JP7388136B2 - Cable tie supports and work vehicles - Google Patents

Description

The present invention relates to a cable tie supporter and a work vehicle. More specifically, the present invention relates to a cable tie supporter and a work vehicle used for fixing objects to be bound, such as a plurality of cables.

In a work vehicle equipped with an outrigger device, the hydraulic jack provided at the end of the outrigger device includes a flexible pipe 51 (see FIG. 11) for supplying hydraulic pressure, and a sensor for monitoring the state of the hydraulic jack. A cable 52 for electric wires is provided in parallel. These cables, etc. (hereinafter, in this specification, long objects to be bundled such as pipes, cables, and flexible hydraulic piping may be referred to as "cables, etc.") are used to control the outward movement of the outrigger device, and It needs to work with an inward motion. Conventionally, the flexible piping 51 and the electric wire cable 52 were tied together using cable ties 53 at regular intervals so that the flexible piping 51 and the electric wire cable 52 could be handled as one unit, and the flexible piping 51 and the electric wire cable 52 were operated in this state. .

However, since the three cables have different diameters and materials, they each have different resistance to bending. FIG. 11 shows an explanatory diagram of a case where cables and the like are fixed using a conventional bundling method. FIG. 11(A) is a cross-sectional view from the axial direction of the cables, etc. immediately after they are tied together with the cable ties 53, and FIGS. 11(B) and (C) are the cables, etc. FIG. 3 is a cross-sectional view taken from the axial direction of the cable and the like in an operating state.

Immediately after the bundled cables, etc. are fixed with the cable tie 53, as shown in FIG. When operated over a period of time, the operation results in, for example, the state shown in FIG. 11(B) or the state shown in FIG. 11(C). In such a situation, if the bent part of the cable, etc. is the middle part between the cable ties 53, a gap will be created between the cables, etc., and there is a risk that other parts will get caught in the gap, causing damage to the cable, etc. there were. On the other hand, there have been cases in which a method has been adopted in which three cables or the like are first fixed with vinyl tape and then fixed with cable ties 53 from above the vinyl tape.

Moreover, as a structure for fixing a cable or the like, Patent Document 1 discloses a structure in which a covering member made of an elastic body and a tightening member that clamps the covering member on both sides are combined. Patent Document 1 is a document related to a pipe holding structure for fixing pipes having different diameters, such as a fuel pipe or a brake pipe, which are laid under the floor of a vehicle. In this document, the cable etc. are fixed at a predetermined position and do not move themselves.

Japanese Patent Application Publication No. 2005-106162

The method of applying vinyl tape and fixing it with cable ties has a problem in that the quality of the vinyl tape is difficult to stabilize because the installation of the vinyl tape varies from person to person. Additionally, vinyl tape may deteriorate over time, resulting in gaps between cables, etc., similar to the case where only cable ties are used.

The pipe holding structure disclosed in Patent Document 1 is based on the premise that the holding structure is fixed to a predetermined member. Therefore, the weight of the elements of the holding structure, such as the covering member and the tightening member, is large, and these cannot be applied as they are to parts where cables and the like operate.

In view of the above circumstances, the present invention provides a cable tie supporter that allows cable ties of different types to be tied together in a lightweight and simple manner using a cable tie, and in which the state of the cable ties hardly changes over time. , and a work vehicle using this cable tie supporter.

A cable tie supporter according to a first aspect of the present invention is a cable tie supporter used when binding objects having a predetermined diameter with a cable tie, and the cable tie supporter includes: for sandwiching the objects to be bound; It is configured to include a first support piece and a second support piece, and at least one of the first support piece and the second support piece has three or more parallel fixing grooves for arranging the object to be bound. The first support piece and the second support piece are provided in parallel with one end of the first support piece and the second support piece in a parallel direction of the axis of the fixing groove. One end of the first support piece and the other end of the second support piece are connected to one end of the first support piece, and the other end of the second support piece is connected to the object to be bound with the cable tie. At this time, the outer side of the first support piece and the second support piece are spaced apart by a predetermined distance, and the parts of the fixing groove that are not located at both ends of the fixing groove are sandwiched with the object to be bound. The length of the outer side of the object to be bound in the pressing direction is the outer side of the first support piece and the second support piece in a state where the object to be bound is sandwiched between the parts of the fixing groove located at both ends of the fixing groove. It is characterized by being longer than the length of the outer side of the object to be bound in the pressing direction.
In the cable tie supporter of a second aspect of the invention, in the first aspect, the fixing groove is provided with a first convex portion for suppressing movement of the object to be bound in the axial direction of the fixing groove. It is characterized by
In the cable tie supporter according to a third aspect of the invention, in the first or second aspect, the fixing groove is provided with a second convex portion for suppressing rotation of the object to be bound in the circumferential direction of the fixing groove. It is characterized by
The cable supporter of a fourth aspect of the present invention is characterized in that in any one of the first to third aspects, at least one of the first support piece or the second support piece has an axial direction of the fixing groove of the cable tie. It is characterized by being provided with a movement prevention groove for preventing movement.
A cable tie supporter according to a fifth aspect of the present invention is characterized in that, in any one of the first to fourth aspects, a cable tie used for bundling is provided on the outside of at least one of the first support piece or the second support piece. The cable tie is characterized by being provided with a cutting recess into which the tip of a cable tie cutting tool is inserted when cutting.
A cable tie supporter according to a sixth aspect of the present invention is characterized in that, in any one of the first to fifth aspects, when the object to be bound, which is sandwiched between the fixing grooves, is bent at a predetermined curvature, It is characterized in that a chamfered portion is provided to prevent contact with the end portion of the fixing groove.
A work vehicle of a seventh invention is a work vehicle having an outrigger device, wherein the cable tie supporter of any one of the first to sixth inventions is connected to a hydraulic pipe for a hydraulic jack of the outrigger device and to a hydraulic pipe for a hydraulic jack of the outrigger device. It is characterized by being used for bundling the signal cable of the sensor being used.
A cable tie supporter according to an eighth aspect of the present invention is a cable tie supporter used when binding objects having a predetermined diameter with a cable tie, and the cable tie supporter includes: for sandwiching the objects to be bound; It is configured to include a first support piece and a second support piece, and at least one of the first support piece and the second support piece has three or more parallel fixing grooves for arranging the object to be bound. The objects to be bound are provided on the outside of the first support piece and the outside of the second support piece in a state where the object to be bound is sandwiched in a portion of the fixing groove that is not located at both ends of the fixing groove. The object to be bound is located outside the first support piece and outside the second support piece in a state where the object to be bound is sandwiched in the portion of the fixing groove whose length in the pressing direction is located at both ends of the fixing groove. The outside of at least one of the first support piece and the second support piece is provided with a cutting tool for the cable tie when cutting the cable tie used for bundling. It is characterized by being provided with a cutting recess into which the tip enters.

According to the first invention, when the object to be tied is sandwiched, the length of the outside of the first support piece and the outside of the second support piece of the cable tie supporter in the pressing direction is the same as that of the fixing groove that is not located at both ends. Because the part of the cable tie is longer than the part of the fixing groove located at both ends, when the cable tie is tightened, the tightening force of the cable tie is increased even on objects to be tied that are not located on both sides. act. As a result, even cables of different types can be tied together using cable ties in a lightweight and simple manner. Further, it is possible to prevent the relative distance and positional relationship between the objects to be bound from changing. That is, there is almost no change over time in the bundling state of the cables and the like.
According to the second invention, the fixing groove is provided with the first convex portion for suppressing the movement of the object to be bound in the axial direction of the fixing groove. is suppressed. Thereby, it is possible to reliably prevent changes in the relative distance and positional relationship between the objects to be bound.
According to the third invention, since the fixing groove is provided with the second convex portion for suppressing rotation of the object to be bound in the circumferential direction of the fixing groove, rotation of the object to be bound in the circumferential direction is suppressed. Ru. Thereby, changes in the relative distance and positional relationship between the objects to be bound can be more reliably prevented.
According to the fourth invention, the movement prevention groove for preventing movement of the cable tie is provided in the first support piece, etc., so that the cable tie slides on the outer surface of the cable tie supporter, and the cable tie is removed from the cable tie supporter. It is possible to prevent the tie from coming off.
According to the fifth invention, since the first support piece etc. is provided with a cutting recess into which the tip of the cable tie cutting tool enters, the cable tie can be easily cut without damaging the cable tie supporter. can do.
According to the sixth invention, since the fixing groove is provided with a chamfered portion having a predetermined shape, even when the objects to be bound are bent, the ends of the fixing groove and the objects to be bound do not come into contact with each other. , the force with which the first convex portion presses the object to be bound does not become small.
According to the seventh invention, the cable tie supporter according to any one of the first invention to the sixth invention is used for cables, etc. of an outrigger device, so that the bundled portion of the cables, etc. does not become unnecessarily large, and the cable Since the binding is maintained for a long period of time, maintenance work is reduced.

