JP2020020141A - Construction machine - Google Patents

Abstract

To allow replacing operation of SIM cards for a communication terminal to be easily carried out as well as protection of the communication terminal from heat, vibration, and dust and like.SOLUTION: A communication terminal 24 to perform wireless communication with the outside is arranged in a utility room 14 which is located in a separated place between a cab 6 which an operator enters and an engine room 10. The communication terminal 24 is provided with a card slot 24A facing an opening 14A formed with a front side door 18 opened through which a SIM card 26 is insertable and removable.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a construction machine such as a hydraulic shovel provided with a communication terminal for performing wireless communication with the outside.

  2. Description of the Related Art In general, a hydraulic excavator as a representative example of a construction machine includes a lower traveling body capable of self-propelling forward and backward, and an upper revolving body provided on the lower traveling body so as to be capable of turning. ing. On the front side of the upper revolving structure, a front device for excavating earth and sand is attached.

  Further, the upper revolving structure includes a revolving frame forming a support structure, a cab provided at a front position of the revolving frame, into which an operator rides, and a left and right direction orthogonal to the front and rear directions at the rear position of the revolving frame. An engine room is provided which extends and houses a heat exchanger such as a motor such as an engine, a radiator, an oil cooler and the like.

  Here, a recent excavator may be placed under the control of an external construction management system, and this type of excavator is equipped with a communication terminal capable of communicating with a management computer. Thereby, it is possible to manage the estimation of the construction period and the progress of the construction based on the construction information sent from each hydraulic shovel placed under management (for example, see Patent Document 1).

JP 2018-44415 A

  By the way, it is assumed that a communication terminal capable of communicating with a management computer has various wireless communication means, but when using general data communication, it is necessary to subscribe (contract) to a communication company. It is necessary to insert a SIM card (Subscriber Identity Module Card) recording an ID (Identification) number for identifying a subscriber into the communication terminal.

  Here, the hydraulic excavator performs work at various work sites. Also, the range of the communication network differs for each communication company. For this reason, at each site, it is assumed that there is a difference in the radio wave reception state depending on the communication company in use. Therefore, at a work site, there is a case where a SIM card is replaced with a communication terminal so that a communication company having a good radio wave reception state can be selected. On the other hand, since communication terminals are precision machines, they need to be protected from heat, vibration, dust, etc., and cannot be easily accessed from the outside at present. Therefore, there is a problem that it takes time to replace the SIM card in the communication terminal.

  An object of the present invention is to protect a communication terminal from heat, vibration, dust, etc., and to easily perform a work of replacing a SIM card with the communication terminal. An object of the present invention is to provide a construction machine that can be used.

  The present invention accommodates a vehicle body frame that forms a support structure of a self-propelled vehicle body, a cab provided at a front position of the vehicle body frame, and a motor and a heat exchange device provided at a rear portion of the vehicle body frame. A motor room, a utility room provided in a state of being partitioned between the cab and the motor room, a top plate that covers the motor room and the utility room from above, and a left and right direction of the utility room. A construction machine comprising: an exterior cover having a side door that can be opened and closed from the side; a communication terminal provided for wireless communication with the outside; and a SIM card detachably attached to the communication terminal. The communication terminal is housed in the utility room, and the communication terminal faces the opening formed with the side door opened. Card slot is provided IM card is inserted or removed.

  According to the present invention, the communication terminal can be protected from heat, vibration, dust, and the like, and the SIM card can be easily replaced with the communication terminal.

FIG. 1 is a front view illustrating a hydraulic excavator as a construction machine according to an embodiment of the present invention. FIG. 4 is a partially broken plan view showing the upper revolving structure in a state where an upper side of an exterior cover is omitted. FIG. 10 is a perspective view showing the upper revolving structure with a front side door and a rear side door opened, with a part of an upper surface cover of an exterior cover omitted. FIG. 3 is a partially broken plan view showing, in an enlarged manner, the vicinity of a utility chamber of an upper-part turning body in FIG. 2. FIG. 4 is an enlarged perspective view of a main part showing a state where each controller, a mounting base, a communication terminal, a protective cover, and the like are mounted on a front partition plate. FIG. 6 is an exploded perspective view of a main part enlarged showing a state in which a protective cover is removed from a mounting base in FIG. 5 and a SIM card is extracted from a communication terminal.

