CN210637784U - Telescopic bracket and detection device - Google Patents
Telescopic bracket and detection device Download PDFInfo
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- CN210637784U CN210637784U CN201921849976.0U CN201921849976U CN210637784U CN 210637784 U CN210637784 U CN 210637784U CN 201921849976 U CN201921849976 U CN 201921849976U CN 210637784 U CN210637784 U CN 210637784U
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Abstract
The utility model belongs to the technical field of scalable equipment technique and specifically relates to a telescopic bracket and detection device are related to. The telescopic bracket comprises a driving mechanism, a first transmission assembly, a primary telescopic arm and at least one secondary telescopic arm; the first transmission assembly is used for being connected with a workpiece; the second-stage telescopic arm is provided with a second transmission assembly; when one secondary telescopic arm is arranged, the driving mechanism drives the workpiece to move along the set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the second transmission assembly can drive the secondary telescopic arm to move along the set direction relative to the primary telescopic arm; when the two-stage telescopic arms are multiple, in two adjacent two-stage telescopic arms, the two-stage telescopic arm far away from the one-stage telescopic arm can move along the set direction simultaneously relative to the two-stage telescopic arm close to the one-stage telescopic arm and a workpiece, and the second transmission assembly can drive the two-stage telescopic arm close to the one-stage telescopic arm to move along the set direction relative to the one-stage telescopic arm, so that the time is shortened.
Description
Technical Field
The utility model belongs to the technical field of scalable equipment technique and specifically relates to a telescopic bracket and detection device are related to.
Background
The existing telescopic support has wide application field, and the position of a workpiece can be adjusted by connecting the telescopic support with the workpiece. For example, the telescoping support may be coupled to the detector to adjust the position of the detector so that the detector reaches a desired location for detection. However, the existing telescopic support is usually a plurality of telescopic rods, when in use, the last telescopic rod is fixed, in the telescopic process, most of the telescopic rods are the first telescopic rods connected with the workpiece to drive the workpiece to completely extend or retract, and other telescopic rods sequentially extend or retract according to the sequence, that is, other telescopic rods cannot simultaneously extend or retract with the workpiece, so that the telescopic process is long in time consumption. Especially when placing the application with telescopic bracket level, often appear after several sections poles stretch out, because the change of focus leads to the condition that frictional force obviously increases, block easily when stretching out again.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a telescopic bracket to alleviate the telescopic bracket that exists among the prior art and stretch out and draw back step by step long time-consuming technical problem.
A second object of the utility model is to provide a detection device to alleviate the technical problem that exists because telescopic bracket is flexible step by step and is long when consuming time and lead to detection device work efficiency to hang down among the prior art.
Based on the first purpose, the utility model provides a telescopic bracket, which comprises a driving mechanism, a first transmission component, a first-stage telescopic arm and at least one second-stage telescopic arm; the first-stage telescopic arm is used for being fixed on the base, and the first transmission assembly is used for being connected with a workpiece; the secondary telescopic arm is provided with a second transmission assembly;
when the number of the two-stage telescopic arms is one, the first transmission assembly is connected with the second transmission assembly; the driving mechanism drives the workpiece to move along a set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the first transmission assembly can drive the second transmission assembly to move so that the secondary telescopic arm moves along the set direction relative to the primary telescopic arm;
when the number of the secondary telescopic arms is multiple, the first transmission assembly is connected with a second transmission assembly on the secondary telescopic arm far away from the primary telescopic arm; in two adjacent secondary telescopic arms, the secondary telescopic arm far away from the primary telescopic arm is connected with the second transmission assembly on the secondary telescopic arm close to the primary telescopic arm; the driving mechanism drives the workpiece to move along a set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the first transmission assembly can drive the second transmission assembly on the secondary telescopic arm far away from the primary telescopic arm to move, so that the secondary telescopic arm far away from the primary telescopic arm moves along the set direction relative to the primary telescopic arm; and in two adjacent two-stage telescopic arms, the two-stage telescopic arm far away from the one-stage telescopic arm can move along the set direction relative to the two-stage telescopic arm close to the one-stage telescopic arm.
Further, in some embodiments, the second transmission assembly comprises a gear and a synchronous belt transmission assembly, the gear is coaxially connected with a driving pulley of the synchronous belt transmission assembly;
the primary telescopic arm is provided with a primary rack, the length direction of the primary rack is consistent with that of the primary telescopic arm, and the primary rack is matched with a gear on a secondary telescopic arm close to the primary telescopic arm; a synchronous belt of a synchronous belt transmission assembly on the secondary telescopic arm connected with the first transmission assembly is fixedly connected with the first transmission assembly;
when the quantity of the flexible arm of second grade is a plurality of, the flexible arm of one-level with keep away from the flexible arm of second grade between the flexible arm of second grade of the flexible arm of one-level is provided with the second grade rack, in two adjacent flexible arms of second grade, keeps away from gear on the flexible arm of second grade of the flexible arm of one-level with be close to rack on the flexible arm of second grade of the flexible arm of one-level cooperatees, just keep away from the flexible arm of second grade of the flexible arm of one-level with be close to the hold-in range fixed connection of the hold-in range drive assembly on the flexible arm of.
