Forklift with protective structure

Abstract

The forklift with the protection structure comprises a forklift body, the forklift body is provided with a front door frame, side plate assemblies are arranged on the two sides of the front door frame, baffle components in the side plate assemblies are installed on bearing bases, the bearing bases can move along sliding grooves formed in supports, and the front door frame is provided with two sets of oppositely-distributed fork plate pieces; moving grooves are formed in the two sides of the fork plate part, blocking parts are movably arranged on the moving grooves, annular protrusions arranged on the sliding bases are sleeved with limiting plates in the blocking parts, and when goods are loaded on the fork plate part, the bearing bases drive the baffle parts to move along the sliding grooves, so that the baffle parts abut against the side edges of the goods. Therefore, the two baffle components can protect and clamp the two sides of the goods, limiting plates in the blocking components can move to the positions of the goods in cooperation with sliding bases and rotate under cooperation of annular protrusions, the limiting plates abut against the goods, and therefore the goods are further clamped and protected.

Description

TECHNICAL FIELD

[0001] The application relates to a fork truck with a protection structure. BACKGROUND

[0002] The fork truck is an industrial handling vehicle, which is mainly used for loading and unloading, stacking and short-distance transporting of piece pallet goods. However, when the existing fork truck carries goods, especially when the fork truck encounters bumps, brakes or accelerates during driving, the goods are prone to slide off the forks or collide with each other, and are damaged due to external force, thereby increasing the risk of goods loss and damaging other important equipment or facilities, and there is a certain safety hazard. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned problems and provides a fork truck with a protection structure.

[0004] The technical scheme of the application is implemented as follows:

[0005] The application provides a fork truck with a protection structure, which comprises a vehicle body, the vehicle body is provided with a front portal, and side plate assemblies are arranged on both sides of the front portal; the side plate assembly comprises a support, a bearing seat and a baffle part; one end of the support is arranged on the front portal, the support is provided with a sliding groove, the bearing seat is movably arranged on the sliding groove and connected with the baffle part, and a side edge protection area is formed between the two baffle parts; the side edge protection area is expanded or reduced by moving the bearing seat.

[0006] A sleeve is arranged on the bearing seat, the baffle part comprises a shaft rod, the shaft rod is sleeved in the sleeve, and support plates are arranged at both ends of the shaft rod; a plurality of interval distribution partition plates are arranged between the two support plates; the range angle of the side edge protection area is expanded or reduced by cooperation of the shaft rod and the sleeve.

[0007] The front portal is provided with two groups of oppositely distributed fork plates, the two sides of the fork plate are provided with moving grooves, and blocking parts are movably arranged on the moving grooves; the blocking part comprises a sliding seat, the sliding seat is movably arranged in the moving groove, one side of the sliding seat is provided with an annular protrusion, a limiting plate is installed on the annular protrusion, the limiting plate is provided with an annular groove, and the limiting plate has a rotation degree of freedom with the annular protrusion as the center by cooperation of the annular groove and the annular protrusion.

[0008] When the limiting plate rotates, the limiting plate is parallel or perpendicular to the fork plate.

[0009] In an embodiment, a cross rod is arranged on the front portal, the cross rod is provided with a containing groove, and a clamping plate part is movably installed in the containing groove; the clamping plate part comprises a mounting seat, and the mounting seat is movably arranged in the containing groove.

[0010] The side away from the vehicle body of the mounting seat is provided with a support rod, the support rod has a cavity, and the cavity movably has an extension rod, and the part of the extension rod outside the support rod is connected with a backing plate;

[0011] The backing plate and the front door frame form a limiting area;

[0012] The limiting area is expanded or reduced through the movement of the support rod in the cavity.

[0013] In an embodiment, the top of the support is provided with mounting holes, and the mounting holes are arranged in a plurality of groups and are distributed along the length direction of the support;

[0014] The bearing seat has a top plate above the support, the top plate is provided with a through hole, the hole diameter of the through hole is the same as that of the mounting hole, and the through hole and the mounting hole are connected with a bolt when the through hole is aligned with one of the mounting holes through the movement of the bearing seat.

