CN202296928U - Detection device for jib retracting state of truck crane and truck crane - Google Patents
Detection device for jib retracting state of truck crane and truck crane Download PDFInfo
- Publication number
- CN202296928U CN202296928U CN2011203792061U CN201120379206U CN202296928U CN 202296928 U CN202296928 U CN 202296928U CN 2011203792061 U CN2011203792061 U CN 2011203792061U CN 201120379206 U CN201120379206 U CN 201120379206U CN 202296928 U CN202296928 U CN 202296928U
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- crane arm
- detector switch
- switch
- joint
- controller
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- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses a detection device for a jib retracting state of a truck crane. The detection device comprises a controller, a jib starting switch, a first detection switch, a second detection switch and an alarm device; the jib starting switch, the first detection switch, the second detection switch and the alarm device are respectively electrically connected with the controller; the first detection switch is arranged on a first section of jib and a second section of jib, and sends a sensing signal when the second section of jib is completely retracted; the second detection switch is arranged on the last second section of jib and the last section of jib, and sends a sensing signal when the third section of jib to the last section of jib are completely retracted; and the controller is used for receiving a switching signal of the jib starting switch and sensing signals output by the first and second detection switches, and outputting an alarm signal to the alarm device when judging that the jib retracting state of the truck crane is abnormal according to the received signals.
Description
Technical field
The utility model relates to field of mechanical technique, particularly relates to a kind of car hosit crane arm and reclaims condition checkout gear and car hosit.
Background technology
Car hosit does not put in place if crane arm reclaims after fulfiling assignment, and in the vehicle ' process, because emergency braking produces huge inertia and can cause crane arm to skid off, if continue to go this moment, then possibly damage crane arm, even safety misadventure takes place.
Yet existing car hosit does not detect the device that crane arm reclaims state, under the crane arm off working state, when crane arm does not reclaim fully, reports to the police.
The utility model content
The purpose of the utility model is to provide a kind of car hosit crane arm to reclaim condition checkout gear and car hosit; In order under the crane arm off working state,, crane arm in time reports to the police when not regaining fully, improve safety; For this reason, the utility model adopts following technical scheme:
A kind of car hosit crane arm reclaims condition checkout gear; Comprise: controller (1), crane arm starting switch (2), first detector switch (3), second detector switch (4) and warning device (5); Said crane arm starting switch (2), first detector switch (3), second detector switch (4) and warning device (5) electrically connect with said controller (1) respectively; Wherein
First detector switch (3) is arranged on the first segment crane arm (6) and the second joint crane arm (7), sends induced signal when regaining fully at the second joint crane arm (7);
Second detector switch (4) is arranged on joint crane arm second from the bottom (8) and the minor details crane arm (9), sends induced signal when regaining fully at the 3rd joint crane arm (8) to minor details crane arm (9);
Controller (1) is used to receive the on-off signal, first detector switch (3) of crane arm starting switch (2) and the induced signal of second detector switch (4) output, and output alarm signal is given warning device (5) when judging that according to the signal that receives the car hosit crane arm reclaims abnormal state.
First pin of controller (1) connects crane arm starting switch (2), and second pin connects first detector switch (3), and three-prong connects second detector switch (4), and the 4th pin connects warning device (5);
First pin of controller (1) receives the closing signal of arm starting switch (2), and when one of second and third pin does not receive induced signal at least, from the 4th pin output alarm signal.
First inductive head (10) of first detector switch (3) and first sensor block are arranged at respectively on the side wall surface of the first segment crane arm (6) and the second joint crane arm (7); And corresponding when the second joint crane arm is regained fully, the distance between actual induction distance between first inductive head (10) and first sensor block and first segment crane arm (6) and second joint crane arm (7) sidewall adapts.
Second inductive head (12) of second detector switch (4) and second sensor block are arranged at respectively on the termination of termination and minor details crane arm (9) of joint crane arm second from the bottom (8); And corresponding when regaining fully at minor details crane arm (9), the distance between the termination of the actual induction distance between second inductive head (12) and second sensor block and minor details crane arm (9) minor details crane arm (9) when regaining fully and the termination of joint crane arm second from the bottom (8) adapts.
First detector switch (3) and second detector switch (4) are inductance approach switch, travel switch or length measurement sensor.
