JP4750767B2 - Construction machinery - Google Patents

Description

  The present invention relates to a construction machine such as a hydraulic excavator or a hydraulic crane, and more particularly to a construction machine provided with a canopy that covers a driver's seat from above.

  Generally, a hydraulic excavator, which is a representative example of a construction machine, includes a lower traveling body that can be self-propelled and an upper revolving body that is turnably mounted on the lower traveling body, and a front portion of the upper revolving body. A working device is provided on the side so as to be able to move up and down. And this hydraulic excavator performs excavation work etc. of earth and sand, etc. by raising and lowering a working device, turning an upper revolving body.

  Here, the upper revolving structure of the canopy-type hydraulic excavator is provided with a driver's seat on which an operator is seated and a canopy that covers the driver's seat from above. The canopy is usually composed of a pipe structure formed by combining pipe materials and having a base end attached to the upper swing body, and a canopy roof provided on the distal end side of the pipe structure.

  By the way, an operator who sits in the driver's seat and operates the hydraulic excavator brings, for example, paper cups, cans, plastic bottles and other containers filled with drinking water into the driver's seat in order to supply water during the work. Sometimes. In this case, containers filled with drinking water need to be held in a place that does not interfere with the operator while the operator operates the operation lever or the like.

  On the other hand, a cup holder for holding containers filled with drinking water or the like in an automobile cabin is known, and this cup holder is attached to a pipe-like attached member extending in the lateral direction. It is comprised by the attachment part and the container receptacle which inserts and receives containers (for example, refer patent document 1).

Japanese Patent Laid-Open No. 11-34718

  Here, the cup holder according to the above-described prior art can adjust the mounting position in the horizontal direction by moving along the member to be mounted, but cannot move the cup holder upward or downward.

  For this reason, even if a cup holder according to the prior art is applied to a hydraulic excavator, for example, the upper and lower mounting positions of the cup holder cannot be adjusted according to the physique of the operator seated in the driver's seat, the operator's preference, etc. There is a problem.

  The present invention has been made in view of the above-described problems of the prior art. A construction machine in which the mounting position of the container holder can be adjusted in the upward, downward and rotational directions with respect to the pipe material constituting the canopy. It is intended to provide.

  In order to solve the problems described above, the present invention includes a self-propelled vehicle body, a driver seat provided on the vehicle body and seated by an operator, and a canopy provided on the vehicle body so as to cover the driver seat. The canopy is formed by combining pipe materials, and is a construction machine configured by a pipe structure having a base end attached to the vehicle body and a canopy roof provided on the front end side of the pipe structure. Applied.

  The feature of the configuration adopted by the invention of claim 1 is that the pipe material of the pipe structure constituting the canopy can be adjusted between the axial mounting position and the rotational mounting position with respect to the pipe material. A container holder for holding containers is attached to the container.

  The invention of claim 2 is that the container holder is constituted by a bracket, a fixture for fixing the bracket to the pipe material, and a container receiving member attached to the bracket and receiving the containers. .

  According to a third aspect of the present invention, the fixing device is a U-bolt that is bent in a U shape so that an intermediate portion in the lengthwise direction wraps around the outer peripheral surface of the pipe member, and both ends in the lengthwise direction are tightened to the bracket This is because of the configuration.

  The invention of claim 4 includes a self-propelled vehicle body, a driver seat provided on the vehicle body and seated by an operator, and a canopy provided on the vehicle body covering the upper side of the driver seat, In a construction machine comprising a pipe structure formed by combining pipe materials, the base end side of which is attached to the vehicle body, and a canopy roof provided on the front end side of the pipe structure, the canopy is A pipe holder for holding the containers is attached to the pipe material of the pipe structure to be configured, and the container holder has a plate-shaped bracket and an intermediate portion in the length direction in a U shape on the outer peripheral surface of the pipe material. A U-bolt which is a bent portion to be wound and whose both ends in the lengthwise direction are fastened to the bracket, and an upper side which is fixed to the bracket with a bolt and into which the containers are inserted is a lower side which is the aforementioned Is characterized by being configured by a bottomed container receiving members became bottom for receiving the vessels such.

  According to a fifth aspect of the present invention, the outer peripheral surface of the container receiving member is provided with a notch that extends upward and downward from the opening to the bottom surface and discharges rainwater that has entered the container receiving member to the outside. There is a configuration to provide.

