CN218706080U - Speed measuring mechanism and security check machine with speed self-adapting mechanism - Google Patents
Speed measuring mechanism and security check machine with speed self-adapting mechanism Download PDFInfo
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- CN218706080U CN218706080U CN202223014139.0U CN202223014139U CN218706080U CN 218706080 U CN218706080 U CN 218706080U CN 202223014139 U CN202223014139 U CN 202223014139U CN 218706080 U CN218706080 U CN 218706080U
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Abstract
The utility model discloses a speed measuring mechanism and have its security check machine of adaptive speed, speed measuring mechanism includes encoder, gyro wheel and supporting seat, and encoder and gyro wheel all set up on the supporting seat, and the supporting seat has the motion or the trend that makes the gyro wheel on the supporting seat paste to conveying mechanism under the effect of elastic component, makes gyro wheel and conveying mechanism's conveyer belt with the same speed and transmits data to the encoder in, thereby realize testing the speed; the security inspection machine comprises a conveying mechanism, a detection mechanism and a speed measurement mechanism, wherein the conveying mechanism comprises a rack and a conveying belt, and the conveying belt is arranged on the rack and configured to convey goods; the detection mechanism is arranged on the rack and acts on the goods on the conveying belt for detection; the speed measuring mechanism is arranged on the rack and is configured to transmit a conveying belt speed signal to the detection mechanism, and the detection mechanism changes imaging parameters according to the conveying belt speed signal transmitted by the speed measuring mechanism; the conveying mechanism is intelligently linked with the detection mechanism by taking the speed measuring mechanism as a medium.
Description
Technical Field
The utility model relates to a security check field, in particular to speed measuring mechanism and have its self-adaptation speed's security check machine.
Background
In the express industry which develops day by day, the express quantity is increased rapidly, and the requirement on security check equipment is higher and higher, so that enterprises need to perform iterative update on the existing security check assembly line so as to improve the express security check efficiency. In order to save cost and reduce transformation difficulty and time, an enterprise can only replace the security inspection equipment without replacing the original conveying mechanism in the security inspection assembly line, but the upgraded security inspection equipment is not in signal connection with the conveying mechanism, so that the problem of unclear imaging due to the fact that parameters of the upgraded security inspection equipment and the upgraded conveying mechanism are not adaptive can occur. The reason is that the beam intensity of the ray source in the security inspection equipment and the sampling frequency of the detection plate are fixed, and when the speed of the conveying mechanism is changed, the imaging of the security inspection system is blurred, and even cannot be imaged.
The speed of the conveying mechanism is not always constant, and enterprises can reasonably adjust the speed of the conveying mechanism according to requirements, for example, if the situation of 'packet blockage' occurs, the speed of the conveying mechanism needs to be reduced. The existing solution is that parameters of the security inspection equipment are manually adjusted while the speed of the conveying belt is changed, which is not only troublesome, but also has the possibility of errors.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a speed measuring mechanism, encoder and gyro wheel all set up on the supporting seat, and the supporting seat receives the elastic component effect and has the gyro wheel subsides on making the supporting seat to conveying mechanism's motion or trend, makes gyro wheel and conveying mechanism's conveyer belt with fast and with data transfer to the encoder in to the realization is tested the speed.
And the conveying mechanism is intelligently linked with the detection mechanism by taking the speed measuring mechanism as a medium, and the parameters of the detection mechanism are changed along with the change of the speed of the conveying belt by a signal given by the speed measuring mechanism.
The technical scheme of the utility model is realized like this:
a speed measuring mechanism comprising:
the encoder is configured to measure and calculate the rotation speed of the roller and transmit a roller speed signal to the detection mechanism;
the roller is coaxially connected with the encoder and is configured to keep the same linear speed with the conveying belt through transmission;
the encoder and the roller are arranged on the supporting seat; the supporting seat is provided with an elastic piece and acts on the supporting seat to enable the supporting seat to move or have a movement trend, and the elastic piece is configured to enable the roller to be attached to the conveying mechanism.
The encoder and the roller are arranged on the supporting seat, the elastic piece acts on the supporting seat, so that the supporting seat, the encoder and the roller on the supporting seat can move together or have a movement trend, the roller is attached to the conveying mechanism and achieves the same speed with the conveying belt of the conveying mechanism, and the speed data of the roller is measured and calculated by the coaxial encoder so as to realize the speed measuring function.
Preferably, the elastic member is a spring.
An adaptive speed security check machine comprising:
the conveying mechanism comprises a rack and a conveying belt, and the conveying belt is arranged on the rack and is configured to convey goods;
the detection mechanism is arranged on the rack and acts on the goods on the conveying belt for detection;
the speed measuring mechanism is arranged on the rack and is configured to transmit the conveying belt speed signal to the detection mechanism, and the detection mechanism changes the imaging parameter according to the conveying belt speed signal transmitted by the speed measuring mechanism.
Preferably, the rack comprises side plates which are arranged at left and right intervals, and the speed measuring mechanism is arranged on the side plates;
the speed measuring mechanism is arranged on the machine frame below the conveying belt, one end of the elastic piece is connected with the side plate, the other end of the elastic piece is connected with the supporting seat, and the elastic piece is arranged above the supporting seat and provides upward force for the supporting seat to enable the roller to be attached to the conveying mechanism.
Preferably, the side plate is provided with an installation adjusting hole, and the supporting seat is installed at the installation adjusting hole;
the supporting seat and the roller can move in the mounting adjusting hole along the vertical direction under the action of the elastic piece.
The speed measuring mechanism is arranged on the side plate and is not fixed, because the roller needs to be tightly attached to a conveying belt or a certain supporting roller in the conveying mechanism, if the speed measuring mechanism is fixed, the roller is difficult to be tightly attached to the conveying mechanism and is difficult to be arranged; through the installation regulation hole, make the speed measurement mechanism have movable space in vertical direction, make the gyro wheel can paste the speed measurement mechanism through the elastic component.
Preferably, the support seat is provided with a waist-shaped hole, and the waist-shaped hole is configured to enable the support seat to move in the vertical direction after the support seat is installed on the side plate. Waist type hole is used for the cooperation installation regulation hole, makes the supporting seat can move in vertical direction.
Preferably, the roller and the encoder are respectively positioned at the left side and the right side of the side plate.
Preferably, the conveying mechanism further includes:
the driving roller is arranged on the rack, and the conveying belt is wound on the driving roller and is driven by the driving roller to move;
and the carrier roller group is arranged on the frame, and the conveying belt is tightened by the carrier roller group.
Preferably, the carrier roller group comprises an upper carrier roller and a lower carrier roller, and the upper carrier roller and the lower carrier roller rotate along with the movement of the conveying belt;
the upper carrier roller is positioned between the conveyer belts and enables the conveyer belts to be tightened downwards, and the lower carrier roller is positioned below the conveyer belts and enables the conveyer belts to be tightened upwards;
the speed measuring mechanism is arranged below the lower carrier roller, the roller contacts the lower carrier roller, and the roller and the lower carrier roller are in friction transmission.
Preferably, the outer layer of the roller is a rubber layer.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
1. the conveying mechanism and the detection mechanism are intelligently linked together through the speed measuring mechanism, when the speed of the conveying belt changes, the imaging parameters of the detection mechanism do not need to be manually adjusted, but the speed signal given by the speed measuring mechanism enables the detection mechanism to be automatically adjusted, so that the safety inspection machine is simpler and more convenient and is more accurate, the imaging effect of the safety inspection machine is better, and the problem of imaging fuzziness can not occur.
2. The speed measuring mechanism is simple in integral structure, does not have a complex sensor or a precise instrument and the like, and therefore, the speed measuring mechanism is convenient for field modification and installation of a plurality of finished product security inspection machines, and greatly saves cost.
3. The encoder and the roller are arranged on the supporting seat, the elastic piece acts on the supporting seat, so that the supporting seat, the encoder and the roller on the supporting seat can move together or have a movement trend, the roller is attached to the conveying mechanism and achieves the same speed with the conveying belt of the conveying mechanism, and the speed data of the roller is measured and calculated by the coaxial encoder so as to realize the speed measuring function.
4. Because security check machine space is limited, for the installation of convenient speed-measuring mechanism to and prevent that the conveyer belt from damaging, simultaneously because the snub pulley all is direct contact with conveyer belt, gyro wheel, the linear velocity is the same, consequently, the utility model discloses utilize gyro wheel and snub pulley friction drive to make the gyro wheel can accurately obtain the speed of conveyer belt, thereby avoid above-mentioned adverse effect.
Drawings
Fig. 1 is a schematic perspective view of a security inspection machine with adaptive speed according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an adjustable carrier roller, a sliding groove and a sliding block of the security inspection machine according to the embodiment of the present invention;
fig. 3 is a cross-sectional view of the security inspection machine in an embodiment of the present invention;
fig. 4 is a schematic perspective view of the embodiment of the present invention, in which the speed measuring mechanism is mounted on the side plate;
fig. 5 is a schematic perspective view of the speed measuring mechanism according to the embodiment of the present invention.
The figures are numbered: a conveying mechanism 1; a frame 2; a conveyor belt 3; a detection mechanism 4; a speed measuring mechanism 5; an encoder 51; a roller 52; a support base 53; a kidney-shaped hole 54; an elastic member 56; a drive roller 6; an upper carrier roller 7; a lower carrier roller 8; an adjustable carrier roller 9; an end idler 10; a chute 11; a slider 12; a side plate 13; adjustment holes 14 are installed.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The specific implementation manner of the utility model is as follows:
as shown in fig. 5, the utility model provides a speed measuring mechanism, include:
an encoder 51 configured to measure the rotational speed of the roller 52 and transmit a speed signal of the roller 52 to the detecting mechanism 4;
a roller 52 coaxially connected to the encoder 51, the roller 52 being configured to maintain the same linear velocity as the conveyor belt 3 through transmission;
the encoder 51 and the roller 52 are both arranged on the supporting seat 53; the support base 53 is provided with an elastic member 56 and acts on the support base 53 to move or have a movement tendency of the support base 53, and the elastic member 56 is configured to make the roller 52 adhere to the conveying mechanism 1.
As shown in fig. 1 and 2, there is further provided an adaptive speed security check machine, including:
the conveying mechanism 1 comprises a rack 2 and a conveying belt 3, wherein the conveying belt 3 is arranged on the rack 2 and is configured to convey goods;
the detection mechanism 4 is arranged on the rack 2 and acts on the goods on the conveying belt 3 for detection;
the speed measuring mechanism 5 is installed on the frame 2 and configured to transmit the speed signal of the conveying belt 3 to the detecting mechanism 4, and the detecting mechanism 4 changes the imaging parameter according to the speed signal of the conveying belt 3 transmitted by the speed measuring mechanism 5.
Through the link together of 5 mechanisms that test the speed of 5 with conveying mechanism 1 and detection mechanism 4 intelligence, when 3 speed changes on the conveyer belt, need not artifical manual adjustment detection mechanism 4's parameter, but the speed signal who gives by 5 mechanisms that test the speed makes detection mechanism 4 adjust by oneself, and is also more accurate when simple and convenient more, just also makes this security check machine's formation of image effect better, the fuzzy problem of formation of image can not appear.
As shown in fig. 2 and 3, the conveying mechanism 1 is horizontally arranged on the ground as a whole and is supported by the frame 2 as a main body, the frame 2 comprises side plates 13 arranged at left and right intervals, and the speed measuring mechanism 5 is arranged on the side plates 13; the conveying mechanism 1 further comprises a driving roller 6 and a carrier roller group, wherein the driving roller 6 is arranged on the frame 2 and is positioned at the front end part or the rear end part of the frame 2, and in the embodiment, the driving roller 6 is arranged at the front end part of the frame 2; the carrier roller group is also arranged on the frame 2 and comprises an upper carrier roller 7, a lower carrier roller 8, an adjustable carrier roller 9 and an end carrier roller 10, the end carrier roller 10 is arranged at the rear end of the frame 2, the adjustable carrier roller 9 is arranged beside the driving roller 6, and the adjustable carrier roller 9 can selectively move along the length direction of the frame 2; the upper carrier rollers 7 and the lower carrier rollers 8 are arranged between the adjustable carrier rollers 9 and the end carrier rollers 10, and the number of the upper carrier rollers 7 is two, and the upper carrier rollers are arranged in the middle of the rack 2 at intervals; the number of the lower carrier rollers 8 is three, the lower carrier rollers are respectively arranged beside the end carrier roller 10 and beside the two upper carrier rollers 7, and the heights of the two upper carrier rollers 7 are lower than the heights of the lower carrier rollers 8; the conveying belt 3 is encircled on the driving roller 6 and the carrier roller group, the driving roller 6 drives the conveying belt 3 to move, and the carrier roller group tightens the conveying belt 3; further, a driving roller 6, an upper carrier roller 7, a lower carrier roller 8 and an adjustable carrier roller 9 are all arranged between the two side plates 13.
Specifically, the upper carrier roller 7 and the lower carrier roller 8 rotate along with the movement of the conveyer belt 3, the upper carrier roller 7 is positioned between the conveyer belts 3 and enables the conveyer belts 3 to be tightened downwards, and the lower carrier roller 8 is positioned below the conveyer belts 3 and enables the conveyer belts 3 to be tightened upwards; the adjustable carrier roller 9 is also positioned below the conveyer belt 3, two sliding grooves 11 arranged along the length direction of the frame 2 are respectively arranged on the two side plates 13, a sliding block 12 which is adjusted by rotating a screw is arranged at the sliding groove 11, and the adjustable carrier roller 9 is connected to the sliding block 12; the position of the slide block 12 in the chute 11 is adjusted by rotating the screw, and the relative position of the adjustable carrier roller 9 and the conveying belt 3 is adjusted by the screw, so that the tightness of the conveying belt 3 is adjusted by the adjustable carrier roller 9.
Further, as shown in fig. 2-4, the roller 52, as a component for acquiring the speed of the conveyor belt 3, can contact with the conveyor belt 3 to perform friction transmission, and can also contact with the lower carrier roller 8 exposed outside the conveyor belt 3 to perform friction transmission, because the space of the security inspection machine is limited, the installation of the speed measuring mechanism 5 is facilitated, and the conveyor belt 3 is prevented from being damaged, and meanwhile, because the lower carrier roller 8 is in direct contact with the conveyor belt 3 and the roller 52, the linear speed is the same, therefore, the roller 52 can accurately obtain the speed of the conveyor belt 3 by using the friction transmission of the roller 52 and the lower carrier roller 8, thereby avoiding the above adverse effects.
Specifically, as shown in fig. 3-5, the speed measuring mechanism 5 is mounted on the frame 2 below the conveyor belt 3 and located on one of the two side plates 13, the side plate 13 is provided with a mounting adjustment hole 14, a support seat 53 of the speed measuring mechanism 5 is mounted at the mounting adjustment hole 14, the rollers 52 are coaxially connected with the encoder 51 and located on the left and right sides of the support seat 53, respectively, when the support seat 53 is mounted in the mounting adjustment hole 14, the rollers 52 pass through the mounting adjustment hole 14 to reach the lower support roller 8, and the rollers 52 and the encoder 51 are located on the left and right sides of the side plate 13, respectively; the number of the elastic pieces 56 is two, the two elastic pieces 56 are arranged in tandem at intervals in the front-back direction, the lower end parts of the two elastic pieces 56 are arranged on the supporting seat 53, the upper end parts of the two elastic pieces 56 are arranged on the side plate 13 and provide upward force for the supporting seat 53, and the supporting seat 53 is movable in the vertical direction in the installation adjusting hole 14 due to the fact that the installation adjusting hole 14 is roughly oval, and the roller 56 is attached to the lower carrier roller 8 from bottom to top by matching with the elastic pieces; the supporting seat 53 is also provided with a kidney-shaped hole 54, the supporting seat 53 is installed on the side plate 13 and penetrates through the side plate 13 to enter the kidney-shaped hole 54 through a bolt, and the kidney-shaped hole 54 is matched with the installation adjusting hole 14, so that the supporting seat 53 can move on the side plate 13; after the roller 52 is attached to the lower carrier roller 8, the encoder 51 is in electrical signal connection with the detection mechanism 4, when the conveyor belt 3 moves, the lower carrier roller 8 in contact with the roller 52 rotates along with the roller, the lower carrier roller 8 and the roller 52 are in friction transmission, so that the roller 52 rotates, because the roller 52 is coaxially connected with the encoder 51, the encoder 51 can acquire the rotating speed of the roller 52 when the roller 52 rotates, the linear speed of the roller 52, namely the moving speed of the conveyor belt 3, is obtained through calculation, the speed signal is transmitted to the detection mechanism 4, and the detection mechanism 4 changes imaging parameters according to the speed signal.
The detection mechanism 4 is located in the middle of the frame 2, and the specific structure is disclosed in the previous patent and is not described herein.
Claims (10)
1. A speed measuring mechanism, comprising:
the encoder is configured to measure and calculate the rotation speed of the roller and transmit a roller speed signal to the detection mechanism;
the roller is coaxially connected with the encoder and is configured to keep the same linear speed with the conveying belt through transmission;
the encoder and the roller are arranged on the supporting seat; the supporting seat is provided with an elastic part and acts on the supporting seat to enable the supporting seat to move or have a movement trend, and the elastic part is configured to enable the roller to be attached to the conveying mechanism.
2. A speed measurement mechanism according to claim 1, wherein:
the elastic element is a spring.
3. A speed-adaptive security check machine, comprising:
the conveying mechanism comprises a rack and a conveying belt, and the conveying belt is arranged on the rack and configured to convey goods;
the detection mechanism is arranged on the rack and acts on the goods on the conveying belt for detection;
a tachometer mechanism as claimed in claim 1 or 2 mounted on the frame and configured to transmit the conveyor belt speed signal to the detection mechanism by varying the imaging parameters in response to the conveyor belt speed signal transmitted by the tachometer mechanism.
4. The adaptive speed security check machine of claim 3, wherein:
the rack comprises side plates which are arranged at left and right intervals, and the speed measuring mechanism is arranged on the side plates;
the speed measuring mechanism is arranged on the machine frame below the conveying belt, one end of the elastic piece is connected with the side plate, the other end of the elastic piece is connected with the supporting seat, and the elastic piece is arranged above the supporting seat and provides upward force for the supporting seat to enable the roller to be attached to the conveying mechanism.
5. The adaptive speed security inspection machine of claim 4, wherein:
the side plate is provided with an installation adjusting hole, and the supporting seat is installed at the installation adjusting hole;
the supporting seat and the roller can move in the vertical direction in the mounting adjusting hole under the action of the elastic piece.
6. The adaptive speed security check machine of claim 5, wherein:
be equipped with waist type hole on the supporting seat, waist type hole configuration is after the supporting seat is installed on the curb plate, and the supporting seat still can carry out vertical direction's removal.
7. The adaptive speed security inspection machine of claim 4, wherein:
the roller and the encoder are respectively positioned at the left side and the right side of the side plate.
8. The adaptive speed security check machine of claim 3, wherein:
the conveying mechanism further comprises:
the driving roller is arranged on the rack, and the conveying belt is wound on the driving roller and is driven by the driving roller to move;
and the carrier roller group is arranged on the frame, and the conveying belt is tightened by the carrier roller group.
9. The adaptive speed security check machine of claim 5, wherein:
the carrier roller group comprises an upper carrier roller and a lower carrier roller, and the upper carrier roller and the lower carrier roller rotate along with the movement of the conveying belt;
the upper carrier roller is positioned between the conveyer belts and enables the conveyer belts to be tightened downwards, and the lower carrier roller is positioned below the conveyer belts and enables the conveyer belts to be tightened upwards;
the speed measuring mechanism is arranged below the lower carrier roller, the roller contacts the lower carrier roller, and the roller and the lower carrier roller are in friction transmission.
10. The adaptive speed security check machine of claim 3, wherein:
the outer layer of the roller is a rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014139.0U CN218706080U (en) | 2022-11-11 | 2022-11-11 | Speed measuring mechanism and security check machine with speed self-adapting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014139.0U CN218706080U (en) | 2022-11-11 | 2022-11-11 | Speed measuring mechanism and security check machine with speed self-adapting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218706080U true CN218706080U (en) | 2023-03-24 |
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ID=85616745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223014139.0U Active CN218706080U (en) | 2022-11-11 | 2022-11-11 | Speed measuring mechanism and security check machine with speed self-adapting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218706080U (en) |
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2022
- 2022-11-11 CN CN202223014139.0U patent/CN218706080U/en active Active
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