Counterweight device for forklift

Abstract

The counterweight device for the forklift comprises a machine body, a counterweight seat, a push rod component and a support bearing assembly, the counterweight seat is installed in a concave part formed in the machine body, and sand filling is conducted on the counterweight seat so that the preliminary counterweight effect can be achieved; due to the fact that the two sides of the balance weight base are connected with the push rod components arranged on the two sides of the machine body correspondingly, when the forklift needs to be subjected to balance weight again according to different working environments, the balance weight base is driven by the push rod components to move, and a containing area is formed in the concave part between the balance weight base and the machine body; meanwhile, a mounting frame in the support bearing assembly is arranged in an opening formed in a bearing seat in a balance weight seat and connected with a storage barrel, so that the storage barrel is located on the side, away from the machine body, of the balance weight seat, balance weight can be carried out again by placing the materials in the storage barrel, and the balance weight flexibility is improved; the problem that an existing forklift cannot be suitable for different scenes due to fixed balance weight is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of forklifts, in particular to a counterweight device for a forklift. BACKGROUND

[0002] A forklift is a logistics handling equipment widely used in warehouses, wharfs, factories and other places, mainly used for loading and unloading, stacking and short-distance transportation of piece goods. Since the weight borne by the front wheels of the forklift increases when lifting goods, a counterweight is installed at the rear of the forklift body to balance the weight distribution between the front wheels and the rear wheels, ensuring the stability of the forklift and preventing it from tipping forward. However, the existing forklifts all use fixed counterweights, and different working environments and tasks may require different stability and maneuverability. The fixed counterweight cannot adapt to these changes, and different types of forklifts may be needed to meet different needs, resulting in poor overall adaptability of the forklift. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned problems and provides a counterweight device for a forklift.

[0004] The technical solution of the present application is as follows:

[0005] The present application provides a counterweight device for a forklift, which comprises a body, a counterweight seat, a push rod component and a bracket bearing assembly. One side of the body is provided with a recess, and the counterweight seat is installed in the recess. The counterweight seat has a storage cavity inside.

[0006] The push rod component is provided with two groups and is symmetrically distributed on both sides of the body. The piston end of the push rod component is provided with a connecting seat, which is connected with the counterweight seat through the connecting seat. Through the cooperation of the push rod component, the counterweight seat is close to or away from the body. When the counterweight seat is away from the body, a placement area is formed between the counterweight seat and the body.

[0007] The counterweight seat has a bearing seat inside, and the bearing seat has an opening extending to the outside of the counterweight seat. The bracket bearing assembly is arranged on the opening. The bracket bearing assembly comprises a mounting bracket and a storage barrel. The mounting bracket is provided with two groups and is symmetrically distributed in the opening. The storage barrel is arranged on the two groups of mounting brackets.

[0008] When the counterweight seat moves under the cooperation of the push rod component, the position of the storage barrel changes synchronously.

[0009] In one embodiment, the body has a cross beam, and the cross beam is provided with two groups of first hooks distributed at intervals. The counterweight seat is provided with two groups of second hooks distributed at intervals.

[0010] The first hooks and the second hooks are parallel on the same horizontal plane.

[0011] The first hook portion and the second hook portion are connected by a rope.

[0012] In one embodiment, the counterweight seat is provided with threaded holes on both sides, the connecting seat is provided with a through hole, the diameter of the threaded hole is the same as that of the through hole;

[0013] When the threaded hole and the through hole are aligned, the threaded rod passes through the threaded hole and the through hole;

[0014] The threaded rod is provided with a hand wheel portion.

[0015] In one embodiment, the body is provided with a clamping groove on one side near the recess, and the counterweight seat is provided with a protruding portion corresponding to the clamping groove;

[0016] When the counterweight seat is installed on the recess, and the end surface of the counterweight seat is in close contact with the end surface of the recess, the protruding portion is embedded in the clamping groove.

[0017] In one embodiment, the counterweight seat is provided with two groups of symmetrically distributed material inlet openings, the material inlet openings are in communication with the material storage cavity, and sealing plugs are installed on the material inlet openings.

[0018] In one embodiment, the recess is provided with two groups of spaced-apart guide rails, the bottom of the counterweight seat is provided with a sliding groove corresponding to the position of the guide rail, and by embedding the guide rail in the sliding groove, the counterweight seat moves along the length direction of the guide rail under the cooperation of the push rod component.

[0019] In one embodiment, the support bearing assembly further comprises a latch, the bearing seat is provided with a mounting hole extending to the opening, and the mounting frame is provided with a clamping hole with the same diameter as the mounting hole.

[0020] When the latch passes through the mounting hole and the clamping hole, the mounting frame is fixed to the bearing seat.

[0021] In one embodiment, the body further has a door frame, and the door frame and the counterweight seat are located at both ends of the body.

[0022] The advantages or beneficial effects of the above technical solutions at least include:

[0023] The application discloses a counterweight device for a forklift, which is characterized in that a counterweight seat is installed on a machine body, and sand is filled in the counterweight seat, so that the preliminary counterweight operation of the forklift is completed; since the counterweight seat is connected with a push rod component through a connecting seat, when the counterweight needs to be increased, the counterweight seat is moved by the push rod component, so that a placing area for placing counterweight materials is formed between the counterweight seat and the machine body, thereby realizing the second counterweight of the forklift; and a bearing seat on the counterweight seat is installed with a support bearing assembly, so that the forklift is counterweighted again by placing materials in a storage barrel; the movement of the counterweight seat by the push rod component and the arrangement of the support bearing assembly can realize the multiple counterweight operations of the forklift, thereby solving the problem that the existing forklift counterweight cannot be adjusted according to different working environments. BRIEF DESCRIPTION OF DRAWINGS

[0024] 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 given below, serve to explain the principles of the present application. These drawings should be understood, however, are not to be determined to be limiting of the present application, but rather are merely illustrative.

[0025] Figure 1 A decomposition structure schematic view of an embodiment of the present application is shown;

[0026] Figure 2 A structure schematic view of an embodiment of the present application is shown from a perspective;

[0027] Figure 3 A structure schematic view of a counterweight seat of an embodiment of the present application is shown;

[0028] Figure 4 A cut structure schematic view of a counterweight seat of an embodiment of the present application is shown;

[0029] Figure 5 An embodiment of the present application is shown; Figure 1 An enlarged schematic view of A in the embodiment of the present application is shown;

[0030] Reference signs: 1, machine body; 11, recessed part; 13, cross beam; 131, first hook part; 14, clamping groove; 15, portal; 2, counterweight seat; 21, material placing cavity; 22, bearing seat; 221, opening; 222, mounting hole; 23, second hook part; 24, threaded hole; 25, protruding part; 251, magnetic layer; 26, material inlet opening; 27, sliding groove; 3, push rod component; 31, connecting seat; 311, through hole; 4, support bearing assembly; 41, mounting frame; 42, storage barrel; 43, bolt.

[0031] 2, counterweight seat; 21, material placing cavity; 22, bearing seat; 221, opening; 222, mounting hole; 23, second hook part; 24, threaded hole; 25, protruding part; 251, magnetic layer; 26, material inlet opening; 27, sliding groove;

[0032] 3, push rod component; 31, connecting seat; 311, through hole

[0033] 4, support bearing assembly; 41, mounting frame; 42, storage barrel; 43, bolt.

[0034] 5 screw member; 51 hand wheel portion;

[0035] 6 seal plug;

[0036] 7 guide rail. DETAILED DESCRIPTION

[0037] Embodiments of the present application will be described in more detail with reference to the drawings. While the present application is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that there is no intent to limit the application to the particular embodiments described herein, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the application. It should also be understood that the drawings are not necessarily to scale.

[0038] It should be noted that the embodiments and features of the embodiments in 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 combination with the embodiments.

[0039] It should be understood that the term "comprising" and its conjugations used in the present application are open-ended, i.e., "comprising but not limited to". The term "based on" is "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Related definitions will be given in the description below. It should be noted that the concepts mentioned as "first", "second" and the like in the present application are only used to distinguish different devices, modules or units, and are not intended to limit the functions of these devices, modules or units or the sequence or interdependence of these functions.

[0040] It should be noted that the adjectives "one", "several" mentioned in the present application are illustrative and not limiting, and those skilled in the art should understand that unless otherwise explicitly stated in the context, it should be understood as "one or more".

[0041] The names of the messages or information exchanged between the devices in the embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of the messages or information.

[0042] Reference Figures 1-5The application discloses a counterweight device for a forklift, which comprises a machine body 1, a counterweight seat 2, a push rod component 3 and a support bearing assembly 4, wherein one side of the machine body 1 is provided with a recess 11, the counterweight seat 2 is installed in the recess 11, the counterweight seat 2 is provided with a material placing cavity 21, the material placing cavity 21 is filled with sand so as to adjust the overall weight of the counterweight seat 2, the support bearing assembly 4 is used for additionally adding weight, the counterweight seat 2 is provided with two groups of symmetrically-distributed material feeding openings 26, the material feeding openings 26 are communicated with the material placing cavity 21, the material feeding openings 26 are provided with sealing plugs 6, the sealing plugs 6 are made of rubber, the material feeding openings 26 are arranged so as to facilitate an operator to pour materials into the material placing cavity 21, and the material feeding openings 26 are closed by the sealing plugs 6, thereby avoiding material overflow.

[0043] The push rod component 3 is arranged on two sides of the machine body 1 in a symmetric manner, the push rod component 3 is provided with a connecting seat 31 on a piston end, and the connecting seat 31 is connected with the counterweight seat 2, the push rod component 3 is a high-force electric push rod in the prior art, the counterweight seat 2 is moved close to or away from the machine body 1 through cooperation of the push rod component 3, when the counterweight seat 2 is away from the machine body 1, a placing area is formed between the counterweight seat 2 and the machine body 1, and the placing area can be used for placing materials again.

[0044] The counterweight seat 2 is provided with a bearing seat 22, the bearing seat 22 is provided with an opening 221 extending to the outside of the counterweight seat 2, and the support bearing assembly 4 is arranged on the opening 221, the support bearing assembly 4 comprises a mounting frame 41 and a material placing barrel 42, the mounting frame 41 is arranged in two groups and symmetrically in the opening 221, and the material placing barrel 42 is arranged on the two groups of mounting frames 41.

[0045] When the counterweight seat 2 moves under cooperation of the push rod component 3, the position of the material placing barrel 42 is synchronously changed, the position of the counterweight seat 2 is changed, the gravity center of the counterweight is adjusted, and thus the counterweight is suitable for different operation environments.

[0046] Based on the above structure, the counterweight seat 2 is installed on the machine body 1 and filled with appropriate filling sand, the counterweight seat 2 plays a supporting role on one side of the machine body 1, the material placing barrel 42 of the support bearing assembly 4 can be filled with materials again due to different operation environments, the adding of the material placing barrel 42 can increase the counterweight weight of the forklift again due to the fact that the material placing barrel 42 is installed on the side, away from the machine body 1, of the counterweight seat 2, the material placing barrel 42 is moved by the push rod component 3 due to the fact that the counterweight seat 2 is connected with the push rod component 3, the placing area formed by the counterweight seat 2 and the machine body 1 can be filled with materials again, the counterweight is further adjusted, the counterweight operation of the forklift can be realized through cooperation of the counterweight seat 2, the push rod component 3 and the support bearing assembly 4, and thus the problem that the existing counterweight weight of the forklift is fixed and causes the operation environment to have limitations can be solved.

[0047] In one embodiment, referring to Figures 1-3 , the fuselage 1 has a beam 13, the beam 13 is provided with two sets of first hook parts 131 which are spaced apart, the counterweight seat 2 is provided with two sets of second hook parts 23 which are spaced apart, the first hook parts 131 and the second hook parts 23 are parallel on the same horizontal plane, and a hanging rope is connected between the first hook parts 131 and the second hook parts 23. The hanging rope is a tension rope in the prior art and has a certain ductility. Since part of the counterweight seat 2 is located outside the recess 11 during movement of the counterweight seat 2 away from the fuselage 1 under cooperation of the push rod part 3, the counterweight seat 2 is in a state of being empty, and therefore the counterweight seat 2 can be pulled from one end through the connection between the first hook parts 131 and the second hook parts 23, so that the counterweight seat 2 can be kept stable and the shift of the center of gravity is avoided.

[0048] In one embodiment, referring to Figure 1 and Figure 5 , the screw rod part 5 is further included, the counterweight seat 2 is provided with threaded holes 24 on both sides, the connecting seat 31 has a through hole 311, the hole diameter of the threaded hole 24 is the same as that of the through hole 311, the screw rod part 5 passes through the threaded hole 24 and the through hole 311 when the threaded hole 24 is aligned with the through hole 311, and the screw rod part 5 has a hand wheel part 51. The hand wheel part 51 is arranged to facilitate rotation of the screw rod part 5 by an operator. Since the push rod part 3 is connected to the counterweight seat 2 through the connecting seat 31, in order to improve the stability of the connection between the counterweight seat 2 and the connecting seat 31, the screw rod part 5 passes through the connecting seat 31 and is threadedly connected to the counterweight seat 2, so that the stability during connection is further improved. In addition, the screw rod part 5 can be used to separate the counterweight seat 2 and the connecting seat 31 when subsequent maintenance or replacement of the counterweight seat 2 is required.

[0049] In one embodiment, referring to Figures 1-4 , the fuselage 1 is provided with a clamping groove 14 on the side close to the recess 11, and the counterweight seat 2 is provided with a protruding part 25 corresponding to the position of the clamping groove 14. When the counterweight seat 2 is installed on the recess 11 and the end face of the counterweight seat 2 is in contact with the end face of the recess 11, the protruding part 25 is embedded in the clamping groove 14. The clamping connection can limit the installation of the counterweight seat 2 on the fuselage 1, further improving the stability during installation.

[0050] The protruding part 25 is provided with a magnetic layer 251 on the side away from the counterweight seat 2. When the protruding part 25 is embedded in the clamping groove 14, the protruding part 25 is magnetically connected to the clamping groove 14 under the action of the magnetic layer 251. The magnetic connection can quickly install the protruding part 25 in the clamping groove 14 and further improve the firmness of the counterweight seat 2 installed on the fuselage 1.

[0051] In one embodiment, referring to Figure 1 and Figure 2 , the recess 11 has two sets of spaced guide rails 7, and the bottom of the counterweight seat 2 is provided with a sliding groove 27 corresponding to the position of the guide rail 7. By embedding the guide rail 7 in the sliding groove 27, the counterweight seat 2 moves along the length direction of the guide rail 7 under the cooperation of the push rod component 3. The guide rail 7 can guide the counterweight seat 2 during movement and prevent the counterweight seat 2 from deviating from position.

[0052] In one embodiment, referring to Figure 1 , Figure 3 and Figure 4 , the bracket bearing assembly 4 further comprises a latch 43, the bearing seat 22 has a mounting hole 222 extending to the opening 221, and the mounting bracket 41 is provided with a clamping hole with the same hole diameter as the mounting hole 222. When the latch 43 passes through the mounting hole 222 and the clamping hole, the mounting bracket 41 is fixed to the bearing seat 22. Through the latch connection, the mounting bracket 41 can be fixed in the counterweight seat 2, and the detachable effect of the bracket bearing assembly 4 can be achieved, so that flexible adjustment can be made according to actual operation conditions.

[0053] In one embodiment, referring to Figure 1 and Figure 2 , the machine body 1 further has a portal frame 15, and the portal frame 15 and the counterweight seat 2 are located at both ends of the machine body 1. The portal frame 15 has a fork, so as to carry the articles to be clamped. The portal frame 15 and the counterweight seat 2 are located at both ends of the machine body 1, so as to balance the pressure when carrying the articles.

[0054] In the description of the present application, it should be noted 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, and are only for the convenience of describing the present 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 present application.

[0055] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present application, and are not intended to limit the scope of the present application. Based on the above disclosure, other changes or modifications can be made by those skilled in the art, and these changes or modifications are still within the scope of the present application.

Claims

1. A counterweight device for a fork lift truck, characterized by: The utility model provides a kind of lifting device, including fuselage, counterweight seat, push rod component and support bearing assembly, one side of the fuselage is provided with recess, the counterweight seat is installed in the recess, and the counterweight seat has material cavity in it; The push rod component is provided with two groups and symmetrically distributed in the two sides of the fuselage, the piston end of the push rod component is provided with connecting seat, and is connected with the counterweight seat through connecting seat, the counterweight seat is close to or away from the fuselage by the cooperation of the push rod component, and the counterweight seat and the fuselage form a placement area when the counterweight seat is away from the fuselage; The counterweight seat has bearing seat in it, the bearing seat has opening, the opening extends to the outside of the counterweight seat, the support bearing assembly is arranged on the opening, and the support bearing assembly includes mounting frame and storage barrel, the mounting frame is provided with two groups and symmetrically distributed in the opening, and the storage barrel is arranged on two groups of mounting frame; When the counterweight seat moves under the cooperation of the push rod component, the position of the storage barrel changes synchronously.

2. The weight device for a fork truck of claim 1, wherein: The fuselage has crossbeam, the crossbeam is provided with two groups of first hook parts that are spaced apart, and the counterweight seat is provided with two groups of second hook parts that are spaced apart; The first hook part and the second hook part are parallel on the same horizontal plane; The first hook part and the second hook part are connected with hanging rope.

3. The weight device for a fork truck of claim 1, wherein: It also includes screw rod, both sides of the counterweight seat are provided with threaded hole, the connecting seat has through hole, the hole diameter of the threaded hole is same with the hole diameter of the through hole; When the threaded hole and the through hole are aligned, the screw rod passes through the threaded hole and the through hole; The screw rod has hand wheel part.

4. The weight apparatus for a fork truck of claim 1, wherein: The side of the fuselage close to the recess is provided with clamping groove, and the counterweight seat is provided with protruding part corresponding to the position of the clamping groove; When the counterweight seat is installed on the recess, and the end surface of the counterweight seat is fitted with the end surface of the recess, the protruding part is embedded in the clamping groove.

5. The weight apparatus for a fork truck of claim 1, wherein: The counterweight seat is provided with two groups of symmetrically distributed material inlet openings, the material inlet openings are communicated with the material cavity, and sealing plug is installed on the material inlet openings.

6. The weight apparatus for a fork truck of claim 1, wherein: The recess has two groups of spaced apart guide rails, and the bottom of the counterweight seat is provided with sliding slot corresponding to the position of the guide rail, the guide rail is embedded in the sliding slot, so that the counterweight seat moves along the length direction of the guide rail under the cooperation of the push rod component.

7. The weight apparatus for a fork truck of claim 1, wherein: The support bearing assembly also includes latch, the mounting hole of the bearing seat extends to the opening, and the mounting frame is provided with clamping hole with same hole diameter with the mounting hole; When the latch passes through the mounting hole and the clamping hole, the mounting frame is fixed on the bearing seat.

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