FIG. 2 is an explanatory diagram of the cable tie supporter according to the first embodiment of the present invention from a perspective direction. FIG. 2 is an explanatory diagram of the cable tie supporter of FIG. 1 in a usage state from a perspective direction. FIG. 2 is a front view of the cable tie supporter of FIG. 1; FIG. 2 is a plan view of the cable tie supporter of FIG. 1; FIG. 2 is a side view of the cable tie supporter of FIG. 1; FIG. 2 is a cross-sectional view of the cable tie supporter of FIG. 1 from the front. FIG. 2 is a cross-sectional view from the side of the cable tie supporter of FIG. 1; FIG. 2 is a side view of a loading truck crane in which the cable tie supporter of FIG. 1 is used. FIG. 9 is a hydraulic circuit diagram of the loading type truck crane of FIG. 8; 9 is a control circuit diagram of the loading type truck crane of FIG. 8. FIG. It is an explanatory view of a conventional bundling method. (A) is a cross-sectional view taken from the axial direction of the cables and the like immediately after being bundled. (B) is a cross-sectional view from the axial direction of the cables, etc., in a state where the cables, etc. have been operated a predetermined number of times after bundling. (C) is a cross-sectional view from the axial direction of the cables, etc., in a state where the cables, etc. have been operated a predetermined number of times after bundling.

Next, embodiments of the present invention will be described based on the drawings. However, the embodiments shown below illustrate a cable tie supporter and a working vehicle for embodying the technical idea of the present invention, and the present invention specifies the cable tie supporter and working vehicle as follows. do not. Note that the sizes, positional relationships, etc. of members shown in each drawing may be exaggerated for clarity of explanation. Furthermore, the term "parallel" means "substantially parallel", and does not necessarily have to be strictly "parallel".

<Cable tie supporter 10>
FIG. 1 is an explanatory diagram of the cable tie supporter 10 according to the first embodiment of the present invention as viewed from a perspective direction, and FIG. 2 is an explanatory diagram of the usage state of the cable tie supporter 10 according to the present embodiment as viewed from a perspective direction. shows. Note that when explaining the cable tie supporter 10 according to the present embodiment, the top and bottom, left and right, and front and back displays are displayed based on the coordinates shown in FIGS. 1 to 7. The cable tie supporter 10 is used when binding objects 19 having a predetermined diameter with cable ties 18. A plurality of objects 19 to be bound are sandwiched between the cable tie supports 10, and the cable ties 18 are wound around the outside of the cable tie supports 10 in this state. The cable tie supporter 10 can apply the force for binding the cable ties 18 to the object 19 more evenly.

FIG. 2 shows a case where there are three objects 19 to be bound. In FIG. 2, objects 19 to be bound are arranged in parallel in the left-right direction. That is, the axes of the three objects 19 to be bound exist within the same plane. In this embodiment, the first object to be bound 19a and the third object to be bound 19c have the same diameter, whereas the second object to be bound 19b has a smaller diameter than the first object to be bound 19a. There is. In the example of FIG. 2, since the cable tie supporter 10 has three objects 19 to be tied, three fixing grooves 13 are provided in parallel. The fixing groove 13 provided in the cable tie supporter 10 has a shape corresponding to the size of each object 19 to be bound.

FIG. 3 shows a front view of the cable tie supporter 10 according to the present embodiment, FIG. 4 shows a plan view thereof, and FIG. 5 shows a right side view. Similar to the cable tie 18, the material of the cable tie supporter 10 according to the present embodiment is preferably resin such as nylon or polypropylene in consideration of cost and weight. However, there is no problem even if it is made of metal.