[0015] In an embodiment, the vehicle body has a roof rack, and the roof rack has a plurality of spaced hollow parts;

[0016] The two sides of the roof rack are provided with grooves, and the grooves are provided with end plate components, the end plate components include support plates and movable plates, the support plates move in the grooves, and the movable plates are hinged to the support plates;

[0017] An included angle is formed between the movable plate and the support plate bracket through the rotation of the movable plate, and the movable plate covers the hollow part when the movable plate is perpendicular to the movable plate.

[0018] In an embodiment, the two sides of the sliding groove are provided with grooves, and the grooves are provided with a plurality of spaced roller components, the roller components include rod bodies and pulleys, the two ends of the rod bodies are connected with the grooves, and the pulleys are sleeved on the rod bodies;

[0019] When the bearing seat is located in the sliding groove, the end face of the bearing seat abuts against the outer periphery of the pulley.

[0020] In an embodiment, the sleeve is provided with a plurality of limiting holes arranged at intervals along the circumferential direction of the sleeve, and the shaft rod is provided with an opening at a position corresponding to the limiting hole;

[0021] The hole diameters of the limiting hole and the opening are the same, and the limiting hole and the opening are connected with a pin shaft when one of the limiting holes is aligned with the opening.

[0022] In an embodiment, the support plate is provided with a plurality of spaced notches, the notches are connected with first elastic members, and the other ends of the first elastic members are connected with pads.

[0023] In an embodiment, the cavity is provided with a second elastic member, one end of the second elastic member is connected with the inner wall of the cavity, and the other end of the second elastic member is connected with the extension rod.

[0024] In one embodiment, the movable plate is provided with convex plates on both sides, and the convex plates are provided with eyelets.

[0025] The advantages or beneficial effects of the above technical solutions at least include:

[0026] The forklift with the protection structure provided in the application is characterized in that side plate assemblies are arranged on both sides of the front door frame, and blocking components are arranged on the fork plate. When the fork plate is loaded with goods, the baffle components in the side plate assemblies move along the sliding grooves under the cooperation of the bearing seats. Since the baffle components are provided with two groups, the two groups of baffle components can protect and limit the goods when they abut against the two sides of the goods, respectively. The limiting plates in the blocking components move along the moving grooves to the position of the goods under the cooperation of the sliding seats, and the limiting plates rotate under the cooperation of the annular protrusions, so that the limiting plates abut against the goods. Since the limiting plates and the baffle components are vertically distributed, the two sides and the front end of the goods can be limited and supported through the cooperation of the limiting plates and the baffle components, so that the protection of the goods is completed, and the situation that the goods fall during the loading and moving of the traditional forklift is avoided, thereby solving the problem of poor protection of the goods by the forklift. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings illustrate exemplary embodiments of the present application and together with the general description of the application given above and the detailed description of the embodiments below, serve to explain the principles of the present application. These drawings are included herewith and constitute a part of this specification.

[0028] Figure 1 A structural schematic view of one perspective of the forklift according to the embodiment of the present application is shown;

[0029] Figure 2 A structural schematic view of the support according to the embodiment of the present application is shown;

[0030] Figure 3 A structural schematic view of the baffle component according to the embodiment of the present application is shown;

[0031] Figure 4 A structural schematic view of one perspective of the forklift according to the embodiment of the present application is shown;

[0032] Figure 5 A structural schematic view of one perspective of the forklift according to the embodiment of the present application is shown;

[0033] Figure 6 A structural schematic view of one perspective of the forklift according to the embodiment of the present application is shown;

[0034] Figure 7 A structural schematic view of one perspective of the forklift according to the embodiment of the present application is shown; Figure 1 An enlarged schematic view of position A in the above-mentioned embodiment of the present application is shown.

[0035] Figure 8 The embodiment of the present application is shown Figure 1 Amplified schematic view at B in the embodiment of the present application

[0036] Reference signs: 1, vehicle body; 11, front door frame; 111, horizontal rod; 1111, accommodating groove; 12, fork plate; 121, moving groove; 13, roof guard; 131, hollow part; 132, slotted groove;

[0037] 2, side plate assembly; 21, support; 211, sliding groove; 2111, groove; 212, mounting hole; 22, bearing seat; 221, sleeve; 2211, limiting hole; 222, top plate; 2221, through hole; 23, baffle component; 231, shaft rod; 2311, opening; 232, support plate; 2321, notch; 2322, first elastic member; 2323, cushion block; 233, partition plate;

[0038] 3, blocking component; 31, sliding seat; 311, annular protrusion; 32, limiting plate;

[0039] 4, clamping plate component; 41, mounting seat; 42, support rod; 421, cavity; 4211, second elastic member; 43, extension rod; 44, cushion plate;

[0040] 5, end plate component; 51, support plate; 52, movable plate; 521, protruding plate;

[0041] 6, roller component; 61, rod body; 62, pulley. DETAILED DESCRIPTION

[0042] Embodiments of the present application will be described in more detail by referring to the attached drawings. Although certain embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided so as to more completely and thoroughly understand the present application. It is to be understood that the drawings and embodiments of the present application are for exemplary purposes only and are not intended to limit the scope of protection of the present application.

[0043] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0044] It should be understood that the term "include" and its conjugations, as used herein, are open-ended terms that specify the presence of something and do not exclude the presence of additional something. The term "based on" is intended to mean "based, at least in part, on" unless explicitly specified otherwise. The term "one embodiment" is intended to mean "at least one embodiment" and is not intended to limit the number of embodiments. The term "another embodiment" is intended to mean "at least one additional embodiment" and is not intended to exclude other embodiments. The term "some embodiments" is intended to mean "at least some embodiments". Relative terms such as "first", "second", etc. are intended to mean "at least one", and are not intended to limit the number of such items. Other terms are to be construed in context and not airtight.

[0045] It should be noted that the terms "one", "a", "an", etc. as used herein are intended to mean "at least one" or "one or more", unless expressly specified otherwise. The singular terms are also intended to include the plural terms unless the context clearly indicates otherwise.

[0046] The names of the messages or information exchanged between the devices in the embodiments of the present application are used only for illustrative purposes, and are not intended to limit the scope of the messages or information.

[0047] Reference Figures 1-6 A forklift with a protection structure, comprising a vehicle body 1, the vehicle body 1 has a front door frame 11, both sides of the front door frame 11 are provided with a side plate assembly 2, the side plate assembly 2 comprises a support 21, a bearing seat 22 and a baffle part 23, one end of the support 21 is arranged on the front door frame 11, the support 21 has a sliding groove 211, the bearing seat 22 is movably arranged on the sliding groove 211 and connected with the baffle part 23, the baffle part 23 is used for directly contacting with goods, a side edge protection area is formed between two groups of baffle parts 23, the side edge protection area is expanded or reduced by moving the bearing seat 22, the baffle part 23 also moves relatively when the bearing seat 22 moves;

[0048] The bearing seat 22 is provided with a sleeve 221, the baffle part 23 comprises a shaft 231, the shaft 231 is sleeved in the sleeve 221, both ends of the shaft 231 are provided with a support plate 232, a plurality of interval distributed partition plates 233 are connected between the two support plates 232, the range angle of the side edge protection area is expanded or reduced by cooperation of the shaft 231 and the sleeve 221, the change of the angle can make the baffle part 23 suitable for part of irregular shaped goods, thereby improving the use flexibility of the baffle part 23;

[0049] The front door frame 11 has two groups of oppositely distributed fork plate members 12, the two sides of the fork plate member 12 are provided with a moving groove 121, the moving groove 121 movably provided with a blocking component 3, the blocking component 3 includes a sliding seat 31, the sliding seat 31 is movably arranged in the moving groove 121, one side of the sliding seat 31 is provided with a ring-shaped protrusion 311, a limiting plate 32 is installed on the ring-shaped protrusion 311, the limiting plate 32 has a ring-shaped groove, through the cooperation of the ring-shaped groove and the ring-shaped protrusion 311, the limiting plate 32 has a rotation freedom degree with the ring-shaped protrusion 311 as the center, the blocking component 3 can block the front section of the goods, and through the cooperation of the ring-shaped protrusion 311 and the ring-shaped groove, the limiting plate 32 can be rotated to make the limiting plate 32 parallel to the fork plate member 12, so as to avoid the blocking of the limiting plate 32 to the goods during loading.

[0050] When the limiting plate 32 rotates, the limiting plate 32 is parallel or perpendicular to the fork plate member 12, so as to adjust the angle of the limiting plate 32 according to the actual situation.