Further, in some embodiments, the driving mechanism is a motor, and the motor is mounted on the secondary telescopic arm through a mounting plate; the first transmission assembly comprises a screw rod and a sliding block, the motor is in transmission connection with the screw rod, the sliding block is in threaded connection with the screw rod, and the sliding block can reciprocate along the length direction of the screw rod; the sliding block is used for being fixedly connected with the workpiece;
when the number of the secondary telescopic arms is one, the screw rod is arranged on the secondary telescopic arms, the sliding block is connected with the second transmission assembly, and the sliding block can drive the second transmission assembly to move, so that the secondary telescopic arms can move along the set direction relative to the primary telescopic arms;
when the quantity of the flexible arm of second grade is a plurality of, the lead screw is installed keep away from on the flexible arm of second grade of the flexible arm of one-level, the slider with keep away from second drive assembly on the flexible arm of second grade of the flexible arm of one-level connects, just the slider can drive keep away from the second drive assembly motion on the flexible arm of second grade of the flexible arm of one-level, so that keep away from the flexible arm of second grade of the flexible arm of one-level can be for being close to the flexible arm of second grade of the flexible arm of one-level is followed set for the direction motion.
Further, in some embodiments, the driving mechanism is an air cylinder, the first transmission assembly includes an upper pressing plate and a lower pressing plate, the upper pressing plate is fixedly connected to a piston rod of the air cylinder, the workpiece is mounted on the upper pressing plate, and the upper pressing plate and the lower pressing plate are fixedly connected to a synchronous belt of a synchronous belt transmission assembly on the secondary telescopic arm.
Further, in some embodiments, the number of the driven pulleys of the synchronous belt drive assembly is two, and the two driven pulleys are respectively a first driven pulley and a second driven pulley, and a connection line between a circle center of the first driven pulley and a circle center of the second driven pulley is parallel to the length direction of the secondary telescopic arm.
Further, in some embodiments, the telescopic bracket further includes a first limit switch and a stopper, the first limit switch is fixedly connected with the primary telescopic arm, the stopper is fixedly connected with the secondary telescopic arm close to the primary telescopic arm, and the first limit switch can be in contact with the stopper to limit the maximum distance that the secondary telescopic arm extends out.
Further, in some embodiments, the first limit switch and the stop are both located inside the largest outer profile of the telescoping bracket.
Further, in some embodiments, two ends of the screw rod are respectively and fixedly mounted on the secondary telescopic arm through mounting seats;
the telescopic support further comprises a second limit switch, the second limit switch is fixedly connected with a mounting seat close to the motor, and the second limit switch can be in contact with the sliding block, so that the telescopic support is in a contraction state.
Further, in some embodiments, the second limit switch is located inside a maximum outer profile of the telescoping support.
Based on above-mentioned second purpose, the utility model also provides a detection device, including the detector with telescopic bracket, the detector with first drive assembly connects.
Compared with the prior art, the beneficial effects of the utility model include:
the utility model provides a telescopic bracket, which comprises a driving mechanism, a first transmission component, a first-stage telescopic arm and at least one second-stage telescopic arm; the first-stage telescopic arm is used for being fixed on the base, and the first transmission assembly is used for being connected with a workpiece; the secondary telescopic arm is provided with a second transmission assembly;
when the number of the two-stage telescopic arms is one, the first transmission assembly is connected with the second transmission assembly; the driving mechanism drives the workpiece to move along a set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the first transmission assembly can drive the second transmission assembly to move so that the secondary telescopic arm moves along the set direction relative to the primary telescopic arm;
when the number of the secondary telescopic arms is multiple, the first transmission assembly is connected with the second transmission assembly on the secondary telescopic arm far away from the primary telescopic arm; in two adjacent secondary telescopic arms, the secondary telescopic arm far away from the primary telescopic arm is connected with the second transmission assembly on the secondary telescopic arm close to the primary telescopic arm; the driving mechanism drives the workpiece to move along a set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the first transmission assembly can drive the second transmission assembly on the secondary telescopic arm far away from the primary telescopic arm to move, so that the secondary telescopic arm far away from the primary telescopic arm moves along the set direction relative to the primary telescopic arm; and in two adjacent two-stage telescopic arms, the two-stage telescopic arm far away from the one-stage telescopic arm can move along the set direction relative to the two-stage telescopic arm close to the one-stage telescopic arm.