As shown in FIGS. 1 and 3, the cable tie supporter 10 includes a first support piece 11 and a second support piece 12 for sandwiching an object 19 to be tied. In the paper of FIG. 3, the first support piece 11 is located on the upper side with the third fixing groove 13c sandwiched from the first fixing groove 13a, and the second support piece is located on the lower side. It is 12. In this embodiment, the first support piece 11 and the second support piece 12 are connected at their left ends in the plane of FIG. 3 . However, the form of the cable tie supporter 10 is not limited to this. For example, the first support piece 11 and the second support piece 12 may be separate parts, or may be connected between the first fixing groove 13a and the second fixing groove 13b. . In the cable tie supporter 10 of this embodiment, the direction in which the objects to be bound 19 are pressed is the vertical direction.

In this embodiment, three first fixing grooves 13a, second fixing grooves 13b, and third fixing grooves 13c are provided in parallel on the lower side of the first support piece 11. These fixing grooves 13 are formed based on the size of each object 19 to be bound. In this embodiment, the diameter of the second object to be bound 19b is smaller than the diameter of the first object to be bound 19a and the diameter of the third object to be bound 19c, and the sizes of the three fixing grooves 13 are adjusted accordingly. However, the size and arrangement of the fixing groove 13 are not limited to this. FIG. 6 shows a sectional view from the front of the cable tie supporter 10 according to this embodiment. In FIG. 6, the cable tie supporter 10 is shown in the positional relationship when the objects 19 to be tied are placed in each fixing groove 13. As shown in FIG. 6, the fixing groove 13 in the first support piece 11 needs to have a contact portion of at least a predetermined proportion of the circumference of the object to be bound 19 in order to press the object to be bound 19. . The contact portion has a contact portion that is 1/6 or more of the circumference of the object to be bound 19, that is, a contact portion that is 60° or more at the center angle θ of the fixing groove 13. Further, it is preferable to have a contact portion of 1/4 or more of the circumference of the object to be bound 19, that is, a contact portion of 90° or more at the central angle θ of the fixing groove 13. It is preferable that these contact portions have a shape that is symmetrical about the vertical axis.

In this embodiment, three parallel fixing grooves 13a, 2nd fixing groove 13b, and 3rd fixing groove 13c are provided on the upper side of the second support piece 12, similarly to the first support piece 11. . In addition, in this embodiment, although the fixing groove 13 is provided in both the 1st support piece 11 and the 2nd support piece 12, it is not limited to this. For example, these fixing grooves 13 may be provided on either the first support piece 11 or the second support piece 12.

As shown in FIG. 6, in the cable tie supporter 10 of this embodiment, the length of each fixing groove 13 in the vertical direction, that is, in the direction in which the object to be bound 19 is pressed is defined. That is, the length Xb of the outside of the first support piece 11 and the outside of the second support piece 12 in the part of the second fixing groove 13b that is not located at both ends of the fixing groove 13 is It is longer than the length Xa of the outer side of the first support piece 11 and the outer side of the second support piece 12 in the portion of the first fixing groove 13a that is one of the fixing grooves 13 located therein. In addition, Xb is from the length Xc of the outside of the first support piece 11 and the outside of the second support piece 12 in the third fixing groove 13c, which is the other fixing groove 13 located at both ends of the fixing grooves 13. It's also getting longer. Note that the length in the pressing direction is the length at the portion tightened by the cable tie 18, that is, at the movement prevention groove 16 described later.

With the above configuration, when the cable tie 18 is tightened, the cable tie 18 is also applied to the objects 19 that are not located on both sides, that is, the second object 19b that is located in the center of the three. Tightening force is applied. As a result, even cables of different types can be tied together using the cable tie 18 in a lightweight and simple manner. Further, it is possible to prevent changes in the relative distance and positional relationship between the objects 19 to be bound. That is, there is almost no change over time in the bundling state of the cables and the like.