  The invention according to claim 6 is configured such that the notch portion of the container receiving member secures a space in which the handle is loosely inserted when a container provided with a handle is inserted into the opening of the container receiving member. It is to have done.

  The invention of claim 7 is that the notch portion of the container receiving member is arranged at a position where the flow of rainwater discharged from the container receiving member does not face the driver's seat.

  According to an eighth aspect of the present invention, the pipe structure is composed of at least two pipe members including one pipe member disposed on the right rear side of the driver seat, and the container holder is the driver seat. It is that it was set as the structure attached to the pipe material arrange | positioned by the right rear side of.

  The invention of claim 9 is that the container holder is arranged at a position where at least a part thereof is covered from above by the canopy roof in a state of being attached to the pipe material of the pipe structure.

  According to the first aspect of the present invention, the attachment position of the container holder relative to the axial direction of the pipe material is changed by attaching the container holder to the pipe material extending upward and downward among the pipe structures constituting the cap. Sometimes, the container holder can be moved upward and downward, and when the attachment position in the rotation direction of the container holder is changed with respect to the pipe material, the container holder can be moved in the rotation direction. Therefore, according to the physique of the operator seated in the driver's seat or the operator's preference, the attachment position of the container holder with respect to the pipe material can be adjusted simultaneously in the upward, downward and rotational directions, making it an optimal place for the operator Containers filled with drinking water or the like can be held.

  According to invention of Claim 2, a bracket can be fixed to the arbitrary positions of the pipe material which comprises a canopy using a fixing tool, and containers can be hold | maintained by the container receiving member attached to this bracket. it can. In this case, the container holder can be moved upward and downward along the axial direction of the pipe material, or the container holder can be moved in the rotational direction about the pipe material by loosening the fixture appropriately. Furthermore, by removing only the container receiving member from the bracket fixed to the pipe material, the container receiving member can be easily cleaned.

  According to the invention of claim 3, the pipe material is clamped between the U bolt and the bracket by tightening both ends of the U bolt to the bracket in a state where the intermediate portion of the U bolt is wound around the outer peripheral surface of the pipe material. Can be pinched reliably. Therefore, by loosening the U bolt with respect to the bracket, the container holder can be moved upward, downward, and rotating with respect to the pipe material, and by tightening the U bolt with respect to the bracket, the container holder can be moved. It can be securely fixed to the pipe material.

  According to invention of Claim 4, a bracket can be fixed with respect to a pipe material by winding the bending part of a U bolt around the outer peripheral surface of a pipe material, and fastening both ends of this U bolt to a bracket. Then, by fixing the container receiving member to the bracket using a bolt, containers filled with drinking water or the like are inserted into the opening of the container receiving member, and the containers are placed on the bottom surface of the container receiving member. be able to.

  According to invention of Claim 5, even if rain water, washing water, etc. penetrate | invade in a container receiving member by providing a notch part in the outer peripheral surface of a container receiving member, this rain water etc. will be outside through a notch part. Since it can discharge | emit, a container receiving member can always be maintained in a clean state.

  According to the invention of claim 6, when the container with the handle is inserted into the opening of the container receiving member, the handle of the container is loosely inserted into the notch provided on the outer peripheral surface of the container receiving member. It is possible to suppress catching on the opening. Therefore, regardless of the presence or absence of the handle, various containers can be reliably held by the container receiving member.

  According to the seventh aspect of the present invention, when the container holder is attached to the pipe material, for example, even if rainwater or the like that has entered the container receiving member is discharged to the outside through the notch, It is possible to prevent adhesion to an operator seated in the driver's seat.

  According to the invention of claim 8, by attaching the container holder to the pipe material arranged on the right rear side of the driver's seat, the operator seated in the driver's seat can hold the container holder only by extending his hand from the driver's seat. The collected containers can be easily taken out.

  According to the ninth aspect of the present invention, at least a part of the container holder can be covered from above by the canopy roof in a state in which the container holder is attached to the pipe material constituting the canopy. For example, the cup held by the container holder It is possible to prevent rainwater and the like from entering the container.

  Hereinafter, a construction machine according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 14 by taking as an example a case where the construction machine is applied to a canopy-type hydraulic excavator.

  First, FIG. 1 to FIG. 7 show a first embodiment of the present invention. Reference numeral 1 denotes a canopy-spec hydraulic excavator that is a typical example of a construction machine, and a body of the hydraulic excavator 1 is mounted on a self-propelled crawler-type lower traveling body 2 and on the lower traveling body 2 so as to be able to turn. The upper revolving unit 3 is generally configured. A swing-type working device 4 is provided on the front side of the upper swing body 3 so as to be swingable and capable of moving up and down, and on the front side of the lower traveling body 2 is used for soil removal work. The blade 5 is provided so as to be movable up and down.

