KR20210034949A - Telescopic fork Device for moving cart - Google Patents

Abstract

The present invention relates to a telescopic fork device for a driving cart. The telescopic fork device, which is formed to transport goods while being extended as multiple stages, includes: a fixed plate including a plurality of first driving rollers mounted in a longitudinal direction; a first moving plate placed on one side of the fixed plate, and including a driving groove processed on both sides on a front side while being processed in a longitudinal direction, and upper and lower rails fixed to upper and lower sides of the driving groove, respectively; and a second moving plate placed on one side of the first moving plate, and including a plurality of second driving rollers. Therefore, the present invention is capable of preventing plates from being coupled and dismantled by an external shock, and maximally preventing the interference of the fixed plate, the first moving plate and the second moving plate while sufficiently guaranteeing movement between each other.

Description

Telescopic fork device for moving cart

The present invention relates to a telescopic fork device, and more particularly, a multi-stage moving plate moving by a plurality of belt belts moving horizontally on the front side is rolled by mutual rollers, thereby ensuring stable and smooth movement of the moving plates. It relates to a telescopic fork device for a traveling cart.

In general, a telescopic fork device is configured to receive an article placed on a shelf of a rack and place it on a traveling cart.

The conventional configuration of such a telescopic fork device 10 is disposed on both sides of the traveling cart 20 on the front, as shown in FIG. 1 as an example, and receives the cargo P located in the front or the rear to the traveling cart 20 It is installed so that it can be put on. The telescopic fork device 10 may include a fixing plate 11, a movable plate 12, and a second movable plate 13 so as to be moved forward or rearward and then return. Briefly explaining these configurations, the fixed plate 11 is fixed to the body 21 of the traveling cart 20, and the first moving plate 12 and the second moving plate 13 are sequentially inside the fixed plate 11. Can be equipped with. At this time, the fixed plate 11, the first moving plate 12, and the second moving plate 13 are processed with protrusions and concave portions in the longitudinal direction, and are mounted to each other in a structure in which these protrusions and concave portions are matched. When the moving plate 12 and the second moving plate 13 are moved, it is possible to guide and prevent departure of the moving path.

However, the mounting structure of the fixed plate 11, the first moving plate 12, and the second moving plate 13 by matching the protrusions and concave portions between each other is very easily disassembled by external impact, and interference easily occurs even with a slight twist. And, there is a problem that the operation of the plates may be impossible due to this interference.

Korean Patent Registration No. 10-1551997 (announced on September 9, 2015) International application WO 2015/038999 A2 (published on March 19, 2015) Japan Special Edition 2013-47150 (released on March 7, 2013) European patent EP0733563 A1 (published on September 25, 1996) U.S. Patent US2005/0047895 A1 (published 03.03.2005)

An object of the present invention conceived to solve the above-described problem is that a fixed plate, a first moving plate and a second moving plate are firmly coupled to each other by fitting and mounting of a traveling roller, and at least two belt belts moving horizontally on the front face to each other. A telescopic fork device for a traveling truck that is installed so as to be wound in the opposite direction, preventing interference due to disassembly and twisting of the plates due to external impact, and allowing the first and second moving plates to move safely in both left and right directions. It is in providing.

In order to achieve the above object, the telescopic fork device for a traveling cart according to the present invention includes a fixed plate having a plurality of first traveling rollers mounted in a longitudinal direction in a telescopic fork device configured to transfer cargo while extending in multiple stages; A first movable plate disposed on one side of the fixing plate and having travel grooves processed on both sides of the front surface while being processed in the longitudinal direction, and selectively having an upper rail and a lower rail fixed to the upper and lower surfaces of the travel groove; It may include a second moving plate 400 disposed on one side of the first moving plate and having a plurality of second running rollers mounted in the longitudinal direction.

Here, the first running roller and the second running roller are mounted in the running grooves processed on both sides of the first moving plate, and some of the rollers contact the upper surface or the upper rail of the running groove, and the rest are under the running groove. Alternatively, the first moving plate and the second moving plate may be arranged to travel left and right in contact with the lower rail.

On the other hand, a timing belt installed at the bottom of the first moving plate to engage with a timing belt gear processed along the length, at least one driving roller or driven roller disposed on both sides of the timing belt, respectively, and installed to rotate the driving roller. It may further include a drive means having a first power source.

At this time, the first moving plate may travel to the left or right by the timing belt to which the first power source is transmitted.

On the other hand, it may further include a; moving means installed to adjust the moving distance of the first moving plate and the second moving plate with respect to the fixed plate.

Here, as for the moving means, one end is fixed to the right side of one side of the first moving plate side, and the other end is wound around the cable bear pulley mounted on the left upper side of the first moving plate, and then the first moving plate side of the second moving plate. A first belt fixed to the left side of one side; One part is fixed to the left side of one side of the first moving plate side of the fixed plate, and the other end is wound around a belt roller mounted on the right upper side of the first moving plate, and then fixed to the right side of one side of the first moving plate side of the second moving plate. And, one end portion is fixed to the right side of the first moving plate side of the fixed plate, the first belt belt is disposed to overlap one side of the first moving plate side, and the other end portion is together with the first belt belt. After being wound around the cable bear pulley, the second moving plate may include a cable bear that is fixed to the left side of the first moving plate side and protects the received electric wire from external interference. In addition, it is possible to selectively provide a fitting groove perforated in the fixing plate in order to lower the protruding height due to the overlapping of the cable bear and the first belt belt.

Accordingly, the cable bear, the first belt belt, and the second belt belt are arranged vertically, and are wound horizontally in front of the cable bear pulleys and belt controllers having different heights while being positioned opposite to each other, and the first moving plate moves in one direction. Doing so can lead to movement in opposite directions.

In addition, the movement distance of the second movable plate can be induced to be longer with respect to the movement distance of the first movable plate based on the fixed plate by linking the first belt belt and the second belt belt.

On the other hand, the fixing plate further includes a second belt fixing hole processed in a slot shape on the upper left, and a first belt fixing hole positioned higher or lower in the front than the second belt fixing hole while being processed in a slot shape on the upper right. can do.

In addition, it may further include a first tension adjusting means fastened to one end of the first belt belt or the second belt belt and mounted on the fixing plate to adjust the tension.

Here, the first tension adjusting means includes a mounting member disposed on an outer surface opposite to the first belt belt or the second belt belt located inside with the fixing plate interposed therebetween, and the first belt fixing hole or the second belt belt fixing It may include a first fastening member through the hole and coupling the first belt belt or the second belt belt and the mounting member. In addition, the first belt belt or the second belt belt may optionally include a first belt belt block or a second belt belt block mounted at a tip portion for fastening with the first fastening member.

Accordingly, the mounting member may be installed to adjust the tension of the first belt belt or the second belt belt while being moved and fixed along the long slots of the first belt belt fixing hole or the second belt belt fixing hole.

In addition, the first tension adjusting means further includes a first fixing member fixed to a fixing plate adjacent to the mounting member, and a tension adjusting member fastened to enable reciprocating movement and fixation while being coupled with the mounting member through the first fixing member. can do.

Accordingly, the tension adjusting member may be installed to reciprocate to adjust the tension of the first belt belt or the second belt belt by pushing or pulling the mounting member.

On the other hand, the fixing plate may further include a cable bear fixing hole processed to the same height on the front near the first belt fixing hole on the upper right.

In addition, it may further include a second tension adjusting means fastened to one end of the cable bear and mounted on the fixing plate to adjust the tension.

Here, the second tension adjustment means is disposed on the outer surface opposite to the cable bear located inside with the fixing plate interposed therebetween, the second fixing member having a slot processed;, a second fastening for fixing the second fixing member to the fixing plate It may include a member and a third fastening member that penetrates the cable bear fixing hole and couples the second mounting member and one end portion of the cable bear. In addition, the cable bear may optionally include a cable bearing block mounted at the tip portion for fastening with the third fastening member.

Accordingly, the second fastening member may be installed to adjust the tension of the cable bear by being moved and fixed along the slot of the second fixing member while being tightened and released.

On the other hand, the second movable plate includes at least finger means having a finger disposed at both ends and a second power source installed at the lower ends of each of the fingers to rotate the finger, and at least installed to detect a state in which the finger is standing and a state in which the finger is vortex, respectively. Two finger detection sensors, a cargo detection sensor installed to detect the position of the cargo and to detect the point of axis rotation of the finger, and a second to control the axis rotation of the finger based on the measurement data of the finger detection sensor and the cargo detection sensor. It may further include a control means having a substrate installed to control the operation of the power source.

In this case, the finger may include a first sensing unit protruding to detect a state of a standing person by any one finger detection sensor, and a second sensing unit protruding to detect a state of vortex by another finger sensing sensor. .

As described above, according to the present invention, the fixed plate, the first moving plate and the second moving plate are fitted with a running roller fitted therebetween, and are firmly coupled to roll along the rail, thereby preventing the disassembly of the plates due to external impact. , While preventing interference between the fixed plate, the first moving plate and the second moving plate as much as possible, there is an effect that the movement between each other can be sufficiently guaranteed.

In addition, since at least two belt belts moving horizontally on the front side are installed so as to be wound in opposite directions, there is an effect that the first moving plate and the second moving plate can be safely moved in both left and right directions.

In addition, the first and second running rollers are installed so that some rollers are in contact with the upper rail and the other rollers are in contact with the lower rail due to the height difference between the rollers, so that the first running roller and the second running roller are in the running groove. Is firmly mounted, there is an effect that the movement of the first moving plate and the second moving plate can be guaranteed.