Note that the lengths Xa to Xc refer to the longest part of the length of the portion in contact with the object to be bound 19 in the vertical direction, that is, in the direction in which the object to be bound 19 is pressed. In the second fixing groove 13b corresponding to the second object to be bound 19b in FIG. 6, the portion excluding the cutting recess 17, which will be described later, is The vertical length of the closest part is Xb. In the first fixing groove 13a corresponding to the first object to be bound 19a, the length in the vertical direction of the leftmost portion of the contact portion corresponding to the center angle θ is Xa. In the third fixing groove 13c corresponding to the third object to be bound 19c, the length in the vertical direction of the rightmost portion of the contact portion corresponding to the center angle θ is Xc.

As shown in FIGS. 1 and 3, the cable tie supporter 10 according to the present embodiment has a first protrusion in the fixing groove 13 for suppressing movement of the object 19 in the axial direction of the fixing groove 13. A section 14 is provided. The first convex portion 14 is a rail-shaped convex portion, and is preferably provided along the circumferential direction of the fixing groove 13 in order to suppress movement of the object to be bound 19 in the axial direction. In this embodiment, the first convex portion 14 is provided in each of the first fixing grooves 13a, the second fixing grooves 13b, and the third fixing grooves 13c, one at the center of the front and back. Further, the first convex portion 14 is provided on both the first support piece 11 and the second support piece 12. However, the shape and arrangement of the first convex portion 14 are not limited to those shown in FIGS. 1 and 3.

Since the first protrusion 14 is provided in the fixing groove 13 to suppress movement of the object 19 in the axial direction of the fixing groove 13, movement of the object 19 in the axial direction is suppressed. be done. Thereby, it is possible to reliably prevent the relative distance and positional relationship between the objects 19 to be bound from changing.

As shown in FIGS. 1 and 3, the cable tie supporter 10 according to the present embodiment has a second convex portion in the fixing groove 13 for restraining the object 19 from rotating in the circumferential direction of the fixing groove 13. 15 are provided. The second convex portion 15 is a rail-shaped convex portion, and is preferably provided in parallel to the axis of the fixing groove 13 in order to suppress rotation of the object 19 in the circumferential direction. In this embodiment, the second convex portion 15 is provided on both the first support piece 11 and the second support piece 12. Further, four second convex portions 15 are provided in each of the first fixing grooves 13a, second fixing grooves 13b, and third fixing grooves 13c at equal intervals in the circumferential direction. However, the shape and arrangement of the second convex portion 15 are not limited to those shown in FIGS. 1 and 3.

By providing the second convex portion 15 in the fixing groove 13 to suppress rotation of the object 19 in the circumferential direction of the fixing groove 13, rotation of the object 19 in the circumferential direction is suppressed. Thereby, changes in the relative distance and positional relationship between the objects 19 to be bound can be more reliably prevented.

As shown in FIG. 1, FIG. 2, FIG. 4, and FIG. A movement prevention groove 16 is provided to prevent movement in the axial direction, that is, in the front-back direction. This movement prevention groove 16 is provided at the center of the cable tie supporter 10 in the front-rear direction. This anti-movement groove 16 has a width corresponding to the width of the cable tie 18 and a depth corresponding to the thickness of the cable tie 18. Further, the cable tie 18 has a head through which a string portion of the cable tie 18 passes and fixes the string portion, but the cable tie supporter 10 according to the present embodiment has a head portion that fixes the string portion, as shown in FIG. The right end portion of the cable tie supporter 10 matches the size of the head of the cable tie 18, so that the head of the cable tie 18 does not protrude. In addition, in this embodiment, although the movement prevention groove 16 was provided in both the 1st support piece 11 and the 2nd support piece 12, it is not limited to this. For example, it is also possible to provide it on either one.

Since the movement prevention groove 16 for preventing movement of the cable tie 18 is provided in the first support piece 11 etc., the cable tie 18 slides on the outer surface of the cable tie supporter 10, and the cable tie 18 is slid from the cable tie supporter 10. 18 can be prevented from coming off.

