CN211085182U - Arm length measuring device and wet spraying machine arm - Google Patents
Arm length measuring device and wet spraying machine arm Download PDFInfo
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- CN211085182U CN211085182U CN201922444471.2U CN201922444471U CN211085182U CN 211085182 U CN211085182 U CN 211085182U CN 201922444471 U CN201922444471 U CN 201922444471U CN 211085182 U CN211085182 U CN 211085182U
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Abstract
The utility model provides an arm body length measuring device and wet blasting machine arm body relates to the arm body and measures technical field, measures the more difficult problem design to the flexible length of the telescopic arm body for the utilization measuring device who solves among the prior art. The utility model provides an arm length measuring device, which comprises a reversing piece, a sensor mounting rack and a pull rope sensor; the reversing piece is connected to the tail end of the fixed arm of the wet spraying arm body, which is positioned at the upstream of the telescopic arm, along the extending direction of the telescopic arm of the wet spraying arm body; a pull rope of the pull rope sensor is matched with the reversing piece so that the movement direction of a pull-out end of the pull rope is consistent with the telescopic direction of the telescopic arm, and the pull-out end is fixedly connected with the telescopic arm; sensor mounting bracket fixed mounting is in the position between the both ends of fixed arm, and stay cord sensor's sensor main part fixed connection is in the sensor mounting bracket, the utility model also provides a wet blasting arm body, including fixed arm, flexible arm and foretell arm body length measuring device.
Description
Technical Field
The utility model belongs to the technical field of the arm body measuring technique and specifically relates to an arm body length measuring device and wet blasting arm body are related to.
Background
Along with social development, the application of the telescopic arm body becomes wider, and in the field of building construction, the telescopic arm body is often applied to large-scale machines such as a rock drilling jumbo, a pump truck, a wet spraying machine, a crane and an overhead working truck. The telescopic arm body can provide the flexibility of large-scale equipment construction, realizes the operation in different radius ranges, and simultaneously, the telescopic arm body has lengthened the construction scope of equipment, has reduced the produced work load of frequent mobile device.
The telescopic arm body includes fixed arm and flexible arm, follows the flexible direction of the telescopic arm body, and flexible arm mobilizable connection in the fixed arm adopts pneumatic cylinder, cylinder or electric push rod as the flexible arm reciprocating motion of driving piece drive usually to realize the flexible of flexible arm.
With the continuous advance of the automation of the equipment, the telescopic length of the telescopic arm body is required to be accurately grasped so as to determine the position state of the equipment. In the prior art, the measurement of the telescopic length of the telescopic arm body by using the measuring device is difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an arm body length measuring device and wet blasting arm body to solve the technical problem that utilizes measuring device to measure the comparison difficulty to the flexible length of the telescopic arm body among the prior art.
The utility model provides an arm body length measuring device, including switching-over piece, sensor mounting bracket and stay cord sensor.
The reversing piece is connected to the tail end, located at the upstream of the telescopic arm, of the fixed arm of the wet spraying arm body along the extending direction of the telescopic arm of the wet spraying arm body, the sensor mounting frame is fixedly mounted at a position between two ends of the fixed arm, and the sensor main body of the pull rope sensor is fixedly connected to the sensor mounting frame;
The pull rope of the pull rope sensor is matched with the reversing piece, so that the movement direction of the pull-out end of the pull rope is consistent with the telescopic direction of the telescopic arm, and the pull-out end is fixedly connected with the telescopic arm.
Further, the reversing piece comprises a reversing wheel, and the reversing wheel is rotatably connected to the fixed arm.
The pull rope is wound on the reversing wheel to change the movement direction of the pull-out end.
Furthermore, a rope pulling groove is formed in the circumferential direction of the reversing wheel, and the pulling rope is wound in the rope pulling groove.
Furthermore, the reversing piece further comprises a reversing wheel support, and the reversing wheel support is fixedly connected to the tail end.
The reversing wheel support is provided with a wheel groove, and the reversing wheel is rotatably connected to the wheel groove.
Furthermore, the reversing piece further comprises a limiting piece, the limiting pieces are arranged on two sides of the reversing wheel, and the limiting pieces are used for limiting the reversing wheel to move along the axial direction of the reversing wheel.
Further, the sensor mounting frame comprises a mounting box body and a connecting frame, the connecting frame is fixedly connected with the fixed arm, the sensor main body is fixedly mounted in the mounting box body, and the mounting box body is buckled with the connecting frame and fixedly connected with the connecting frame.
