CN205087891U - Fork truck fork utensil protection system based on load position is detected - Google Patents
Fork truck fork utensil protection system based on load position is detected Download PDFInfo
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- CN205087891U CN205087891U CN201520398815.XU CN201520398815U CN205087891U CN 205087891 U CN205087891 U CN 205087891U CN 201520398815 U CN201520398815 U CN 201520398815U CN 205087891 U CN205087891 U CN 205087891U
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Abstract
The utility model provides a fork truck fork utensil protection system based on load position is detected relates to engineering machinery, especially relates to a fork utensil protection system and fork truck, including car frame body, the portal lies in the fork utensil on the portal, lift cylinder, and one end and portal are articulated, the other end and car frame body articulated wave the hydro -cylinder, still include: detect the fork truck operating mode data detection device of fork truck operation operating mode data, the controller is including acquisition unit, memory cell, calculating unit, comparing element, the execution unit who connects gradually, the memory cell storage has the standard load curve, calculating unit calculates load centre -to -centre spacing, whether comparing element relatively cargo weight is greater than the rated load under the current load centre -to -centre spacing, and when cargo weight was greater than rated load, hydro -cylinder withdrawal and/or lift cylinder withdrawal were swayd in execution unit control. The utility model also provides a fork truck who has above -mentioned fork utensil protection system. The utility model discloses a real -time identification load centre -to -centre spacing, according to the bearing force adjustment load center that real -time load centre -to -centre spacing allowwed, protection fork utensil prevents crooked, the fracture of fork utensil prong.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of fork protection system and fork truck.
Background technology
The load curve figure of fork all demarcated by the nameplate that dispatches from the factory of every platform fork truck, and it reflects the maximum load capability that fork truck fork designs and entire vehicle design allows, is also the important evidence of fork truck device security operation.Show according to the load curve figure that fork truck is demarcated, the load that fork can bear at diverse location is different.Fork truck load curve figure: the fork overall length 2400mm of 30T/33T/35T such as shown in Fig. 1, when load base is within 1200mm, fork load-carrying ability is rated load (30T/33T/35T); After load base is more than 1200mm, fork load-carrying ability increases with load base and obviously declines.
But do not carry out by examination and controlling fork load base the condition of loading controlling fork according to load curve figure in industry at present; main dependence operator artificially judges whether load is in fork load center; can not accurately, actv. is according to load curve figure safe operation; protection fork, prevents fork prong from bending, even rupturing.
Based on above problem, how the research of existing patent documentation majority strengthens fork intensity, or designs the fork of special purpose for job requirements, improves load capacity.Such as: the cliding yoke that a kind of jaw base portion disclosed in CN201220675613 is strengthened protects fork prong by strengthening fork jaw base portion, makes it have feature that is shock-resistant, long service life.
Therefore, provide a kind of fork protection system, Real time identification load base, according to the load-carrying capacity adjustment load center position that real-time load base allows, protection fork, preventing fork prong from bending, rupturing is problem to be solved in the utility model.
Utility model content
Technical problem to be solved in the utility model is; there is provided a kind of fork truck fork protection system detected based on load position, Real time identification load base, according to the load-carrying capacity adjustment load center position that real-time load base allows; protection fork, prevents fork prong from bending, ruptures.The utility model additionally provides a kind of fork truck that fork protection system is housed.
For realizing the purpose of this utility model, a kind of fork truck fork protection system detected based on load position that the utility model provides, comprise vehicle frame, the door frame hinged with described vehicle frame, be positioned at the fork on described door frame, one end and described door frame is hinged, the other end and the hinged oscillating cylinder of described vehicle frame, is positioned at the elevating ram on described door frame, also comprises: for detecting the detecting device of forklift workability floor data; Be connected with described fork truck operating mode data detection device, for controlling the controller of fork truck fork load capacity;
Wherein, described controller comprises: be connected electrically in the collecting unit on described fork truck operating mode data detection device, for gathering the signal of described fork truck operating mode data detection device; Be connected with described collecting unit, and store the memory cell of normal loading diagram of curves; Be connected with described storage element, for the calculating unit of data assumed (specified) load width between centers gathered by described collecting unit; Be connected with described calculating unit, for comparing the comparing unit of the difference of the rated load under goods actual load and current load width between centers according to the result of calculation of calculating unit and normal loading diagram of curves; Be connected with described comparing unit, the signal data for sending according to comparing unit controls the control unit of fork load center position.