  Hereinafter, an embodiment of a construction machine according to the present invention applied to a hydraulic shovel will be described in detail with reference to FIGS. 1 to 6 as an example.

  In FIG. 1, a hydraulic excavator 1 as a construction machine includes a crawler-type lower traveling body 2 that can move on its own and an upper revolving body 3 that is rotatably provided on the lower traveling body 2. A front device 4 is provided at the front of the upper revolving unit 3 so as to be able to move up and down. The front device 4 can be used for excavating earth and sand.

  The upper swing body 3 includes a swing frame 5, a cab 6, an engine room 10, an engine 11, a heat exchange device 13, controllers 20 and 21, a mount 22, a communication terminal 24, a SIM card 26, and a protective cover 27, which will be described later. It is configured.

  As shown in FIG. 2, the turning frame 5 as a vehicle body frame forms a support structure of the upper turning body 3. The revolving frame 5 includes a bottom plate 5A made of a flat body extending in the front and rear directions, a left vertical plate 5B and a right vertical plate standing on the bottom plate 5A and facing the left and right directions and extending in the front and rear directions. 5C, a plurality of left overhanging beams (not shown) projecting leftward from the left vertical plate 5B, a left side frame 5D extending forward and backward, and a right side from the right vertical plate 5C. It includes a right side frame 5E fixed to the front end side of each projecting right overhanging beam (not shown) and extending forward and backward.

  The cab 6 is provided at a front left position of the turning frame 5. The cab 6 defines a driver's cab, and the driver's cab is provided with a driver's seat on which an operator who gets on the cab sits. In the cab 6 cab, a driving lever and a working lever (both not shown) are provided around the driver's seat.

  The counterweight 7 is attached to the rear side of the turning frame 5, that is, to the rear of the left vertical plate 5B and the right vertical plate 5C. The counterweight 7 balances the weight with the front device 4 and is formed as a heavy object having a convex arc-shaped rear surface.

  As shown in FIG. 2, the front partition plate 8 is provided on the turning frame 5 so as to face the rear surface of the cab 6. The front partition plate 8 is formed between the cab 6 and a utility room 14 described later, and is formed as a plate-like body that extends in the left and right directions of the revolving frame 5 and stands upright. The front partition 8 extends leftward and rightward from the left vertical plate 5B of the revolving frame 5 to the left side frame 5D. The front partition plate 8 partitions between the front side of the utility room 14 and the outside. Further, controllers 20, 21 and a mounting base 22, which will be described later, are mounted on the front partition plate 8.

  The rear partition plate 9 is provided on the revolving frame 5 so as to cover the front sides of the engine 11 and the heat exchange device 13. The rear partition plate 9 is formed between the engine room 10 and the utility room 14, and is formed as a plate-like body that extends in the left and right directions of the turning frame 5 and stands upright. The rear partition plate 9 extends leftward and rightward from the right vertical plate 5C of the revolving frame 5 (the left end of the hydraulic oil tank 29) to the left side frame 5D. The rear partition plate 9 partitions between the front side of the engine room 10 and the rear side of the utility room 14.

  The engine compartment 10 constitutes a prime mover compartment, and is provided at a rear portion of the turning frame 5 so as to extend leftward and rightward at right angles to the front and rear directions. The engine room 10 houses the engine 11, the hydraulic pump 12, and the heat exchange device 13, and is formed between the front surface of the counterweight 7, the rear partition plate 9, and the hydraulic oil tank 29.

  The engine 11 constitutes a prime mover. For example, the engine 11 is provided in the engine room 10 and is provided on the revolving frame 5 in a horizontal state in which the axis of a crankshaft (not shown) extends leftward and rightward. The engine 11 includes, for example, a supercharger 11A, and an air cleaner 15 described later is connected to an intake side of the supercharger 11A. On the other hand, an exhaust gas treatment device 11B is connected to the exhaust side of the supercharger 11A. A cooling fan 11C is provided on the left side of the engine 11, and a heat exchange device 13 described later is arranged so as to face the cooling fan 11C. On the right side of the engine 11, a hydraulic pump 12 described later is mounted.

  The hydraulic pump 12 is provided on the right side of the engine 11. The hydraulic pump 12 is driven to rotate by the engine 11, and discharges hydraulic oil supplied from the hydraulic oil tank 29 to a control valve device (not shown) as pressure oil.

  The heat exchange device 13 is arranged on the left side of the engine 11 in the engine room 10 and is mounted on the turning frame 5. The heat exchange device 13 includes a radiator 13A for cooling engine cooling water, an oil cooler 13B for cooling hydraulic oil, an intercooler 13C for cooling air taken in by the engine 11, and a frame 13D surrounding these.

  The utility room 14 is provided in a state partitioned between the cab 6 and the engine room 10. The utility room 14 has a front side covered with a front partition plate 8, a rear side covered with a rear partition plate 9, a left side covered with a front side door 18 of an exterior cover 16 described later, and a right side with a left vertical plate of the revolving frame 5. 5B, the upper side is configured as a space on the revolving frame 5 covered with the upper surface plate 17 of the exterior cover 16 (see FIG. 1).

  As shown in FIGS. 3 and 4, an opening 14 </ b> A is formed in the utility room 14 when the front side door 18 of the exterior cover 16 is opened. Through the opening 14A, an element replacement work of the air cleaner 15, a replacement work of the SIM card 26 with respect to the communication terminal 24, and the like can be performed by inserting a hand from the outside. The utility room 14 accommodates the air cleaner 15, the controllers 20, 21, the mounting base 22, the communication terminal 24, the protective cover 27, a grease gun (not shown), tools, and the like.

  The air cleaner 15 is arranged near the rear side in the utility room 14. The air cleaner 15 cleans the air sucked by the engine 11 and has a built-in element (not shown) for capturing foreign matter such as dust. The air cleaner 15 is disposed so that the axis is in the left and right directions in the utility room 14. Thereby, the element of the air cleaner 15 can be replaced through the opening 14A by opening the front side door 18 of the exterior cover 16.

  The exterior cover 16 is provided on the turning frame 5 between the cab 6 and the counterweight 7. The exterior cover 16 includes an upper surface plate 17 that covers the engine room 10 and the utility room 14 from above, a front side door 18 that opens and closes the utility room 14 from the left side, which is one side in the left and right directions, and the engine room 10. And a rear side door 19 that can be opened and closed from the left side, which is one side in the left and right directions.

  The front side door 18 forms a part of the exterior cover 16. As shown in FIG. 4, the front side door 18 can be opened and closed by rotating the front side door 18 as a fulcrum 18 </ b> A before and at one end side. The front portion of the front side door 18 is rotatably attached to the front partition plate 8. Further, the front side door 18 is provided with a knob 18A with a key cylinder (see FIG. 1) located at the rear side in the front and rear directions at the other end side.

  Here, by closing the front side door 18 and locking the knob 18A, the controllers 20, 21 and the communication terminal 24 in the utility room 14 can be protected from theft and mischief. On the other hand, the utility door 14 can be opened by unlocking the lock of the knob 18A and opening the other end side to the front side as shown in FIG. In the open state of the front side door 18, high-pressure water is sprayed obliquely from the rear side (the direction indicated by the arrow A in FIG. 4) in accordance with the opening degree of the front side door 18, thereby accumulating and adhering in the utility chamber 14. Dust can be washed away.

  The rear side door 19 forms a part of the exterior cover 16. The rear side door 19 is, for example, rotatably attached to a support (not shown) having the front and rear sides on the left side frame 5D of the revolving frame 5 standing upright. In the closed state of the rear side door 19, the front side in the front and rear directions is arranged so as to overlap the lower side of the front side door 18. Thereby, the rear side door 19 can be locked using the knob 18A with the key cylinder of the front side door 18.

  Next, the configurations and functions of the controllers 20, 21, the mount 22, the communication terminal 24, the SIM card 26, and the protective cover 27 housed in the utility room 14 will be described. These articles are formed as one assembly, and are arranged on the left side near the opening 14A so that the SIM card 26 can be easily replaced.

  The controllers 20 and 21 constitute an electric device and are attached to the front partition plate 8. The controllers 20, 21 are for controlling, for example, the front device 4, the engine 11, and the like. Bolts, clips, etc. It is attached by using the fixing device. On the other hand, as a controller disposed at this position, a controller that controls components other than the front device 4 and the engine 11 can be disposed. Further, other electric devices other than the controller can be provided. Further, one (one) or three (three) or more electric devices may be provided.

  Here, since the front partition plate 8 is provided at a position close to the rear side of the cab 6, the controllers 20 and 21 provided on the front partition plate 8 are connected to various electric devices mounted in the cab 6. Can be easily connected.

  The mounting base 22 is provided on the front partition plate 8 so as to cover the controllers 20 and 21. The mounting base 22 also serves as a base for mounting the communication terminal 24 and a cover member that covers the controllers 20 and 21. Specifically, the mounting base 22 includes an outer plate portion 22 </ b> A that is positioned outside the left and right directions on the opening 14 </ b> A side of the utility room 14 and rises perpendicular to the front partition plate 8, and the controllers 20 and 21. A back plate portion 22B disposed at a back portion opposite to the outer plate portion 22A, a flat plate portion 22C extending leftward and rightward from the tip of the back plate portion 22B in parallel with the front partition plate 8, and an outer plate. It is constituted by an inclined plate 22D provided by connecting the portion 22A and the flat plate portion 22C. As shown in FIGS. 5 and 6, the mounting base 22 has an outer plate portion 22A and a back plate portion 22B attached to the front partition plate 8 using bolts 23 (only the outer plate portion 22A side is shown). ).

  Here, the inclined plate 22D of the mounting base 22 forms an inclined surface that is inclined so as to approach the front partition plate 8 from the tip (the end on the opening 14A side) of the flat plate portion 22C toward the opening 14A. A communication terminal mounting surface 22D1 for mounting the communication terminal 24 is provided on the inclined plate 22D. In this case, the communication terminal 24 is mounted on the communication terminal mounting surface 22D1 of the inclined plate 22D so that a card slot 24A described later is directed to a position deep in the protection range of the protection cover 27 (outer plate portion 22A side). Become. Thus, even when high-pressure water is sprayed from the outside, it is possible to prevent high-pressure water from being applied to the card slot 24A.

  The outer cover 22A of the mounting base 22 is provided with a protective cover mounting surface 22A1 for mounting the protective cover 27, which is located on the opening 14A side. The outer plate portion 22A (protective cover mounting surface 22A1) is provided with a fixing hole 22A2 for fixing a fixing tool 28 described later, which is composed of a bolt, a clip, and the like.

  The communication terminal 24 is housed in the utility room 14 and attached to the mount 22. The communication terminal 24 performs wireless communication with, for example, a computer (not shown) for management of an external construction management system. The communication terminal 24 has a rectangular parallelepiped box structure in which precision components are accommodated, and is attached to the inclined plate 22D (the communication terminal attachment surface 22D1) of the attachment base 22 using bolts 25.

  The communication terminal 24 formed as a box structure has a card slot 24A on one surface. Here, the mounting direction of the communication terminal 24 is set such that the card slot 24A faces the opening 14A of the utility room 14 formed with the front side door 18 of the exterior cover 16 opened. Thus, a SIM card 26 described later can be inserted into and removed from the card slot 24A through the opening 14A of the utility chamber 14.

  In this case, the card slot 24A of the communication terminal 24 is located at the innermost position of the protection range away from the periphery of the protection cover 27 when the communication terminal 24 is mounted on the inclined plate 22D (the communication terminal mounting surface 22D1) of the mounting base 22. Can be turned on. That is, one surface of the communication terminal 24 provided with the card slot 24A is directed toward the fulcrum 18A of the front side door 18. Thus, it is possible to make it difficult for high-pressure water sprayed from the outside to splash on the card slot 24A.

  In a SIM card (Subscriber Identity Module Card) 26, an ID (Identification) number for identifying a subscriber, which is necessary when subscribing (contracting) to a communication company in order to perform wireless communication with the outside, is recorded. The SIM card 26 is also called a subscriber identification module card. The SIM card 26 is inserted into a card slot 24A of the communication terminal 24. On the other hand, when the SIM card 26 is exchanged for another company's card, the communication company can be changed to improve the reception condition of radio waves. Further, the SIM card 26 can be exchangeably mounted from outside the utility room 14 to a card slot 24A of the communication terminal 24 arranged inside the utility room 14.

  The protective cover 27 covers the card slot 24A of the communication terminal 24. The protection cover 27 is formed of a plate having a size that can cover the entire communication terminal 24 when viewed from the opening 14 </ b> A of the utility room 14. The protective cover 27 is formed of a rectangular plate, and a front portion on the side of the front partition plate 8 is detachably attached to the protective cover attachment surface 22A1 of the outer plate portion 22A of the attachment base 22 using a fixture 28. I have.

  Two insertion holes 27A are provided in the front portion of the protective cover 27 so as to correspond to the fixing holes 22A2 provided in the outer plate portion 22A of the mounting base 22. When the protective cover 27 is mounted on the mounting base 22, the front portion of the protective cover 27 is brought into contact with the protective cover mounting surface 22A1 of the outer plate portion 22A. The protective cover 27 is inserted into each fixing hole 22A2 of the outer plate 22A while being inserted through each insertion hole 27A. As a result, the protective cover 27 can be attached to the outer plate 22A (the protective cover attachment surface 22A1) of the attachment base 22. On the other hand, when removing the protective cover 27 from the mounting base 22, the fixture 28 is pulled out from each fixing hole 22A2 of the outer plate part 22A, so that the protective cover 27 is attached to the outer plate part 22A of the mounting base 22 (protective cover mounting). It can be removed from the surface 22A1).

  In addition to the bolts and the clips, a foldable member is attached to the outer plate portion 22A of the mounting base 22 in advance, and the fixing device 28 is folded in a state of being inserted through the insertion hole 27A of the protective cover 27, thereby protecting the fixing member 28. The cover 27 may be attached to the attachment base 22.

  As shown in FIG. 2, the hydraulic oil tank 29 stores the hydraulic oil, and is provided on the turning frame 5 at the front side of the hydraulic pump 12. The fuel tank 30 stores fuel supplied to the engine 11, and is provided on the turning frame 5 adjacent to the front side of the hydraulic oil tank 29.

  The hydraulic excavator 1 according to the present embodiment has the above-described configuration, and the operation thereof will be described next.

  The operator of the excavator 1 gets on the cab 6 of the upper swing body 3, starts the engine 11 and drives the hydraulic pump 12. As a result, pressure oil is discharged from the hydraulic pump 12, and the pressure oil is supplied to various hydraulic actuators via a control valve device (not shown).

  When the operator on the cab 6 operates a traveling operation lever (not shown), the vehicle can be moved forward or backward by the lower traveling body 2. On the other hand, when the operator in the cab 6 operates an operation lever (not shown) for work, the front device 4 can be raised and lowered to perform excavation work of earth and sand.

  Here, the excavator 1 works at various work sites. In this case, depending on the work site, the condition of the radio wave is poor, and the communication with the management computer of the external construction management system may not be stable. Therefore, the operation of replacing the SIM card 26 with the card slot 24A of the communication terminal 24 in order to improve the communication situation will be described.

  First, the lock of the knob 18A of the front side door 18 of the exterior cover 16 located on one side (left side) in the left and right directions is released, and as shown in FIG. 4, the front side door 18 is greatly opened to the front side. Thereby, the utility room 14 is released by the opening 14A. In this state, as shown in FIG. 6, by pulling out each fixing tool 28 from each fixing hole 22A2 of the outer plate portion 22A, the protective cover 27 can be removed from the mounting base 22. After removing the protective cover 27 from the mounting base 22, the SIM card 26 is taken out from the card slot 24A of the communication terminal 24, and the SIM card 26 of another company is inserted. Then, the protective cover 27 is attached to the mounting base 22.

  Further, a case of cleaning dust and the like accumulated in the utility chamber 14 will be described. In this case, with the front side door 18 opened and the utility chamber 14 opened, high-pressure water for cleaning is sprayed from the opening 14A as shown by an arrow A in FIG. Thus, dust and the like accumulated in the utility chamber 14 can be washed with the high-pressure washing water.

  Thus, according to the present embodiment, the communication terminal 24 for performing wireless communication with the outside is provided in the utility room 14 which is partitioned between the cab 6 and the engine room 10. The communication terminal 24 is provided with a card slot 24A through which the SIM card 26 is inserted and removed facing the opening 14A formed with the front side door 18 opened.

  Here, although the utility room 14 is sucked in air from the outside, the air is sucked in by the air cleaner 15 (engine 11). Therefore, unlike the engine room 10 in which a large amount of dust is sucked in from the outside together with air by the cooling fan 11C, the utility room 14 protects the communication terminal 24 from dust, heat of the engine 11, vibration of the engine 11, and the like. Can be. Further, when the communication terminal 24 is provided in the cab 6, problems such as securing an installation place of the communication terminal 24, routing of wiring, and noise of a fan for cooling the communication terminal 24 occur. However, in the configuration in which the communication terminal 24 is provided in the utility room 14, these problems do not occur.

  As a result, the communication terminal 24 can be protected from dust, heat of the engine 11, vibration of the engine 11, and the like, and durability and reliability can be improved. Moreover, the work of replacing the SIM card 26 with the communication terminal 24 can be easily performed, and the workability can be improved. Further, since the card slot 24A is provided so as to face the opening 14A of the utility room 14, the SIM card 26 can be easily inserted and removed from the outside.

  The revolving frame 5 is located between the cab 6 and the utility room 14 and extends to the left and right of the revolving frame 5, and is located between the engine room 10 and the utility room 14. A rear partition plate 9 extending leftward and rightward of the revolving frame 5 is provided. The front partition plate 8 is provided with a mounting base 22 for mounting the communication terminal 24, and the mounting base 22 is provided with an inclined plate 22D as an inclined surface inclined toward the opening 14A of the utility room 14. I have. The communication terminal 24 is mounted on the inclined plate 22D of the mounting base 22. Accordingly, the communication terminal 24 can be entirely covered with the protective cover 27, so that the communication terminal 24 can be protected from high-pressure water even when high-pressure water is sprayed from the outside.

  Here, as shown in FIG. 4, the front side door 18 rotatably attached to the front partition plate 8 may not be opened up to 90 degrees in relation to surrounding members. In this case, the spraying direction of the high-pressure water is obliquely rearward (the direction indicated by the arrow A in FIG. 4). Therefore, in a configuration in which the communication terminal 24 is mounted on the inclined plate 22D inclined toward the front partition plate 8 toward the opening 14A of the utility room 14, the protective cover 27 is configured to remove the card slot 24A from the high-pressure water sprayed from the arrow A direction. Can be efficiently protected.

  A protective cover 27 is attached so as to cover the card slot 24A of the communication terminal 24. Therefore, even if high-pressure water is sprayed with the front side door 18 opened to clean the inside of the utility chamber 14 as shown by an arrow A in FIG. , The communication terminal 24 can be protected, and the durability and reliability can be improved.

  The front side door 18 is provided to be openable and closable by rotating with the front side serving as one end side as a fulcrum 18A. In addition, one surface of the communication terminal 24 provided with the card slot 24A faces the fulcrum 18A. Also according to this configuration, it is possible to make it difficult for high-pressure water for cleaning to be applied to the card slot 24A, and to protect the communication terminal 24 from high-pressure water.

  Controllers 20 and 21 are attached to the front partition plate 8, and the mounting base 22 also serves as a cover member that covers the controllers 20 and 21. In addition, the mounting base 22 is provided with a communication terminal mounting surface 22D1 for mounting the communication terminal 24 and a protective cover mounting surface 22A1 for mounting the protective cover 27. Thus, the communication terminals 24 can be arranged using the space overlapping the controllers 20 and 21 while the controllers 20 and 21 are protected by the mount 22. Further, the protective cover 27 can be attached using the attachment base 22.

  In the embodiment, an example is described in which the controllers 20 and 21, the mounting base 22, the communication terminal 24, and the protective cover 27 are attached to the front partition plate 8. However, the present invention is not limited to this. For example, when the rear side of the front side door 18 of the exterior cover 16 is rotatably attached to the rear partition plate 9, the controller 20, 21, The mounting base 22, the communication terminal 24, and the protective cover 27 may be assembled.

  In the embodiment, the crawler-type hydraulic excavator 1 has been described as an example of a construction machine, but the present invention is not limited to this, and for example, other construction machines such as a wheel-type hydraulic excavator, a hydraulic crane, and a wheel loader. Can also be widely applied.

1 Hydraulic excavator (construction equipment)
2 Undercarriage (body)
3 Upper revolving superstructure (body)
5 Swivel frame (body frame)
6 Cab 8 Front divider 9 Rear divider 10 Engine room (Motor room)
Reference Signs List 11 engine 13 heat exchanger 14 utility room 14A opening 16 exterior cover 17 top plate 18 front side door 18A fulcrum 20, 21 controller (electric equipment)
22 Mounting base 22A Outer plate 22A1 Protective cover mounting surface 22D Inclined plate (inclined surface, cover member)
22D1 Communication terminal mounting surface 24 Communication terminal 24A Card slot 26 SIM card 27 Protective cover

Claims (5)

A body frame that forms a support structure for the self-propelled body,
A cab provided at a front position of the body frame,
A prime mover provided at the rear of the body frame, a prime mover room accommodating a heat exchange device,
A utility room provided in a state partitioned between the cab and the engine room,
An exterior cover having an upper surface plate that covers the motor room and the utility room from above and a side door that opens and closes the utility room from one side in the left and right directions;
A communication terminal provided for performing wireless communication with the outside,
A construction machine comprising a SIM card detachably attached to the communication terminal,
The communication terminal is housed in the utility room,
A construction machine, wherein the communication terminal is provided with a card slot through which the SIM card is inserted and removed facing an opening formed when the side door is opened. The vehicle body frame includes a front partition plate located between the cab and the utility chamber and extending leftward and rightward of the vehicle body frame; A rear partition plate extending leftward and rightward of the body frame is provided,
At least one of the front partition and the rear partition is provided with a mounting base for mounting the communication terminal,
The mounting base is provided with an inclined surface inclined toward the opening,
The construction machine according to claim 1, wherein the communication terminal is mounted on the inclined surface of the mounting base.   The construction machine according to claim 1, wherein a protection cover is attached so as to cover the card slot of the communication terminal. The side door is provided to be openable and closable by rotating about one end side as a fulcrum,
The construction machine according to claim 1, wherein a surface of the communication terminal provided with the card slot is directed toward the fulcrum. A protective cover is attached to cover the card slot of the communication terminal,
An electric device including a controller is attached to the one partition plate,
The mounting base also serves as a cover member that covers the electric device,
The construction machine according to claim 2, wherein the mounting base is provided with a communication terminal mounting surface for mounting the communication terminal and a protective cover mounting surface for mounting the protective cover.

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