The following drawings attached to the present specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with the detailed description of the present invention, so the present invention is limited to the matters described in such drawings. Should not be interpreted.
1 is a front view schematically showing a telescopic fork device mounted on a conventional traveling cart.
2 is a front view schematically showing a telescopic fork device for a traveling cart according to a preferred embodiment of the present invention.
3 is an exploded perspective view of a part of the telescopic fork device shown in FIG. 2.
4 is an enlarged perspective view of the fixing plate shown in FIG. 3.
5 is an enlarged perspective view illustrating a first moving plate and surrounding components in FIG. 3.
6 is a perspective view illustrating an inner portion of the second moving plate shown in FIG. 3.
7 and 8 are enlarged perspective views illustrating a first tension adjusting means coupled to a first belt and a second belt belt shown in Fig. 3 and a second tension adjusting means coupled to a cable bear.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention in describing the operating principle of the preferred embodiment of the present invention in detail, the detailed description thereof will be omitted. In addition, directions such as'front','rear','left','right','one side','other side','upper' and'lower' may be limited to the directions shown in the drawing.

<Configuration>

The telescopic fork device for a traveling cart according to a preferred embodiment of the present invention includes a fixed plate 100, a first moving plate 200, a driving means 300, and a second moving plate as shown in FIGS. 2 and 3. 400), a moving means 500, a first tension adjustment means 600, and comprises a second tension adjustment means 700.

The fixing plate 100 may be fixed to a body (see FIG. 1) of a traveling cart or a chassis attached to the body. As shown in FIG. 4, the fixing plate 100 has a predetermined length on the front side, and has a driving roller mounting hole 110 and a driven roller mounting hole 120 processed at the lower sides of both sides, in a longitudinal direction about an intermediate portion with respect to the height direction. A plurality of mounted first running rollers 130, a second belt belt fixing hole 140 that is upper and processed on one side, a cable bear fixing hole 150 that is upper and processed on the other side, and a first belt belt fixing hole ( 160) and a fitting groove 170 may be provided.

Here, the driving roller mounting hole 110 may be mounted so that the driving roller 320 is rotatable.

In addition, the driven roller mounting hole 120 may be mounted such that the driving roller 320 and the second driven roller 350 connected by the timing belt 310 are rotatable.

In addition, the first running roller 130 is fixed to rotate on the fixed plate 100 and mounted on the first moving plate 200 to perform a rolling motion, so that the first moving plate 200 is Can be installed to move. Two or more of the first running rollers 130 may be installed at regular intervals, or a plurality of sets may be installed at regular intervals. In addition, the first running roller 130 may be installed with a height difference (H) between at least one roller and the remaining rollers. As an example, referring to FIG. 4, four are set as one, four sets are installed at regular intervals, two of four of one set may be installed high, and the other two may be installed low. Therefore, as shown in Figure 2, the two rollers installed high apart from the lower rail 230 while contacting the upper rail 220 of the first moving plate 200, and the two rollers installed low are the first moving plate 200 ) May be installed to be separated from the upper rail 220 while being in contact with the lower rail 230. For this reason, when the first moving plate 200 moves to the left or right with respect to the fixed plate 100 in FIG. 4, the two rollers installed high and the two rollers installed low rotate in opposite directions to each other, thereby first moving. Movement of the plate 200 can be ensured. The installation structure of the first running roller 130 may be the same as or similar to the installation structure of the second running roller 410 described later.

In addition, the second belt belt fixing hole 140 is a hole for fixing one end of the second belt belt 540 to the left side of the fixing plate 100, as shown in FIG. 3. The second belt-belt fixing hole 140 enables coupling with one end of the second belt belt 540 located on the inside of the fixing plate 100 and the first tension adjusting means 600 located on the outside, and 1 It can be processed into a slot shape so that the position of the tension adjustment means 600 can be moved. The connection structure between the second belt fixing hole 140 and the first tension adjusting means 600 will be described later.

In addition, the cable bear fixing hole 150 is a hole for fixing one end of the cable bear 510 to the right side of the fixing plate 100, which is the opposite side of the second belt belt fixing hole 140, as shown in FIG. 3. The cable bear fixing hole 150 is processed to have a different height from the second belt belt fixing hole 140 on the front side, and for example, it may be processed higher than the second belt belt fixing hole 140 as shown in FIG. 4. . The cable bear fixing hole 150 allows external wires to pass into the inside of the fixing plate 100, and a second tension adjusting means located at one end of the cable bear 510 located inside the fixing plate 100 and outside It can be processed into a slot shape to enable the coupling with the 700 and to enable the position of the second tension adjusting means 700 to move. The connection structure between the cable bear fixing hole 150 and the second tension adjusting means 700 will be described later. Here, the wires drawn into the inside of the fixing plate 100 are inserted into the cable bear 510 and mounted to receive protection, and power to the second power source 421 and the control means 430 of the second movable plate 400 to be described later. Can be installed to supply.

In addition, the first belt belt fixing hole 160 is a hole for fixing one end of the first belt belt 520 to the right side of the fixing plate 100 near the cable bear fixing hole 150 as shown in FIG. 3. to be. The first belt belt fixing hole 160 is located on the same line as the cable bear fixing hole 150, and as a result, the first belt belt 520 and the cable bear 510 overlap and move. It will be described later. In addition, the first belt belt fixing hole 160 enables the coupling of one end of the first belt belt 520 located inside the fixing plate 100 and the first tension adjusting means 600 located outside, The first tension adjusting means 600 may be processed into a slot shape so that the position of the first tension adjusting means 600 is possible. The connection structure between the first belt fixing hole 160 and the first tension adjusting means 600 will be described later.

In addition, the fitting groove 170 may be processed in the longitudinal direction on the upper portion of the fixing plate 100. The cable bear fixing hole 150 and the first belt belt fixing hole 160 may be processed in the fitting groove 170. That is, the gap between the fixing plate 100 and the first moving plate 200 can be prevented due to the thickened thickness as the cable bear 510 and the first belt belt 520 overlap due to the fitting groove 170. .

Meanwhile, the first moving plate 200 is a member disposed between the fixed plate 100 and the second moving plate 400 as shown in FIGS. 2, 3 and 5. As shown in FIG. 5, the first moving plate 200 includes a pair of running grooves 210 processed in the longitudinal direction at the top, rails 220 mounted on the top and bottom surfaces of the running grooves 210, and at the bottom. It may be made with the processed timing belt gear 240.

Here, the traveling groove 210 may be machined in the longitudinal direction on both sides of the upper portion having an approximately “I” shape in the width direction, that is, the side of the fixing plate 100 and the side of the second moving plate 400. The first driving roller 130 of the fixing plate 100 and the second driving roller 410 of the second moving plate 400 may be fitted and mounted in the driving groove 210, respectively.

In addition, the rail 220 is a member that contacts the first running roller 130 and/or the second running roller 410 mounted in the running groove 210 to enable the rolling movement of the running rollers. The rail 220 may have a round bar shape, an “I” shape of a railroad rail, or various shapes capable of running a roller. These rails 220 are respectively mounted on the upper and lower surfaces of the driving grooves 210 on both sides, for example, a total of four may be installed. Here, the first running roller 130 and the second running roller 410 are in contact with the upper rail 220 due to the height difference (H) of the respective rollers as shown in FIG. 4, and the remaining rollers are the lower rail. It may be installed to contact 230. This is because when all the rollers are in contact with the upper rail 220 and the lower rail 230 at the same time, the left and right movement of the first moving plate 200 is impossible. Therefore, in this structure, the first traveling roller 130 and the second traveling roller 410 are firmly mounted in the traveling groove 210, and the left and right movement of the first moving plate 200 and the second moving plate 400 is It can be a possible structure.

In addition, the timing belt gear 240 may be processed in a lower portion extending downward from an upper portion having an approximately "I" shape. At this time, the lower portion is processed by extending downward only in the middle portion excluding the portions at both ends of the upper portion, and the timing belt gear 240 may be processed in the longitudinal direction so as to mesh with the timing belt 310 on the lower surface of the lower portion. In addition, the lower portion may be processed into an approximately "b" shape on the side to widen the width of the timing belt gear 240.

In addition, the cable bear pulley 530 and the second belt-belt controller 550 installed on the upper surface of the first moving plate 200 will be described later.

Meanwhile, the driving means 300 may be installed to move the first moving plate 200 to one side or the other side. The driving means 300 is a timing belt 310, a driving roller 320, a first power source 330, a first driven roller 340 and a second driven roller, as shown in FIGS. 2, 3 and 5 It can be made with 350.

Here, the timing belt 310 is wound around the driving roller 320 and the second driven roller 350 while being meshed with the timing belt gear 240 processed under the first moving plate 200 to be installed in a caterpillar form. I can.

In addition, the driving roller 320 may be rotatably fixed to the driving roller mounting hole 110 processed under the fixing plate 100 via the driving shaft 331 as shown in FIGS. 2 and 3.

In addition, the first power source 330 may be connected to the driving roller 320 and the driving shaft 331 to rotate the driving roller 320. Accordingly, the driving roller 320 may rotate by the operation of the first power source 330.

In addition, as shown in FIG. 2, the first driven roller 340 may be located on the opposite side of the driving roller 320 and may be installed to be connected to the driving roller 320 and the driven shaft 341 as a medium. Accordingly, since the power of the driving roller 320 is transmitted to the driven shaft 341, the timing belts 310 disposed on both sides can be operated at the same time. This is a structure for operating two timing belts 310 simultaneously with one power source, and it is possible to change the design so that the timing belts 310 on both sides operate through respective power sources, and at this time, the timing belts 310 on both sides are simultaneously operated. It is natural that it must be controlled to enable operation.

In addition, the second driven roller 350 may be positioned at the rear, and mated with the driving roller 320 or the first driven roller 340 to be installed so that the timing belt 310 is wound. The second driven roller 350 may be fixed to be rotatable in the driven roller mounting hole 120 of the fixing plate 100.

On the other hand, the second moving plate 400 is disposed on one side of the first moving plate 200, as shown in FIGS. 2, 3 and 6, and the first moving plate 200 by the moving means 500 It can be moved in excess of 1 times the moving distance, and for example, it can be installed to move about 2 times more. The second moving plate 400 may include a second running roller 410, a finger means 420 and a control means 430.

First, a plurality of second running rollers 410 are installed so as to be rotatable on the inner surface of the first moving plate 200 side, and are rolled along the rail 220 while being inserted into the running groove 210 of the first moving plate 200. It can be mounted to be able to move. Since the installation position, number, and height difference H of the second driving roller 410 is the same as or similar to the first driving roller 130, the description thereof will be replaced.

Further, the finger means 420 may include a second power source 421 and a finger 422.

The second power source 421 may be mounted on the lower side of the first moving plate 200 in the second moving plate 400 and connected to the wires protected by the cable bear 510 to receive power. .

The fingers 422 may be disposed at both side ends of the second moving plate 400 to rotate axially by the second power source 421. As shown in FIG. 2, the lower part of the finger 422 is a finger detection sensor 432 in a state where the finger 422 is standing so that the finger detection sensor 432, which will be described later, can recognize the axis rotation position of the finger 422. ), and the second sensing unit 424 sensed by the finger sensing sensor 432 in the state of being in a vortex state may be protruded. At this time, there are two or more finger detection sensors 432 for detecting one finger 422, and each of the first detection unit 423 and the second detection unit 424 in a state in which the finger 422 is rotated is completed. ) Can be installed to detect each.

In addition, the control means 430 may include a cargo detection sensor 431, a finger detection sensor 432 and a substrate 433.

The cargo detection sensor 431 is a sensor for detecting whether a cargo is located between the second moving plates 400 that are disposed on both sides and extended as shown in FIG. 2. The cargo detection sensor 431 is a laser or optical sensor to detect the lower end of the cargo, and light-receiving and light-emitting sensors may be fixed to the lower portions of the second moving plates 400 on both sides, respectively. Therefore, the cargo detection sensor 431 detects whether the cargo is in a position where the cargo is gripped by the finger 422 as the first moving plate 200 and the second moving plate 400 expand and contract, and rotates the finger 422 by axis. A time point for lying down may be provided to the control means 430.

The finger detection sensor 432 is a sensor for detecting the axis rotation position of the finger 422. The finger detection sensor 432 is composed of at least two for detecting the first detection unit 423 when the finger 422 is in a standing shape, and for detecting the second detection unit 424 when the finger 422 is in a vortex shape. I can. Therefore, the finger detection sensor 432 detects the position of the finger 422 when the finger 422 is in a standing or vortex state and detects the first detection unit 423 or the second detection unit 424 Data for preventing excessive axial rotation of the finger 422 may be provided to the control means 430.

When the substrate 433 recognizes that the cargo is located between the second moving plate 400 through the cargo detection sensor 431, the second power source 421 is operated to rotate the finger detection sensor 432 in a vortex. , When the rotation of the finger 422 is completed through the finger detection sensor 432, the shaft rotation may be stopped. In addition, after the second moving plate 400 returns, the fingers 422 may be returned to the standing position. In addition, the substrate 433 may be configured to control the movement of the first and second moving plates 200 and 400 or to control the operation of the driving means 300.

Meanwhile, as shown in FIG. 3, the moving means 500 includes a cable bear 510, a first belt belt 520, a cable bear pulley 530, a second belt belt 540, and a belt belt controller 550. It can be provided.

First, the cable bear 510 supplies power to the second power source 421, the substrate 433, the finger detection sensor 432 and the cargo detection sensor 431 mounted inside the second moving plate 400. All wires including wires, etc. may be installed between the fixed plate 100 and the second moving plate 400 to protect from external interference. One end of the cable bear 510 may be fastened to and fixed with the second tension adjusting means 700 through the cable bear fixing hole 150 processed on the right side of the fixing plate 100 as shown in FIG. 3. In addition, the other end of the cable bear 510 may be wound around the cable bear pulley 530 mounted on the left side of the upper surface of the first moving plate 200 and fixed to the right side of the second moving plate 400.

In addition, the first belt belt 520 is the second moving plate 400 through a linking operation with the second belt belt 540 by the moving force of the first moving plate 200 moving in one direction by the driving means 300. ) Can be installed to be able to move the length exceeding 1, for example, about 2 times the length. The first belt belt 520 may be positioned so as to overlap one surface of the cable bear 510 on the side of the first moving plate 200. In addition, one end portion of the first belt belt 520 protrudes from the right side of the fixing plate 100 to the right than the cable bear 510 as in FIG. 3, and the first tension through the first belt belt fixing hole 160 It may be fastened and fixed with the adjustment means 600. The other end of the first belt belt 520 is wound around the cable bear pulley 530 mounted on the left side of the upper surface of the first moving plate 200 while being overlapped with the cable bear 510. It is a left portion and may be fixed to the inner surface of the first moving plate 200 side. At this time, the other end portion of the first belt belt 520 is fixed at a position higher than the fixed height of the cable bear 510 in the second moving plate 400 so that interference with the other end portion of the cable bear 510 is avoided. It may be fixed through a height member padded to protrude from the inner surface.

In addition, the cable bear pulley 530 may be installed on the left upper surface of the second moving plate 400 so that the overlapped first belt belt 520 and the cable bear 510 are wound, as shown in FIG. 3. At this time, since the arrangement height of the first belt belt 520 and the cable bear 510 is higher than the arrangement height of the second belt belt 540 on the front, the cable bear pulley 530 is higher than the belt controller 550. It is installed higher and may be installed at the same height as the first belt belt 520.

In addition, as shown in FIG. 3, the second belt belt 540 may be installed to provide a moving force of the second moving plate 400 in a direction opposite to the first belt belt 520. Accordingly, one end portion of the second belt belt 540 is located on the left side of the fixing plate 100, and may be fastened to and fixed with the first tension adjusting means 600 through the second belt fixing hole 140. The other end of the second belt 540 is wound around a belt controller 550 mounted on the right side of the upper surface of the first movable plate 200 and is the right part of the second movable plate 400 and is the first movable plate 200. ) Can be fixed on the inner side. As such, the first belt belt 520 and the cable bear 510 may overlap and be disposed in the same direction, and the second belt belt 540 may be disposed in a direction opposite to the first belt belt 520. Here, the second belt belt 540 is a second belt belt block 541, the first belt belt 520 is a first belt belt block 521, and the cable bear 510 is a cable bear block 511. It may be fixed to the fixing plate 100 or the second moving plate 400 as a medium.

In addition, as shown in FIG. 3, the belt belt controller 550 may be installed on the right upper surface of the second moving plate 400 so that the second belt belt 540 is wound. In this case, the belt belt controller 550 may be installed lower than the cable bear pulley 530. This is to make the arrangement height of the first belt belt 520 and the cable bear 510 different on the front side.

Meanwhile, the first tension adjusting means 600 is a means for adjusting the tension of the first belt belt 520 and the second belt belt 540. The first tension adjusting means 600 is the first belt belt 520 and the second belt through the first belt belt fixing hole 160 and the second belt belt fixing hole 140 as shown in FIGS. 7 and 8. Each of the belts 540 may be fastened. The first tension adjusting means 600 may be provided with a mounting member 610, a first fastening member 620, a first fixing member 630 and a tension adjusting member 640. Hereinafter, the first belt belt 520 will be described as an example.

First, the mounting member 610 is disposed on the outer surface of the fixing plate 100, the first belt located inside the fixing plate 100 through the first fastening member 620 penetrating through the first belt fixing hole 160 It can be fastened with the belt 520. In more detail, the first fastening member 620 may be fastened to the first belt belt block 521 mounted on the front end of the first belt belt 520. In addition, in the case of the second belt belt 540, the first fastening member 620 may be fastened to the second belt belt block 541 mounted on the front end of the second belt belt 540. Of course, the first fastening member 620 excludes the first belt belt block 521 or the second belt belt block 541, and is directly fastened to the first belt belt 520 or the second belt belt 540. May be. At this time, the mounting member 610 is a shape that can be fastened or contacted with the tension adjusting member 640, for example, may have a substantially "b" shape.

In addition, the first fastening member 620 may pass through the slot-shaped first belt fixing hole 160 to fix the mounting member 610 and the first belt belt 520.

In addition, the first fixing member 630 may be fixed to one side of the first belt fixing hole 160 while being an outer surface of the fixing plate 100.

In addition, the tension adjusting member 640 may be fastened through the first fixing member 630 and installed so that the tip portion may be fastened to or contacted with the mounting member 610. Therefore, the tension adjusting member 640 pushes or pulls the first belt belt 520 along the slot-shaped first belt fixing hole 160 while moving forward and backward around the first fixing member 630. The tension of the belt 520 can be adjusted.

In addition, the first tension adjusting means 600 includes only the mounting member 610 and the first fastening member 620, and fixing the mounting member 610 to the fixing plate 100 by loosening or tightening the first fastening member 620 It may be configured to adjust the tension of the first belt belt 520 and the second belt belt 540 by setting to be movable or movable.

Meanwhile, the second tension adjusting means 700 is a means for adjusting the tension of the cable bear 510. The second tension adjusting means 700 may be provided with a second fixing member 710, a second fastening member 720, and a third fastening member 730, as shown in FIG. 7.

First, the second fixing member 710 is fixed by overlapping the cable bear fixing hole 150 on the outer surface of the fixing plate 100, and one end of the cable bear 510 located inside the fixing plate 100 and the second fastening member It can be concluded through 720. The second fixing member 710 may have a slot 711 through which the second fastening member 720 passes.

In addition, the second fastening member 720 may pass through the slot 711 of the second fastening member 720 to fix the second fixing member 710 to the fixing plate 100.

In addition, the third fastening member 730 may pass through the cable bear fixing hole 150 to fasten the second fixing member 710 and the cable bear 510 . In more detail, the third fastening member 730 is It may be fastened to the cable bear block 511 mounted on the front end of the cable bear 510. Of course, the third fastening member 730 excludes the cable bear block 511 and may be directly fastened to the cable bear 510. The cable bear block 511 may be made thicker than the first belt belt block 521, which is the first belt belt 520 with respect to the fixing plate 100 as shown in FIG. 7 Because it is located close together.

Here, the second fastening member 720 may be tightened or loosened to be firmly fixed to the second fixing member 710 or installed to be movable. Therefore, by loosening the second fastening member 720, moving along the slot 711, and tightening again to securely fix the second fastening member 720 to the second fixing member 710, the tension of the cable bear 510 is increased. Can be adjusted.

In addition, the second tension adjustment means 700 may be replaced with the configuration of the first tension adjustment means 600, or the first tension adjustment means 600 may be replaced with the configuration of the second tension adjustment means 700. have.

As described above, those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, the above-described embodiments are illustrative in all respects and should be understood as non-limiting. The scope of the present invention is indicated by the claims to be described later rather than by the detailed description, and all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts should be construed as being included in the scope of the present invention. do.

100: fixed plate
110: drive roller mounting hole 120: driven roller mounting hole
130: 1st running roller 140: 2nd belt fixing hole
150: cable bear fixing hole 160: first belt belt fixing hole
170: mounting groove
200: first moving plate
210: driving home 220: upper rail
230: lower rail 240: timing belt gear
300: drive means
310: timing belt 320: driving roller
330: first power source 331: drive shaft
340: first driven roller 341: driven shaft
350: second driven roller
400: second moving plate
410: second running roller 420: finger means
421: second power source 422: finger
423: first sensing unit 424: second sensing unit
430: control means 431: cargo detection sensor
432: finger detection sensor 433: substrate
500: means of movement
510: cable bear 511: cable bear block
520: first belt belt 521: first belt belt block
530: cable bear pulley 540: second belt belt
541: second belt belt block 550: belt belt controller
600: first tension adjustment means
610: mounting member 620: first fastening member
630: first fixed material 640: tension adjusting member
700: second tension adjustment means
710: second fixed government material 711: slot.
720: second fastening member.

Claims (7)

In a telescopic fork device configured to transport cargo while extending in multiple stages,
A fixing plate 100 having a plurality of first running rollers 130 mounted in the longitudinal direction;
It is disposed on one side of the fixing plate 100, has running grooves 210 processed on both sides of the front while being processed in the longitudinal direction, and an upper rail 220 and a lower portion fixed to the upper and lower surfaces of the running grooves 210 A first moving plate 200 selectively having a rail 230;
Including; a second moving plate 400 disposed on one side of the first moving plate 200 and having a plurality of second traveling rollers 410 mounted in the longitudinal direction,
The first running roller 130 and the second running roller 410 are mounted in the running grooves 210 processed on both sides of the first moving plate 200, respectively, and some of the rollers are The upper surface or the upper rail 220 is in contact, and the rest is in contact with the lower surface of the driving groove 210 or the lower rail 230, so that the first moving plate 200 and the second moving plate 400 travel left and right. Telescopic fork device, characterized in that arranged.
In claim 1,
A timing belt 310 installed below the first moving plate 200 so as to mesh with the timing belt gear 240 processed along the length, and at least one driving roller disposed on both sides of the timing belt 310 ( 320) or a driven roller, and a driving means 300 having a first power source 330 installed to rotate the driving roller 320; further includes,
Telescopic fork apparatus, characterized in that the first moving plate 200 travels left or right by the timing belt 310 to which the first power source 330 is transmitted.
In paragraph 2,
A moving means 500 installed to adjust a moving distance of the first moving plate 200 and the second moving plate 400 with respect to the fixed plate 100; further includes,
The moving means 500,
One end is fixed to the right side of one side of the first moving plate 200 side of the fixed plate 100, and the other end is wound around the cable bear pulley 530 mounted on the upper left side of the first moving plate 200, 2 A first belt belt 520 fixed to the left side of one side of the first moving plate 200 side of the moving plate 400,
One end portion is fixed to the left side of one side of the first moving plate 200 side of the fixed plate 100, and the other end is wound around the belt-belt controller 540 mounted on the upper right side of the first moving plate 200, and then the second A second belt belt 530 fixed to the right side of one side of the first moving plate 200 side of the moving plate 400,
One part is fixed to the right side on one side of the first moving plate 200 side of the fixed plate 100, and the first belt belt 520 is disposed to overlap one side of the first moving plate 200, and the other end is A cable that is wound around the cable bear pulley 530 together with the first belt belt 520 and fixed to the left side of one side of the first moving plate 200 of the second moving plate 400, and protects the received wires from external interference. Including the bear 510,
The cable bear 510 and the first belt belt 520 are thickened due to the overlapping of the first belt 520 and selectively provided with a fitting groove 170 perforated in the fixing plate 100 to lower the protruding height,
The cable bear 510, the first belt belt 520, and the second belt belt 540 are arranged up and down, and each of the cable bear pulleys 530 and the belt belt controller 550 having different heights while facing each other. It is wound horizontally on the front, and when the first moving plate 200 moves in one direction, it moves in opposite directions,
The movement distance of the second movable plate 400 relative to the movement distance of the first movable plate 200 relative to the fixed plate 100 due to the linking operation of the first belt belt 520 and the second belt belt 540 Telescopic fork device, characterized in that inducing longer.
In paragraph 3,
The fixing plate 100 has a second belt fixing hole 140 processed in a slot shape on the upper left, and a second belt fixing hole 140 processed in a slot shape on the upper right and positioned higher or lower in the front than the second belt fixing hole 140. 1, further comprising a belt fixing hole 160,
A first tension adjusting means 600 mounted on the fixing plate 100 to adjust the tension by being fastened with one end of the first belt belt 520 or the second belt belt 540; further includes,
The first tension adjusting means 600,
A mounting member 610 disposed on an outer surface opposite to the first belt belt 520 or the second belt belt 540 located inside with the fixing plate 100 interposed therebetween,
A first fastening to connect the first belt belt 520 or the second belt belt 540 and the mounting member 610 through the first belt belt fixing hole 160 or the second belt belt fixing hole 140 Including member 620,
The first belt belt 520 or the second belt belt 540 includes a first belt belt block 521 or a second belt belt 541 mounted at a tip portion for fastening with the first fastening member 620. Optionally equipped,
As the mounting member 610 is moved and fixed along the first belt belt fixing hole 160 or the second belt belt fixing hole 140 which are long slots, the first belt belt 520 or the second belt belt 540 Telescopic fork device, characterized in that installed to adjust the tension of.
In claim 4,
The first tension adjusting means 600 includes a first fixing member 630 fixed to the fixing plate 100 in the vicinity of the mounting member 610, and the mounting member 610 through the first fixing member 630. It further includes a tension adjusting member 640 fastened to enable reciprocating movement and fixation while being combined,
Telescopic fork device, characterized in that the tension adjustment member 640 is installed to reciprocate and push or pull the mounting member 610 to adjust the tension of the first belt belt 520 or the second belt belt 540.
In paragraph 3,
The fixing plate 100 further includes a cable bear fixing hole 150 processed to the same height in the front near the first belt fixing hole 160 on the upper right side,
A second tension adjusting means 700 mounted on the fixing plate 100 to adjust the tension by being fastened with one end of the cable bear 510; further includes,
The second tension adjusting means 700,
A second fixing member 710 disposed on an outer surface opposite to the cable bear 510 located inside with the fixing plate 100 interposed therebetween, and processed with a slot 711,
A second fastening member 720 for fixing the second fixing member 170 to the fixing plate 100,
And a third fastening member 730 that penetrates the cable bear fixing hole 150 and connects the second mounting member 610 to one end of the cable bear 510,
The cable bear 510 selectively includes a cable bear block 511 mounted at a tip portion for fastening with the third fastening member 720,
Telescopic fork device, characterized in that installed to adjust the tension of the cable bear 510 by moving and fixing along the slot 711 of the second fixing member 710 while the second fastening member 720 is tightened and released.
In claim 1,
The second moving plate 400,
Finger means 420 having fingers 422 disposed at both ends and second power sources 421 respectively installed at the lower ends of both ends to rotate the fingers 422 axially,
At least two finger detection sensors 432 installed to detect the state of the finger 422 and the state of the standing person, respectively, and a cargo detection sensor installed to detect the axis rotation time of the finger 422 by detecting the position of the cargo 431 and a substrate 433 installed to control the operation of the second power source 421 in order to control the axial rotation of the finger 422 based on the measurement data of the finger detection sensor 432 and the cargo detection sensor 431 ) Further provided with a control means 430,
The finger 422 detects the state of a standing person by a first detection unit 423 protruding so as to be detected by any one finger detection sensor 432, and the state of a standing person by another finger detection sensor 432 Telescopic fork device, characterized in that it comprises a second sensing portion (424) protruding so as to be.

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