Wherein, retracting and/or the retraction of described elevating ram mainly through controlling oscillating cylinder in described control fork load center position, makes the actual load center of fork truck fork in the scope of normal loading curve.
Wherein, described fork truck operating mode data detection device comprises: be arranged on elevating ram for detecting the gravity detecting device of cargo weight; Be arranged on oscillating cylinder for detecting the stretching force detecting apparatus of oscillating cylinder pulling force; Be arranged on door frame for detecting the height detecting device of goods lift height; Be arranged on door frame for detecting the angle detection device at door frame angle of inclination; Described gravity detecting device, stretching force detecting apparatus, height detecting device and angle detection device are connected electrically in respectively on collecting unit and carry out Signal transmissions.
Wherein, described gravity detecting device is the pressure sensor detecting described elevating ram pressure.
Wherein, described stretching force detecting apparatus is detect the pressure sensor of described oscillating cylinder pressure or detect the pulling force sensor of described oscillating cylinder pulling force.
Wherein, described height detecting device is length detection sensor or long angle detecting sensor.
Wherein, described angle detection device is angle detecting sensor or long angle detecting sensor.
For realizing the purpose of this utility model; the utility model also provides a kind of fork protection system; comprise vehicle frame; the door frame hinged with described vehicle frame; be positioned at the fork on described door frame, one end and described door frame is hinged, the other end and the hinged oscillating cylinder of described vehicle frame, be positioned at the elevating ram on described door frame; controller, also comprises:
Be arranged in described fork mechanism, for detecting the position-detection sensor of fork position;
Be arranged on elevating ram, for detecting the gravity detecting device of cargo weight;
Wherein, described position-detection sensor is ultrasonic transduter or laser sensor.
Wherein, when cargo weight is greater than rated load, described performance element also sends alarm command.
The utility model has the advantages that:
The technical scheme that the utility model provides; Real time identification fork load base can be realized by detecting device and controller; according to the load-carrying capacity adjustment load center position that real-time load base allows, protection fork, prevents fork prong from bending, ruptures.
Accompanying drawing explanation
Fig. 1 is fork truck load curve figure in prior art;
Fig. 2 is the schematic diagram of the fork protection system composition that the utility model provides;
Fig. 3 is according to the structural representation of the utility model fork protection system on fork truck;
Fig. 4 is the structural representation under the different operating modes of the protection system of fork shown in Fig. 2;
Fig. 5 is the structural representation according to the another embodiment of fork protection system provided by the utility model.
Wherein, the corresponding relation in Fig. 3 between Reference numeral and component names is:
1, vehicle frame, 2, door frame, 21, elevating ram, 3, fork, 4, oscillating cylinder, 5, goods.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt and be different from other modes described here and implement, and therefore, protection domain of the present utility model is by the restriction of following public specific embodiment.
Embodiment 1
Fork protection system composition schematic diagram of the present utility model as shown in Figure 2, comprises the detecting device S1 for detecting forklift workability floor data; Be connected with described fork truck operating mode data detection device, for controlling the controller S2 of fork truck fork load capacity.
Further, described controller comprises:
Be connected electrically in the collecting unit S201 on described fork truck operating mode data detection device, for gathering the signal of described fork truck operating mode data detection device;
Be connected with described collecting unit, and store the memory cell S202 of normal loading diagram of curves;
Be connected with described storage element, for the calculating unit S203 of data assumed (specified) load width between centers gathered by described collecting unit;
Be connected with described calculating unit, for comparing the comparing unit S204 of the difference of the rated load under goods actual load and current load width between centers according to the result of calculation of calculating unit and normal loading diagram of curves;
Be connected with described comparing unit, the signal data for sending according to comparing unit controls the control unit S205 of fork load center position.
Further, described control unit is connected with fork S3.
Further, described fork truck operating mode data detection device comprises: be arranged on elevating ram for detecting the gravity detecting device of cargo weight; Be arranged on oscillating cylinder for detecting the stretching force detecting apparatus of oscillating cylinder pulling force; Be arranged on door frame for detecting the height detecting device of goods lift height; Be arranged on door frame for detecting the angle detection device at door frame angle of inclination;
Described gravity detecting device, stretching force detecting apparatus, height detecting device and angle detection device are connected electrically in respectively on collecting unit and carry out Signal transmissions.
Further, described gravity detecting device is the pressure sensor detecting described elevating ram pressure.
Further, described stretching force detecting apparatus is detect the pressure sensor of described oscillating cylinder pressure or detect the pulling force sensor of described oscillating cylinder pulling force.
Further, described height detecting device is length detection sensor or long angle detecting sensor.
Further, described angle detection device is angle detecting sensor or long angle detecting sensor.
Especially, a kind of detecting device of fork protection system that the utility model provides can also be comprise:
Be arranged in described fork mechanism, for detecting the position-detection sensor of fork position;
Be arranged on elevating ram, for detecting the gravity detecting device of cargo weight.
Further, described position-detection sensor is ultrasonic transduter or laser sensor.
Embodiment 2
Fork protection system provided by the utility model as shown in Figure 3 and Figure 4, comprise vehicle frame 1, the door frame 2 hinged with described vehicle frame, be positioned at the fork 3 on described door frame, one end and described door frame 2 is hinged, the other end and the hinged oscillating cylinder 4 of described vehicle frame 1, be positioned at the elevating ram 21 on described door frame 2, also comprise: for detecting the fork truck operating mode data detection device of forklift workability floor data; Controller, described controller comprises the collecting unit, memory cell, calculating unit, comparing unit, the performance element that connect successively; Described collecting unit is for gathering the signal of described fork truck operating mode data detection device, and described fork truck operating mode data detection device is electrically connected with described collecting unit; Described cell stores has normal loading diagram of curves; Described calculating unit calculates actual load width between centers c according to the data of collecting unit collection; Described comparing unit is according to the rated load under normal loading diagram of curves inquiry current load width between centers c, and compare cargo weight whether be greater than current load width between centers c under rated load, when cargo weight is greater than rated load, described performance element controls described oscillating cylinder and retracts and/or the retraction of described elevating ram.
In this embodiment, fork truck operating mode data detection device comprises: be positioned on described elevating ram for detecting the gravity detecting device of the cargo weight that fork is loaded; Be positioned on described oscillating cylinder for detecting the stretching force detecting apparatus of described oscillating cylinder pulling force; Be positioned on described door frame for detecting the height detecting device of described goods lift height; Be positioned on described door frame for detecting the angle detection device at described door frame angle of inclination; Described gravity detecting device, stretching force detecting apparatus, height detecting device and angle detection device are electrically connected with described collecting unit respectively.
Acquisition module gathers the cargo weight G that gravity detecting device detects, and stretching force detecting apparatus detects the pulling force T of oscillating cylinder, and height detecting device detects goods lift height h, and angle detection device detects door frame tilt angle alpha; Computing module calculates load base c; Comparison module inquires the rated load under this load base c from the load curve figure of cell stores according to load base c, and judge whether cargo weight exceedes rated load, when cargo weight exceedes the rated load that current load width between centers c allows, execution module controls oscillating cylinder and retracts and/or elevating ram retraction, namely load base is reduced, thus alleviate the load pressure of fork knife and fork point, prevent fork knife and fork point from bending because of overload, rupturing.
In this embodiment, as one preferred embodiment, described gravity detecting device is the pressure sensor detecting described elevating ram pressure.
In this embodiment, as one preferred embodiment, described stretching force detecting apparatus is detect the pressure sensor of described oscillating cylinder pressure or detect the pulling force sensor of described oscillating cylinder pulling force.
