CN113251107A

CN113251107A - Balancing weight for forklift with gravity center moving backwards

Info

Publication number: CN113251107A
Application number: CN202110619508.XA
Authority: CN
Inventors: 王治国
Original assignee: Xuzhou Shenghai Machinery Manufacturing Technology Co ltd
Current assignee: Xuzhou Shenghai Machinery Manufacturing Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-08-13
Anticipated expiration: 2041-06-03
Also published as: CN113251107B

Abstract

The invention provides a balancing weight for a forklift with a backward gravity center, which relates to the technical field of balancing weights, and comprises a fixed frame and a weight plate at the top of the fixed frame, wherein a fixed screw rod is arranged above the weight plate, the bottom end of the fixed screw rod penetrates through the weight plate and is in threaded connection with the top of the fixed frame, a fixed spiral ring in threaded connection with the fixed screw rod is sleeved on the outer wall of the fixed screw rod and positioned above the weight plate, the weight plate consists of an inner side plate and an outer side plate, a connecting slide rod is arranged on the side wall of the outer side plate, the balancing weight for the forklift with the backward gravity center is characterized in that the rubber telescopic bag is inflated through a one-way valve to expand, the outer side plate deviates to one side far away from the inner side plate, so that the appearance of the balancing weight is adjusted, the gravity center is also moved backward, the weight effect of the balancing weight is favorably improved, the stability is better, and other weighting media such as liquid are injected into the rubber telescopic bag, the overall weight of the counterweight can be improved, and the stability can be improved conveniently when the forklift supports heavier objects.

Description

Balancing weight for forklift with gravity center moving backwards

Technical Field

The invention relates to the technical field of balance weights, in particular to a balance weight for a forklift with a backward gravity center.

Background

Counterbalanced forklifts are the most common, most numerous and most widely used type of forklift. Counterweighted forklift body frames generally include a frame and a counterweight mounted on the frame. At present, most of frames of the forklift truck have a truck tail frame structure, a steering axle and a balance weight are directly installed on the truck tail frame through a bolt set, and the truck tail frame plays a role in supporting and fixing the truck tail frame. The main function of the counterweight is to balance the longitudinal overturning moment generated by the mass of the goods during operation, so that the longitudinal stability of the forklift is kept, the load on the fork is balanced by the self weight of the forklift and the weight of the counterweight, the full-load operation is realized without side turning, and the counterweight type forklift is an important component part of the counterweight type forklift. The counter weight appearance of current fork truck is fixed, and stability is guaranteed when fork truck supports heavier article inconveniently, and the security is not good.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the balancing weight for the forklift with the backward gravity center, and solves the problems that the existing balancing weight for the forklift is fixed in shape, inconvenient to ensure stability when the forklift supports a heavy object, and poor in safety.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a focus moves back fork truck uses balanced heavy, includes the ballast plate at mount and top, and the top of ballast plate is equipped with clamping screw, clamping screw's bottom runs through ballast plate and mount top threaded connection, clamping screw's outer wall and the top cover that is located the ballast plate are equipped with rather than threaded connection's fixed spiro, the ballast plate comprises interior plate and outer panel, and the lateral wall of outer panel installs and connects the slide bar, the sliding chamber with being connected slide bar looks adaptation is seted up to the inside of interior plate, the tip of connecting the slide bar extends to the inside rather than sliding contact in sliding chamber, be connected with the flexible bag of rubber between interior plate and the outer panel, and the inside of the flexible bag of rubber is equipped with and is connected the passageway of slide bar looks adaptation, the check valve rather than inside intercommunication is installed to the outer wall of the flexible bag of rubber.

Further, the inside of outer panel is equipped with rather than sliding connection's support, the top of support just is close to inboard board side and installs the supporting slide, the top of support just keeps away from inboard board side and installs the anticreep handle, and the welding of the top of anticreep handle has the go-between, the top of outer panel is fixed with the atress chain, and the end connection of atress chain have with the couple of go-between looks adaptation, through taking out the support, at the fixed small-size balancing weight in support top, can further improve the weight of this balancing weight, also moves the whole focus of balancing weight backward, does benefit to the stability that improves balancing weight and push down fork truck, and the atress chain is connected with the go-between simultaneously, can lift the tip of support, reduces the influence of small-size balancing weight to the support, improves the durability of support.

Further, the top interval of support is equipped with separates the rib, is convenient for carry out the interval with small-size balancing weight and fixes, helps improving fixed stability.

Furthermore, the bottom welding of support has the reinforcing strip, and the reinforcing strip is parallel with the connection slide bar, can improve the compressive strength of support.

Further, the outer wall of lateral plate and the top movable mounting who is located the anticreep handle have flagging cardboard, and flagging cardboard receives the action of gravity flagging, can be with the lateral wall bottom side of support, avoids its idle time delay to stretch out.

Further, the top of mount and the below that is located the ballast plate are equipped with the chute, one side tilt up five degrees that the chute is close to the outer panel can make the ballast plate incline to the vehicle side through the chute, is convenient for make the outer panel of skew paste in the inner panel lateral wall again, has also improved the stability of counter weight arrangement behind fork truck simultaneously, reduces the pressure of connecting vehicle and counter weight part.

Further, spacing telescopic link is installed in the outside that just is located the flexible bag of rubber between interior curb plate and the outer panel, can restrict the lateral part inflation of the flexible bag of rubber, improves the promotion effect to the outer panel.

Furthermore, the top of outer panel is seted up the top groove with atress chain looks adaptation, can hide the atress chain, and a plurality of ballast plates of being convenient for overlap and stack.

Furthermore, the top of the supporting slide block is hemispherical, so that the contact friction force between the supporting slide block and the outer side plate can be reduced, and the support can be conveniently drawn out.

(III) advantageous effects

The invention provides a balancing weight for a forklift with a backward gravity center. The method has the following beneficial effects:

1. this fork truck that focus shifts backward is with balanced heavy, aerifys to the inside of the flexible bag of rubber through the check valve and makes its inflation, with the outside plate one side skew of keeping away from the inside plate to adjust balanced heavy appearance, also shift the focus backward, do benefit to the ballast effect that improves balanced heavy, stability is better.

2. This fork truck that focus shifts back is with balanced heavy, through other aggravating media such as the inside injection liquid to the flexible bag of rubber, can improve balanced heavy whole weight, is convenient for improve stability when fork truck supports heavier article.

3. This balanced heavy for fork truck that focus shifts backward through taking out the support, at the fixed small-size balancing weight of support top, can further improve this balanced heavy weight, also shifts backward balanced heavy whole focus, does benefit to the stability that improves balanced heavy pushing down fork truck, and the atress chain is connected with the go-between simultaneously, can lift the tip of support, reduces the influence of small-size balancing weight to the support, improves the durability of support.

4. This fork truck that focus shifts backward is with balanced heavy, can make the ballast plate incline to the vehicle side through the chute, is convenient for make the outside plate of skew paste in the inside plate lateral wall again, has also improved the stability of balanced heavy settling behind fork truck simultaneously, reduces the pressure of connecting vehicle and balanced heavy part.

Drawings

Fig. 1 is a schematic view of the internal structure of the weight plate of the present invention.

Fig. 2 is a schematic view of the appearance structure of the present invention.

FIG. 3 is an enlarged view of the invention at A in FIG. 1.

In the figure: 1. a fixed mount; 2. a weight plate; 21. an inner side plate; 22. an outer panel; 23. connecting a sliding rod; 24. a rubber flexible bag; 3. fixing the screw rod; 4. fixing the spiro ring; 5. a one-way valve; 6. a support; 7. a support slide block; 8. an anti-drop handle; 9. a connecting ring; 10. a stressed chain; 11. separating ribs; 12. a drooping clamping plate; 13. limiting the telescopic rod; 14. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a balancing weight for a forklift with a backward gravity center, which comprises a fixed frame 1 and a weight plate 2 at the top of the fixed frame 1, wherein a chute 14 is arranged at the top of the fixed frame 1 and below the weight plate 2, one side of the chute 14 close to an outer side plate 22 inclines upwards by five degrees, the weight plate 2 can incline towards the side of a vehicle through the chute 14, the deviated outer side plate 22 is convenient to be attached to the side wall of an inner side plate 21 again, the stability of the balancing weight arranged behind the forklift is improved, the pressure for connecting the vehicle balancing weight and a part of the balancing weight is reduced, a fixing screw rod 3 is arranged above the weight plate 2, the bottom end of the fixing screw rod 3 penetrates through the weight plate 2 and is in threaded connection with the top of the fixed frame 1, a fixing spiral ring 4 in threaded connection with the fixing screw rod 3 is sleeved on the outer wall of the outer side plate 2, the weight plate 2 consists of the inner side plate, and the side wall of the outer panel 22 is equipped with the connecting slide bar 23, the inside of the inner panel 21 is equipped with the sliding cavity matched with the connecting slide bar 23, the end of the connecting slide bar 23 extends to the inside of the sliding cavity and is in sliding contact with the sliding cavity, a rubber flexible bag 24 is connected between the inner panel 21 and the outer panel 22, the inside of the rubber flexible bag 24 is equipped with a channel matched with the connecting slide bar 23, a limit telescopic rod 13 is installed between the inner panel 21 and the outer panel 22 and outside the rubber flexible bag 24, which can limit the expansion of the side part of the rubber flexible bag 24 and improve the pushing effect to the outer panel 22, the outer wall of the rubber flexible bag 24 is equipped with a one-way valve 5 communicated with the inside, the rubber flexible bag 24 is inflated by the one-way valve 5 to expand, the outer panel 22 is deviated to the side far away from the inner panel 21, thereby adjusting the appearance of the balance weight and shifting the gravity back, do benefit to and improve the ballast effect of balanced weight, stability is better, other aggravate media such as liquid are poured into the inside of rubber flexible bag 24, can improve the whole weight of balanced weight, be convenient for improve stability when fork truck supports heavier article, the inside of outer panel 22 is equipped with rather than sliding connection's support 6, the top interval of support 6 is equipped with separates rib 11, be convenient for carry out interval fixed with small-size balancing weight, help improving fixed stability, the bottom welding of support 6 has the reinforcement strip, the reinforcement strip is parallel with connecting slide bar 23, can improve the compressive strength of support 6, the top of support 6 and the side that is close to inner panel 21 are installed support slider 7, the top of support slider 7 is hemispherical, can reduce the contact friction power of support slider 7 and outer panel 22, be convenient for taking out of support 6, the top of support 6 just keeps away from inner panel 21 side and installs anticreep handle 8, and the top of the anti-drop handle 8 is welded with a connecting ring 9, the top of the outer side plate 22 is fixed with a stressed chain 10, the end part of the stressed chain 10 is connected with a hook matched with the connecting ring 9, the bracket 6 is drawn out, the top of the bracket 6 is fixed with a small-sized balancing weight, the weight of the balancing weight can be further improved, the integral gravity center of the balancing weight is moved backwards, the stability of the balancing weight for pressing down the forklift is favorably improved, meanwhile, the stressed chain 10 is connected with the connecting ring 9, the end part of the bracket 6 can be lifted up, the influence of the small-sized balancing weight on the bracket 6 is reduced, the durability of the bracket 6 is improved, a drooping clamping plate 12 is movably arranged on the outer wall of the outer side plate 22 and above the anti-drop handle 8, the drooping clamping plate 12 is drooping under the action of gravity, the bottom side wall of the bracket 6 can be prevented from, the stressed chain 10 can be hidden, so that a plurality of weight plates 2 can be stacked in an overlapping mode conveniently.