Warning device (5) is the read-out of combined aural and visual alarm or display alarm information.
A kind of car hosit comprises that described car hosit crane arm reclaims condition checkout gear.
The foregoing description of the utility model is provided with first detector switch on first and second joint crane arm, on joint crane arm second from the bottom and minor details crane arm, second detector switch is set; Whether controller through judging whether first detector switch receives induced signal detects the second joint crane arm and regains fully, whether receives induced signal through judging second detector switch; Whether detect the extremely minor details crane arm of the 3rd joint crane arm reclaims fully; Be at crane arm under the situation of off working state, when the joint in the second joint crane arm or the extremely minor details crane arm of the 3rd joint is not regained fully, perhaps; When the second joint crane arm and the 3rd saves when the minor details crane arm is not all regained fully; Start warning device, the utility model embodiment not only plays the protective effect to crane arm, and prevents that crane arm skids off in the process of moving; Avoid safety misadventure to take place, improve safety.Certainly, arbitrary product of the embodiment of enforcement the utility model might not reach above-described all advantages simultaneously.
Description of drawings
The car hosit crane arm that Fig. 1 provides for the utility model embodiment reclaims the electrical schematic diagram of condition checkout gear;
Fig. 2 reclaims the first detector switch scheme of installation in the condition checkout gear for the car hosit crane arm that the utility model embodiment provides;
Fig. 3 reclaims the second detector switch scheme of installation in the condition checkout gear for the car hosit crane arm that the utility model embodiment provides;
Fig. 4 reclaims the condition detection method flow chart of steps for the car hosit crane arm that the utility model embodiment provides.
Marginal data:
1, controller 2, crane arm starting switch 3, first detector switch
4, second detector switch 5, warning device 6, first segment crane arm
7, the second joint crane arm 8, joint crane arm second from the bottom 9, minor details crane arm
10, first inductive head 12, second inductive head 14, first adapter plate
15, second adapter plate
The specific embodiment
The utility model embodiment is on car hosit; Detect the second joint crane arm through first detector switch and whether regain fully, detect the 3rd joint to minor details crane arm through second detector switch and whether regain fully, judge under the current situation that is in off working state of crane arm through controller; Induced signal according to first detector switch and second detector switch; Judge when the second joint crane arm or the extremely minor details crane arm of the 3rd joint are not regained fully, start warning device, not only play protective effect crane arm; And prevent that crane arm skids off in the vehicle ' process, avoid safety misadventure to take place.
To combine the accompanying drawing in the utility model below, the technical scheme in the utility model is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
As shown in Figure 1, the car hosit crane arm that provides for the utility model embodiment reclaims the electrical schematic diagram of condition checkout gear.Specify structure and the annexation that the car hosit crane arm reclaims condition checkout gear below in conjunction with Fig. 2,3; This car hosit crane arm reclaims condition checkout gear and can comprise: controller 1, crane arm starting switch 2, first detector switch 3, second detector switch 4 and warning device 5, crane arm starting switch 2, first detector switch 3, second detector switch 4 and warning device 5 electrically connect with controller 1 respectively.Wherein, first detector switch 3 is arranged on the first segment crane arm 6 and the second joint crane arm 7, when the second joint crane arm 7 is regained fully, sends induced signal; Second detector switch 4 is arranged on joint crane arm 8 second from the bottom and the minor details crane arm 9; Because the 3rd joint crane arm to minor details crane arm 9 is flexible simultaneously; (the 3rd joint crane arm to joint crane arm second from the bottom is regained fully) sent induced signal when joint crane arm 8 second from the bottom is regained fully; Controller 1 is used to receive the on-off signal, first detector switch 3 of crane arm starting switch 2 and the induced signal of second detector switch, 4 outputs, and output alarm signal is given warning device 5 when judging that according to the signal that receives the car hosit crane arm reclaims abnormal state.
Crane arm starting switch 2 can be the key switch of car hosit control cabin, and when the control cabin key switch was in " ON " shelves, crane arm was in running order, and low level signal is by the first pin D1 of access controller 1.When the control cabin key switch was in " OFF " shelves, crane arm was in off working state, and high level signal is by the first pin D1 of access controller 1.
Referring to shown in Figure 2, the car hosit crane arm that provides for the utility model embodiment reclaims the first detector switch scheme of installation in the condition checkout gear.
As shown in the figure, first detector switch 3 is arranged on the first segment crane arm 6 and the second joint crane arm 7, and preferred, first detector switch 3 is arranged on the side arm face of the first segment crane arm 6 and the second joint crane arm 7.During practical implementation, first detector switch 3 can be selected inductance approach switch, travel switch or length measurement sensor for use, below is that example describes with the inductance type switch.
Referring to shown in Figure 3, the car hosit crane arm that provides for the utility model embodiment reclaims the second detector switch scheme of installation in the condition checkout gear.
As shown in the figure, preferred, second detector switch 4 is arranged on the termination of minor details crane arm 9 and joint crane arm 8 second from the bottom.During practical implementation, second detector switch 4 can be selected inductance approach switch, travel switch or length measurement sensor for use, below is that example describes with the inductance type switch.
Among the utility model embodiment; The detection faces of first detector switch 3 is the crane arm radial direction; The detection faces of second detector switch 4 is the crane arm axial direction; Promptly first detector switch 3 is vertical each other with the detection faces of second detector switch 4, and certainly, those skilled in the art should know that the detection faces of this first and second detector switch also can be identical.
The principle of work that the car hosit crane arm that the utility model embodiment provides reclaims condition checkout gear is following:
In the present embodiment, because the extremely minor details crane arm of the 3rd joint of hoisting crane stretches simultaneously, therefore can realize the number of interlock is saved crane arm recovery position Detection through one second detector switch 4.When crane arm starting switch 2 when closing (OFF), show that crane arm is in off working state.Under normal circumstances, each crane arm is all regained, and therefore first detector switch 3 and all exportable induced signal of second detector switch 4 are given controller 1; And current crane arm starting switch signal is " OFF "; In such cases, controller 1 judges that the crane arm state is normal, not output alarm signal.Under abnormal condition, the second joint crane arm is regained fully, or the 3rd do not regain to minor details crane arm fully, or second joint crane arm to the minor details crane arm has a joint not regain fully, in such cases, starts warning device 5, output alarm signal.
Referring to shown in Figure 4, the car hosit crane arm that provides for the utility model embodiment reclaims the condition detection method flow chart of steps, and this method may further comprise the steps:
Concrete, crane arm starting switch 2 is when cutting out (OFF), and controller 1 first pin is in vacant state, and at this moment, crane arm is in off working state.
Concrete; Controller 1 judges that through the detection signal (induced signal) that judges whether to receive first detector switch 3 whether the first segment crane arm regain fully, if detect signal, explains that the first segment crane arm regains fully; Then execution in step 404, otherwise execution in step 405.
Concrete; Controller judges that through the detection signal (induced signal) that judges whether to receive second detector switch the 3rd saves to the minor details crane arm and whether regain fully, if detect signal, explains that the 3rd saves to the minor details crane arm and regain fully; Then execution in step 402, otherwise execution in step 405.
In this flow process, step 403 can be exchanged with the order of step 404, that is, controller 1 judges whether first detector switch 3 or second detector switch 4 receive the protection domain that induced signal does not influence the utility model earlier.
Among another embodiment of the utility model; With " OFF " signal of crane arm starting switch 2 starting switch as controller 1; Promptly when the crane arm starting switch cuts out (OFF); To the first pin input high level of controller 1, controller 1 first pin is in vacant state, controller 1 startup this moment.Afterwards, controller 1 is respectively through judging whether second and third pin receives induced signal and confirm whether each crane arm is regained fully, and the structure of practical implementation step and crane arm recovery condition checkout gear and installation situation repeat no more at this as previously mentioned.
The utility model embodiment also provides a kind of car hosit, comprises that above-mentioned car hosit crane arm reclaims condition checkout gear.
Can find out that through above description the utility model embodiment adopts two detector switches to detect the second joint crane arm and the 3rd respectively and saves the recovery state to the minor details crane arm; Together import the detection signal and the crane arm operation on-off signal of said detector switch into controller, carry out condition judgement by controller.When " ON shelves " signal of control cabin key switch breaks off; And skidding off appears in crane arm or reclaim situation about putting in place (i.e. first detector switch or second detector switch one of them individual when not receiving induced signal) controller will start warning device; Promptly pass to high level alerting signal of operator's compartment field bus instrument, field bus instrument receives after the alerting signal of controller that promptly the display alarm page is reminded the operating personal parking checking on read-out.Present embodiment not only plays the protective effect to crane arm, and prevents that crane arm skids off in the process of moving, avoids safety misadventure to take place.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be looked the protection domain of the utility model.
Claims (7)
1. a car hosit crane arm reclaims condition checkout gear; It is characterized in that; Comprise: controller (1), crane arm starting switch (2), first detector switch (3), second detector switch (4) and warning device (5); Said crane arm starting switch (2), first detector switch (3), second detector switch (4) and warning device (5) electrically connect with said controller (1) respectively, wherein
First detector switch (3) is arranged on the first segment crane arm (6) and the second joint crane arm (7), sends induced signal when regaining fully at the second joint crane arm (7);
Second detector switch (4) is arranged on joint crane arm second from the bottom (8) and the minor details crane arm (9), sends induced signal when regaining fully at the 3rd joint crane arm (8) to minor details crane arm (9);
Controller (1) is used to receive the on-off signal, first detector switch (3) of crane arm starting switch (2) and the induced signal of second detector switch (4) output, and output alarm signal is given warning device (5) when judging that according to the signal that receives the car hosit crane arm reclaims abnormal state.
2. car hosit crane arm as claimed in claim 1 reclaims condition checkout gear; It is characterized in that; First pin of controller (1) connects crane arm starting switch (2); Second pin connects first detector switch (3), and three-prong connects second detector switch (4), and the 4th pin connects warning device (5);
First pin of controller (1) receives the closing signal of arm starting switch (2), and when one of second and third pin does not receive induced signal at least, from the 4th pin output alarm signal.
3. car hosit crane arm as claimed in claim 1 reclaims condition checkout gear; It is characterized in that; First inductive head (10) of first detector switch (3) and first sensor block are arranged at respectively on the side wall surface of the first segment crane arm (6) and the second joint crane arm (7); And corresponding when the second joint crane arm is regained fully, the distance between actual induction distance between first inductive head (10) and first sensor block and first segment crane arm (6) and second joint crane arm (7) sidewall adapts.
4. car hosit crane arm as claimed in claim 1 reclaims condition checkout gear; It is characterized in that; Second inductive head (12) of second detector switch (4) and second sensor block are arranged at respectively on the termination of termination and minor details crane arm (9) of joint crane arm second from the bottom (8); And corresponding when regaining fully at minor details crane arm (9), the distance between the termination of the actual induction distance between second inductive head (12) and second sensor block and minor details crane arm (9) minor details crane arm (9) when regaining fully and the termination of joint crane arm second from the bottom (8) adapts.
5. car hosit crane arm as claimed in claim 1 reclaims condition checkout gear, it is characterized in that first detector switch (3) and second detector switch (4) are inductance approach switch, travel switch or length measurement sensor.
6. car hosit crane arm as claimed in claim 1 reclaims condition checkout gear, it is characterized in that warning device (5) is the read-out of combined aural and visual alarm or display alarm information.
7. a car hosit is characterized in that, comprises like the described car hosit crane arm of one of claim 1-6 reclaiming condition checkout gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203792061U CN202296928U (en) | 2011-10-09 | 2011-10-09 | Detection device for jib retracting state of truck crane and truck crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203792061U CN202296928U (en) | 2011-10-09 | 2011-10-09 | Detection device for jib retracting state of truck crane and truck crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202296928U true CN202296928U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203792061U Expired - Fee Related CN202296928U (en) | 2011-10-09 | 2011-10-09 | Detection device for jib retracting state of truck crane and truck crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202296928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756781A (en) * | 2018-05-23 | 2018-11-06 | 徐工集团工程机械有限公司 | A kind of truck-mounted drilling rig crane arm control device |
-
2011
- 2011-10-09 CN CN2011203792061U patent/CN202296928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756781A (en) * | 2018-05-23 | 2018-11-06 | 徐工集团工程机械有限公司 | A kind of truck-mounted drilling rig crane arm control device |
| CN108756781B (en) * | 2018-05-23 | 2023-07-04 | 江苏徐工工程机械研究院有限公司 | Control device for crane boom of vehicle-mounted drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120704 Termination date: 20171009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |