main body 13 and are positioned with respect to the fixed portion 12.

Next, the routing of the hose 10 using the support member 11 will be described.
The hose 10 is appropriately sandwiched between the concave portions 13e of the first, second, and third divided bodies 13b, 13c, and 13d of the main body 13, and the divided bodies 13b, 13c, and 13d are integrated in a front-rear direction abutting shape. As a result, the hose 10 is inserted into the support hole 13a. On the other hand, the rear piece 12c constituting the fixing portion 12 is fixed to the rear hole edge portion of the through hole 6a of the machine body frame 6 using the bolt 15, and the hose is formed in the concave portion 12d of the rear piece 12c in the above-described procedure. 10 is inserted in a state where the hose 10 passes through the through hole 6a, and the front piece 12b is pressed against the front end surface 12e of the rear piece in a pressing manner, and the protrusion 12h is It is inserted into the through-hole 6a, and in this state, it is integrated with the rear piece 12c of the front piece 12b by screwing with the front end surface 12e using the screw 14, and is thus supported by the body frame through-hole 6a. It is set so that the hose 10 can be routed through the member 11.

  At this time, since the fixing portion through-hole 12a is inclined with respect to the body frame 6 in the main body portion 13, each support hole 13a of the main body portion 13 fitted along the fixing portion through-hole 12a is formed in the through-hole 12a. As a result, the hoses 10 extending from the operation lever 9 are supported in an inclined state in which the front is low with respect to the body frame through-hole 6a. It is configured to be supported separately, so that it is possible to maintain an unreasonable natural posture with respect to each hose 10 when routing from the rear upper part to the front lower part of the body frame 6. Yes. Further, in this state, the front piece portion 12b of the fixing portion 12 is fixed when a protruding piece 12h protruding downward is fitted into the through hole 6a, and a load acts on the fixing portion 12 thereby. It is set so that rattling at the front part of the part 12 can be prevented.

  In the state where the support member 11 is fixed to the body frame 6, the main body portion 13 attached in an inclined posture with respect to the fixing portion 12 is formed long in the hole length direction. The upper edge of the first divided body 13b side protrudes upward, and the lower edge of the rear (lower edge part of the third divided body 13d side) protrudes downward. Thus, the front part protrudes upward, the recessed groove bottom surface 12g extends downward, and the inner side surface constituting the through hole 12a is configured to almost fit the outer peripheral surface of the main body part 13, thereby The fixing by the fixing part 12 of the main body part 13 is set so as to be more reliable. Further, when the front piece 12b of the fixing portion 12 is abutted and fixed to the rear piece 12c in which the main body 13 is fitted in the recess 12d, the hose 10 is inserted into the main body 13. For this reason, it is assumed that the front end surface 12e of the rear piece swells forward, but in the present embodiment, a long groove 13f is formed on the front surface of the first divided body 13b of the main body portion 13. When the front piece 12b is pressed against the main body 13, the portion is positively elastically deformed so that the rear piece 12c and the front piece 12b can be reliably fixed. Thus, the fixing portion 12 is set so that the fixing of the main body portion 13 is ensured and the vibration of the hose 10 supported by the main body portion 13 can be effectively suppressed.

  In the present embodiment configured as described, the plurality of hoses 10 connected to the operation lever 9 are extended downward, drawn downward from the body frame through hole 6a, and drawn forward. In this case, each hose 10 extends downward via a support member 11 fixed to the through hole 6a, and is separately supported by a plurality of support holes 13a formed in the support member main body 13 respectively. Thus, the hoses 10 do not interfere with each other. Further, in this case, since the main body portion 13 is in an inclined posture that becomes lower toward the front, the hose 10 may be forcibly bent when the hose 10 is routed so as to reach the lower front of the body frame 6. Therefore, the hose 10 as an insertion member can be protected. In addition, in this case, the main body 13 that supports the hose 10 can be elastically deformed, but the fixing portion 12 is fixed to the body frame 6 without elastic deformation, so that the fixing portion 12 is loaded. Even if the hose 10 acts, the hose 10 is not affected, and even if any hose 10 pulsates, it is possible to eliminate the problem that the pulsation spreads to other hoses.

  Further, in this device, the main body 13 is divided so as to divide the support holes 13a in two, so that it is easy to insert the hose 10 into each support hole 13a, and the assembly work is facilitated. In addition to being excellent, the hose 10 can be protected.

  In addition, in this case, since the support hole 13a is formed long in the hose length direction, the support of the hose 10 is more reliable. As described above, the main body 13 divides the support hole 13a in two. Since it is a split type, the hose 10 can be easily supported on the main body 13.

  Moreover, in this thing, when dividing | segmenting the main-body part 13 so that the support hole 13a may be divided into two, since the division | segmentation surface is divided | segmented so that it may face the same direction as the division | segmentation surface of the fixing | fixed part 12, it is to the support member 11. The hose 10 can be easily assembled, and the support member 11 itself can be easily assembled, so that the workability can be improved.

Of course, the present invention is not limited to the above-described embodiment, and may be configured as in the second embodiment shown in FIGS.
The support member 16 of the second embodiment includes a main body portion 17 formed of a thick elastic material and a fixing portion 18 that is fixed to the body frame 6. In this structure, the main body portion 17 has a substantially rectangular parallelepiped outer shape, and one rectangular support hole 17a is formed at the center portion. For example, a harness is bundled as an insertion member, and a cover 19 is used. It is comprised so that the thing of the state covered can be penetrated. Here, the cover 19 is formed in a pipe shape with a flexible member such as a resin material, and is configured to be bundled by inserting a plurality of harnesses into the cylindrical hole. ing.
The support hole 17a is formed so that front and rear hole side surfaces 17b and 17c are inclined so as to be lower toward the front, thereby supporting a harness or the like in a posture inclined with respect to the body frame 6. . Further, the main body portion 17 is divided into front and rear parts so as to divide the support hole 17a into two parts, and is supported by abutting recesses 17f formed on the inner side surfaces of the first divided body 17d and the second divided body 17e. A hole 17a is formed. A concave groove 17g that is recessed toward the inner side is formed on the peripheral surface excluding the front surface of the outer peripheral surface that is located at the middle portion in the vertical direction of each of the divided bodies 17d and 17e.

On the other hand, the fixed portion 18 includes a rear piece portion 18a formed of a flat plate formed in a U shape in plan view, and a connecting piece portion bent upward from the front edge portion of the rear piece portion 18a. 18b is composed of a two-part body with a front piece portion 18c formed of a plate-like body abutted from the front, and by fixing the front piece portion 18c to the connecting piece portion 18b in abutment shape, between these In addition, a through hole 18d for sandwiching the main body portion 17 is formed.
And the fixing | fixed part 18 is set so that it may fix to the body frame 6 by screwing the side piece part 18e located in the right and left of the rear piece part 18a to the hole edge of the body frame through-hole 6a with the volt | bolt 20. Yes. Then, between the first and second divided bodies 17d and 17e, a cover 19 through which a harness is inserted is assembled into a butted shape, and a concave groove portion 17g formed on the outer periphery of the butted main body portion 17 is formed. The front piece 18c is fitted in a state where it is fitted (externally fitted) to the inner diameter side edge of the rear piece 18a fixed in advance, and the front piece 18c is connected to the upper half of the front surface of the first divided body 17d and the connecting piece of the rear piece 18a. The front piece 18c and the connecting piece 18b are screwed together with the screw 21 so as to abut against the portion 18b, so that the main body 17 is fixed to the fixed portion 18 in an integrated state. 16 is fixed to the body frame 6 and is set so that a harness or the like is supported via the support member 16.

  Then, the harness that has been inserted into the cover 19 and put together is to be routed in a state of penetrating the body frame 6, but in this case, the harness is not forced to be bent, The harness is protected by being bent in a naturally bent state.

1 is an overall perspective view of a construction machine. It is a partially expanded side view of the principal part. It is a perspective view explaining the structure of the body frame in a driver's seat part. It is a top view of a supporting member. 5A and 5B are a side view and a cross-sectional view, respectively, for explaining the mounting state of the support member. It is a disassembled perspective view of a support member. It is a perspective view which shows the assembly | attachment state of a supporting member. It is a top view of the support member in a second embodiment. FIGS. 9A and 9B are a side view and a cross-sectional view for explaining a mounting state of the support member in the second embodiment, respectively. It is a disassembled perspective view of the support member in 2nd embodiment. It is a side view explaining the attachment state of the support member in 2nd embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hydraulic excavator 3 Upper revolving body 6 Airframe frame 7 Seat 9 Operation lever 10 Hose 11 Support member 12 Fixed part 12a Through-hole 12b Front piece part 12c Rear piece part 13 Main-body part 13a Support hole 14 Screw

Claims (5)

  A through hole is formed in the body frame member, and when the insertion member such as a plurality of hoses and harnesses is inserted into the through hole through the support member, the support member includes a fixing portion fixed to the body frame, A support structure for an insertion member in a construction machine, comprising: a main body portion fixed to the fixing portion and formed with a support hole that supports the insertion member in an inclined manner with respect to the body frame.   2. The support structure for an insertion member in a construction machine according to claim 1, wherein the main body is configured so that the support hole can be divided into two.   3. The support structure for an insertion member in a construction machine according to claim 1, wherein a plurality of support holes are formed in the main body.   4. The support structure for an insertion member in a construction machine according to claim 1, 2, or 3, wherein the support hole is formed long in the hole length direction.   5. The fixing portion according to claim 2, 3 or 4, wherein the fixing portion is divided in two so as to sandwich the main body portion from both sides, and the main body portion has a dividing surface that divides the support hole oriented in the same direction as the dividing surface of the fixing portion. The support structure of the insertion member in the constructed construction machine.

Images