As shown in FIGS. 1, 4, and 6, the cable tie supporter 10 according to the present embodiment allows the tip of the cutting tool of the cable tie 18 to enter the outside of the first support piece 11 and the second support piece 12. A cutting recess 17 is provided. After the cable tie 18 binds the objects 19 using the cable tie supporter 10, the cable tie 18 may be cut for maintenance or the like. At this time, the main body of the cable tie supporter 10 may be damaged by the tip of a nipper or the like that is a cutting tool for the cable tie 18. In order to avoid this, the cable tie supporter 10 according to this embodiment is provided with a cutting recess 17. Since there are three objects 19 in this embodiment, this cutting recess 17 is provided at the second object 19b in the left and right center. However, the portion where the cutting recess 17 is provided is not limited to this. In this embodiment, the cutting recess 17 has a triangular cross section, as shown in FIG. In this embodiment, the longitudinal length of the cutting recess 17 is longer than the length of the movement prevention groove 16. In addition, in this embodiment, although the cutting recessed part 17 was provided in both the 1st support piece 11 and the 2nd support piece 12, it is not limited to this. For example, it is also possible to provide it on either one.

The cable tie 18 can be easily cut without damaging the cable tie supporter 10 by providing the cutting recess 17 in the first support piece 11 etc. into which the tip of the cutting tool for the cable tie 18 enters. I can do it.

FIG. 7 shows a sectional view from the side of the cable tie supporter 10 of this embodiment. This cross-sectional view is a cross-sectional view at the third fixing groove 13c, as shown in FIG. Chamfered portions 113 are provided at the front and rear ends of the fixing groove 13 of the cable tie supporter 10 in this embodiment. The chamfered portion 113 prevents the object 19c sandwiched between the fixing grooves 13c from coming into contact with the front and rear ends of the fixing grooves 13c when the object 19c is bent at a predetermined curvature. This chamfered portion 113 is also provided in the fixing groove 13a and the fixing groove 13b.

Since the chamfered portion 113 of a predetermined shape is provided in the fixing groove 13, even when the object to be bound 19 is bent, the end of the fixing groove 13 and the object to be bound do not come into contact with each other. The force with which the convex portion 14 presses the object 19 to be bound does not become small.

Although the cable tie supporter 10 according to the present embodiment has been described with reference to three objects 19, the present invention is not limited thereto, and there may be four or more objects.

Further, as shown in FIG. 6, the supporter for the cable tie 18 may be of an undefined length, and a form in which the first convex portion 14 is provided, or a form in which the second convex portion 15 is provided. Furthermore, a configuration in which a first convex portion 14 and a second convex portion 15 are provided is also conceivable.

<Work vehicle>
A work vehicle in which the cable tie supporter 10 according to the first embodiment of the present invention is used is equipped with an outrigger device 33, and specifically includes a mobile crane such as an all-terrain crane, a rough terrain crane, a truck crane, Examples include a loading truck crane 20 and the like. In the following, the loading type truck crane 20 will be explained as an example. In the description of the work vehicle, the front, rear, left, and right directions are based on the user of the loading truck crane 20 riding in the driver's cab 27 of the vehicle body.

(Loading truck crane 20)
FIG. 8 shows a side view of a loading type truck crane 20 in which the cable tie supporter 10 according to the first embodiment of the present invention is used. As shown in FIG. 8, the loading truck crane 20 has a crane device 22 mounted on a vehicle frame 29 between a driver's cab 27 and a loading platform 28 of a general-purpose truck 21. As shown in FIG. The general-purpose truck 21 is provided with front wheels and rear wheels symmetrically.

As shown in FIG. 8, the crane device 22 includes a base 30 fixed on a vehicle frame 29, a post 31 that is rotatably provided with respect to the base 30, and a post 31 that is provided on the upper end of the post 31 so that it can be raised and lowered. A boom 32 is provided, and an outrigger device 33 is provided on the base 30 and extends outward from the base 30 to the left and right. That is, the outrigger device 33 is located between the operator's cab 27 and the cargo platform 28 when viewed from the side. The outrigger device 33 includes an outer case fixed to the base 30 and a slide arm that slides inside the outer case. Further, hydraulic jacks 38 are provided at the left and right ends of the slide arm, respectively.

The post 31 has a built-in winch. The hook 34 is suspended from the tip of the boom 32 by leading a wire rope from this winch to the tip of the boom 32 and wrapping it around the hook 34 via a pulley at the tip of the boom 32.

The crane device 22 is hydraulically driven by a hydraulic circuit 40. A group of levers 35 for operating this hydraulic circuit 40 is provided on both left and right sides of the base 30. Further, a control device 23 that electrically controls the hydraulic circuit 40 and controls the work vehicle is provided on the base 30.

