JPH0637033U - Outrigger device for truck - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an inexpensive outrigger device that can stably fix a trolley on an installation surface, has excellent operability, and has a simple structure and easy assembly. [Structure] The support shafts 1 and 1 are arranged at the left and right corners of a trolley B in an inclined manner. Overhang rod 2, which can be placed along the left and right side edges of trolley B
The base end of 2 is rotatably fixed by the support shaft 1, and the left and right overhanging rods 2
To the outside of trolley B so that it can overhang in a flared shape. Each of the overhanging rods 2 is formed into a bent shape such that the tip portion thereof can come into contact with the ground. An engaging pin 5 projecting from the overhanging rod 2 and the engaging pin 5
Member 6 that engages with and urges the projecting rod 2 in the direction of the installation surface D
The lock mechanism 3 is provided. The weight member 6 has a semicircular shape having an arcuate locking surface 6b with which the engagement pin 5 of the overhanging rod 2 in the overhanging state is slidably engaged, and the arcuate locking surface
It supports rotatably while applying a load in the 6b direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an illuminator including a floodlight and a generator, or an outrigger device used for a trolley on which other heavy objects are placed.

[0002]

[Prior art]

 Conventionally, an outrigger device shown in FIG. 10 has been known as an outrigger device for this type of truck. This outrigger device is provided with left and right overhanging rods 200, 200 extending in the width direction on the front edge side of the bogie 100, and left and right overhanging rods 300, 300 extending in the front-rear direction on the rear edge side of the bogie 100. At the tip of each of the four overhanging rods, an elevating rod 500 that is moved up and down by rotating the handle 400 is provided, and each of the overhanging rods 200 and 300 is extended and the respective elevating rods 500 are extended. The carriage 100 can be stably fixed on the installation surface by raising and lowering separately for paralleling.

[0003]

[Problems to be solved by the device]

 However, according to the above-mentioned conventional outrigger device, since the four operation handles 400 have to be operated separately after use, there is a drawback that the operability is poor. In addition, a total of four overhanging rods 200 and 300 are required, and since each of the overhanging rods 200 and 300 is provided with an elevating rod 500 and an operating handle 400, the structure is complicated and the assembly is troublesome. In addition to the above, there was a problem that the manufacturing cost was high.

The present invention has been made in view of the above conventional circumstances, and an object thereof is to enable the carriage to be fixed to the installation surface with good stability, excellent operability, and simple in structure. It is to provide an easy and inexpensive outrigger device.

[0005]

Means for Solving the Problems In order to achieve the above-mentioned object, a trolley outrigger device according to the present invention has a base end of an overhanging rod that can be mounted along the left and right side edges of the trolley, and a trolley corner portion. The left and right overhanging rods can be extended outward toward the outside of the bogie, and the tips of the overhanging rods are grounded. In addition to the possible bent shape, it also has a locking mechanism consisting of an engaging pin protruding from the overhanging rod and a weight member that engages with the engaging pin and urges the overhanging rod toward the installation surface. , The weight member has a semi-circular shape with an arcuate locking surface with which the engaging pin of the overhanging rod in the overhanging state slidably engages, and is rotated while applying a load in the arcuate locking surface direction. It is characterized by being movably supported.

[0006]

[Action]

 According to the above structure, when each of the overhanging rods is rotated outward of the carriage (that is, in the overhanging direction) to bring the tip end thereof into contact with the ground, the engaging pin is brought into sliding contact with the arcuate locking surface of the weight member. Engages and the load of the weight member is applied to the engaging pin, and urges the overhanging rod toward the installation surface, and locks the overhanging state of the left and right overhanging rods that flare outward toward the outside of the bogie. It At the same time, since the engaging pin slides in the sliding contact with the arcuate locking surface, the lock positions of the left and right overhanging rods are adjusted separately to make the carriage parallel, and the carriage is placed on the installation surface. Fix with good stability. Further, if the left and right overhanging rods are rotated in the direction of the truck against the load of the weight member, the respective overhanging rods are placed in a storage shape at the left and right side edge portions of the truck.

[0007]

【Example】

 Hereinafter, one embodiment of a trolley outrigger device according to the present invention will be described with reference to FIGS. In the figure, A is an outrigger device of the present embodiment, B is a dolly equipped with the device A, C is a heavy object (illumination device in this embodiment) installed on the dolly B, and D is an installation surface of the dolly B, respectively. Represent Although the lighting device C will not be described in detail, the generator C1 with wheels mounted on the carriage B and the mast C20 installed behind the generator C1 are equipped with two or four light projectors C21. It has a well-known structure including the machine C2.

The dolly B is made of metal having a strength capable of installing a heavy object such as the lighting device C, is provided with front wheels B1 and rear wheels B2 on the front, rear, left and right, and changes the direction of the front and rear wheels. It has a steering wheel B3, a brake (not shown), and the like. Further, along the left and right side edges of the carriage B, an opening groove B4 for receiving a wheel of the generator C1 is provided, and a catch that holds the left and right overhanging rods 2 and 2 in a stored state in a disengageable manner. Install B5.

The outrigger device A rotatably supports the left and right overhanging rods 2 and 2 by means of left and right support shafts 1 and 1 inclined at left and right corners on the rear wheel B2 side of the carriage B. Left and right lock mechanisms 3 and 3 are separately provided near the respective support shafts 1.

The support shaft 1 is rotatably installed between the rising pieces 41, 41 of the left and right flanges 4, 4 fixed so as to spread toward the outside of the bogie.

The overhanging rod 2 is made of a metal rod having a length that can be mounted along the left and right side edges of the carriage B, and the base end thereof is integrally welded to the outer peripheral surface of the support shaft 1 to form the carriage B. It is bulged outward toward the outside and pivotally supported so as to be received in a storage shape at the edge portion of the carriage B side. Further, the projecting rod 2 has a substantially V-shaped bent shape capable of grounding at its tip portion, and a non-slip member 21 made of synthetic resin or rubber is attached to the tip portion.

The lock mechanism 3 includes an engagement pin 5 projecting from the end of the overhanging rod 2 on the shaft stop side and a weight member 6 having a predetermined weight. The weight member 6 is a rising piece 42 of the flange 4. It is rotatably supported by the shaft 7.

As shown in the enlarged view of FIG. 4, the weight member 6 is in a projecting state with a linear sliding contact surface 6a with which the engaging pin 5 of the projecting rod 2 which is in the middle of rotation in the projecting direction slides. The semi-circular shape is provided with an arcuate locking surface 6b with which the engaging pin 5 of the overhanging rod 2 is slidably engaged. Further, the insertion hole 6c of the shaft 7 is circularly urged so as to be rotatably supported while applying a load in the direction of the arcuate locking surface 6b, in other words, to urge the shaft 7 to rotate counterclockwise in FIG. The arc-shaped locking surface 6b is eccentrically formed on the center O '.

Further, the insertion hole 6c is positioned so that the distance from the center O to each point a to e of the arcuate locking surface 6b becomes gradually larger (Oa <Ob <Oc <Od <Oe <Of). By this, the sliding pin engagement position between the engagement pin 5 which rotates about the support shaft 1 and the arcuate locking surface 6b has a width to finely adjust the height of the overhanging rod 2 in the overhanging state. Is possible.

Further, the weight member 6 is provided with a locking pin 61 for preventing the weight member 6 from rotating excessively by a sudden rotation operation of the overhanging rod 2 to prevent the lock function from working. The rotation of the weight member 6 is restricted at the position where the locking pin 61 contacts the rising piece 42 of the flange 4 (see FIG. 9). Further, as shown in FIG. 7, the arcuate engagement surface 6b is formed with a large number of anti-slip concave grooves 6d for increasing the contact friction coefficient between the engagement surface 6b and the engagement pin 5, thereby forming an arcuate engagement surface. Sliding contact between the stop surface 6b and the engagement pin 5 is made more reliable. The concave groove 6d may be formed on the circumferential surface of the engagement pin 5 without being provided on the arcuate locking surface 6b, or may be formed on both the arcuate locking surface 6b and the engagement pin 5. Although not shown, a slip knurl may be formed on either or both of the arcuate locking surface 6b and the engaging pin 5 instead of the groove 6d.

A method of using the outrigger device A of the present embodiment having the above-described configuration will be described. In the initial state, each of the overhanging rods 2 is housed in the left and right side edge portions of the carriage B as shown in FIG. In this state, the carriage B freely moves on the installation surface D, and the overhanging rod 2, the engaging pin 5, and the weight member 6 are not involved as shown in FIG.

From this state, when the left and right overhanging rods 2 are turned in the overhanging direction, the engaging pin 5 contacts the upper edge of the weight member 6, that is, the linear sliding contact surface 6a during the turning operation. Touch (see Figures 6 and 7).

When the extension rod 2 is further rotated from this state, the weight member 6 is also integrally rotated, and the engaging pin 5 is disengaged from the linear sliding contact surface 6a at the extension position of the extension rod 2. , Is slidably engaged with the arcuate locking surface 6b of the weight member 6, and in this state, the entire load of the weight member 6 is applied to the overhanging rod 2 via the engaging pin 5, and the overhanging rod 2 is mounted on the installation surface D. Bias in the direction (see FIG. 8). Therefore, as shown in FIGS. 1 and 2, the overhanging states of the left and right overhanging rods 2 and 2 which are bulged outward toward the outside of the carriage B are automatically locked, and the locked left and right overhanging rods 2 and 2 are automatically locked. The carriage B is fixed on the installation surface D by means of 2 so as not to move.

Furthermore, as shown in (a) to (b) of FIG. 8, the sliding contact engagement between the engagement pin 5 and the arcuate locking surface 6b occurs at arbitrary plural positions of the arcuate locking surface 6b. Accordingly, the lock positions of the left and right overhanging rods 2 and 2 are adjusted separately, and the carriage B is parallelly extended to ensure the stability of the carriage B in the fixed state. In the locked state, the large number of concave grooves 6d provided on the arcuate locking surface 6b increase the contact frictional resistance between the locking surface 6b and the engagement pin 5, so that the weight member should be used. Even if a force is applied to 6 in a direction in which the engagement pin 5 is disengaged, the weight member 6 does not easily rotate, and the engagement pin 5 is prevented from being easily disengaged.

When the carriage B in the fixed state is moved, if the left and right overhanging rods 2 are individually rotated against the load of the weight member 6 in the direction of the carriage B, the engaging pin 5 can be moved. Slides in the direction of the linear sliding contact surface 6a to automatically disengage the sliding contact engagement between the engagement pin 5 and the arcuate locking surface 6b. It is stored in the left-right edge area.

Needless to say, the carriage B is fixed in conjunction with the operation of the brake linked to the rear wheel B2, and the brake is released when the carriage B is moved. .

[0022]

[Effect of device]

 The bogie outrigger device according to the present invention is configured as described above. Therefore, if the left and right overhanging rods are extended outward toward the outside of the bogie, the overhanging rod is installed by the engagement of the engaging pin and the weight member. The overhanging state of each overhanging rod is automatically locked by urging in the surface direction, and the locking position of each overhanging rod is locked by sliding contact with the arcuate locking surface of the engaging pin. The carriage can be adjusted in parallel by adjusting it separately, and the carriage can be fixed on the installation surface with good stability. Further, when each of the overhanging rods is rotated in the direction of the bogie, each of the overhanging rods is mounted in a storage shape on the left and right side edge portions of the bogie.

[0023] Therefore, the same stable carriage fixing function as that of the conventional device is obtained, and the operability during use and after use is significantly improved, and the structure is such that the left and right overhanging rods and weight plates are the main parts. It was possible to provide an outrigger device that is easy to assemble and inexpensive as an extremely simple one.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a trolley outrigger device according to the present invention, showing a usage state.

FIG. 2 is a plan view of FIG.

FIG. 3 is a front view showing a stored state of the outrigger device according to FIG.

FIG. 4 is an enlarged view of the weight member in FIG.

FIG. 5 is an enlarged schematic view showing an overhanging rod and a weight member in FIG.

FIG. 6 is a simplified diagram for explaining the operation of the lock mechanism, showing a state immediately before locking.

7 is a perspective view of the lock mechanism in the state of FIG.

FIG. 8 is a simplified diagram for explaining the operation of the lock mechanism.
Indicates the lock upper limit position, (b) the lock normal position, and (c) the lock lower limit position.

FIG. 9 is an enlarged view showing a rotation restriction state of the weight member.

FIG. 10 is a perspective view showing a usage state of a conventional device.

[Explanation of symbols]

A: Outrigger device B: Truck
C: Lighting device D: Installation surface 1: Support shaft
2: Overhang rod 3: Lock mechanism 4: Flange
5: Engagement pin 6: Weight member 6a: Linear sliding contact surface 6
b: Arc-shaped locking surface 6c: Insertion hole 7: Shaft

Claims (1)

[Scope of utility model registration request] 1. The left and right overhanging rods are rotatably fixed to the base ends of the overhanging rods that can be placed along the left and right side edges of the bogie by pivot shafts inclined at the corners of the bogie. To the outside of the bogie so that it can be flared in a flared shape, and each of the overhanging rods has a bent shape such that the tip portion can touch the ground, and the engaging pin protruding from the overhanging rod and the engaging pin An arcuate engagement member, comprising a lock mechanism composed of a weight member that engages and urges the overhanging rod in the installation surface direction, the weight member slidingly engaging the engaging pin of the overhanging rod in the overhanging state. A bogie outrigger device having a semi-circular shape with a stop surface and rotatably supported while applying a load in the arcuate locking surface direction.