In this embodiment, as one preferred embodiment, described height detecting device is length detection sensor or long angle detecting sensor.
In this embodiment, as one preferred embodiment, described angle detection device is angle detecting sensor or long angle detecting sensor.
In this embodiment, as one preferred embodiment, when cargo weight is greater than rated load, described performance element also sends alarm command.Described alarm command can be sound and light alarm prompting and/or drive prompting alarm message that door displays rolls, improve further the utility model the practicality of fork protection system is provided.
Embodiment 3
As shown in Figure 5, another embodiment provided by the utility model is: described fork truck operating mode data detection device comprises the position-detection sensor that is positioned at described fork end face and is positioned at the gravity detecting device described elevating ram detecting described cargo weight.Preferably, described position-detection sensor is ultrasonic transduter or laser sensor.
In this embodiment, the data that load base c is detected by position-detection sensor carry out Fuzzy Calculation, the numerical value detected for ultrasonic transduter or laser sensor is for fork end face F is to the distance S of goods end face, acquiescence goods outer rim is concordant with the prong of fork cutter, prong end is Z to the distance of fork cutter end face F, and load base c obtains by mechanical relationship.After computing module calculates load base c, comparison module inquires the rated load under this load base c from the load curve figure of cell stores according to load base c, and judge whether the cargo weight that gravity detecting device detects exceedes rated load, when cargo weight exceedes the rated load that current load width between centers c allows, execution module controls oscillating cylinder and retracts and/or elevating ram retraction, namely load base is reduced, thus alleviate the load pressure of fork knife and fork point, prevent fork knife and fork point from bending because of overload, rupturing.
The utility model also provides a kind of fork truck, comprises the fork protection system described in above-mentioned arbitrary technical scheme.
The technical scheme that the utility model provides, by Real time identification load center position, according to the load-carrying capacity adjustment load center position that real-time load base allows, protection fork, prevents fork prong from bending because transshipping, rupturing.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1., based on the fork truck fork protection system that load position detects, comprising:
For detecting the detecting device of forklift workability floor data;
Be connected with described fork truck operating mode data detection device, for controlling the controller of fork truck fork load capacity;
Wherein, described controller comprises:
Be connected electrically in the collecting unit on described fork truck operating mode data detection device, for gathering the signal of described fork truck operating mode data detection device;
Be connected with described collecting unit, and store the memory cell of normal loading diagram of curves;
Be connected with described memory cell, for the calculating unit of data assumed (specified) load width between centers gathered by described collecting unit;
Be connected with described calculating unit, for comparing the comparing unit of the difference of the rated load under goods actual load and current load width between centers according to the result of calculation of calculating unit and normal loading diagram of curves;
Be connected with described comparing unit, the signal data for sending according to comparing unit controls the control unit of fork load center position.
2. fork protection system according to claim 1, is characterized in that, described fork truck operating mode data detection device comprises:
Be arranged on elevating ram for detecting the gravity detecting device of cargo weight;
Be arranged on oscillating cylinder for detecting the stretching force detecting apparatus of oscillating cylinder pulling force;
Be arranged on door frame for detecting the height detecting device of goods lift height;
Be arranged on door frame for detecting the angle detection device at door frame angle of inclination;
Described gravity detecting device, stretching force detecting apparatus, height detecting device and angle detection device are connected electrically in respectively on collecting unit and carry out Signal transmissions.
3. fork protection system according to claim 2, is characterized in that, described gravity detecting device is the pressure sensor detecting described elevating ram pressure.
4. fork protection system according to claim 2, is characterized in that, described stretching force detecting apparatus is detect the pressure sensor of described oscillating cylinder pressure or detect the pulling force sensor of described oscillating cylinder pulling force.
5. fork protection system according to claim 2, is characterized in that, described height detecting device is length detection sensor or long angle detecting sensor.
6. fork protection system according to claim 2, is characterized in that, described angle detection device is angle detecting sensor or long angle detecting sensor.