  Here, the upper swing body 3 of the hydraulic excavator 1 includes a swing frame 6, a counterweight 7, a driver seat 12, a canopy 21, and the like, which will be described later.

  Reference numeral 6 denotes a revolving frame that serves as a base of the upper revolving structure 3. The revolving frame 6 is a bottom plate (not shown) formed by using a thick steel plate or the like, and extends forward and backward on the bottom plate. The left and right vertical plates 6 </ b> A and the like that are erected are provided to form a strong support structure. A swing post 4A of the working device 4 is swingably supported at the front end portion of each vertical plate 6A constituting the revolving frame 6, and a counterweight 7 described later is provided at the rear end side of the revolving frame 6. It has been.

  Reference numeral 7 denotes a counterweight provided on the rear end side of the revolving frame 6, and the counterweight 7 balances the weight with the work device 4. Here, the counterweight 7 is formed as an arc-shaped heavy object whose central portions in the left and right directions protrude rearward, and a left rear column 22A of a canopy 21 (to be described later) and a right rear column are formed on the upper surface of the counterweight 7. The support 22B is attached.

  Reference numeral 8 denotes a seat base provided on the revolving frame 6 at the front side of the counterweight 7, and the seat base 8 is provided with a driver seat 12 described later on the upper surface side thereof. Reference numeral 9 denotes a floor board laid on the front side of the seat base 8, and the floor board 9 forms a scaffold when the operator gets on and off the driver's seat 12.

  Reference numeral 10 denotes a left exterior cover that extends in the front and rear directions on the left side of the revolving frame 6, and the left exterior cover 10 is mounted equipment (not shown) such as an engine and a control valve mounted on the revolving frame 6. ) Is covered from the left side. Reference numeral 11 denotes a right exterior cover that extends in the front and rear directions on the right side of the revolving frame 6. The right exterior cover 11 has a right side mounted equipment (not shown) such as an engine, a hydraulic oil tank, and a fuel tank. It covers from the direction.

  Reference numeral 12 denotes a driver's seat provided on the upper surface side of the seat base 8, which is seated by an operator who operates the excavator 1. Here, left and right work operation levers 13 for operating the work device 4 and the like are arranged on both the left and right sides of the driver's seat 12, and the left side for running the lower traveling body 2 on the front side of the driver seat 12. The right traveling operation lever 14 is disposed.

  Reference numeral 21 denotes a three-post canopy provided on the upper swing body 3, and the canopy 21 covers the driver's seat 12 from above. Here, the canopy 21 includes a later-described pipe structure 22 having a base end side (lower end side) attached to the upper swing body 3 and a later-described canopy provided on the distal end side (upper end side) of the pipe structure 22. The roof 23 is generally configured.

  Reference numeral 22 denotes a pipe structure formed by combining a plurality of pipe materials, and the pipe structure 22 constitutes the base of the canopy 21. Here, as shown in FIGS. 1 to 3, the pipe structure 22 is located on the left rear side of the driver seat 12 and extends upward from the upper surface of the counterweight 7. A right rear column 22B which is located on the rear side and extends upward from the upper surface of the counterweight 7, a left roof mounting portion 22C which is bent forward from the upper end of the left rear column 22A and extends forward, and an upper end of the right rear column 22B Right roof mounting portion 22D bent forward from the front and extending forward, and right front column 22E bent downward from the front end of the right roof mounting portion 22D and extending downward, the lower end of which is attached to the front portion of the floor plate 9 And is roughly composed.

  Further, a rear reinforcing beam 22F is provided between the left rear column 22A and the right rear column 22B. The rear reinforcing beam 22F extends in the left and right directions and connects the two, and between the right rear column 22B and the right front column 22E. A right reinforcing beam 22G that extends in the front and rear directions and connects the two is provided. Here, the left and right rear struts 22A and 22B, the left and right roof mounting portions 22C and 22D, the right front strut 22E, and the reinforcing beams 22F and 22G constituting the pipe structure 22 are hollow and have a circular cross section. It is made of pipe material. And the container holder 24 mentioned later is attached to the right rear support | pillar 22B as a pipe material which comprises the pipe structure 22. As shown in FIG.