Furthermore, the installation box body is provided with a first pull rope hole, and the pull rope penetrates out of the installation box body through the first pull rope hole.
Further, the arm body length measuring device further comprises a pull rope shield, wherein the pull rope shield is arranged between the installation box body and the reversing piece and is fixedly connected to the fixing arm.
The pull rope shield is provided with a second pull rope hole for penetrating the pull rope, and the second pull rope hole is arranged corresponding to the first pull rope hole.
The utility model also provides a wet blasting machine arm body, including fixed arm, flexible arm and foretell arm body length measurement device.
Further, the wet spraying arm body further comprises a tail end shield, the tail end shield is connected to the tail end, and the reversing piece is arranged in the tail end shield.
The utility model provides an arm body length measuring device and wet blasting machine arm body bring beneficial effect is:
The utility model provides an arm length measuring device, which comprises a reversing piece, a sensor mounting rack and a pull rope sensor; the reversing piece is connected to the tail end, located at the upstream of the telescopic arm, of the fixed arm of the wet spraying arm body along the extending direction of the telescopic arm of the wet spraying arm body, the sensor mounting frame is fixedly mounted at a position between two ends of the fixed arm, and the sensor main body of the pull rope sensor is fixedly connected to the sensor mounting frame; the pull rope of the pull rope sensor is matched with the reversing piece, so that the movement direction of the pull-out end of the pull rope is consistent with the telescopic direction of the telescopic arm, and the pull-out end is fixedly connected with the telescopic arm.
By utilizing the structure, the pull rope of the pull rope sensor is matched with the reversing piece, so that the movement direction of the pull-out end of the pull rope is consistent with the telescopic direction of the telescopic arm, and the pull-out end of the pull rope is fixedly connected with the telescopic arm. When the telescopic boom stretches out, the telescopic boom drives the pull-out end of the pull rope to move towards the stretching direction, so that the pull rope is pulled out from the sensor main body, in the process, the sensor main body can detect the pull-out length of the pull rope, and the length is the stretching length of the telescopic boom. When the telescopic arm retracts, the telescopic arm drives the pull-out end of the pull rope to move towards the retracting direction, so that the pull rope retracts into the sensor main body.
The reversing piece is arranged at the tail end, and the pull-out end of the pull rope changes the movement direction through the reversing piece by the structure and can be directly connected with the telescopic arm. When this structure had guaranteed that flexible arm stretches out, flexible arm can drive the stay cord and pull out from the sensor main part, and when flexible arm retracted, the stay cord can be withdrawed in the sensor main part.
Sensor mounting bracket fixed mounting avoids the fixed arm both ends because of the unable problem of installing the sensor main part of space size problem in the position between the both ends of the fixed arm of wet blasting arm body, and the switching-over piece sets up in the tail end, and this structure makes the pull-out end of stay cord change the direction of motion through the switching-over piece, can directly be connected with flexible arm. When this structure had guaranteed that flexible arm stretches out, flexible arm can drive the stay cord and pull out from the sensor main part, and when flexible arm retracted, the stay cord can be withdrawed in the sensor main part to need not to install the great sensor main part direct mount of size in the tip of fixed arm, also can make the stay cord sensor detect flexible length of flexible arm. Therefore, the problem that the telescopic length of the telescopic arm is difficult to measure by using a measuring device in the prior art is solved.
The utility model also provides a wet blasting machine arm body, including fixed arm, flexible arm and foretell arm body length measurement device.
In the above structure, the wet blasting machine arm body includes the arm body length measuring device, and therefore, the advantages of the wet blasting machine arm body include the advantages of the above arm body length measuring device.
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 view of a partial structure of a wet spraying arm according to an embodiment of the present invention;
Fig. 2 is a second schematic view of a partial structure of a wet-spraying arm according to an embodiment of the present invention;
Fig. 3 is a third schematic view of a partial structure of a wet spraying arm according to an embodiment of the present invention;
Fig. 4 is a fourth schematic view of a partial structure of a wet-spraying arm according to an embodiment of the present invention.
Icon: 100-pull cord sensor; 110-a sensor body; 120-a pull rope; 121-pull-out end; 200-a reversing piece; 210-a reversing wheel; 211-rope pulling grooves; 220-a reversing wheel bracket; 221-a first avoiding hole; 230-a stop; 240-bolt; 250-a nut; 300-a sensor mount; 310-a connecting frame; 320-a first guy hole; 330-mounting the cartridge; 400-pull rope shield; 500-tail end shield; 600-a stationary arm; 610-tail end; 700-telescopic arm.
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.
It should be noted that in the description of the present invention, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "connected" and "attached" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be directly connected or connected through an intermediate medium; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The specific structure is shown in fig. 1-4.
The telescopic boom measuring device provided by the present embodiment, mainly referring to fig. 1 to 4, includes a direction-changing member 200, a sensor mounting bracket 300, and a pull rope sensor 100.
Along the extending direction of the telescopic arm 700 of the wet spraying arm body, the reversing piece 200 is connected to the tail end 610 of the fixed arm 600 of the wet spraying arm body, which is located at the upstream of the telescopic arm 700, the sensor mounting frame 300 is fixedly installed at a position between two ends of the fixed arm 600, and the sensor main body 110 of the pull rope sensor 100 is fixedly connected to the sensor mounting frame 300.
The pull cord 120 of the pull cord sensor 100 is engaged with the direction changer 200 such that the movement direction of the pull end 121 of the pull cord 120 coincides with the extension and contraction direction of the telescopic arm 700, and the pull end 121 is fixedly connected to the telescopic arm 700.
With the above structure, the pull cord 120 of the pull cord sensor 100 is engaged with the direction changer 200, so that the movement direction of the pull end 121 of the pull cord 120 coincides with the telescopic direction of the telescopic arm 700, and the pull end 121 of the pull cord 120 is fixedly connected to the telescopic arm 700. When the telescopic arm 700 extends, the telescopic arm 700 drives the pulling end 121 of the pulling rope 120 to move towards the extending direction, so that the pulling rope 120 is pulled out from the sensor body, and in the process, the sensor body can detect the pulling length of the pulling rope 120, and the length is the extending length of the telescopic arm 700. When the telescopic arm 700 retracts, the telescopic arm 700 drives the pulling end 121 of the pulling rope 120 to move towards the retracting direction, so that the pulling rope 120 retracts into the sensor body, and in the process, the sensor body can detect the retracting length of the pulling rope 120, wherein the retracting length is the retracting length of the telescopic arm 700.
The reversing element 200 is disposed at the tail end 610, and the structure enables the pulling end 121 of the pulling rope 120 to change the moving direction through the reversing element 200, and can be directly connected with the telescopic arm 700. This structure has guaranteed that when flexible arm 700 stretched out, flexible arm 700 can drive stay cord 120 and pull out from the sensor main part, and when flexible arm 700 retracted, stay cord 120 can be withdrawed in the sensor main part.
In an alternative technical solution of this embodiment, referring mainly to fig. 1, the fixed arm 600 has a tail end 610 and a telescopic end, along the extending direction of the telescopic arm 700, the telescopic end is located downstream of the tail end 610, the reversing element 200 is disposed at the tail end 610, the sensor main body is disposed between the telescopic end and the tail end 610, and the sensor main body is fixedly connected to the fixed arm 600.
Preferably, the sensor body is fixedly attached to the fixed arm 600, which ensures that the device has good integrity. The sensor main body is arranged between the telescopic end and the tail end 610, and the telescopic end of the fixed arm 600 and the narrow space of the tail end 610 are avoided, so that the sensor main body is ensured to have enough installation space.
In an alternative embodiment, referring mainly to fig. 1-3, the reversing element 200 includes a reversing wheel 210, and the reversing wheel 210 is rotatably connected to the fixing arm 600.
The pulling rope 120 is wound around the reversing wheel 210 to change the moving direction of the pulling end 121.
Preferably, the circumferential direction of the direction-changing wheel 210 is an arc, and the pulling rope 120 is wound around the arc surface of the direction-changing wheel 210, so that the moving direction of the pulling end 121 of the pulling rope 120 is changed, and the moving direction of the pulling end 121 of the pulling rope 120 is consistent with the stretching direction of the telescopic arm 700.
Preferably, the reversing wheel 210 is rotatably connected to the fixed arm 600, and when the telescopic arm 700 extends or retracts, the telescopic arm 700 drives the pull rope 120 to move, so that the pull rope 120 drives the reversing wheel 210 to rotate, thereby preventing friction between the pull rope 120 and the fixed arm 600 and preventing the pull rope 120 from being damaged.
In addition, the direction changing member 200 may also be a pipe with a bend, and the pulling end 121 of the pulling rope 120 penetrates through one end of the pipe, changes the movement direction through the bend, and penetrates through the other end, so as to change the movement direction of the pulling end 121 of the pulling rope 120. The reversing element 200 may alternatively be formed with other structures having a bend for guiding the pull cord 120 to change direction of movement and a slot for receiving the pull cord 120.
In an optional technical solution of this embodiment, referring mainly to fig. 3, a rope groove 211 is formed in the circumferential direction of the reversing wheel 210, and the rope 120 is wound around the rope groove 211.
Preferably, the circumferential direction of the reversing wheel 210 is provided with a rope groove 211, the rope groove 211 is used for limiting the axial movement of the pull rope 120 in the reversing wheel 210, when the telescopic arm 700 is in the telescopic process and the axial vibration of the reversing wheel 210 occurs, the limit function of the rope groove 211 is utilized to prevent the pull rope 120 from coming off from the reversing wheel 210 under the driving of the vibrating telescopic arm 700, so that the problem that the telescopic length of the telescopic arm 700 is inaccurate to measure and even the pull rope 120 is damaged due to the coming off of the pull rope 120 from the reversing wheel 210 is avoided.
Meanwhile, the pulling rope 120 is wound in the pulling rope groove 211, the contact area between the reversing wheel 210 and the pulling rope 120 is enlarged by the pulling rope groove 211, so that the sliding friction force between the pulling rope 120 and the reversing wheel 210 is increased, when the telescopic arm 700 drives the pulling rope 120 to move, the structure can ensure that the pulling rope 120 can drive the reversing wheel 210 to rotate, and the sliding friction between the pulling rope 120 and the reversing wheel 210 is avoided, so that the pulling rope 120 is prevented from being damaged due to the friction between the pulling rope 120 and the reversing wheel 210.
In an alternative technical solution of this embodiment, referring mainly to fig. 1-3, the reversing element 200 further includes a reversing wheel bracket 220, and the reversing wheel bracket 220 is fixedly connected to the tail end 610.
The reversing wheel bracket 220 has a wheel groove, and the reversing wheel 210 is rotatably connected to the wheel groove.
Specifically, the reversing wheel bracket 220 has a wheel groove, and the reversing wheel 210 is rotatably connected to the wheel groove to ensure the rotation of the reversing wheel 210. The wheel groove is arranged to protect the direction-changing wheel 210 and prevent external structures from interfering with the direction-changing wheel 210 and the pull rope 120.
Preferably, the reversing wheel bracket 220 has a first side wall, a bottom wall and a second side wall, the first side wall and the second side wall are respectively disposed at two sides of the bottom wall and are fixedly connected with the bottom wall, and the first side wall, the bottom wall and the second side wall form the wheel groove. The first side wall is provided with a first shaft hole, the second side wall is provided with a second shaft hole at a position corresponding to the first side wall, the bolt 240 sequentially penetrates through the first shaft hole, the reversing wheel 210 and the second shaft hole and is connected with the nut 250, and the reversing wheel 210 can freely rotate around the axis of the bolt 240.
In addition, the bolt 240 may be replaced by a rotating shaft or a pin shaft, and the reversing wheel 210 is inserted through the rotating shaft or the pin shaft, so that the reversing wheel 210 freely rotates around the rotating shaft or the pin shaft.
Preferably, the diverting pulley bracket 220 is welded to the fixing arm 600 to ensure the stability of the connecting structure of the diverting pulley bracket 220 and the fixing arm 600, so as to provide a stable working environment for the diverting pulley 210 and the pull rope 120.
Preferably, a first avoiding hole 221 is formed in the bottom wall of the reversing wheel bracket 220, the first avoiding hole 221 is used for avoiding the pulling rope 120, and the pulling rope 120 extending from the sensor body passes through the first avoiding hole 221 and is wound around the reversing wheel 210.
In an optional technical solution of this embodiment, referring mainly to fig. 3, the reversing element 200 further includes a limiting member 230, the limiting members 230 are disposed on both sides of the reversing wheel 210, and the limiting members 230 are used for limiting the reversing wheel 210 to move along its own axial direction.
Preferably, both sides of the direction-changing wheel 210 are provided with a limiting member 230 for limiting the movement of the direction-changing wheel 210 along its own axial direction, and in the process that the telescopic arm 700 drives the pull rope 120 to move, the shift of the direction-changing wheel 210 along its own axial direction is prevented, so that the inaccurate telescopic length of the telescopic arm 700 detected by the pull rope sensor 100, even the damage of the pull rope 120, caused by the pull rope 120 dropping off from the direction-changing wheel 210 in the moving process is avoided.
Preferably, the position-limiting member 230 is a position-limiting sleeve, two position-limiting sleeves are respectively disposed on two sides of the direction-changing wheel 210, and the bolt 240 sequentially passes through the first shaft hole, the position-limiting sleeve, the direction-changing wheel 210, the position-limiting sleeve and the second shaft hole and is connected to the nut 250. Thereby realizing that the two limit sleeves limit the movement of the reversing wheel 210 along the axial direction of the reversing wheel.
In an optional technical solution of this embodiment, referring mainly to fig. 1 and 4, the sensor mounting bracket 300 includes a mounting box 330 and a connecting frame 310, the connecting frame 310 is fixedly connected to the fixing arm 600, the sensor body 110 is fixedly mounted in the mounting box 330, and the mounting box 330 is fastened to the connecting frame 310 and is fixedly connected to the connecting frame 310.
Preferably, the pull string sensor 100 is a precision instrument, the mounting case 330 has a cavity, the sensor body 110 is disposed in the cavity, and the mounting case 330 is fastened to the connecting frame 310, so that the sensor body 110 is isolated from an external structure, and the external structure is prevented from interfering with the sensor body 110 during operation.
Preferably, the first draw-rope hole 320 is opened at the mounting box 330, the first draw-rope hole 320 is communicated with the cavity, the draw-rope 120 extending from the sensor body 110 passes through the mounting box 330 from the first draw-rope hole 320, and the draw-rope 120 is not in contact with the mounting box 330. The above structure ensures that the pulling rope 120 can smoothly pass through the mounting box 330, and prevents the pulling rope 120 from rubbing against the mounting box 330.
Preferably, the mounting box body 330 is fixed to the fixing arm 600 through the connecting frame 310, the connecting frame 310 is clamped or welded to the fixing arm 600, the connecting frame 310 has a cover plate structure, an installation part is arranged in a cavity of the mounting box body 330, a threaded hole is formed in the installation part, and after the mounting box body is buckled on the cover plate structure, a bolt is used for penetrating through the cover plate structure and being in threaded connection with the threaded hole in the installation part, so that the mounting box body 330 is fixedly connected with the connecting frame 310.
In an optional technical solution of this embodiment, referring mainly to fig. 1 and 4, the installation box 330 is provided with a first rope pulling hole 320, and the rope 120 passes through the first rope pulling hole 320 and out of the installation box 330.
Preferably, the mounting case 330 has a square case structure with an opening, the sensor body 110 is fixed on the bottom wall opposite to the opening by bolts, and the first stay wire hole 320 is opened on the side wall connected to the bottom arm.
In an alternative solution of this embodiment, referring mainly to fig. 1 and 4, the arm length measuring device further includes a pull-cord shield 400, and the pull-cord shield 400 is disposed between the mounting box 330 and the reversing element 200 and is fixedly connected to the fixing arm 600.
The pull rope shield 400 has a second pull rope hole for passing the pull rope 120, and the second pull rope hole is disposed corresponding to the first pull rope hole 320.
Preferably, the pull rope shield 400 is a hollow tubular structure, the second pull rope hole is a hollow cavity of the hollow tubular structure, the pull rope shield 400 is disposed between the installation box 330 and the reversing element 200, and one end of the second pull rope hole faces the first pull rope hole 320, and the other end faces the reversing element 200. The pulling rope 120 passes through the first pulling rope hole 320, passes through one end of the second pulling rope hole, passes through the other end of the second pulling rope hole, and extends toward the direction changing member 200.
In the above structure, the pull-cord guard 400 is used to protect the pull cord 120 between the mounting case 330 and the direction changer 200, and prevent the external structure from interfering with the pull cord 120 at this position during operation.
The embodiment further provides a wet spraying machine arm body, which comprises a fixed arm 600, a telescopic arm 700 and the arm body length measuring device.
In an optional technical solution of this embodiment, referring mainly to fig. 1, the wet spraying arm body further includes a tail end shield 500, the tail end shield 500 is connected to the tail end 610, and the reversing element 200 of the telescopic arm measuring device is disposed in the tail end shield 500.
Preferably, trailing shield 500 is disposed over trailing end 610 to prevent foreign structures from penetrating securing arm 600 from trailing end 610 and from damaging telescoping arm 700. The reversing element 200 is disposed in the tail end shield 500, and the external structure is prevented from interfering with the reversing element 200 and the pull rope 120 engaged with the reversing element 200 by the protection function of the tail end shield 500.
Preferably, a second avoiding hole is formed in the tail end shield 500 at a position corresponding to the second pull rope hole, the second avoiding hole is used for penetrating the pull rope 120, and the pull rope 120 penetrates through the second pull rope hole and penetrates into the tail end shield 500 through the second avoiding hole. The pull rope 120 passes through the bottom wall of the reversing wheel bracket 220 through the first avoiding hole 221 and is wound around the reversing wheel 210.
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 it; 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 embodiments of the present invention.
Claims (10)
1. The arm length measuring device is characterized by comprising a reversing piece (200), a sensor mounting frame (300) and a pull rope sensor (100);
The reversing piece (200) is connected to the tail end (610) of the fixed arm (600) of the wet spraying arm body, which is located at the upstream of the telescopic arm (700), along the extending direction of the telescopic arm (700) of the wet spraying arm body; the sensor mounting bracket (300) is fixedly mounted at a position between two ends of the fixing arm (600), and the sensor main body (110) of the pull rope sensor (100) is fixedly connected to the sensor mounting bracket (300);
The pull rope (120) of the pull rope sensor (100) is matched with the reversing piece (200) so that the movement direction of the pull-out end (121) of the pull rope (120) is consistent with the telescopic direction of the telescopic arm (700), and the pull-out end (121) is fixedly connected with the telescopic arm (700).
2. The arm length measuring device according to claim 1, wherein the reversing member (200) comprises a reversing wheel (210), the reversing wheel (210) being rotatably connected to the fixed arm (600);
The pull rope (120) is wound on the reversing wheel (210) to change the movement direction of the pull-out end (121).
3. The arm length measuring device according to claim 2, wherein a rope groove (211) is formed in the circumferential direction of the reversing wheel (210), and the rope (120) is wound around the rope groove (211).
4. The arm length measuring device according to claim 2, wherein the reversing member (200) further comprises a reversing wheel bracket (220), the reversing wheel bracket (220) being fixedly connected to the tail end (610);
The reversing wheel bracket (220) is provided with a wheel groove, and the reversing wheel (210) is rotationally connected with the wheel groove.
5. The arm length measuring device according to claim 4, wherein the reversing member (200) further comprises a limiting member (230), the limiting member (230) is disposed on both sides of the reversing wheel (210), and the limiting member (230) is used for limiting the reversing wheel (210) to move axially along the limiting member (230).
6. The arm length measuring device according to any one of claims 1 to 5, wherein the sensor mounting frame (300) comprises a mounting box (330) and a connecting frame (310), the connecting frame (310) is fixedly connected with the fixing arm (600), the sensor main body (110) is fixedly mounted in the mounting box (330), and the mounting box (330) is buckled with the connecting frame (310) and is fixedly connected with the connecting frame (310).
7. The arm length measuring device of claim 6, wherein the mounting box (330) is provided with a first pulling rope hole (320), and the pulling rope (120) passes through the mounting box (330) through the first pulling rope hole (320).
8. The arm length measuring device according to claim 7, further comprising a pull rope shield (400), wherein the pull rope shield (400) is disposed between the mounting box (330) and the direction changing member (200) and is fixedly connected to the fixing arm (600);
The pull rope shield (400) is provided with a second pull rope hole for penetrating the pull rope (120), and the second pull rope hole is arranged corresponding to the first pull rope hole (320).
9. A wet blasting arm comprising a fixed arm (600), a telescopic arm (700) and an arm length measuring device according to any one of claims 1 to 8.
10. The wet blasting arm of claim 9, further comprising a trailing end shield (500), wherein the trailing end shield (500) is attached to the trailing end (610), and wherein the diverter (200) is disposed within the trailing end shield (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444471.2U CN211085182U (en) | 2019-12-30 | 2019-12-30 | Arm length measuring device and wet spraying machine arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444471.2U CN211085182U (en) | 2019-12-30 | 2019-12-30 | Arm length measuring device and wet spraying machine arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211085182U true CN211085182U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922444471.2U Active CN211085182U (en) | 2019-12-30 | 2019-12-30 | Arm length measuring device and wet spraying machine arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211085182U (en) |
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2019
- 2019-12-30 CN CN201922444471.2U patent/CN211085182U/en active Active
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