7. a fork protection system, comprises fork mechanism, it is characterized in that, also comprises controller as claimed in claim 1, and:
Be arranged in described fork mechanism, for detecting the position-detection sensor of fork position;
Be arranged on elevating ram, for detecting the gravity detecting device of cargo weight.
8. fork protection system according to claim 7, is characterized in that, described position-detection sensor is ultrasonic transduter or laser sensor.
9. the fork protection system according to claim 1 or 7, is characterized in that, when cargo weight is greater than rated load, described control unit also sends alarm command.
10. a fork truck, is characterized in that, comprises fork protection system as claimed in any of claims 1 to 8 in one of claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398815.XU CN205087891U (en) | 2015-06-12 | 2015-06-12 | Fork truck fork utensil protection system based on load position is detected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398815.XU CN205087891U (en) | 2015-06-12 | 2015-06-12 | Fork truck fork utensil protection system based on load position is detected |
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| CN205087891U true CN205087891U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520398815.XU Expired - Fee Related CN205087891U (en) | 2015-06-12 | 2015-06-12 | Fork truck fork utensil protection system based on load position is detected |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311086A (en) * | 2016-04-26 | 2017-11-03 | 博世汽车柴油系统有限公司 | Judge fork truck load whether overweight control unit and method |
| CN107857212A (en) * | 2017-09-26 | 2018-03-30 | 林德（中国）叉车有限公司 | A kind of fork truck maximum lift height method for limiting and system |
| CN108117019A (en) * | 2016-11-29 | 2018-06-05 | 比亚迪股份有限公司 | Fork truck overload detection method, device and truck hydraulic control system |
| CN109553040A (en) * | 2018-11-30 | 2019-04-02 | 徐工消防安全装备有限公司 | Aerial working platform vehicle and aerial working platform vehicle load capacity detection method |
| CN110799447A (en) * | 2017-01-25 | 2020-02-14 | Jlg工业公司 | Pressure-based load sensing system |
| CN111707342A (en) * | 2020-05-29 | 2020-09-25 | 浙江华叉搬运设备有限公司 | Forklift load detection method and device |
| CN112707338A (en) * | 2020-12-23 | 2021-04-27 | 南京爱动信息技术有限公司 | Cargo carrying load bearing capacity detection system and method based on industrial forklift intellectualization |
| WO2024076649A1 (en) * | 2022-10-04 | 2024-04-11 | Cascade Corporation | Depth detector systems |
-
2015
- 2015-06-12 CN CN201520398815.XU patent/CN205087891U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311086A (en) * | 2016-04-26 | 2017-11-03 | 博世汽车柴油系统有限公司 | Judge fork truck load whether overweight control unit and method |
| CN108117019A (en) * | 2016-11-29 | 2018-06-05 | 比亚迪股份有限公司 | Fork truck overload detection method, device and truck hydraulic control system |
| CN110799447A (en) * | 2017-01-25 | 2020-02-14 | Jlg工业公司 | Pressure-based load sensing system |
| US11215495B2 (en) | 2017-01-25 | 2022-01-04 | Jlg Industries, Inc. | Pressure based load sensing system |
| CN107857212A (en) * | 2017-09-26 | 2018-03-30 | 林德（中国）叉车有限公司 | A kind of fork truck maximum lift height method for limiting and system |
| CN109553040A (en) * | 2018-11-30 | 2019-04-02 | 徐工消防安全装备有限公司 | Aerial working platform vehicle and aerial working platform vehicle load capacity detection method |
| CN111707342A (en) * | 2020-05-29 | 2020-09-25 | 浙江华叉搬运设备有限公司 | Forklift load detection method and device |
| CN112707338A (en) * | 2020-12-23 | 2021-04-27 | 南京爱动信息技术有限公司 | Cargo carrying load bearing capacity detection system and method based on industrial forklift intellectualization |
| WO2024076649A1 (en) * | 2022-10-04 | 2024-04-11 | Cascade Corporation | Depth detector systems |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20190612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |