JP3089170U - Engine driven work machine - Google Patents

Abstract

(57) [Problem] To provide an inexpensive engine-driven working machine that can prevent theft with a simple structure. A work machine main body driven by an engine is housed inside a bonnet B, a concave portion (central concave portion C) is formed in an upper surface portion of the bonnet, and a lifting device is hung on the concave portion. An engine-driven working machine (engine-driven generator 1) provided with a lifting member (a lifting round bar M) for stopping, a covered member (a concave cover 10) for hiding the lifting member. ) Is provided so as to be detachable, and is formed so as to be lockable so that the covered member cannot be removed.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a soundproof engine-driven working machine (hereinafter referred to as “working machine”) in which a working machine main body is housed in a hood.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, a working machine in which a working machine body driven by an engine is housed in a hood has been used to reduce noise. Hereinafter, an engine-driven generator (hereinafter referred to as “generator”) will be described as an example of this type of working machine.

A generator is generally used outdoors (hereinafter, referred to as a “work site”) such as a construction site, is transported by a transport means such as a truck, and is transferred to the work site by a lifting means such as a crane. It is carried in. In order to facilitate such carrying-in work, the generator is provided with a hanging part on the upper surface of the bonnet. For example, the lifting portion is formed by placing a lifting round bar (lifting member) laterally in a concave portion formed on the upper surface of the hood, and using a wire rope provided with a lifting hook, By hooking the hook on the lifting round bar, the generator can be easily lifted.

[0004]

[Problems to be solved by the invention]

 On the other hand, since the generator is often left at the work site from the end of work to the start of work on the next day, it can be lifted and carried away in the same manner as at the time of carry-in. May be stolen. For this reason, a sensor detects that the bottom of the generator has separated from the ground contact state or that a lifting load has been applied to the lifting device, and issues an alarm to prevent theft (JP-A-8-185575). Generators have been developed with various measures such as the installation of a new power generator.

However, the generator has to be provided with an anti-theft device and the like, which complicates the structure, which leads to an increase in cost and a possibility that the device may be broken. Maintenance was required.

The present invention has been made to eliminate the above problems, and has as its object to provide an inexpensive working machine that can prevent theft with a simple structure.

[0007]

[Means for Solving the Problems]

 In order to solve the above-mentioned problem, the present invention provides a work machine body driven by an engine housed inside a bonnet, a recess formed in an upper surface of the bonnet, and a lifting device in the recess. A work machine in which a lifting member for hanging the lifting member is horizontally provided, wherein a covering member for concealing the lifting member is provided detachably, and the covering member is not removable. It is characterized by being formed so as to be lockable.

[0008] Here, the term "locking" refers to providing a lock hole in the covered member and attaching a padlock, a cylinder lock, or the like, or inserting the covered member inside the inspection door in the bonnet to perform the inspection. It includes various modes such as making the covered member unremovable by locking the door.

According to the working machine of the present invention, a cover member for concealing the lifting member is attached after the work is completed, and the cover member is locked, so that a third person can easily mount the cover member. It cannot be removed. Therefore, it is possible to effectively prevent a third party from hanging a lifting device such as a hook on the lifting member and carrying the lifting device or the like with a simple structure.

Further, in the working machine, if the covered member has a structure that conceals the entire area of the concave portion, it is further advantageous that the covered member is peeled off and a lifting device is inserted from a gap of the concave portion. Can be prevented.

In the working machine, if a baffle plate is provided so as to protrude from the concave side of the member to be mounted, a third party may form a gap in the member to be mounted by any method, and the third party may lift the space from the gap. The act of inserting a tool or the like into the recess and hooking it on the lifting member can be effectively prevented by the presence of the baffle plate. In addition, in order to effectively prevent the hanging member from being hooked by forming a gap in the member to be covered by the baffle plate, it is preferable to provide the member near the lifting member. Further, the number of the baffles is not limited.

Further, according to the present invention, a working machine body driven by an engine is housed inside a bonnet, a concave portion is formed in an upper surface portion of the bonnet, and a lifting device is hung on the concave portion. A working member provided with a lifting member for closing the space, wherein a closing member for closing a space below the lifting member is detachably provided in contact with or near the lower surface of the lifting member. And the closing member is formed so as to be fixable from the inside of the hood so that it cannot be removed.

According to the present invention, the closing member for closing the space below the lifting member is provided detachably, and the closing member is not removable. Therefore, with a simple structure, it is possible to effectively prevent a third party from hooking a lifting device such as a hook from below the lifting member and carrying it away by a lifting device or the like due to the presence of the closing member. Can be done.

Further, in the present invention, the working machine body driven by the engine is housed inside the bonnet, a concave portion is formed on the upper surface of the bonnet, and a lifting device is hung on the concave portion. A work machine provided with a lifting member for stopping and another rod-shaped member, wherein a bracket having a hook portion for attaching a lock is detachably provided on the rod-shaped member, and a through-hole is provided. A mounting member for concealing the lifting member is provided detachably, and a hook portion of the bracket is formed so as to protrude from the through hole of the mounting member. And

According to the present invention, it is possible to attach the bracket and the member to the work machine, and attach the lock with the hook portion of the bracket protruding from the through hole of the member. Therefore, by attaching the cover member and locking it to the hook portion, it is possible to effectively prevent a third party from removing the cover member.

[0016]

[Embodiment of the invention]

 Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings. In the description of each embodiment, the same components will be denoted by the same reference symbols, without redundant description. Further, in the following description, front view means when viewed from the direction of the rear panels 90 and 90 'in FIG. 1 or FIG. 9, and side view means when viewed from the direction of the side panels 91 and 91', respectively. It corresponds.

First Embodiment As shown in FIG. 1, a generator 1 according to a first embodiment includes an engine, a generator main body (working machine main body) driven by the engine (both shown in the drawing). ) Is provided inside bonnet B. At substantially the center of the upper surface of the bonnet B, a concave groove is formed in a direction (width direction) parallel to the short side B1 of the bonnet B. This concave groove is divided into a central concave part C inside the bonnet B and concave parts T1 and T2 on both sides thereof by concave cover hooking parts K1 and K2 provided at the end of the bonnet B. Note that the recess cover hooking portions K1 and K2 are formed as part of a roof panel forming the roof of the bonnet B.

At an intermediate portion of the central concave portion C, a hanging round bar M (a lifting member) for hanging a lifting tool (not shown) such as a hook, which is horizontally disposed horizontally, is bonnet. It is provided so as not to protrude above B. Further, a rectangular rope hook R is provided in the end recesses T1 and T2 on both sides. Further, left and right double doors D1, D2 for inspection are provided on the side surface of the hood B, and the boundary between the left and right inspection doors D1, D2 is located directly below the end recess T2. It is supposed to.

Next, the concave cover 10 (covered member) for hiding the hanging round bar M will be described. The concave cover 10 covers the entire area from one end (left side in FIG. 2) of the central concave C to the other end of the central concave C (hereinafter, referred to as “right concave T2”). The right end recess T2 side end is bent inward at 90 degrees. Further, a stepped portion (hereinafter, this portion is referred to as a “front end stepped portion 11”) is formed at the front end portion of the recessed cover 10 so as to be in close contact with the lower surface of the recessed cover hooking portion K <b> 1 to be hooked. I have. Further, in the concave cover 10, wide portions 12 and 13 are formed in a portion located above one end of the central concave portion C and a portion located above the concave portion cover retaining portion K2 and the right end concave portion T2 in plan view. Has been.

A rectangular hole 17 and a round hole 18 are formed in the corner of the concave portion cover 10 and in the vicinity of the lower side thereof, and the rope hook R is passed through the rectangular hole 17 and the round hole 18. Padlock J can be locked. Further, on both sides of the concave cover 10 between the left and right wide portions 12 and 13, vertical edges 14 are provided so as not to insert a bur or the like between the central concave portion C. In addition, since the central concave portion C and the end concave portions T1 and T2 are provided symmetrically, the concave portion cover 10 may be hooked on either the left or right concave portion hooking portions K1 and K2.

As shown in FIG. 3, in the generator 1, at the end of the work, the stepped end 11 of the recessed cover 10 is hooked by inserting it into the lower surface of the recessed cover hooking portion K 1. It is mounted so as to close the right end recess T2. Then, the locking hook J1 of the padlock J is inserted into the rectangular hole 17 and the round hole 18, and the locking hook J1 is wound around the rope R to lock. As a result, the recess cover 10 is locked and cannot be easily removed.

Therefore, according to the power generator 1, since the hanging round bar M can be prevented from being exposed to the outside, a third party can hook a lifting tool on the hanging round bar M. Then, it can be effectively prevented from being carried away by a lifting device or the like with a simple structure. Further, since the concave cover 10 is provided with the vertical edge portion 14, it is possible to prevent an act of inserting a bur or the like from a gap between the central concave portion C and the concave cover 10 and prying open the concave cover 10. Can be.

Second Embodiment As shown in FIG. 4, the generator 2 of the second embodiment is different from the generator 1 of the first embodiment only in the form of the concave cover 20. Therefore, only the concave cover 20 will be described.

The recess cover 20 is formed in a gate shape in a front view so as to cover the entire area of the central recess C and the end recesses T1 and T2 on both sides. The one vertical portion 25 (the left vertical portion in FIG. 4) is provided with a closed body 21 having a concave shape in a side view so as not to insert a crowbar or the like between itself and the end concave portion T1. Further, for the same reason, vertical edges 24 are provided on both sides between the left and right wide portions 22 and 23 in the concave cover 20.

The recess cover 20 has a wide portion 22, 23 at a portion located above one end of the central recess C and a portion located above the recess cover hooking portion K 2 and the right end recess T 2 in plan view. Is formed. Further, a rectangular hole 27 and a round hole 28 are formed near the corner of the vertical portion 26 on the side of the recess cover 20 where the closing body 21 is not provided, and near the lower portion thereof. The padlock J can be locked on the rope hook R 1 through the round hole 28. A baffle plate 29 (U-shape in plan view) for completely closing the central recess C is provided vertically near the lifting round bar M in the recess cover 20 (on the side of the rectangular hole 27). I have.

As shown in FIG. 5, in the generator 2, at the end of the work, the closing body 21 of the recess cover 20 is hooked by inserting it into the lower part of one of the rope hooks R (left side in FIG. 5), The central recess C and the side recesses T1 and T2 are covered so as to be closed. Then, the locking hook J1 of the padlock J is inserted into the rectangular hole 27 and the round hole 28, and the locking hook J1 is wound around the other rope hook R for locking. As a result, the recess cover 20 is locked and cannot be easily removed.

Accordingly, the generator 2 can also prevent the hanging round bar M from being exposed to the outside. In addition, since the baffle plate 29 protrudes from the concave cover 20 so as to close the central concave portion C, a third party forms a gap in the concave cover 20 by some method, and a lifting device or the like is formed from the gap. It is possible to effectively prevent the act of being inserted into the central concave portion C and hanging on the lifting round bar M. Further, since the recess cover 20 includes the closing body 21 and the vertical edge portion 24, a bur or the like is inserted from a gap between the central recess C and the recess cover 20 to pry open the recess cover 20. Acts can be prevented.

Third Embodiment As shown in FIG. 6, the generator 3 of the third embodiment differs from the generator 1 of the first embodiment only in the form of the concave cover 30. Therefore, only the concave cover 30 will be described.

The shape of the concave cover 30 is substantially the same as the shape of the concave cover 10 of the first embodiment, but the base end 32 opposite to the distal step 31 has an L-shape (viewed from the front). It is formed. After the inspection doors D1 and D2 are opened, the concave cover 30 is attached to a frame F for supporting the inspection doors D1 and D2 after the base end 32 having an L-shape is adhered thereto. The doors D1 and D2 are closed by closing the doors. Since the inspection doors D1 and D2 are provided with a cylinder lock (not shown), the depression cover 30 cannot be removed by locking the cylinder lock. The rectangular cover 17 and the round hole 18 provided in the concave cover 10 of the first embodiment need not be provided in the concave cover 30 of the present embodiment.

Accordingly, the generator 3 can also prevent the hanging round bar M from being exposed to the outside. In this case, there is no need to separately provide a padlock or the like, and the lock can be easily performed using the cylinder locks of the inspection doors D1 and D2.

Fourth Embodiment As shown in FIG. 7, a generator 4 according to a fourth embodiment is different from the recess cover 10 used in the generator 1 according to the first embodiment in that a lifting circle is used. Since the rod-mounted cover 40 (mounting member) is used, only the lifting round bar-mounted cover 40 will be described.

The lifted round bar covered cover 40 is a member for surrounding only the lifted round bar M, and is formed in a hat shape (viewed from the front) including a portal 41 and brims 42 on both sides thereof. And is provided over the entire width of the central concave portion C. A circular through-hole 41a is formed on both sides of the portal 41. The hanging round bar covered cover 40 accommodates the hanging round bar M in the inner space of the gate 41, turns the chain 45 around both through holes 41a, and locks the chain 45 with a padlock J. By stopping, it cannot be removed. Needless to say, a string-like member such as a wire that is not easily cut may be provided instead of the chain 45.

Accordingly, the generator 4 can also prevent the hanging round bar M from being exposed to the outside. Further, since the hanging round bar-mounted cover 40 is provided with the collar portion 42, even if the lifting round bar-mounted cover 40 is to be removed by rotation, the flange can be removed. Since the portion 42 is in the way, it is difficult to remove the hanging round bar covered cover 40.

As shown in FIG. 8, another generator 4 ′ employing another hanging round bar covered cover 40 ′ and a padlock mounting bracket 47 may be used. That is, the lifted round bar covered cover 40 'is different only in the shape of the two through holes 41a in the lifted round bar covered cover 40, and is provided with a rectangular elongated hole 41a'. . On the other hand, the padlock mounting bracket 47 is T-shaped, and a round hole 47b is formed in the T-shaped vertical portion 47a (hereinafter, simply referred to as "vertical portion"). Then, the vertical portion 47a of the padlock bracket 47 is inserted into both long holes 41a ', and the locking hook J1 of the padlock J is inserted into the round hole 47b to lock the padlock. 'Has a structure that cannot be removed. As described above, any structure can be adopted as long as the structure can prevent the hanging round bar M from being exposed to the outside.

Fifth Embodiment As shown in FIG. 9, the generator 5 of the fifth embodiment is different from the generator 1 of the first embodiment in that the recess cover 10 is replaced with a recess closing box 50 (see FIG. 9). Since the present invention has a feature in that a closing member is provided, the description will be made focusing on the concave closing box 50.

The recess closing box 50 has a hollow rectangular parallelepiped shape having no bottom surface, and is formed so as to contact the lower surface of the hanging round bar M over the entire width of the central recess C. Further, a through hole B2 is provided at a predetermined position at the center of the side surface of the bonnet B forming the central concave portion C, and round holes 51 are formed on both side surfaces of the concave closed box 50 which are in contact with the through hole B2. Are drilled. When the recessed closing box 50 is used, the through hole B2 and the round hole 51 are communicated with each other, and a fixing jig such as a thumb screw 55 is fastened to the nut 56 from the inside of the bonnet B. The concave closing box 50 is fixed so that it cannot be removed from the outside.

A through hole B3 is also provided at a predetermined position of an end of the side surface of the bonnet B forming the central concave portion C. When the generator 5 is loaded or unloaded, the thumb screw 55 or the like is used. The fixing jig described above can fix the recess closing box body 50 at that position.

Therefore, according to the power generator 5, the space below the hanging round bar M is closed by the recess closing box 50 so that a third party can lift the space from below the hanging round bar M. With a simple structure, it is possible to effectively prevent the tool from being hooked and removed by a lifting device or the like with a simple structure.

Sixth Embodiment As shown in FIG. 10, a generator 6 of a sixth embodiment includes an engine, a generator body driven by the engine (both not shown), and a bonnet B ′. Inside. At the approximate center of the upper surface of the bonnet B ', a concave portion C' is formed in a direction parallel to the short side B1 'of the bonnet B' (width direction). In the middle part of the concave portion C ', a hanging round bar M' for hanging a horizontally mounted lifting tool, and a handle horizontally provided near both ends. R '(another rod-shaped member).

As shown in FIG. 11, a padlock mounting bracket 71 having a U-shape (as viewed from the front) is attached to the handle R ′ with a U-bolt 72 and a nut 73. The padlock mounting bracket 71 has a hook 71a projecting therefrom, and the hook 71a projects from the long hole 67 of the concave cover 60 described later.

As shown in FIG. 11, the concave portion cover 60 has a shape that covers the entire area of the concave portion C ′, and the front end is hooked on an end portion of the concave portion C ′ (hereinafter, referred to as a “locking end portion C 1 ′”). A step portion (hereinafter, this portion is referred to as a “tip step portion 61”) is formed for stopping, and a vertical portion 66 is formed at the other end. Wide portions 62 and 63 are formed on both sides of the concave cover 60, and an elongated hole 67 for engaging a locking hook J1 of a padlock J is provided at an end on the vertical portion 66 side. A round hole 68 used for removing the recess cover 60 is provided. Reference numeral 64 is a vertical edge similar to the concave cover 10 of the first embodiment.

As shown in FIG. 12, in the generator 6, at the end of the work, the leading end step 61 of the concave cover 60 is inserted into the lower surface of the engaging end C1 ′ to be engaged, and the concave C ′ is engaged. Is mounted so as to close. Then, by inserting the locking hook J1 of the padlock J into the hook 71a protruding from the long hole 67 and locking, the concave cover 60 is locked and cannot be easily removed. Accordingly, the generator 6 can also prevent the lifting round bar M from being exposed to the outside.

As described above, an example of a preferred embodiment of the present invention has been described. However, the present invention is not limited to the above-described embodiment, and the design of each of the above-described components can be appropriately changed without departing from the spirit of the present invention. In particular, the present invention is not limited to generators, but is applicable to all commonly used working machines such as compressors and welding machines.

In the above embodiment, the case where a padlock is used as the lock has been described. However, the type of lock is not limited, and a cylinder lock or the like may be used. In this case, the use of the same lock as the cylinder lock provided on the inspection door formed on the bonnet makes it possible to easily manage the lock, which is very preferable.

[0045]

[Effect of the invention]

 According to the present invention, theft can be prevented with a simple structure, and an inexpensive working machine can be provided.

[Brief description of the drawings]

FIG. 1 shows an engine-driven generator according to the present invention (first embodiment).
(A concave cover is not shown).

FIG. 2 shows an engine-driven generator according to the present invention (first embodiment).
It is a principal part expansion perspective view which shows the center part of FIG.

FIGS. 3 (a) and 3 (b) are side sectional views showing a procedure for mounting the concave cover of the engine-driven generator (first embodiment) of the present invention.

FIG. 4 shows an engine-driven generator according to the present invention (second embodiment).
It is a principal part expansion perspective view which shows the center part of FIG.

5 (a) and 5 (b) are side sectional views showing a procedure for mounting a concave cover of the engine driven generator (second embodiment) of the present invention.

FIG. 6 shows an engine-driven generator according to the present invention (third embodiment).
3 is an enlarged side sectional view of a main part showing a central part of FIG.

FIG. 7 shows an engine-driven generator according to the present invention (fourth embodiment).
3 is an enlarged side sectional view of a main part showing a central part of FIG.

FIG. 8 is a diagram showing a central portion of the engine-driven generator (a modified example of the fourth embodiment) of the present invention, where (a) is a plan view,
(B) is a principal part enlarged side sectional view.

FIG. 9A shows an engine-driven generator (fifth embodiment) of the present invention.
(Embodiment) is an enlarged side sectional view showing a central portion of the main part,
(B) is XX sectional drawing in (a).

FIG. 10 is a perspective view showing an engine-driven generator (sixth embodiment) of the present invention (a concave cover is not shown).

FIG. 11 is an enlarged perspective view of a main part showing a central portion of the engine-driven generator (sixth embodiment) of the present invention.

FIGS. 12A and 12B are side sectional views showing a procedure for mounting a concave cover of the engine-driven generator (sixth embodiment) of the present invention.

[Explanation of symbols]

1,2,3,4,5,6 Generator (engine driven work machine) B, B 'Bonnet B2, B3 Through hole K1, K2 Concave cover hook C Central recess C'Cut C1' Hanging end T1 , T2 End recess M Lifting round bar (lifting member) R Rope hook R 'Handle (other bar-shaped member) D1, D2 Inspection door J Padlock J1 Locking hook 10, 20, 30, 40, 60 Concave cover ( Covering member) 14, 24, 34, 64 Vertical edge 17, 27, 67 Long hole 18, 28 Round hole 40, 40 'Suspended round bar Covering (covering member) 41 Gate section 42 Collar part 45 Chain 50 Recessed closing box 47, 71 Padlock mounting bracket 71a Hook 72 U bolt

[Procedure amendment]

[Submission date] May 1, 2002 (2002.5.1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 2

[Correction method] Change

[Correction contents]

Claims (5)

[Utility model registration claims] 1. A work machine main body driven by an engine is housed inside a bonnet, a concave portion is formed in an upper surface portion of the bonnet, and a suspender for hanging a lifting device in the concave portion. An engine-driven working machine provided with an upper member, wherein a covering member for concealing the lifting member is detachably provided, and the covering member is lockable so that the covering member cannot be removed. An engine-driven working machine characterized by being formed in a. 2. The engine-driven working machine according to claim 1, wherein the cover member covers an entire area of the recess. 3. The engine-driven working machine according to claim 2, wherein a baffle plate is protrudingly provided on the side of the concave portion of the mounted member. 4. A work machine main body driven by an engine is housed inside a bonnet, a concave portion is formed in an upper surface portion of the bonnet, and a suspender for hanging a lifting device in the concave portion. An engine-driven working machine provided with an upper member, wherein an obstruction member for obstructing a space below the hoisting member is detachably provided in contact with or close to a lower surface of the hoisting member. An engine-driven work machine, wherein the closing member is formed so as to be fixed from the inside of the bonnet so that it cannot be removed. 5. A work machine main body driven by an engine is housed inside a bonnet, a concave portion is formed in an upper surface portion of the bonnet, and a suspender for hanging a lifting device in the concave portion. An engine-driven working machine provided with an upper member and another rod-shaped member, wherein a bracket having a hook portion for attaching a lock is detachably provided on the rod-shaped member, and has a through hole. An engine, wherein a cover member for concealing the lifting member is detachably provided, and a hook portion of the bracket is formed so as to protrude from the through hole of the cover member. Driving work machine.