Tray clamping device

Abstract

Various embodiments of the present invention provide a pallet clamping device for clamping a pallet to a pair of forks provided to a forklift, which can include: a housing configured to the pair of forks, respectively; a locking member having at least a portion protruding outside of the housing to fix the pallet; a spring member elastically pressing the locking member toward a lateral inner side of the forks; and a releasing member pressing the spring to release the fixing of the locking member.

Description

Technical Field

[0001] This invention relates to a pallet clamping device, and more specifically, to a pallet clamping device for securing a pallet to the forks of a forklift. Background Technology

[0002] Typically, pallets are used to move goods using forklifts.

[0003] With the goods loaded on the pallet, insert the forks into the pallet's channels to lift the pallet.

[0004] However, with the forks inserted into the pallet, the pallet is supported by the weight of the pallet and the goods without any separate securing device, which may cause the pallet to detach from the forks during transportation. Summary of the Invention

[0005] Technical issues

[0006] The present invention is proposed to solve the above-mentioned problems, and its purpose is to provide a pallet clamping device for fixing pallets to the forks of a forklift.

[0007] Technical solution

[0008] Various embodiments of the present invention provide a pallet clamping device for clamping a pallet to a pair of forks of a forklift. The pallet clamping device may include: a housing disposed adjacent to the pair of forks; a locking member at least a portion of which protrudes outward from the housing to secure the pallet; a spring member that elastically presses the locking member toward the lateral inward side of the forks; and a release member that presses the spring to release the locking member from the fixation.

[0009] Preferably, the locking component may include: a pair of main boards spaced apart in the vertical direction and arranged parallel to each other; a support plate disposed at the outer end of the main boards; and a first limiter disposed at the inner end of the main boards.

[0010] Preferably, the motherboard may have guide protrusions that guide the lateral movement of the locking component.

[0011] Preferably, the release component can apply pressure in the direction of compressing the spring component via the support plate.

[0012] Preferably, the inner side of the support plate can contact the release component, and a seat ring for fixing the outer end of the spring component is provided on the outer side.

[0013] Preferably, the seat ring can be configured to be eccentrically oriented forward on the outer side of the support plate.

[0014] Preferably, the outer end of the motherboard can be configured to be eccentrically oriented rearward on the inner side of the support plate.

[0015] Preferably, the release component can be rotatably attached to the interior of the housing and rotates to apply pressure to the inner side of the support plate by being pulled rearward by a pull-on component on one side.

[0016] Preferably, the release component may include: a shaft portion rotatably coupled to the motherboard; a contact portion extending away from the shaft portion to press against the inner surface of the support plate; and a pull portion that causes the contact portion to rotate about the shaft portion by being pulled rearward by a pull component.

[0017] Preferably, the release component may include a recess that is recessed inward between the contact portion and the pull portion.

[0018] Preferably, the outer casing may have a guide slit formed to guide the lateral movement of the guide protrusion.

[0019] Preferably, a locking protrusion may be formed on the inner circumferential surface of the guide slit to contact the outer end of the guide protrusion and restrict the movement of the guide protrusion.

[0020] Preferably, the pulling component can be configured such that one end is connected to the pulling part so that the releasing component can be rotated by the operator's operation.

[0021] Preferably, the pallet clamping device may include a bracket that allows the housing to be movably coupled laterally to a carriage disposed in front of the forklift.

[0022] Preferably, the support may have a movable slit extending laterally, and the housing is connected to the carriage through the movable slit.

[0023] The effects of the invention

[0024] The pallet clamping device of various embodiments of the present invention can secure the pallet to the forks during operation to prevent safety accidents.

[0025] In addition, the pallet can be prevented from being forcibly detached by external force through the first limiter and the locking boss structure. Attached Figure Description

[0026] Figure 1 This is a diagram of a forklift employing a pallet clamping device according to various embodiments of the present invention.

[0027] Figure 2This is a perspective view of a pallet secured to forks by a pallet clamping device according to various embodiments of the present invention.

[0028] Figure 3 This is a perspective view showing the state in which the pillars of a pallet are secured by a pallet clamping device according to various embodiments of the present invention.

[0029] Figure 4 This is shown as an observation from above. Figure 3 A top view of the state.

[0030] Figure 5(a) is a top view showing the position of the locking component in a state where the pallet is secured by the pallet clamping device of various embodiments of the present invention.

[0031] Figure 5(b) is a top view showing the position of the locking component when the pallet clamping device of various embodiments of the present invention is released from the state of fixing the pallet.

[0032] Figure 6 This is a perspective view showing the combination relationship of each constituent element in the internal space of the housing of the pallet clamping device according to various embodiments of the present invention.

[0033] Figure 7 This is a top view showing the locking boss of the guide slit according to an embodiment of the present invention.

[0034] Figure 8 This is a top view showing the operational state of the pallet clamping device used to release the locking component of various embodiments of the present invention from being fixed by external force.

[0035] Figure 9 Yes Figure 8 An enlarged view of the operation state of the release component under the specified conditions.

[0036] Figure 10 This is a diagram illustrating the assembly structure of a pallet clamping device according to an embodiment of the present invention.

[0037] Figure 11 It is magnification Figure 10 The diagram shows the combined structure of the outer shell on the right side.

[0038] Symbol Explanation

[0039] 1: Car body, 4: Mast, 6: Carriage, 8: Support plate, 10: Forks, 50: Pallet, 51a: Upper plate, 51b: Lower plate, 55: Column, 57: Channel, 100: Pallet clamping device, 110: Housing, 111: First inclined section, 112: Upper surface, 113: Lower surface, 115: Inner surface, 117: Locking hole, 118: Guide slit, 118a: Locking boss, 119: Outer side Surface, 120: locking component, 121: second inclined part, 122: main board, 123: guide protrusion, 125: support plate, 128: first limiter, 140: spring component, 145: seat ring, 160: release component, 161: shaft part, 163: contact part, 166: pulling part, 168: recess, 180: pulling component, 190: bracket, 193: moving slit, 197: fixing bolt. Detailed Implementation

[0040] In the following description, for ease of description, some embodiments of the present invention will be described with reference to exemplary drawings. When referring to the constituent elements of the drawings, the same constituent elements will be referred to by the same reference numerals as much as possible, even if they are shown in different drawings.

[0041] The terms or words used in this specification and claims should not be limited to their ordinary or dictionary meanings, but should be interpreted as meanings and concepts consistent with the technical idea of ​​the invention, based on the principle that the inventor can appropriately define the concepts of the terms in order to best describe their invention. Furthermore, in the description of the constituent elements of embodiments of the invention, terms such as first, second, A, B, (a), (b), etc., may be used. Such terms are only used to distinguish one constituent element from another, and the nature, order, or sequence of the constituent elements are not limited by the term. When it is stated that one constituent element is "connected" or "combined" with another constituent element, it should be understood that the constituent element can be directly connected or combined with the other constituent element, but it is also possible that there is another constituent element "connected" or "combined" between the constituent element and the other constituent element.

[0042] Therefore, it should be understood that the embodiments described in this specification and the configurations shown in the figures are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Consequently, at the time of this application, there may be various equivalents and modifications that can replace these embodiments. Furthermore, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the spirit of the present invention are omitted.

[0043] In the following text, the direction in which the forks 10 are positioned on the body 1 of the forklift may be described as front, and the opposite direction as rear.

[0044] In the following text, the direction in which the forks 10 extend may be described as the length direction or the front-to-back direction, and the direction perpendicular to it may be described as the lateral direction or the left-to-right direction. In addition, the direction in which a pair of forks 10 face each other may be described as inside, and the opposite direction may be described as outside.

[0045] The pallet clamping device 100 of various embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0046] Figure 1 This is a diagram of a forklift employing a pallet clamping device 100 according to various embodiments of the present invention. Figure 2 This is a perspective view of a pallet secured to a fork 10 by a pallet clamping device 100 according to various embodiments of the present invention. Figure 3 This is a perspective view showing the state in which the column portion 55 of the pallet 50 is fixed by the pallet clamping device 100 according to various embodiments of the present invention. Figure 4 This is shown as an observation from above. Figure 3 Figure 5(a) is a top view showing the position of the locking member 120 when the pallet 50 is fixed by the pallet clamping device 100 of various embodiments of the present invention, and Figure 5(b) is a top view showing the position of the locking member 120 when the pallet clamping device 100 of various embodiments of the present invention is released from fixing the pallet 50. Figure 6 This is a perspective view showing the combination relationship of the various constituent elements in the internal space of the housing 110 of the pallet clamping device 100 in various embodiments of the present invention. Figure 7 This is a top view showing the locking boss 118a of the guide slit 118 according to an embodiment of the present invention. Figure 8 This is a top view showing the operational state of the pallet clamping device 100 of various embodiments of the present invention, in which the locking member 120 is fixed by an external force. Figure 9 Yes Figure 8 An enlarged view of the operation state of the release component 160 in the specified state. Figure 10 This is a diagram illustrating the assembly structure of a pallet clamping device according to an embodiment of the present invention. Figure 11 It is magnification Figure 10 The diagram shows the combined structure of the outer shell on the right side. (See figure.) Figure 1 As shown, forklifts are used to lift or transport heavy goods, such as... Figure 1 The vehicle shown has a body 1, and a mast 4 is provided at the front of the body 1. The mast 4 has a mast rail and a carriage 6 that can be raised and lowered along the mast rail, and a pair of forks 10 for lifting actual goods are mounted on the carriage 6 in an adjustable manner.

[0047] Reference Figure 2The pallet 50, which is loaded with goods, has a structure with channels 57 through which forks 10 can be inserted. Posts 55, formed vertically between the upper plate 51a and lower plate 51b of the pallet 50, can be arranged between the channels 57. With the forks 10 inserted into the channels 57, the forks 10 can be controlled to lift the pallet 50. However, since there is no structure in the forks 10 to secure the pallet 50, there is a problem that the pallet 50 may detach from the forks 10 during operation.

[0048] Reference Figures 3 to 9 The pallet clamping device 100 of various embodiments of the present invention is disposed on the forks 10 of a forklift and is used to fix the pallet to the forks 10 to prevent the pallet 50 from falling off during operation. The pallet clamping device 100 may include a housing 110, a locking component 120, a spring component 140, a releasing component 160, and a pulling component 180.

[0049] In one embodiment, the housing 110 may be configured adjacent to a pair of forks 10. The housing 110 may be configured in each fork 10 to be adjacent to each other's facing inner surfaces. That is, the housings 110 may be configured as a pair facing each other between the pair of forks 10. A certain space may be formed inside the housing 110. A spring member 140 may be disposed within the internal space of the housing 110, and at least a portion of the locking member 120 and the releasing member 160 may be accommodated. When the pair of forks 10 are inserted into the channel 57 of the pallet 50, the post 55 of the pallet 50 will be located between the pair of housings 110.

[0050] In one embodiment, the housing 110 can be attached to the carriage 6 via a bracket 190. The housing 110 can be attached to the carriage 6 in a manner that allows it to move laterally via the bracket 190. A laterally extending movable slit 193 can be formed on the bracket 190, through which the housing 110 is bolted to the carriage 6 using a fixing bolt 197, thereby allowing it to be attached in a manner that allows it to move laterally relative to the carriage 6. In this invention, by allowing the housing 110 to be movably attached to the carriage 6 via the bracket 190, the spacing between a pair of housings 110 can be adjusted in a manner corresponding to the spacing of the pillars 55 of the tray 50.

[0051] In one embodiment, a vertically oriented support plate 8 is formed on the carriage 6, and the rear end of the outer surface 119 of the housing 110 can be coupled to the inner or outer surface of such support plate 8. For example, when the housing 110 is moving laterally inward along the moving slit 193, as... Figure 8 The rear end of the outer side 119 of the outer casing 110 shown on the left can be attached to the inner side of the support plate 8. Alternatively, when the outer casing 110 is moved laterally outward along the moving slit 193, as shown... Figure 8 The rear end of the outer side 119 of the housing 110 shown on the right can be attached to the outer side of the support plate 8. That is, in one embodiment, a pair of housings 110 are fixed to the carriage 6 instead of the forks 10, so that they can be configured at a spacing different from the spacing between the pair of forks 10.

[0052] A first inclined portion 111 may be formed on the front surface of the housing 110, which guides the post 55 of the pallet 50 so that it can be easily accommodated between a pair of housings 110. The first inclined portion 111 may be formed to slope inward and rearward from the inner side of the fork 10. At least a portion of the outer side of the housing 110 may be coupled to the inner side of the fork 10, and the inner side 115 of the housing 110 may be formed to face the outer peripheral surface of the post 55 of the pallet 50.

[0053] A locking hole 117 can be formed on one side of the inner surface 115 of the housing 110, through which the locking member 120 passes. The locking member 120 can protrude from the housing 110 through the locking hole 117. In one embodiment, the locking hole 117 can be formed in the inner surface 115 of the housing 110 at a position adjacent to the inclined portion of the aforementioned front surface.

[0054] A guide slit 118 for guiding the lateral movement of the locking member 120 can be formed on the upper surface 112 of the housing 110. The guide slit 118 can be formed in the upper surface 112 of the housing 110 at a position corresponding to the locking hole 117. The guide slit 118 can be formed to penetrate the upper surface 112 of the housing 110 in the vertical direction and extend a predetermined length in the lateral direction. A guide protrusion 123 formed on the locking member 120 can be accommodated in the guide slit 118, and by moving the guide protrusion 123 along the guide slit 118, the locking member 120 can be moved laterally inward or outward. In one embodiment, the front-to-back width of the guide slit 118 can be formed to be greater than or equal to the front-to-back width of the guide protrusion 123. Although described herein as the guide slit 118 being formed on the upper surface 112 of the housing 110, it can also be formed on the lower surface 113, or the guide slit 118 can be formed on both the upper surface 112 and the lower surface 113.

[0055] In one embodiment, at least one rearwardly recessed locking protrusion 118a may be formed on the inner peripheral surface of the guide slit 118. The outer end of the guide protrusion 123 may be disposed on the locking protrusion 118a. Here, the locking protrusion 118a formed in the guide slit 118 may also be described as a second limiter. By placing the outer end of the guide protrusion 123 on the locking protrusion 118a, the movement of the guide protrusion 123 can be restricted.

[0056] More specifically, during operation, when the pallet 50 is secured to the forks 10 by the locking member 120 via the pillar 55, an external force may be applied in a manner that could cause the pallet 50 to detach. With such an external force, the inner end of the locking member 120 moves forward and the outer end moves backward, causing the locking member 120 to rotate. During this process, the locking member 120 is forcibly pushed laterally outward, which could potentially lead to the pallet 50 detaching.

[0057] However, in one embodiment of the present invention, even if the locking member 120 is pushed due to rotation caused by an unintentional external force, the outer end of the locking member 12 can be placed on the locking boss 118a of the guide slit 118, thereby limiting the rotation of the locking member 120 caused by the external force and / or the lateral retraction of the locking member 120.

[0058] In this invention, to prevent the tray 50 from detaching, the position of the spring and the structure of the limiter are proposed together with the structure of the locking boss 118a described above. The specific operating mechanism for preventing the tray 50 from detaching using the locking boss 118a, the spring, and the first limiter 128 will be described later.

[0059] In various embodiments of the present invention, the locking member 120 is used to protrude inward toward the inside of the housing 110 and lock onto the pillar 55 when the pillar 55 of the tray 50 is inserted between a pair of housings 110, thereby fixing the pillar 55 to prevent it from disengaging.

[0060] Reference Figure 2 The locking member 120 can be configured to move laterally inward or outward while at least a portion is housed within the housing 110. Specifically, the locking member 120 may include: a pair of main boards 122 spaced apart in the vertical direction and arranged parallel to each other; a support plate 125 disposed at the outer end of the main boards 122; and a first limiter 128 disposed at the inner end of the main boards 122.

[0061] A guide protrusion 123 may be formed on the main board 122. The guide protrusion 123 can be inserted into the guide slit 118 of the housing 110 to guide the lateral movement of the locking member 120. A second inclined portion 121 may be formed on the inner end of the main board 122. The second inclined portion 121 may be formed in a manner that is continuous with the first inclined portion 111 of the housing 110 and tends to be inclined inward and rearward.

[0062] The first limiter 128 can be configured between a pair of main plates 122 along such a second inclined portion 121. The first limiter 128, as described above, is used to limit the rotation of the locking member 120 when it rotates due to an external force. The front end of the first limiter 128 is in contact with the first inclined portion 111 formed on the front surface of the housing 110, thereby limiting the rotation of the locking member 120. Furthermore, when the first limiter 128 is in contact with the locking hole 117 of the housing 110, as described above, the guide protrusion 123 can be in a state where it is locked in the locking boss 118a of the guide slit 118, and the locking member 120 no longer rotates and / or is pushed laterally by the first limiter 128 and the locking boss 118a.

[0063] The support plate 125 can be vertically disposed on the outer end of the main plate 122 in the vertical direction. The inner surface 115 of the support plate 125 can contact the release member 160 and be pressed by the release member 160, while the outer surface can be elastically supported by the spring member 140. The support plate 125 can be elastically pressed inward by the spring member 140. A retaining ring 145 for fixing the inner end of the spring member 140 can be disposed on the outer surface of the support plate 125.

[0064] The seat ring 145 can be configured to be forward-eccentric in the outer surface of the support plate 125. The seat ring 145 is configured to be offset towards the front end side in the outer surface of the support plate 125. Furthermore, the outer end of the main plate 122 can be configured to be rearward-eccentric in the inner surface 115 of the support plate. The outer end of the main plate 122 is configured to be offset towards the rear end side in the inner surface 115 of the support plate 125. This configuration of the seat ring 145 and the main plate 122 relative to the support plate 125 is used to prevent the locking member 120 from rotating due to external forces causing the pillar 55 of the tray 50 to disengage.

[0065] Reference Figure 3 The spring component 140 can be disposed inside the housing 110 and elastically presses outward to support the locking component 120. In one embodiment, the spring component 140 can be a helical spring. One end of the spring component 140 can be fixed to the housing 110, and the other end can be coupled to the support plate 125 of the locking component 120 via a seat ring 145. When the operator rotates the release component 160 by operating the pulling component 180, the spring component 140 can be compressed. When the spring component 140 is compressed, the locking component 120 can move laterally outward and be received inside the housing 110, and the fixation of the tray 50 can be released.

[0066] Reference Figure 3 The release component 160 is used to counteract the elastic force of the spring component 140 to move the locking component 120 in an outward direction, and it can be configured to apply pressure in the direction of compressing the spring component 140.

[0067] Reference Figures 4 to 9 In various embodiments of the present invention, the release member 160 can be configured to be rotatably coupled to the interior of the housing 110 and to pressurize the inner side 115 of the support plate 125 by pulling the one-sided pull member 180 rearward.

[0068] Specifically, the release component 160 may include a shaft portion 161 rotatably coupled to the main board 122, a contact portion 163 extending away from the shaft portion 161 to press against the inner surface 115 of the support plate 125, and a pulling portion 166 that rotates the contact portion 163 about the shaft portion 161 by being pulled rearward by the pulling component 180. It should be noted that although the shaft portion 161, the contact portion 163, and the pulling portion 166 are described separately here, this is a conceptual distinction between the various regions of the integrally formed release component 160, and these components are not physically separate.

[0069] In one embodiment, the release component 160 can be as follows: Figure 3 The land is set in a roughly triangular shape, but is not limited to this.

[0070] In one embodiment, an inwardly recessed recess 168 may be formed between the contact portion 163 and the pulling portion 166 of the release member 160. The recess 168 is a structure for releasing the fixed state by applying pressure to the rear end of the support plate 125 through the operator's operation when the guide protrusion 123 is fixed in the locking boss 118a of the guide slit 118.

[0071] The pulling member 180 can be configured to connect a pedal disposed inside the cab and a pulling part 166 of the release member 160. One end of the pulling member 180 can be connected to the pulling part 166, and the other end can be connected to the pedal. When the operator operates the pedal, the pulling part 166 of the release member 160 connected to the pulling member 180 is pulled rearward, and the release member 160 rotates about the shaft 161.

[0072] The following describes various methods for securing or releasing the pallet 50 using the pallet clamping device 100 according to different embodiments of the present invention.

[0073] First, when the operator operates the pedal to pull the pulling member 180, causing the locking member 120 to move laterally outward by the rotation of the release member 160 and be housed inside the housing 110, the pillar 55 of the pallet 50 is located between the two housings 110 when the pair of forks 10 enter the passage 57 between the pallet 50 to the bottom.

[0074] When the operator operates the pedal again to release the pull of the pulling member 180, the locking member 120 moves laterally inward by the elastic force of the spring member 140, causing the inner end of the locking member 120 to protrude outward toward the housing 110. At this time, with the pillar 55 of the pallet 50 located between the pair of housings 110, the locking member 120 protrudes outward toward the housings 110 and therefore cannot disengage from between the housings 110 again, thereby securing the pallet 50 to the forks 10.

[0075] It should be noted that even if the operator does not operate the pedal, when an external force is applied in the direction of disengagement of the tray 50 during operation, i.e., forward, the locking member 120 can move laterally outward during forced rotation. In this case, as described above, the rotation of the locking member 120 is restricted by the first limiter 128 of the locking member 120, and the movement laterally outward of the locking member 120 is restricted by the structure of the locking boss 118a of the guide slit 118, thereby preventing forced release of the fixed state due to the external force acting on the tray 50.

[0076] Furthermore, when the guide protrusion 123 is fixed to the locking boss 118a of the guide slit 118 while the locking member 120 is rotating due to such an external force, if the operator operates the pedal to pull the pulling member 180, the rear end of the support plate 125 is pressed due to the recess 168 of the release member 160, thereby releasing it from the state.

[0077] When the work is completed and the operator pulls the pulling component 180 again by operating the pedal to release the fixed state of the pallet 50, the releasing component 160 rotates, thereby applying pressure to the support plate 125 in the direction of the compression spring component 140. When the support plate 125 is pressed laterally outward, the locking component 120 is accommodated inside the housing 110, and the fixed state of the column portion 55 of the pallet 50 can be released.

[0078] The fact that all the constituent elements described above as constituting embodiments of the invention operate in combination with one or more does not mean that the invention is necessarily limited to these embodiments. That is, all constituent elements may operate by selective combination of more than one without departing from the scope of the invention. Furthermore, unless otherwise stated, the terms "comprising," "constituting," or "having" used above mean that the constituent element may be included, and should therefore be interpreted as including other constituent elements rather than excluding them. Unless otherwise defined, all terms, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. Terms of common use, as defined in dictionaries, should be interpreted as having the meaning consistent with the context of the relevant art, and are not to be interpreted as having an ideal or overly formal meaning unless clearly defined in this invention.

[0079] The above description is merely an exemplary illustration of the technical concept of the present invention. Those skilled in the art can make various modifications and variations without departing from the essential characteristics of the invention. Therefore, the embodiments disclosed in this invention are used to illustrate the technical concept of the invention, not to limit it, and the scope of the technical concept of the invention is not limited by these embodiments. The scope of protection of this invention should be interpreted by the following claims, and all technical concepts within the equivalent scope should be interpreted as falling within the scope of the claims of this invention.

Claims

1. A pallet clamping device for clamping a pallet to a pair of forks mounted on a forklift, the pallet clamping device being characterized in that it comprises: The housing is disposed adjacent to the pair of forks respectively; A locking component, at least a portion of which protrudes outward from the housing to secure the tray; A spring component that elastically presses the locking component toward the lateral inward side of the forks; The release component applies pressure to the spring to release the locking component from its fixation. The locking component includes: A pair of motherboards, which are spaced apart vertically and arranged parallel to each other; A support plate is disposed at the outer end of the main board; A first limiter is disposed on the inner end of the main board; and A guide protrusion, at least a portion of which is inserted into a guide slit formed in the housing and on the main board, guides lateral movement of the locking member. The inner side of the support plate contacts the release component, and a seat ring for fixing the outer end of the spring component is arranged on the outer side.

2. The pallet clamping device according to claim 1, characterized in that, The release component applies pressure in the direction of compressing the spring component via the support plate.

3. The pallet clamping device according to claim 2, characterized in that, The seat ring is configured to be eccentrically oriented forward on the outer side of the support plate.

4. The pallet clamping device according to claim 1, characterized in that, The outer end of the motherboard is configured to be eccentrically oriented rearward on the inner side of the support plate.

5. The pallet clamping device according to claim 1, characterized in that, The release component is rotatably attached to the interior of the housing and rotates to apply pressure to the inner side of the support plate by being pulled rearward by a component on one side.

6. The pallet clamping device according to claim 5, characterized in that, The release component includes: A shaft portion that is rotatably coupled to the mainboard; A contact portion, extending away from the shaft portion, applies pressure to the inner surface of the support plate; and The pulling part causes the contact part to rotate about the shaft part by pulling the pulled part backward.

7. The pallet clamping device according to claim 6, characterized in that, The release component includes a recess that is recessed inward between the contact portion and the pull portion.

8. The pallet clamping device according to claim 1, characterized in that, The inner circumferential surface of the guide slit has a locking protrusion that contacts the outer end of the guide protrusion to restrict the movement of the guide protrusion.

9. The pallet clamping device according to claim 6, characterized in that, The pulling component is configured such that one end is connected to the pulling part so that the releasing component can be rotated by the operator's operation.

10. The pallet clamping device according to claim 1, characterized in that, Includes a bracket that allows the housing to be movably coupled to a carriage positioned in front of the forklift in a lateral manner.

11. The pallet clamping device according to claim 10, characterized in that, The support has a movable slit that extends laterally. The outer casing is attached to the carriage via the movable slit.

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