The working principle is as follows: during the use, aerify to the inside of the flexible bag 24 of rubber through check valve 5 and make its inflation, with outer panel 22 to the one side skew of keeping away from inner panel 21, thereby adjust the appearance of balanced heavy weight, also carry out the retrusion with the focus, do benefit to the ballast effect that improves balanced weight, stability is better, other media that aggravate such as liquid are poured into to the inside of the flexible bag 24 of rubber, can improve the whole weight of balanced weight, be convenient for improve stability when fork truck supports heavier article, take out support 6, fix small-size balancing weight at support 6 top, can further improve the weight of this balanced weight, also retrusion with the whole focus of balanced weight, do benefit to improving the stability that the balanced weight pushed down to fork truck, atress chain 10 is connected with go-between 9 simultaneously, can lift the tip of support 6, reduce the influence of small-size balancing weight to support 6, improve the durability of support 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fork truck of focus retrusion is with balanced heavy, characterized in that, including the ballast plate (2) at mount (1) and top, and the top of ballast plate (2) is equipped with clamping screw (3), clamping screw (3)'s bottom is run through ballast plate (2) and mount (1) top threaded connection, the outer wall of clamping screw (3) just is located the top cover of ballast plate (2) and is equipped with rather than threaded connection's fixed spiro (4), ballast plate (2) comprises interior plate (21) and outer panel (22), and the lateral wall of outer panel (22) installs connection slide bar (23), the inside of interior plate (21) is seted up and is connected the sliding chamber of slide bar (23) looks adaptation, the tip of connecting slide bar (23) extends to the inside of sliding chamber and sliding contact with it, be connected with rubber expansion bag (24) between interior plate (21) and outer panel (22), and the inside of the rubber flexible bag (24) is provided with a channel matched with the connecting sliding rod (23), and the outer wall of the rubber flexible bag (24) is provided with a one-way valve (5) communicated with the inside of the rubber flexible bag.

2. The counterweight for forklift truck according to claim 1, wherein: the inside of outer panel (22) is equipped with rather than sliding connection's support (6), support slider (7) are installed to the top of support (6) and be close to interior plate (21) side, anticreep handle (8) are installed to the top of support (6) and keep away from interior plate (21) side, and the top welding of anticreep handle (8) has go-between (9), the top of outer panel (22) is fixed with atress chain (10), and the end connection of atress chain (10) has the couple with go-between (9) looks adaptation.

3. The counterweight for forklift truck according to claim 2, wherein: and the top of the bracket (6) is provided with separating ribs (11) at intervals.

4. The counterweight for forklift truck according to claim 2, wherein: and a reinforcing strip is welded at the bottom of the bracket (6).

5. The counterweight for forklift truck according to claim 2, wherein: and a drooping clamping plate (12) is movably arranged on the outer wall of the outer side plate (22) and above the anti-falling handle (8).

6. The counterweight for forklift truck according to claim 1, wherein: the top of the fixing frame (1) is provided with a chute (14) below the weight plate (2), and one side of the chute (14) close to the outer side plate (22) is inclined upwards by five degrees.

7. The counterweight for forklift truck according to claim 1, wherein: and a limiting telescopic rod (13) is arranged between the inner side plate (21) and the outer side plate (22) and positioned at the outer side of the rubber telescopic bag (24).

8. The counterweight for forklift truck according to claim 2, wherein: the top of the outer side plate (22) is provided with a top groove matched with the stressed chain (10).

9. The counterweight for forklift truck according to claim 2, wherein: the top of the supporting slide block (7) is hemispherical.