Based on this structure, the utility model provides a telescopic bracket through setting up first drive assembly and second drive assembly, can realize that the flexible arm of second grade is flexible simultaneously with the work piece, and flexible process is consuming time shorter. When the telescopic arm type workpiece retracting device is used, the one-level telescopic arm can be fixed on the base, a workpiece is installed on the first transmission assembly, when the driving mechanism drives the workpiece to move along the set direction relative to the length direction of the two-level telescopic arm, all the two-level telescopic arms can move relative to the one-level telescopic arm along the set direction together with the workpiece, namely, in the time of driving the workpiece to extend by the driving mechanism, all the two-level telescopic arms also extend simultaneously, in the time of driving the workpiece to retract by the driving mechanism, all the two-level telescopic arms also retract simultaneously, and therefore the time required by the telescopic process is shortened.
In addition, because all the flexible arms of second grade are stretched out with the work piece simultaneously, even place telescopic bracket level, also can not appear several sections poles that exist among the prior art after stretching out, because the change of focus leads to the condition of the obvious increase of frictional force, that is to say, the utility model provides a phenomenon that blocks can not appear at flexible in-process at telescopic bracket.
The utility model provides a detection device, owing to used the utility model provides a telescopic bracket, in the time that actuating mechanism drive detector stretches out, all second grade telescopic boom also stretch out simultaneously, that is to say, the detector stretches out the required length used time of department and has shortened to work efficiency has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a telescopic bracket according to a first embodiment of the present invention;
fig. 2 is a front view of a telescopic bracket according to a first embodiment of the present invention;
fig. 3 is a schematic view of a telescopic bracket according to an embodiment of the present invention in an extended state;
fig. 4 is a bottom view of the telescopic bracket according to the first embodiment of the present invention;
fig. 5 is a schematic structural view of a telescopic bracket according to a second embodiment of the present invention;
fig. 6 is a front view of a telescopic bracket according to a second embodiment of the present invention;
fig. 7 is a schematic view of the telescopic bracket provided by the second embodiment of the present invention in an extended state.
Icon: 100-a workpiece; 101-first-stage telescopic arm; 102-a secondary telescopic arm; 103-a drive mechanism; 104-a screw rod; 105-a slider; 106-gear; 107-synchronous belt; 108-a driving pulley; 109-a first driven pulley; 110-a second driven pulley; 111-primary rack; 112-secondary rack; 113-a first limit switch; 114-a stop; 115-a second limit switch; 116-a first fixation plate; 117-second fixation plate; 118-a mounting plate; 119-mounting seat.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 4, the present embodiment provides a telescopic bracket, which includes a driving mechanism 103, a first transmission assembly, a first-stage telescopic arm 101, and a second-stage telescopic arm 102; the first-stage telescopic arm 101 is used for being fixed on the base, and the first transmission assembly is used for being connected with the workpiece 100; the secondary telescopic arm 102 is provided with a second transmission component; in this embodiment, the number of the secondary telescopic arms 102 is one, the first transmission assembly is connected with the secondary telescopic arms 102, and the first transmission assembly is connected with the second transmission assembly; while the driving mechanism 103 drives the workpiece 100 to move along the set direction relative to the length direction of the secondary telescopic arm 102, the first transmission assembly can drive the second transmission assembly to move, so that the secondary telescopic arm 102 moves along the set direction relative to the primary telescopic arm 101.
Based on this structure, the telescopic bracket that this embodiment provided through setting up first transmission assembly and second transmission assembly, can realize that the flexible arm 102 of second grade is flexible simultaneously with work piece 100, and flexible process is consuming time shorter. When the telescopic arm type workpiece handling device is used, the primary telescopic arm 101 can be fixed on a base, the workpiece 100 is installed on the first transmission assembly, when the driving mechanism 103 drives the workpiece 100 to move along a set direction relative to the length direction of the secondary telescopic arm 102, the secondary telescopic arm 102 and the workpiece 100 can move relative to the primary telescopic arm 101 along the set direction, namely, the secondary telescopic arm 102 extends out simultaneously in the time when the driving mechanism 103 drives the workpiece 100 to extend out, and the secondary telescopic arm 102 retracts simultaneously in the time when the driving mechanism 103 drives the workpiece 100 to retract, so that the time required by the telescopic process is reduced.
In addition, because the flexible arm of second grade stretches out with the work piece simultaneously, even place telescopic bracket level, also can not appear several sections poles that exist among the prior art after stretching out, because the change of focus leads to the condition of frictional force obvious increase, that is to say, the telescopic bracket that this embodiment provided can not appear blocking the phenomenon in flexible in-process.
It should be noted that the base is not limited in form, and may be a ground surface or a wall surface, or a platform for carrying equipment, for example, when the telescopic bracket is placed on a vehicle, the base may be a part of the vehicle, such as a roof or a trunk.
In some embodiments, the drive mechanism 103 is a motor that is mounted to the secondary telescoping arm 102 via a mounting plate 118. Specifically, the mounting plate 118 is fixedly connected with the secondary telescopic arm 102 through bolts, and the motor is fixed on the mounting plate 118 through fastening bolts; the first transmission assembly comprises a screw rod 104 and a sliding block 105, the driving mechanism 103 is in transmission connection with the screw rod 104, the sliding block 105 is in threaded connection with the screw rod 104, and the sliding block 105 can reciprocate along the length direction of the screw rod 104; the slide block 105 is used for being fixedly connected with the workpiece 100; the screw 104 is installed on the second-stage telescopic arm 102, the sliding block 105 is connected with the second transmission assembly, and the sliding block 105 can drive the second transmission assembly to move, so that the second-stage telescopic arm 102 can move along a set direction relative to the first-stage telescopic arm 101.
For clearly describing the technical solution of the present embodiment, the present embodiment takes the extension of the telescopic bracket as an example to illustrate the working principle and the working process, and the direction indicated by the arrow a in fig. 2 is a set direction.
Specifically, when the telescopic bracket needs to be extended, the power output end of the driving mechanism 103 is in transmission connection with the lead screw 104, so as to drive the lead screw 104 to rotate around the axis of the lead screw 104, and further drive the slider 105 to move along the length direction of the lead screw 104 in the direction indicated by the arrow a, and since the workpiece 100 is fixedly connected with the slider 105, the workpiece 100 and the slider 105 can move together. Meanwhile, the slide block 105 can drive the second transmission assembly to move, so that the secondary telescopic arm 102 can move relative to the primary telescopic arm 101 along the direction indicated by the arrow a, and the secondary telescopic arm 102 and the workpiece 100 extend simultaneously, and the extending state is shown in fig. 3.
In some embodiments, the second drive assembly includes a gear 106 and a synchronous belt drive assembly, the gear 106 being coaxially connected with a drive pulley 108 of the synchronous belt drive assembly; the primary telescopic arm 101 is provided with a primary rack 111, the length direction of the primary rack 111 is consistent with that of the primary telescopic arm 101, and the primary rack 111 is matched with a gear 106 on the secondary telescopic arm 102; the synchronous belt 107 of the synchronous belt transmission component on the secondary telescopic arm connected with the first transmission component is fixedly connected with the first transmission component.
Specifically, the timing belt 107 is fixedly connected to the slider 105 through a first fixing plate 116; when the slider 105 moves along the direction indicated by the arrow a, the slider 105 can drive the synchronous belt 107 to move, and further drive the driving pulley 108 to rotate around the axis of the driving pulley, because the gear 106 is coaxially connected with the driving pulley 108, the gear 106 can also rotate around the axis of the driving pulley, so as to drive the first-stage rack 111 to move, and because the first-stage telescopic arm 101 is fixed, namely, the second-stage telescopic arm 102 is driven to move along the direction indicated by the arrow a relative to the first-stage telescopic arm 101.
Optionally, the timing belt 107 is located between the upper surface of the first fixing plate 116 and the lower surface of the sliding block 105, and the first fixing plate 116 and the sliding block 105 are fixedly connected together by a locking bolt to realize clamping fixation of the timing belt 107 and the sliding block 105.
In some embodiments, the number of the driven pulleys of the synchronous belt drive assembly is two, and the two driven pulleys are respectively a first driven pulley 109 and a second driven pulley 110, and a connection line between a circle center of the first driven pulley 109 and a circle center of the second driven pulley 110 is parallel to the length direction of the secondary telescopic arm 102. In this embodiment, a line connecting the center of the first driven pulley 109 and the center of the second driven pulley 110 is parallel to the longitudinal direction of the screw 104.
Specifically, the length of timing belt 107 between the first driven pulley 109 and the second driven pulley 110 is fixedly connected with the slider 105. Referring to fig. 1, when the telescopic bracket is in a contracted state, the slider 105 is close to the second driven pulley 110, and when the slider 105 moves in the direction indicated by the arrow a, that is, the slider 105 is close to the first driven pulley, the position where the synchronous belt 107 is connected to the slider 105 is also close to the first driven pulley, so as to drive the driving pulley 108 to rotate.
In some embodiments, the telescopic bracket further comprises a first limit switch 113 and a stop 114, the first limit switch 113 is fixedly connected to the primary telescopic arm 101, the stop 114 is fixedly connected to the secondary telescopic arm 102 adjacent to the primary telescopic arm 101, and the first limit switch 113 can contact the stop 114 to limit the maximum distance that the secondary telescopic arm 102 extends.
Optionally, the first limit switch 113 is detachably connected to the primary telescopic arm 101, so as to adjust the extending length of the secondary telescopic arm 102, and thus the total stroke of the telescopic bracket.
The first limit switch 113 in this embodiment is a contact limit switch.
In some embodiments, the first limit switch 113 and the stop 114 are both located inside the largest outer profile of the telescoping bracket. That is, the first limit switch 113 and the stopper 114 are not exposed to the outside. Specifically, as shown in fig. 4, the projection of the first limit switch 113 and the stopper 114 on the lower surface of the primary telescopic arm 101 is located inside the outer contour of the projection of the entire telescopic bracket on the lower surface of the primary telescopic arm 101.
In some embodiments, two ends of the screw 104 are respectively fixedly mounted on the secondary telescopic arm 102 through mounting seats 119; the telescopic bracket further comprises a second limit switch 115, the second limit switch 115 is fixedly connected with a mounting seat 119 close to the driving mechanism 103, and the second limit switch 115 can be in contact with the sliding block 105, so that the telescopic bracket is in a contraction state.
When the telescopic bracket needs to be retracted, the motor drives the screw rod 104 to rotate reversely, so as to drive the sliding block 105 and the workpiece 100 to retract until the second limit switch 115 contacts with the sliding block 105, and meanwhile, the secondary telescopic arm 102 is retracted, and at this time, the telescopic bracket is in a retracted state.
The second limit switch 115 in this embodiment is a contact limit switch.
In some embodiments, the second limit switch 115 is located inside the largest outer profile of the telescoping support. That is, the second limit switch 115 is not exposed to the outside.
In other embodiments, the driving mechanism is an air cylinder, the first transmission assembly includes an upper pressing plate and a lower pressing plate, the upper pressing plate is fixedly connected to a piston rod of the air cylinder, the workpiece is configured to be mounted on the upper pressing plate, and the upper pressing plate and the lower pressing plate are fixedly connected to a synchronous belt 107 of a synchronous belt transmission assembly on the secondary telescopic arm.
In this embodiment, a line connecting the center of the first driven pulley 109 and the center of the second driven pulley 110 is parallel to the extending and contracting direction of the piston rod of the cylinder. Specifically, the section of the timing belt 107 between the first driven pulley 109 and the second driven pulley 110 is fixedly connected to an upper pressure plate and a lower pressure plate, wherein the upper pressure plate is located on the upper surface of the timing belt 107, the lower pressure plate is located on the lower surface of the timing belt 107, and the upper pressure plate and the lower pressure plate are connected through a bolt to clamp the timing belt 107. When the piston rod stretches out along the arrow direction a, the upper pressure plate approaches to the first driven pulley 109, the position where the synchronous belt 107 is connected with the upper pressure plate and the lower pressure plate also approaches to the first driven pulley 109, and then the driving pulley 108 is driven to rotate, the driving pulley 108 drives the gear 106 to rotate around the axis of the gear 106, so as to drive the first-stage rack 111 to move, and since the first-stage telescopic arm 101 is fixed, the second-stage telescopic arm 102 is driven to move along the direction indicated by the arrow direction a relative to the first-stage telescopic arm 101.
The drive mechanism may be an electric cylinder or a hydraulic cylinder.
Example two
Referring to fig. 5 to 7, the present embodiment also provides a telescopic bracket, and the telescopic bracket of the present embodiment describes an embodiment when the number of the secondary telescopic arms 102 is multiple, and the technical solution of the first embodiment also belongs to the embodiment, and the description is not repeated here. The same reference numerals are used for the same components as in the first embodiment, and reference is made to the description of the first embodiment.
The telescopic bracket provided by the embodiment comprises a driving mechanism 103, a first transmission assembly, a first-stage telescopic arm 101 and a second-stage telescopic arm 102; the first-stage telescopic arm 101 is used for being fixed on the base, and the first transmission assembly is used for being connected with the workpiece 100; the secondary telescopic arm 102 is provided with a second transmission component; in this embodiment, the number of the secondary telescopic arms 102 is multiple, and the first transmission assembly is connected with the second transmission assembly on the secondary telescopic arm 102 far away from the primary telescopic arm 101; in two adjacent secondary telescopic arms 102, the secondary telescopic arm 102 far away from the primary telescopic arm 101 is connected with a second transmission assembly on the secondary telescopic arm 102 close to the primary telescopic arm 101; while the driving mechanism 103 drives the workpiece 100 to move along a set direction relative to the length direction of the secondary telescopic arm 102, the first transmission component can drive the second transmission component on the secondary telescopic arm 102 far away from the primary telescopic arm 101 to move, so that the secondary telescopic arm 102 far away from the primary telescopic arm 101 moves along the set direction relative to the primary telescopic arm 101; in two adjacent secondary telescopic arms 102, of the two adjacent secondary telescopic arms 102, the secondary telescopic arm 102 far from the primary telescopic arm 101 can move in a set direction relative to the secondary telescopic arm 102 near the primary telescopic arm 101.
Based on this structure, the telescopic bracket that this embodiment provided through setting up first transmission assembly and second transmission assembly, can realize that the flexible arm 102 of second grade is flexible simultaneously with work piece 100, and flexible process is consuming time shorter. In use, the primary telescopic arm 101 may be fixed on the base, the workpiece 100 is mounted on the first transmission assembly, when the driving mechanism 103 drives the workpiece 100 to move along a set direction relative to the length direction of the secondary telescopic arm 102, all the secondary telescopic arms 102 can move along with the workpiece 100 along the set direction relative to the primary telescopic arm 101, that is, all the secondary telescopic arms 102 extend simultaneously during the time when the driving mechanism 103 drives the workpiece 100 to extend, and all the secondary telescopic arms 102 retract simultaneously during the time when the driving mechanism 103 drives the workpiece 100 to retract.
In addition, because all the flexible arms of second grade are stretched out with the work piece simultaneously, even place telescopic bracket level, also can not appear several sections poles that exist among the prior art after stretching out, because the change of focus leads to the condition of the obvious increase of frictional force, that is to say, the utility model provides a phenomenon that blocks can not appear at flexible in-process at telescopic bracket.
The following describes the technical solution of the present embodiment by taking the number of the two-stage telescopic arms 102 as an example.
In some embodiments, the first transmission assembly comprises a screw rod 104 and a slide block 105, the driving mechanism 103 is in transmission connection with the screw rod 104, the slide block 105 is in threaded connection with the screw rod 104, and the slide block 105 can reciprocate along the length direction of the screw rod 104; the slide block 105 is used for being fixedly connected with the workpiece 100; the lead screw 104 is installed on the flexible arm 102 of second grade of keeping away from one-level flexible arm 101, and the slider 105 is connected with the second drive assembly on the flexible arm 102 of second grade of keeping away from one-level flexible arm 101, and the slider 105 can drive the second drive assembly motion on the flexible arm 102 of second grade of keeping away from one-level flexible arm 101 to make the flexible arm 102 of second grade of keeping away from one-level flexible arm 101 can be for the flexible arm 102 of second grade of being close to one-level flexible arm 101 along setting for the direction motion.
For clearly describing the technical solution of the present embodiment, the present embodiment takes the extension of the telescopic bracket as an example to illustrate the working principle and the working process, and the direction indicated by the arrow a in fig. 6 is a set direction.
Specifically, when the telescopic bracket needs to be extended, the power output end of the driving mechanism 103 is in transmission connection with the lead screw 104, so as to drive the lead screw 104 to rotate around the axis of the lead screw 104, and further drive the slider 105 to move along the length direction of the lead screw 104 in the direction indicated by the arrow a, and since the workpiece 100 is fixedly connected with the slider 105, the workpiece 100 and the slider 105 can move together. Meanwhile, the slide block 105 can also drive the second transmission assembly on the second-stage telescopic arm 102 far away from the first-stage telescopic arm 101 to move, so that the second-stage telescopic arm 102 far away from the first-stage telescopic arm 101 can move relative to the second-stage telescopic arm 102 close to the first-stage telescopic arm 101 along the direction indicated by the arrow a, and thus the two second-stage telescopic arms 102 and the workpiece 100 extend out simultaneously, and the extending state is shown in fig. 7.
In some embodiments, the second drive assembly includes a gear 106 and a synchronous belt drive assembly, the gear 106 being coaxially connected with a drive pulley 108 of the synchronous belt drive assembly; the primary telescopic arm 101 is provided with a primary rack 111, the length direction of the primary rack 111 is consistent with that of the primary telescopic arm 101, and the primary rack 111 is matched with a gear 106 on the secondary telescopic arm 102 close to the primary telescopic arm 101; a synchronous belt 107 of a synchronous belt transmission assembly on the secondary telescopic arm 102 connected with the sliding block 105 is fixedly connected with the sliding block 105 through a first fixing plate 116; the telescopic arm 102 of second grade between one-level telescopic arm 101 and the telescopic arm 102 of second grade of keeping away from one-level telescopic arm 101 is provided with second grade rack 112, in two adjacent telescopic arms 102 of second grade, the gear 106 on the telescopic arm 102 of second grade of keeping away from one-level telescopic arm 101 cooperatees with the second grade rack 112 on the telescopic arm 102 of second grade that is close to one-level telescopic arm 101, and the telescopic arm 102 of second grade of keeping away from one-level telescopic arm 101 passes through second fixed plate 117 and the hold-in range 107 fixed connection of the synchronous belt drive assembly on the telescopic arm 102 of second grade that is close to one-.
Specifically, when the slider 105 moves in the direction indicated by the arrow a, the slider 105 can drive the synchronous belt 107 to move, and further drive the driving pulley 108 to rotate around its own axis, and since the gear 106 is coaxially connected with the driving pulley 108, the gear 106 can also rotate around its own axis; the secondary telescopic arm 102 between the primary telescopic arm 101 and the secondary telescopic arm 102 far away from the primary telescopic arm 101 is provided with the secondary rack 112, that is, among all the secondary telescopic arms 102, only the secondary telescopic arm 102 far away from the primary telescopic arm 101 is not required to be provided with the secondary rack 112, and the other secondary telescopic arms 102 are provided with the secondary racks 112. In two adjacent two flexible arms 102 of second grade, keep away from gear 106 on the flexible arm 102 of second grade of one-level flexible arm 101 and be close to the flexible arm 102 of second grade on the flexible arm 112 of second grade of one-level flexible arm 101 cooperate, drive this flexible arm 102 motion of second grade close to the flexible arm 101 of one-level promptly, and the flexible arm 102 of second grade of keeping away from the flexible arm 101 of one-level passes through second fixed plate 117 and the hold-in range 107 fixed connection who is close to the hold-in range drive assembly on the flexible arm 102 of second grade of one-level flexible arm 101, thereby can drive the motion of one-level rack 111, because the flexible arm 101 of one-level is fixed, be equivalent to driving the flexible arm 102 of second grade promptly and move.
EXAMPLE III
This embodiment provides a detection device, including the detector with the utility model provides a telescopic bracket, detector and first drive assembly are connected.
This embodiment provides a detection device, owing to used the utility model provides a telescopic bracket, in the time that actuating mechanism 103 drive detector stretches out, the flexible arm 102 of second grade also stretches out simultaneously, that is to say, the detector stretches out the used time of required length and has shortened to work efficiency has been improved.
It should be noted that the detector in this embodiment may be a contact detector, such as a partial discharge detector.
It should be noted that, the detection device that this embodiment provided can also use the utility model discloses the telescopic bracket that embodiment two provided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A telescopic bracket is characterized by comprising a driving mechanism, a first transmission assembly, a primary telescopic arm and at least one secondary telescopic arm; the first-stage telescopic arm is used for being fixed on the base, and the first transmission assembly is used for being connected with a workpiece; the secondary telescopic arm is provided with a second transmission assembly;
when the number of the two-stage telescopic arms is one, the first transmission assembly is connected with the second transmission assembly; the driving mechanism drives the workpiece to move along a set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the first transmission assembly can drive the second transmission assembly to move so that the secondary telescopic arm moves along the set direction relative to the primary telescopic arm;
when the number of the secondary telescopic arms is multiple, the first transmission assembly is connected with a second transmission assembly on the secondary telescopic arm far away from the primary telescopic arm; in two adjacent secondary telescopic arms, the secondary telescopic arm far away from the primary telescopic arm is connected with the second transmission assembly on the secondary telescopic arm close to the primary telescopic arm; the driving mechanism drives the workpiece to move along a set direction relative to the length direction of the secondary telescopic arm, and meanwhile, the first transmission assembly can drive the second transmission assembly on the secondary telescopic arm far away from the primary telescopic arm to move, so that the secondary telescopic arm far away from the primary telescopic arm moves along the set direction relative to the primary telescopic arm; and in two adjacent two-stage telescopic arms, the two-stage telescopic arm far away from the one-stage telescopic arm can move along the set direction relative to the two-stage telescopic arm close to the one-stage telescopic arm.
2. The telescoping support of claim 1, wherein the second drive assembly comprises a gear and a synchronous belt drive assembly, the gear being coaxially connected with a drive pulley of the synchronous belt drive assembly;
the primary telescopic arm is provided with a primary rack, the length direction of the primary rack is consistent with that of the primary telescopic arm, and the primary rack is matched with a gear on a secondary telescopic arm close to the primary telescopic arm; a synchronous belt of a synchronous belt transmission assembly on the secondary telescopic arm connected with the first transmission assembly is fixedly connected with the first transmission assembly;
when the quantity of the flexible arm of second grade is a plurality of, the flexible arm of one-level with keep away from the flexible arm of second grade between the flexible arm of second grade of the flexible arm of one-level is provided with the second grade rack, in two adjacent flexible arms of second grade, keeps away from gear on the flexible arm of second grade of the flexible arm of one-level with be close to rack on the flexible arm of second grade of the flexible arm of one-level cooperatees, just keep away from the flexible arm of second grade of the flexible arm of one-level with be close to the hold-in range fixed connection of the hold-in range drive assembly on the flexible arm of.
3. The telescopic bracket according to claim 2, wherein the driving mechanism is a motor, and the motor is mounted on the secondary telescopic arm through a mounting plate; the first transmission assembly comprises a screw rod and a sliding block, the motor is in transmission connection with the screw rod, the sliding block is in threaded connection with the screw rod, and the sliding block can reciprocate along the length direction of the screw rod; the sliding block is used for being fixedly connected with the workpiece;
when the number of the secondary telescopic arms is one, the screw rod is arranged on the secondary telescopic arms, the sliding block is connected with the second transmission assembly, and the sliding block can drive the second transmission assembly to move, so that the secondary telescopic arms can move along the set direction relative to the primary telescopic arms;
when the quantity of the flexible arm of second grade is a plurality of, the lead screw is installed keep away from on the flexible arm of second grade of the flexible arm of one-level, the slider with keep away from second drive assembly on the flexible arm of second grade of the flexible arm of one-level connects, just the slider can drive keep away from the second drive assembly motion on the flexible arm of second grade of the flexible arm of one-level, so that keep away from the flexible arm of second grade of the flexible arm of one-level can be for being close to the flexible arm of second grade of the flexible arm of one-level is followed set for the direction motion.
4. The telescopic bracket according to claim 2, wherein the driving mechanism is an air cylinder, the first transmission assembly comprises an upper pressing plate and a lower pressing plate, the upper pressing plate is fixedly connected with a piston rod of the air cylinder, the workpiece is used for being mounted on the upper pressing plate, and the upper pressing plate and the lower pressing plate are fixedly connected on a synchronous belt of a synchronous belt transmission assembly on the secondary telescopic arm.
5. The telescopic bracket according to claim 2, wherein the number of the driven pulleys of the synchronous belt drive assembly is two, the two driven pulleys are respectively a first driven pulley and a second driven pulley, and a connecting line between the circle center of the first driven pulley and the circle center of the second driven pulley is parallel to the length direction of the secondary telescopic arm.
6. The telescopic bracket according to any one of claims 1 to 5, further comprising a first limit switch fixedly connected to the primary telescopic arm and a stop fixedly connected to the secondary telescopic arm adjacent to the primary telescopic arm, the first limit switch being contactable with the stop to define a maximum distance by which the secondary telescopic arm extends.
7. The telescoping carriage of claim 6, wherein said first limit switch and said stop are both located within the maximum outer profile of said telescoping carriage.
8. The telescopic bracket according to claim 3, wherein two ends of the screw rod are fixedly mounted on the secondary telescopic arm through mounting seats respectively;
the telescopic support further comprises a second limit switch, the second limit switch is fixedly connected with a mounting seat close to the motor, and the second limit switch can be in contact with the sliding block, so that the telescopic support is in a contraction state.
9. The telescoping carriage of claim 8, wherein the second limit switch is located inside the largest outer profile of the telescoping carriage.
10. A probe apparatus comprising a telescopic support as claimed in any one of claims 1 to 9 and a detector, the detector being connected to the first drive assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849976.0U CN210637784U (en) | 2019-10-29 | 2019-10-29 | Telescopic bracket and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849976.0U CN210637784U (en) | 2019-10-29 | 2019-10-29 | Telescopic bracket and detection device |
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| CN210637784U true CN210637784U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921849976.0U Active CN210637784U (en) | 2019-10-29 | 2019-10-29 | Telescopic bracket and detection device |
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| CN (1) | CN210637784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701466A (en) * | 2019-10-29 | 2020-01-17 | 广东科凯达智能机器人有限公司 | Telescopic bracket and detection device |
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2019
- 2019-10-29 CN CN201921849976.0U patent/CN210637784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701466A (en) * | 2019-10-29 | 2020-01-17 | 广东科凯达智能机器人有限公司 | Telescopic bracket and detection device |
| CN110701466B (en) * | 2019-10-29 | 2024-06-28 | 广东科凯达智能机器人有限公司 | Telescopic bracket and detection device |
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