[0051] Based on the above structure, when the fork plate member 12 loads the goods, the bearing seat 22 located on the sliding groove 211 is moved to drive the baffle component 23 to be opposite, so that the partition plate 233 in the baffle component 23 abuts against the side edge of the goods, and when the baffle components 23 on both sides abut against the goods, the side edge of the goods can be limited, so as to reduce the deviation of the goods when the forklift moves and rotates left and right after loading the goods, and because the fork plate member 12 is provided with the blocking component 3, the sliding seat 31 moves on the moving groove 121 to drive the limiting plate 32 to move to one side of the goods, and through the rotation of the limiting plate 32, one side of the limiting plate 32 abuts against one end of the goods, and because the limiting plate 32 is perpendicular to the baffle component 23, the limiting plate 32 can limit the other end of the goods, so that the goods are located between the clamping plate component 4 and the baffle component 23, thereby completing the fixed limiting protection of the goods, solving the problem of goods falling or damage caused by movement during loading, and improving the safety during loading and moving.

[0052] In one embodiment, referring to Figure 1 , Figure 5 and Figure 6 , the front door frame 11 is provided with a cross bar 111, the cross bar 111 has a containing groove 1111, and the clamping plate component 4 is movably installed in the containing groove 1111, the clamping plate component 4 includes a mounting seat 41, and the mounting seat 41 is movably arranged in the containing groove 1111, so that the clamping plate component 4 can be movably installed in the containing groove 1111 to prevent the goods from shaking when clamping and fixing the goods with a part of the goods being thin, and the clamping plate component 4 can be removed from the cross bar 111 when the goods with a part being thick, thereby improving the flexibility of use.

[0053] The mounting seat 41 is provided with a support rod 42 away from the vehicle body 1, the support rod 42 has a cavity 421, the cavity 421 movably has an extension rod 43, the part of the extension rod 43 outside the support rod 42 is connected with a pad plate 44, the pad plate 44 and the front door frame 11 form a limiting area, through the movement of the support rod 42 in the cavity 421, the limiting area is enlarged or reduced, the movably arranged support rod 42 can be moved in the cavity 421, so as to adjust in real time according to the actual size of the goods, thereby improving the overall use flexibility of the clamping plate part 4;

[0054] The cavity 421 is provided with a second elastic element 4211, the second elastic element 4211 is a pressure spring or a telescopic spring in the prior art, one end of the second elastic element 4211 is connected with the inner wall of the cavity 421, the other end is connected with the extension rod 43, through the connection of the second elastic element 4211, according to the characteristics of the second elastic element 4211, the extension rod 43 can be driven to move, so that the pad plate 44 moves relatively, the goods between the pad plate 44 and the front door frame 11 will be abutted with the pad plate 44 under the cooperation of the second elastic element 4211, the goods are further supported and limited by the pad plate 44, and according to the characteristics of the second elastic element 4211, the size of the goods can be adjusted, thereby improving the flexibility of use.

[0055] In one embodiment, referring to Figure 1 and Figure 2 The mounting hole 212 is provided on the top of the support 21, the mounting hole 212 is provided with a plurality of and is distributed along the length direction of the support 21, the plurality of mounting holes 212 can set different distances;

[0056] The top plate 222 is provided on the bearing seat 22, the top plate 222 is located above the support 21, the through hole 2221 is provided on the top plate 222, the through hole 2221 has the same hole diameter as the mounting hole 212, when the through hole 2221 is aligned with one group of mounting holes 212 through the movement of the bearing seat 22, the through hole 2221 and the mounting hole 212 are connected with a latch element, the bearing seat 22 and the support 21 are fixed through the latch element passing through the through hole 2221 and the mounting hole 212, so as to avoid the position deviation of the bearing seat 22 in the use process.

[0057] In one embodiment, referring to Figure 1 and Figure 8 The roof guard 13 is provided on the vehicle body 1, the roof guard 13 has a plurality of spaced hollow parts 131, the hollow parts 131 can facilitate the operator to detect the situation above the head during operation;

[0058] The two sides of the roof support frame 13 are provided with a slot 132, and an end plate component 5 is arranged on the slot 132. The end plate component 5 includes a support plate 51 and a movable plate 52. The support plate 51 moves in the slot 132, and the movable plate 52 is hinged to the support plate 51. By rotating the movable plate 52, an included angle is formed between the movable plate 52 and the support plate 51. The hinged mode allows the operator to adjust the included angle according to the needs. When the movable plate 52 is perpendicular to the movable plate 52, the movable plate 52 covers the hollow part 131. By rotating the movable plate 52, the hollow part 131 can be covered, so that the operator's head can be shielded in rainy or snowy weather, thereby avoiding the operation of the operator in special environment. In addition, when the movable plate 52 is parallel to the support plate 51, a containing area is formed on the roof support frame 13, and part of the goods can be placed on the roof support frame 13 and clamped and supported by the end plate component 5 on both sides.

[0059] In one embodiment, referring to Figure 1 、 Figure 2 and Figure 7 , the two sides of the sliding groove 211 are provided with a groove 2111, and a plurality of interval distributed roller components 6 are arranged in the groove 2111. The roller components 6 are used to improve the smoothness of the bearing seat 22 when moving in the sliding groove 211. The roller component 6 includes a rod body 61 and a pulley 62. The two ends of the rod body 61 are connected with the groove 2111, and the pulley 62 is sleeved on the rod body 61.

[0060] When the bearing seat 22 is located in the sliding groove 211, the end surface of the bearing seat 22 abuts against the outer periphery of the pulley 62. Since the bearing seat 22 contacts with the pulley 62, the friction of the bearing seat 22 when moving is reduced, thereby facilitating the operator to move the pulley 62 by pushing the bearing seat 22.

[0061] In one embodiment, referring to Figure 1 、 Figure 2 and Figure 7A plurality of limiting holes 2211 are arranged on the sleeve 221 at intervals along the circumferential direction of the sleeve 221, and the shaft 231 is provided with an opening 2311 corresponding to the position of the limiting hole 2211. When the shaft 231 is at different angles, the limiting hole 2211 can be aligned with the opening 2311. The limiting hole 2211 and the opening 2311 have the same hole diameter. When one set of limiting holes 2211 is aligned with the opening 2311, a pin shaft is connected between the limiting hole 2211 and the opening 2311. Since the shaft 231 can rotate circumferentially on the sleeve 221, in order to avoid the shaft 231 from being offset in the rotation angle due to collision during the protection of the goods, the shaft 231 can be fixed on the sleeve 221 by inserting the pin through the limiting hole 2211 and the opening 2311, thereby ensuring the stability of the shaft 231 and improving the overall stability of the baffle part 23.

[0062] In one embodiment, referring to Figure 1 , Figure 3 , Figure 5 and Figure 6 , a plurality of spaced-apart notches 2321 are arranged on the support plate 232, and a first elastic member 2322 is connected in the notch 2321. By arranging the first elastic member 2322 in the notch 2321, the first elastic member 2322 can be compressed and deformed without being offset, thereby serving as a limiting function. The first elastic member 2322 is a compression spring or an extension spring in the prior art. The other end of the first elastic member 2322 is connected to a pad 2323. When the goods are located on the fork plate 12, the two sides of the goods are respectively abutted against the pads 2323. The pads 2323 abut against the goods under the cooperation of the first elastic member 2322, thereby clamping the goods from both sides and supporting and buffering the goods when the goods are offset during the operation of the forklift.

[0063] In one embodiment, referring to Figure 1 and Figure 8 , the two sides of the movable plate 52 are provided with a lug 521, and the lug 521 is provided with an eye. The eye can be threaded with a rope, thereby serving as a fence when the goods are placed on the roof rack 13, and a hook can be additionally provided on the eye, thereby further pulling the goods.

[0064] In one embodiment, referring to Figure 1 and Figure 4 , the limiting plate 32 and the annular protrusion 311 are both provided with a fixing hole, which is a polygonal structure. A limiting member is movably installed on the fixing hole. When the limiting member is inserted into the fixing hole, the limiting plate 32 can be fixed, thereby avoiding the change of the angle of the limiting plate 32 due to shaking.

[0065] In the description of the application, it needs to be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0066] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the application, and are not intended to limit the scope of the application. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the application.

Claims

1. A fork truck having a protective structure, comprising a vehicle body having a front mast, characterized in that: Both sides of the front door frame are provided with side plate assemblies, the side plate assemblies include supports, bearing seats and baffle components, one end of the support is arranged on the front door frame, the support has a sliding groove, the bearing seat is movably arranged on the sliding groove and connected with the baffle component, side edge protection areas are formed between two groups of the baffle components, and the side edge protection areas are expanded or reduced by movement of the bearing seat; The bearing seat is provided with a sleeve, the baffle component includes a shaft rod, the shaft rod is sleeved in the sleeve, both ends of the shaft rod are provided with support plates, a plurality of interval distributed partition plates are connected between the two support plates, and the range angle of the side edge protection area is expanded or reduced by cooperation of the shaft rod and the sleeve; The front door frame has two groups of oppositely distributed fork plate pieces, both sides of the fork plate piece are provided with moving grooves, a blocking component is movably arranged on the moving groove, the blocking component includes a sliding seat, the sliding seat is movably arranged in the moving groove, one side of the sliding seat is provided with a ring-shaped protrusion, a limiting plate is installed on the ring-shaped protrusion, the limiting plate has a ring-shaped groove, the limiting plate has a rotation degree of freedom with the ring-shaped protrusion as the center by cooperation of the ring-shaped groove and the ring-shaped protrusion; When the limiting plate rotates, the limiting plate is parallel or perpendicular to the fork plate piece.

2. The fork truck with a guard structure according to claim 1, characterized by: The front door frame is provided with a cross bar, the cross bar has a containing groove, a clamping plate component is movably installed in the containing groove, the clamping plate component includes a mounting seat, and the mounting seat is movably arranged in the containing groove; One side of the mounting seat away from the vehicle body is provided with a supporting rod, the supporting rod has a cavity, an extension rod is movably arranged in the cavity, and the part of the extension rod outside the supporting rod is connected with a pad plate; The pad plate and the front door frame form a limiting area; The limiting area is expanded or reduced by movement of the supporting rod in the cavity.

3. The fork truck with a guard structure according to claim 1, characterized by: The top of the support is provided with mounting holes, a plurality of mounting holes are interval distributed along the length direction of the support; The bearing seat has a top plate, the top plate is located above the support, the top plate is provided with a through hole, the through hole has the same hole diameter as the mounting hole, and a latch piece is connected between the through hole and one group of the mounting holes when the through hole is aligned with the mounting hole by movement of the bearing seat.

4. The fork truck with a guard structure according to claim 1, characterized by: The vehicle body has a roof guard, the roof guard has a plurality of interval distributed hollow parts; Both sides of the roof guard are provided with grooves, the grooves are provided with end plate components, the end plate components include support plates and movable plates, the support plates are movably arranged in the grooves, and the movable plates are hingedly connected to the support plates; An included angle is formed between the movable plate and the support plate bracket by rotation of the movable plate, and the movable plate covers the hollow part when the movable plate is perpendicular to the movable plate.

5. The fork truck with a guard structure according to claim 1, characterized in that: Both sides of the sliding groove are provided with grooves, a plurality of interval distributed roller components are arranged in the grooves, the roller components include rod bodies and pulleys, both ends of the rod body are connected with the groove, and the pulley is sleeved on the rod body; When the bearing seat is located in the sliding groove, the end surface of the bearing seat abuts against the outer periphery of the pulley.

6. The fork truck with a guard structure according to claim 1, characterized by: The sleeve is provided with a plurality of limiting holes arranged at intervals along the circumferential direction of the sleeve, and the shaft rod is provided with an opening corresponding to the position of the limiting hole; The limiting hole and the opening have the same hole diameter, and a pin is connected between the limiting hole and the opening when one set of limiting holes is aligned with the opening.

7. The fork truck with a guard structure according to claim 1, characterized by: The support plate is provided with a plurality of spaced-apart notches, and a first elastic member is connected in the notch.

8. The fork truck with a guard structure according to claim 2, characterized by: The cavity is provided with a second elastic member, one end of the second elastic member is connected with the inner wall of the cavity, and the other end is connected with the extension rod.

9. The fork truck with a guard structure according to claim 4, characterized by: The movable plate is provided with a lug on both sides, and the lug is provided with a hole.

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