  Reference numeral 23 denotes a canopy roof provided on the distal end side (upper end side) of the pipe structure 22, and the canopy roof 23 is formed in a rectangular flat plate shape using, for example, a thin steel plate, and left and right roof mounting portions. It is attached between 22C and 22D. The canopy roof 23 covers the driver's seat 12 from above, thereby protecting the operator seated on the driver's seat 12 from rainwater, falling rocks, and the like.

  24 is a container holder attached to the right rear column 22B constituting the pipe structure 22 of the canopy 21, and the container holder 24 is, as shown in FIGS. 1 and 2, a paper cup filled with drinking water, A container 50 such as a can or a plastic bottle is held. And the container holder 24 is comprised by the below-mentioned bracket 25, each U volt | bolt 26, and the container receiving member 29, as shown in FIG. 4 thru | or FIG.

  A bracket 25 is attached to the right rear column 22B of the canopy 21. The bracket 25 is formed in a rectangular flat plate shape using, for example, a steel plate material. Here, on one side in the longitudinal direction of the bracket 25, a plurality of (for example, four) bolt insertion holes 25A through which U bolts 26 described later are inserted are formed (see FIG. 6). Further, on the other side in the longitudinal direction of the bracket 25, two bolt insertion holes 25B through which bolts 30A described later are inserted are formed so as to be spaced apart upward and downward.

  Reference numerals 26 and 26 denote two U bolts as fixtures for fixing the bracket 25 to the right rear column 22B of the canopy 21, and each U bolt 26 is connected to the bracket 25 as shown in FIGS. The bracket 25 is fixed to an intermediate portion of the right rear column 22B in a state where the right rear column 22B is sandwiched from the radial direction.

  Here, as shown in FIG. 6 and the like, the U bolt 26 has a semicircular arc (U-shaped) bent portion 26A at the intermediate portion in the length direction, and male screw portions 26B at both ends in the length direction. It is formed in a U-shaped bar shape. The U bolt 26 is inserted into the bolt insertion hole 25A of the bracket 25 with each male screw portion 26B in a state where the arc-shaped bent portion 26A is wound around the outer peripheral surface of the right rear support 22B. The right rear support 22B of the canopy 21 is sandwiched from the radial direction.

  Then, a nut 27 is screwed onto the front end side of each male thread portion 26B of the U-bolt 26 protruding from the bracket 25, and the nut 25 is tightened to firmly fix the bracket 25 to an intermediate portion of the right rear column 22B. It has a configuration that can. Further, a cap nut 28 is screwed to the front end side of each male screw portion 26B protruding from the nut 27. The cap nut 28 prevents the nut 27 from loosening and covers the front end portion of the male screw portion 26B. .

  A container receiving member 29 is attached to the bracket 25. The container receiving member 29 is detachably attached to the bracket 25 using bolts 30A and nuts 30B as shown in FIGS. It accepts containers 50 such as cans and plastic bottles.

  Here, the container receiving member 29 is formed in a stepped cylindrical shape as a whole, with the upper end side being an opening 29A and the lower end side being a bottom surface 29B. Further, a part of the outer peripheral surface of the container receiving member 29 is formed with a notch 29C extending upward and downward from the opening 29A to the bottom surface 29B. Further, a drain hole 29D is formed at the center of the bottom surface 29B. The container receiving member 29 receives a container 50 such as a paper cup through the opening 29A, and holds the container 50 on the bottom surface 29B.

  In this case, the notch 29C of the container receiving member 29 discharges the rainwater and the like to the outside when rainwater, washing water or the like enters the container receiving member 29. The notch 29C secures a space in which the handle 51A is loosely inserted when the containers 51 with handles (see FIG. 11) provided with the handle 51A described later are inserted into the opening 29A of the container receiving member 29. To do. Further, the drain hole 29D of the container receiving member 29 is for discharging rainwater or the like remaining on the bottom surface 29B without being discharged to the outside through the notch 29C, for example, by dropping downward.

  Further, a plate-like mounting seat 29E that comes into contact with the bracket 25 is integrally provided at a position different from the notch portion 29C on the outer peripheral surface of the container receiving member 29. The mounting seat 29E is provided with each of the brackets 25E. Two female screw holes 29F (only one is shown) corresponding to the bolt insertion holes 25B are threaded through in the plate thickness direction. Then, as shown in FIG. 6, the container receiving member 29 is fixed to the bracket 25 by screwing the bolt 30 </ b> A inserted into the bolt insertion hole 25 </ b> B of the bracket 25 into the female screw hole 29 </ b> F of the container receiving member 29. The nut 30B is screwed onto the tip of the bolt 30A protruding into the container receiving member 29, so that the bolt 30A is locked (unscrewed).

  In this manner, the container holder 24 sandwiches the right rear support 22B of the canopy 21 from the radial direction by the bracket 25 and each U bolt 26, and is inserted into the male screw portion 26B of the U bolt 26 inserted through the bolt insertion hole 25A of the bracket 25. The nut 27 is screwed and tightened to be fixed at an arbitrary position in the axial direction of the right rear column 22B.

  In this case, by loosening the nut 27 screwed to each U bolt 26 (male thread portion 26B) and weakening the force to sandwich the right rear column 22B by the bracket 25 and each U bolt 26, the container holder 24 is moved to the right rear. It can move in the axial direction (up and down) along the support 22B, and can move in the rotation direction (the direction of arrow F in FIG. 5) around the right rear support 22B.

  Accordingly, the container holder 24 can simultaneously adjust the mounting position in the axial direction (upward and downward) with respect to the right rear column 22B and the mounting position in the rotational direction (horizontal direction) with respect to the right rear column 22B. The mounting position of the container holder 24 can be appropriately adjusted according to the physique of the operator seated on the seat 12 or the preference of the operator.

  Further, as shown in FIG. 7, when the state in which the container holder 24 is attached to the right rear column 22 </ b> B of the canopy 21 is viewed from above the canopy 21, at least a part of the container holder 24 is covered from above by the canopy roof 23. be able to.

  Specifically, when the canopy 21 is viewed from above, the container receiving member 29 constituting the container holder 24 is covered from above by the canopy roof 23. Thus, when a container such as a cup is held by the container receiving member 29, it is possible to prevent rainwater or the like from entering the container such as the cup.

  The hydraulic excavator 1 according to the present embodiment has the above-described configuration, and the operator who is seated on the driver's seat 12 operates the traveling operation lever 14 to allow the hydraulic excavator 1 to travel. In addition, when the operator operates the work operation lever 13, the work device 4 can be used to perform excavation work of earth and sand.

  Here, when the operator seated in the driver's seat 12 performs the excavation work by operating the work operation lever 13 and the travel operation lever 14, drinking water or the like is put in the container holder 24 fixed to the right rear support 22 </ b> B of the canopy 21. The filled containers 50 are held, and the containers 50 are taken out from the container holder 24 between excavation operations, and water is replenished appropriately.

  Therefore, it is necessary to adjust the mounting position of the container holder 24 according to the physique of the operator seated in the driver's seat 12 or the preference of the operator. Hereinafter, the operation of fixing the container holder 24 to the right rear column 22B of the canopy 21 Will be described.

  First, for example, as shown in FIG. 6, the container receiving member 29 of the container holder 24 is attached to the bracket 25 using bolts 30A and nuts 30B. Then, each male thread portion 26B of the U bolt 26 is inserted into the bolt insertion hole 25A of the bracket 25 in a state where the bent portion 26A of the U bolt 26 is wound around the outer peripheral surface of the right rear column 22B. The right rear column 22B is sandwiched between the bolt 26 from the radial direction.

  Next, a nut 27 is screwed onto each male threaded portion 26B of the U-bolt 26 protruding from the bracket 25. For example, the nut 27 is lightened so that a slight gap is formed between the outer peripheral surface of the right rear support 22B and the bracket 25. Tighten. In this state, by moving the container holder 24 upward and downward along the right rear column 22B, the container holder 24 is disposed at an optimum height for the operator seated on the driver's seat 12.

  Next, in a state where the container holder 24 is arranged at an optimum height, the container holder 24 is moved in the rotation direction (the direction indicated by the arrow F in FIG. 5) around the right rear column 22B. As a result, the mounting angle of the container holder 24 with respect to the right rear column 22B changes, and the lateral distance between the container receiving member 29 of the container holder 24 and the operator seated on the driver's seat 12 is adjusted to an optimum distance. be able to.

  After adjusting the distance between the container receiving member 29 of the container holder 24 and the operator to an optimum distance, the nut 27 screwed to the male thread portion 26B of the U bolt 26 is tightened, and the nut 27 is loosened by the cap nut 28. Stop.

  Thus, the container holder 24 can simultaneously adjust the upper and lower mounting positions with respect to the right rear column 22B and the rotational mounting position with respect to the right rear column 22B. The container holder 24 is disposed at an optimal place according to the physique or the preference of the operator, and the containers 50 filled with drinking water or the like can be held by the container holder 24.

  Thus, according to the present embodiment, the container holder 24 having the bracket 25 and the U bolt 26 for sandwiching the right rear column 22B from the radial direction is attached to the right rear column 22B of the canopy 21. For this reason, the container holder 24 can be moved upward and downward with respect to the right rear column 22B, and can be moved in the rotational direction with respect to the right rear column 22B. Therefore, according to the physique of the operator seated in the driver's seat 12 or the preference of the operator, the mounting position of the container holder 24 with respect to the right rear support 22B can be adjusted simultaneously in the upward, downward and rotational directions. Containers 50 filled with drinking water or the like can be held in an optimal place.

  In this case, by attaching the container holder 24 to the right rear support 22B disposed on the right rear side of the driver's seat 12, the operator seated in the driver's seat 12 simply extends his hand from the driver's seat 12 and then holds the container holder 24. The containers 50 held in the container can be easily taken out.

  Since the container holder 24 includes the bracket 25, the U bolt 26 that sandwiches the right rear column 22B between the bracket 25, and the container receiving member 29 that is detachably attached to the bracket 25, the bracket 25 By sandwiching the right rear column 22B from the radial direction with the U-bolt 26, the container holder 24 can be reliably fixed at any position of the right rear column 22B.

  Further, the container 27 is moved along the axial direction of the right rear column 22B by loosening the nut 27 screwed to the U bolt 26 and weakening the force to sandwich the right rear column 22B by the bracket 25 and the U bolt 26. Since it can be moved in the upward and downward directions or in the rotational direction with respect to the right rear column 22B, the position adjustment of the container holder 24 can be performed smoothly. Furthermore, since only the container receiving member 29 can be detached independently from the bracket 25 fixed to the right rear column 22B, the container receiving member 29 can be easily cleaned.

  Furthermore, as shown in FIG. 7, with the container holder 24 attached to the right rear column 22B of the canopy 21, at least the container receiving member 29 of the container holder 24 can be covered from above by the canopy roof 23. When a container such as a cup is held by the container receiving member 29, rainwater or the like can be prevented from entering the container such as a cup.

  Next, FIGS. 8 to 12 show a second embodiment of the present invention, which is characterized in that a container holder is attached to a pipe material constituting a four-post canopy. In the present embodiment, the same components as those in the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.

  In the figure, reference numeral 31 denotes a four-post canopy. The canopy 31 is substantially constituted by a pipe structure 32 (to be described later) and a canopy roof 33 in substantially the same manner as the canopy 21 according to the first embodiment. The configuration of the pipe structure 32 is different from that according to the first embodiment.

  Reference numeral 32 denotes a pipe structure formed by combining a plurality of pipe materials. The pipe structure 32 is located on the left rear side of the driver seat 12 and extends upward, and the right rear column 32A extending upward. Right rear column 32B located on the rear side and extending upward, left and right roof mounting portions 32C, 32D extending forward from the upper end side of each column 32A, 32B, and downward from the front end side of the left roof mounting portion 32C Left front strut 32E located on the left front side of the extended driver's seat 12, a right front strut 32F located on the right front side of the driver seat 12 that extends downward from the front end side of the right roof mounting portion 32D, a left rear strut 32A, and a right rear strut The rear reinforcing beam 32G is connected to 32B and the right reinforcing beam 32H is connected to the right rear column 32B and the right front column 32F.

  Reference numeral 33 denotes a canopy roof provided on the front end side of the pipe structure 32. The canopy roof 33 is formed in a rectangular flat plate shape using, for example, a thin steel plate and the like, between the left and right roof mounting portions 32C and 32D. Installed on.

  And in this Embodiment, the container holder 24 is attached to the right rear support | pillar 32B which comprises the four-column type canopy 31. FIG. In this case, the container holder 24 sandwiches the right rear column 32B from the radial direction by the bracket 25 and each U bolt 26, so that the upper and lower mounting positions of the container holder 24 with respect to the right rear column 32B and the right rear column It is the structure which can adjust simultaneously the attachment position of the rotation direction of the container holder 24 with respect to the support | pillar 32B.

  Here, by adjusting the mounting position of the container holder 24 with respect to the right rear column 32B to the position shown in FIGS. 9 and 10, for example, the notch portion 29C provided in the container receiving member 29 faces the driver's seat 12. And can be arranged at a position facing forward. Thereby, for example, even if rainwater or the like that has entered the container receiving member 29 is discharged to the outside through the notch 29C, the drained rainwater or the like is prevented from flowing toward the operator seated in the driver's seat 12. can do.

  Next, as shown in FIGS. 11 and 12, when holding the containers 51 with handles provided with the handles 51 </ b> A in the container holder 24 attached to the right rear column 32 </ b> B of the canopy 31, face forward. The container with handle 51 is inserted into the opening 29A of the container receiving member 29 in a state where the notch 29C of the container receiving member 29 and the handle 51A of the container with handle 51 are aligned. At this time, since the handle 51A is loosely inserted into the notch 29C of the container receiving member 29, as shown in FIG. 12, the handles 51A with the handle do not catch the opening 29A or the like, The container receiving member 29 is placed in a stable posture on the bottom surface 29B.

  As described above, by providing the notch 29C extending upward and downward from the opening 29A to the bottom 29B on the outer peripheral surface of the container receiving member 29, a space in which the handle 51A is loosely inserted can be secured. Different types of containers such as containers 51 with handles 51A and containers 50 with no handles shown in FIG. 4 can be reliably held by the container receiving member 29.

  Next, FIG. 13 shows a third embodiment of the present invention, which is characterized in that a container holder is attached to a pipe material constituting a two-post canopy. In the present embodiment, the same components as those in the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.

  In the figure, reference numeral 41 denotes a two-post canopy. Although the canopy 41 is roughly constituted by a pipe structure 42 and a canopy roof 43 which will be described later, the structure of the pipe structure 42 is the first embodiment. It is different from that by.

  Reference numeral 42 denotes a pipe structure formed by combining a plurality of pipe members. The pipe structure 42 is located on the left rear side of the driver's seat (not shown) and extends upward, The rear right column 42B is located on the right rear side of the seat and extends upward, and the left and right roof mounting portions (not shown) extending forward from the upper end sides of the columns 42A and 42B.

  Reference numeral 43 denotes a canopy roof provided on the front end side of the pipe structure 42. The canopy roof 43 is formed in a rectangular flat plate shape using, for example, a thin steel plate, and the upper end sides of the left and right columns 42A and 42B. Is supported by a roof mounting portion extending forward.

  And in this Embodiment, the container holder 24 is attached to the right rear support | pillar 42B which comprises the 2 pillar type canopy 41. FIG. In this case, the container holder 24 sandwiches the right rear strut 42B from the radial direction by the bracket 25 and each U bolt 26, so that the upper and lower mounting positions of the container holder 24 with respect to the right rear strut 42B and the right rear The mounting position in the rotation direction of the container holder 24 with respect to the support column 42B can be adjusted simultaneously.

  In the first embodiment described above, the case where the container holder 24 is attached to the right rear column 22B in the pipe structure 22 constituting the three-post canopy 21 is illustrated. However, the present invention is not limited to this, and the container holder 24 may be attached to the right front strut 22E, which is another pipe material constituting the pipe structure 22, as in the modification shown in FIG. It may be attached to the rear support 22A.

  Further, in the first embodiment described above, a case where a pipe member having a circular cross section is used as the right rear support 22B to which the container holder 24 is attached is illustrated. However, the present invention is not limited to this. For example, a rectangular pipe material having a polygonal cross-sectional shape may be used.

  In the first embodiment described above, the bracket 25 of the container holder 24 is attached to the right rear column 22B of the canopy 21 using the U bolts 26, so that the upper and lower sides of the container holder 24 with respect to the right rear column 22B. The case where the attachment position of a direction and a rotation direction can be adjusted is illustrated. However, the present invention is not limited to this, and for example, the container holder may be fixed to the right rear column 22B by fixing the bracket 25 to the right rear column 22B by welding.

  Furthermore, in the above-described first embodiment, a canopy-type hydraulic excavator 1 is taken as an example of a construction machine. However, the present invention is not limited to this, and can be widely applied to canopy specification construction machines such as a canopy specification wheel loader and a bulldozer.

1 is a front view showing a canopy-spec hydraulic excavator according to a first embodiment of the present invention. It is a rear view which shows a hydraulic shovel. It is a perspective view which shows the 3 pillar type canopy in FIG. 1, and a container holder. It is a perspective view of the principal part expansion which expands and shows the container holder in FIG. It is sectional drawing which looked at the right back support | pillar of a canopy and the container holder from the arrow VV direction in FIG. It is a disassembled perspective view which shows the bracket, U volt | bolt, container receiving member, etc. of a container holder. It is the top view which looked at the canopy roof, the container holder, etc. from the arrow VII-VII direction in FIG. It is a partially broken perspective view which shows the four column type canopy and container holder by 2nd Embodiment. It is sectional drawing which looked at the arrangement | positioning relationship of each support | pillar of a 4 pillar type canopy, a driver's seat, a container holder, etc. from the upper end side of each support | pillar. It is sectional drawing of the principal part expansion which expands and shows the container holder in FIG. It is a perspective view of the principal part expansion similar to FIG. 4 which shows the state which inserts the container with a handle in a container holder. It is a perspective view of the principal part expansion which shows the state which hold | maintained the container with a handle with the container holder. It is a perspective view which shows the 2 pillar type canopy and container holder by 3rd Embodiment. It is a perspective view which shows the modification which attached the container holder to the right front support | pillar of a 3 pillar type canopy.

Explanation of symbols

1 Excavator (construction machine)
2 Lower traveling body (car body)
3 Upper swing body (car body)
12 Driver's seat 21, 31, 41 Canopy 22, 32, 42 Pipe structure 22A, 32A, 42A Left rear strut (pipe material)
22B, 32B, 42B Right rear support (pipe material)
22E, 32F Right front strut (pipe material)
23, 33, 43 Canopy roof 24 Container holder 25 Bracket 26 U bolt (fixture)
26A Bent part 29 Container receiving member 29A Opening part 29B Bottom face 29C Notch part 50 Containers 51 Containers with handle 51A Handle

Claims (9)

A self-propelled vehicle body, a driver seat provided on the vehicle body and seated by an operator, and a canopy provided on the vehicle body covering the upper side of the driver seat,
In the construction machine, the canopy is formed by combining pipe materials, and the base end side is constituted by a pipe structure attached to the vehicle body, and a canopy roof provided on the distal end side of the pipe structure. ,
The pipe material of the pipe structure constituting the canopy is characterized in that a container holder for holding containers is attached to the pipe material so that adjustment between an axial mounting position and a rotational mounting position is possible. Construction machinery to do.   The construction machine according to claim 1, wherein the container holder includes a bracket, a fixture that fixes the bracket to the pipe member, and a container receiving member that is attached to the bracket and receives the containers. .   The said fixture is comprised by the U volt | bolt which is bent in a U shape so that the intermediate part of a length direction may wind around the outer peripheral surface of the said pipe material, and the both ends of a length direction are clamp | tightened to the said bracket. The construction machine according to 2. A self-propelled vehicle body, a driver seat provided on the vehicle body and seated by an operator, and a canopy provided on the vehicle body covering the upper side of the driver seat,
In the construction machine, the canopy is formed by combining pipe materials, and the base end side is constituted by a pipe structure attached to the vehicle body, and a canopy roof provided on the distal end side of the pipe structure. ,
A pipe holder for holding containers is attached to the pipe material of the pipe structure constituting the canopy,
The container holder includes a plate-shaped bracket, a U-bolt in which an intermediate portion in the length direction is a bent portion that winds around the outer peripheral surface of the pipe material in a U-shape and both ends in the length direction are tightened to the bracket, A construction machine comprising: a bottomed container receiving member which is fixed to the bracket using a bolt and whose upper side is an opening for inserting the containers and whose lower side is a bottom surface for receiving the containers.   5. The outer peripheral surface of the container receiving member is provided with a notch portion that extends upward and downward from the opening to the bottom surface and discharges rainwater that has entered the container receiving member to the outside. Construction machinery as described in.   The said notch part of the said container receiving member becomes a structure which ensures the space where the said handle is loosely inserted when the containers provided with the handle are inserted in the opening part of the said container receiving member. Construction machinery.   The construction machine according to claim 5 or 6, wherein the notch portion of the container receiving member is arranged at a position where the flow of rainwater discharged from the container receiving member does not face the driver's seat.   The pipe structure is composed of at least two pipe members including one pipe member disposed on the right rear side of the driver seat, and the container holder is disposed on the right rear side of the driver seat. The construction machine according to claim 1, wherein the construction machine is configured to be attached to a pipe material.   The container holder is configured to be disposed at a position where at least a part is covered from above by the canopy roof in a state of being attached to a pipe material of the pipe structure. , 7 or 8 Construction machine.

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