(Hydraulic circuit 40)
FIG. 9 shows a hydraulic circuit diagram of the loading type truck crane 20. As shown in FIG. 9, the hydraulic circuit 40 of the crane device 22 mainly includes a hydraulic valve unit 41, a hydraulic pump 43 that supplies hydraulic oil in a tank 42 to the hydraulic valve unit 41, and a hydraulic pump 43 and a hydraulic valve. A main oil passage 44 that connects the unit 41 and a return oil passage 45 that connects the hydraulic valve unit 41 and the tank 42 perform the raising and lowering operation of the crane device 22, the extending and retracting operation of the boom 32, the turning operation of the boom 32, etc. The structure includes a plurality of crane device actuators 46, an outrigger slide actuator 39, and two jacks 38. The crane device actuator 46, the slide actuator 39, and the jack 38 are connected to the hydraulic valve unit 41.

The hydraulic pump 43 is connected to the engine 36 of the general-purpose truck 21 via a PTO (power take-off) device, and is driven by the engine 36.

The hydraulic valve unit 41 includes a boom rotation control valve 47a, a boom extension/contraction control valve 47b, a boom hoisting control valve 47c, a right side jack control valve 48a, a left side jack control valve 48b, a right slide control valve 48c, and a left slide control valve. A control valve 48d is provided. The boom rotation control valve 47a is connected to the boom rotation actuator 46a, the boom expansion/contraction control valve 47b is connected to the boom expansion/contraction actuator 46b, the boom hoisting control valve 47c is connected to the boom hoisting actuator 46c, and the winch control valve 47d is connected to the boom rotation actuator 46a. Each is connected to a winch hydraulic motor 46d. Further, the right jack control valve 48a is connected to the jack 38 located on the right side, the left jack control valve 48b is connected to the jack 38 located on the left side, and the right slide control valve 48c is connected to the slide actuator 39 for the outrigger that extends to the right side. , the left slide control valve 48d is connected to a slide actuator 39 for an outrigger that extends to the left.

A lever is attached to each of these switching control valves, and by manually operating the lever, the direction and flow rate of the hydraulic oil supplied from the hydraulic pump 43 can be switched. The levers attached to the control valve are provided on both left and right sides of the base 30 as a lever group 35 (see FIG. 8).

The control device 23 is also connected to an ECU (engine control unit) of the engine 36, and is configured to be able to control at least the rotation speed of the engine 36. The control device 23 can control the rotation speed of the hydraulic pump 43 by controlling the rotation speed of the engine 36, and can adjust the discharge amount of the hydraulic pump 43.

(control circuit)
FIG. 10 shows a control circuit diagram of the loading type truck crane 20. On the input side of the control device 23, two load detectors 24a, a boom length detector 24b, a boom rotation angle detector 24c, a boom hoisting angle detector 24d, and a hoisting support force detector 24e are electrically connected. connected. Further, on the output side of the control device 23, a boom rotation control valve 47a, a boom extension/contraction control valve 47b, a boom hoisting control valve 47c, a winch control valve 47d, a right side jack control valve 48a, a left side jack control valve 48b, The right slide control valve 48c and the left slide control valve 48d are electrically connected.

The boom length detector 24b is for detecting the length of the boom 32, and is, for example, a cord feeding length detector. The cord unwinding length detector detects the unwinding length of the length measuring cord by detecting the amount of rotational displacement of the cord winder.

The boom rotation angle detector 24c is for detecting the rotation angle of the boom 32, and is arranged on the base side of the post 31. For example, the boom rotation angle detector 24c is a potentiometer. A rotary encoder may be used instead of this potentiometer.

The boom undulation angle detector 24d is for detecting the undulation angle of the boom 32, and is arranged on the base side of the boom 32. For example, the boom elevation angle detector 24d is a potentiometer. A rotary encoder may be used instead of this potentiometer.

The load detector 24a is a pressure gauge that detects the differential pressure within the left and right jacks 38 of the outrigger device 33.

In the loading type truck crane 20, a jack 38 is provided at the tip of the outrigger device 33, and two flexible hydraulic pipes for operating the jack 38 and one electric wire cable for the load detector 24a are connected to the loading truck crane 20. It is arranged toward the jack 38 from the main body of the truck crane 20. The cable tie supporter 10 according to this embodiment is used for bundling these cables and the like.

By using the cable tie supporter 10 for the cables, etc. of the outrigger device 33, the bundling portion of the cables, etc. does not become unnecessarily large, and the bundling of the cables, etc. is maintained for a long period of time, so maintenance work is reduced. Ru.

The cable tie supporter 10 according to the present invention can be used not only for the cable tie 18 but also for other binding bands. Moreover, what is bound by the cable tie supporter 10 is not limited to cables. Furthermore, the cable tie supporter 10 can also be used for equipment other than work vehicles, such as machine tools.

10 Cable tie supporter 11 First support piece 12 Second support piece 13 Fixing groove 14 First convex part 15 Second convex part 16 Movement prevention groove 17 Cutting concave part 18 Cable tie 19 Object to be tied 20 Loading type truck crane (work vehicle )
33 Outrigger device 38 Hydraulic jack 113 Chamfered portion

Claims (8)

A cable tie supporter used when binding objects having a predetermined diameter with a cable tie,
The cable tie supporter includes a first support piece and a second support piece for sandwiching the object to be tied,
At least one of the first support piece or the second support piece is provided with three or more fixing grooves in parallel for arranging the object to be bound,
The first support piece and the second support piece have one end of the first support piece and an end of the second support piece in a parallel direction of the axes of the fixing grooves provided in parallel. is connected to one of the
The other end of the first support piece and the other end of the second support piece are separated by a predetermined distance when the objects to be bound are tied with the cable tie,
the length of the outside of the first support piece and the outside of the second support piece in the direction in which the object to be bound is held in a state in which the object to be bound is sandwiched in the portion of the fixing groove that is not located at both ends; Saga,
longer than the length of the outside of the first support piece and the outside of the second support piece in the direction in which the object to be bound is held down in the portions of the fixing groove located at both ends of the fixing groove in which the object to be bound is sandwiched. long,
A cable tie supporter characterized by: The fixing groove is provided with a first convex portion for suppressing movement of the object to be bound in the axial direction of the fixing groove.
The cable tie supporter according to claim 1, characterized in that: The fixing groove is provided with a second convex portion for suppressing rotation of the object to be bound in the circumferential direction of the fixing groove.
The cable tie supporter according to claim 1 or 2, characterized in that: At least one of the first support piece or the second support piece,
A movement prevention groove is provided to prevent the fixing groove of the cable tie from moving in the axial direction.
The cable tie supporter according to any one of claims 1 to 3. On the outside of at least one of the first support piece or the second support piece,
When cutting cable ties used for bundling,
A cutting recess is provided for the tip of the cable tie cutting tool to fit into.
The cable tie supporter according to any one of claims 1 to 4. The fixing groove is provided with a chamfered part for preventing the object to be bound between the fixing grooves from coming into contact with an end of the fixing groove when the object is bent at a predetermined curvature. There is,
The cable tie supporter according to any one of claims 1 to 5, characterized in that: A work vehicle having an outrigger device,
The cable tie supporter according to any one of claims 1 to 6 is used for binding hydraulic piping for a hydraulic jack of the outrigger device and a signal cable of a sensor used in the outrigger device.
A work vehicle characterized by: A cable tie supporter used when binding objects having a predetermined diameter with a cable tie,
The cable tie supporter includes a first support piece and a second support piece for sandwiching the object to be tied,
At least one of the first support piece or the second support piece is provided with three or more fixing grooves in parallel for arranging the object to be bound,
the length of the outside of the first support piece and the outside of the second support piece in the direction in which the object to be bound is held in a state in which the object to be bound is sandwiched in the portion of the fixing groove that is not located at both ends; Saga,
longer than the length of the outside of the first support piece and the outside of the second support piece in the direction in which the object to be bound is held down in the portions of the fixing groove located at both ends of the fixing groove in which the object to be bound is sandwiched. long,
On the outside of at least one of the first support piece or the second support piece,
When cutting cable ties used for bundling,
A cutting recess is provided for the tip of the cable tie cutting tool to fit into.
A cable tie supporter characterized by: