CN212153213U - Weight-measuring tire-breaking device - Google Patents
Weight-measuring tire-breaking device Download PDFInfo
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- CN212153213U CN212153213U CN201922336952.1U CN201922336952U CN212153213U CN 212153213 U CN212153213 U CN 212153213U CN 201922336952 U CN201922336952 U CN 201922336952U CN 212153213 U CN212153213 U CN 212153213U
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Abstract
The utility model discloses a weight measuring tire breaking device, including lever plate, fulcrum, weight measuring plate, depression bar, broken child board, first backup pad, start needle, broken child needle, lockplate, locking spring and second backup pad down. When the vehicle moves onto the weight measuring plate, the state of the tire breaking needle can be controlled according to the vehicle weight, and the tire breaking needle is exposed and can be locked when the vehicle is overweight, so that the tire is broken when the vehicle moves onto the tire breaking plate, and finally the vehicle stays at the reset plate to wait for treatment; the vehicle can smoothly leave from the weight measuring tire breaking device under the condition of no overweight; the whole equipment adopts pure mechanical control, does not need a program and has low failure rate.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a weight measuring tire breaking device belongs to the road maintenance field.
[ background of the invention ]
Vehicle overload transportation is a ubiquitous problem, and is great to the road surface damage, also causes the road surface to collapse simultaneously easily, has very big potential safety hidden danger. However, all vehicles are difficult to be effectively monitored by means of traffic police, and especially, the hidden overload phenomenon of some road sections is serious, so that a plurality of problems exist in the actual monitoring process.
[ Utility model ] content
The utility model aims to solve the technical problem that overcome prior art not enough and provide a broken child device of check weighing of effectively detecting overload, active restriction overload.
Solve the technical problem, the utility model discloses a following technical scheme:
a weight measuring and tire breaking device comprises a lever plate, a fulcrum, a weight measuring plate, a lower pressure rod, a tire breaking plate, a first support plate, a starting needle, a tire breaking needle, a lock plate, a locking spring and a second support plate, wherein the middle of the lever plate is supported on the fulcrum, the fulcrum is placed on the ground, the weight measuring plate is arranged above the left end of the lever plate, the upper end of the lower pressure rod is propped against the bottom surface of the weight measuring plate, the lower end of the lower pressure rod is pressed at the left end of the lever plate, the tire breaking plate is arranged above the right end of the lever plate, the first support plate is arranged between the tire breaking plate and the ground, the tire breaking plate is supported on the first support plate, the starting needle is arranged at the right end of the lever plate and above the lever plate, the tire breaking needle is arranged on the part of the lever plate on the right side of the fulcrum, the lock plate is arranged below the tire breaking plate, the lock hole is formed in the lock plate, the, the locking spring sets up between lockplate and first backup pad, and the second backup pad is installed on first backup pad, and the lockplate supports in the second backup pad, promotes the lockplate and moves towards the locking spring when starting the needle and shift up, and locking spring and start the needle cooperation are in order to drive locking hole edge lateral wall business turn over in first locking groove department, offer the broken child hole that supplies the business turn over of broken child needle upper end on the broken child board.
The utility model discloses still include a reset spring, a reset spring sets up between check weighing board and ground.
Lockplate passes through the relative ground height of second backup pad and fixes.
The utility model discloses still including broken child spring, the lower extreme setting of broken child spring is on the part that the lever plate is located the fulcrum right side, and the upper end of broken child spring is pressed on broken child needle.
The start needle includes the needle bar and fixes the syringe needle in the needle bar upper end, is provided with the second locking groove on the outer wall of broken child needle, and the second locking groove is located the below in first locking groove, and when locking hole edge lateral wall was located the second locking groove, the lockplate blocked the start needle.
The utility model discloses still including the board that resets, the ejector pin that resets, wedge and the second reset spring that resets, the board that resets sets up on the right side of broken child board, and second reset spring sets up on ground and between the board that resets, and the wedge that resets sets up in the bottom surface of the board that resets, and the ejector pin that resets supports in the second backup pad, and the both ends of the ejector pin that resets are laminated respectively when on wedge and the lockplate that resets, and the board that resets moves down so that the wedge that resets promotes the lockplate and move towards locking spring.
The upper end of depression bar is fixed with the bottom surface of survey heavy plate down, and the lower extreme of depression bar rotates the left end that sets up at the lever board down.
The needle bar of the utility model is a telescopic needle bar.
The lower extreme of broken child spring rotates and installs on the lever board, and the lower extreme at broken child needle is fixed to broken child spring's upper end.
Second backup pad level sets up, and the spout has been seted up to the upper surface of second backup pad, and the bottom of lockplate is provided with the slider, and the slider cunning is in the spout to make the lockplate fix a position in the second backup pad along vertical direction.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when a vehicle moves onto the weight measuring plate, the state of the tire breaking needle can be controlled according to the vehicle weight, the tire breaking needle is exposed when the vehicle is overweight, and can be locked, so that the tire is broken when the vehicle moves onto the tire breaking plate, after the vehicle breaks the tire, the tire breaking needle returns to the original position when the vehicle passes through the rear reset plate, and the vehicle with the broken tire can continuously move forward and drive away from the area where the tire breaking needle is located, but the vehicle cannot drive for a long distance due to the air leakage of the vehicle tire;
2. the vehicle can smoothly leave from the weight measuring tire breaking device under the condition of no overweight;
3. the whole equipment adopts pure mechanical control, does not need a program and has low failure rate.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic sectional structure view of a tire weight measuring and breaking device (state one) according to an embodiment of the present invention;
fig. 2 is a schematic sectional structure view of a tire weight measuring and breaking device (state two) according to an embodiment of the present invention;
fig. 3 is a schematic sectional structure view of a tire weight measuring and breaking device (state three) according to an embodiment of the present invention;
fig. 4 is a schematic view of a cross-sectional structure of a tire weight measuring and breaking device (state four) according to an embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Example (b):
referring to fig. 1-4, the present embodiment provides a weight-measuring tire-breaking device, which includes a lever plate 1, a fulcrum 2, a weight-measuring plate 3, a lower press bar 4, a tire-breaking plate 5, a first support plate 6, a start pin 7, a tire-breaking pin 8, a lock plate 9, a lock spring 10, a second support plate 11, a first return spring 13, a tire-breaking spring 16, a return plate 17, a return ejector pin 18, a return wedge 19, and a second return spring 20.
Wherein the road surface indent forms a pothole, and the ground of pothole bottom is a horizontal plane, and whole weight measuring tire-breaking device is installed in the pothole, and weight measuring board 3, tire-breaking board 5 and board 17 that resets set gradually at pothole top opening part from left to right along the vehicle direction of travel, and weight measuring board 3, tire-breaking board 5 and the equal level setting of board 17 that resets.
First reset spring 13 is vertical to be set up between the ground of check weighing board 3 and pot hole bottom, and first reset spring 13 supports check weighing board 3, and first reset spring 13 deformation is in order to change the vertical height of check weighing board 3 in the pot hole. The broken child board 5 supports on first backup pad 6, and first backup pad 6 is vertical to be set up between broken child board 5 and the ground of pothole bottom, so broken child board 5 is unchangeable at the vertical height in the pothole. The second return spring 20 is vertically arranged between the ground in the pit and the reset plate 17, the second return spring 20 supports the reset plate 17, and the second return spring 20 deforms to change the vertical height of the reset plate 17 in the pit.
The fulcrum 2 is placed on the ground at the bottom of the pot hole, and the fulcrum 2 is positioned right below the weight measuring plate 3. The middle part of the lever plate 1 is supported on the fulcrum 2, and the lever plate 1 can rotate around the fulcrum 2. Survey heavy plate 3 sets up directly over 1 left end of lever plate, and the upper end top of holding down rod 4 is on the bottom surface of surveying heavy plate 3, and the lower extreme pressure of holding down rod 4 is at 1 left end of lever plate, and the depression bar 4 is pushed down to the weight measuring plate 3 down, and the depression bar 4 promotes 1 left end of lever plate and rotates downwards, and 1 right-hand member of lever plate upwards rotates simultaneously. Otherwise, the right end of the lever plate 1 rotates downwards to drive the left end of the lever plate 1 to rotate upwards, and the lower pressing rod 4 and the weight measuring plate 3 are jacked up.
Preferably, in order to avoid the separation of the upper end of the lower pressing rod 4 and the bottom surface of the weight measuring plate 3, the transmission effect between the lower pressing rod 4 and the weight measuring plate 3 is ensured, and the upper end of the lower pressing rod 4 and the bottom surface of the weight measuring plate 3 are fixed in consideration of the fact that the lower pressing rod 4 and the weight measuring plate 3 both move in the vertical direction.
In addition, the lever plate 1 rotates around the fulcrum 2, and the lower pressing rod 4 moves in the vertical direction, so that the lower end of the lower pressing rod 4 rotates to be arranged at the left end of the lever plate 1, and effective transmission is performed between the lower pressing rod 4 and the lever plate 1.
The right end of the lever plate 1 extends to the lower part of the tire breaking plate 5. The starting needle 7 is arranged at the right end of the lever plate 1 and is positioned above the lever plate 1, and the lever plate 1 and the starting needle 7 synchronously rotate. The puncture needle 8 is kept vertically arranged, and the puncture needle 8 is positioned above the puncture spring 16. The lower end of the tire breaking spring 16 is arranged on the part, located on the right side of the fulcrum 2, of the lever plate 1, the upper end of the tire breaking spring 16 is pressed on the bottom end of the tire breaking needle 8, and the lever plate 1 plays a supporting role for the tire breaking needle 8 through the tire breaking spring 16. The tire breaking needle 8 and the starting needle 7 are both positioned right below the tire breaking plate 5.
The tire breaking needle 8 can only move along the vertical direction, and the lever plate 1 needs to rotate, so that the structure is similar to that of the lower pressing rod 4, the lower end of the tire breaking spring 16 is rotatably installed on the lever plate 1, and the upper end of the tire breaking spring 16 is fixed at the lower end of the tire breaking needle 8. The tire breaking spring 16 enables the tire breaking needle 8 to keep a horizontal direction position fixed and move in a vertical direction under the condition that the lever plate 1 rotates.
The second support plate 11 is fixedly mounted on the first support plate 6 so that the second support plate 11 is disposed below the tire puncturing plate 5, and the lever plate 1 is located below the second support plate 11. The second support plate 11 is horizontally disposed, and the right end of the second support plate 11 extends to below the reset plate 17. Wherein the rotation plane of the lever plate 1 and the actuating pin 7 is a vertical plane. The tire breaking needle 8 penetrates through the second support plate 11 in the vertical direction, so that the tire breaking needle 8 is guided and limited by the second support plate 11. The actuating pin 7 is offset from the second support plate 11 in the horizontal direction, so that the actuating pin 7 is retracted from the second support plate 11 during rotation.
The locking plate 9 is supported on the second support plate 11, and the reset plunger 18 is also supported on the second support plate 11. The locking plate 9 is positioned below the tire breaking plate 5, the left end of the reset mandril 18 is positioned below the tire breaking plate 5, and the right end of the reset mandril 18 is positioned below the reset plate 17.
The locking plate 9 and the reset ram 18 have a given travel track and are of constant vertical height. The spout has been seted up to the upper surface of second backup pad 11, and the bottom of lockplate 9 and the bottom of the ejector pin 18 that resets all are provided with the slider, and the slider sliding connection is in the spout, and the slider is blocked along vertical direction to the spout lateral wall to make lockplate 9 and the ejector pin 18 that resets all fix a position on second backup pad 11 along vertical direction, can carry out horizontal rectilinear movement along the spout axial simultaneously.
The reset mandril 18 and the starting needle 7 both have the function of pushing the locking plate 9 to move horizontally, and in order to avoid mutual interference between the reset mandril 18 and the starting needle 7, the reset mandril 18 and the starting needle 7 are staggered in the horizontal direction.
The reset ram 18 is located on the right side of the locking plate 9 and the locking spring 10 is located on the left side of the locking plate 9. The locking spring 10 is horizontally arranged between the locking plate 9 and the first support plate 6, two ends of the locking spring 10 are respectively fixed on the left side edge of the locking plate 9 and the right side surface of the first support plate 6, the locking spring 10 is positioned above the second support plate 11, and the second support plate 11 supports the locking spring 10.
The starting needle 7 comprises a needle rod and a needle head fixed at the upper end of the needle rod, and the lower end of the needle rod is fixed with the right end of the lever plate 1. The needle rotating from below the locking plate 9 to above the locking plate 9 will act on the right edge of the locking plate 9, pushing the locking plate 9 towards the first support plate 6, thereby compressing the locking spring 10. The movement of the reset ram 18 to the left also pushes the locking plate 9 towards the first support plate 6, compressing the locking spring 10.
The middle of the locking plate 9 is provided with a locking hole 12, the tire breaking needle 8 penetrates through the locking hole 12, the outer wall of the left side of the tire breaking needle 8 is provided with a first locking groove 14 and a second locking groove 21, the second locking groove 21 is located under the first locking groove 14, and the edge side wall of the left side of the locking hole 12 enters and exits at the first locking groove 14 or the second locking groove 21. The dimensions and shapes of the first locking groove 14, the second locking groove 21 and the outer wall of the tire puncturing needle 8 determine the movable range of the locking plate 9 on the second support plate 11.
The broken tyre plate 5 is provided with a broken tyre hole 15 for the upper end of the broken tyre needle 8 to pass in and out, the edge of the broken tyre hole 15 is rotatably provided with a dustproof movable cover, the dustproof movable cover is used for preventing garbage from blocking the broken tyre hole 15 when being closed on the broken tyre hole 15, and the upper end of the broken tyre needle 8 can extend out of the broken tyre hole 15 when the broken tyre hole 15 is opened. The dustproof movable cover is linked with the tire breaking needle 8, the dustproof movable cover can be driven to be gradually opened when the tire breaking needle 8 rises, and the dustproof movable cover can be driven to cover the tire breaking hole 15 when the tire breaking needle 8 descends. The tire breaking hole 15 projects to the tire breaking needle 8 along the vertical direction, and when the upper end of the tire breaking needle 8 is exposed out of the tire breaking hole 15, the tire is punctured and deflated.
The reset wedge block 19 is fixedly arranged on the bottom surface of the reset plate 17, and the reset plate 17 drives the reset wedge block 19 to move up and down when moving up and down. When the two ends of the reset ejector rod 18 are respectively attached to the reset wedge block 19 and the locking plate 9, the reset plate 17 moves downwards so that the reset wedge block 19 pushes the reset ejector rod 18 and the locking plate 9 to move towards the locking spring 10.
Next, the operation of the weight measuring and tire breaking device in the operation will be described:
in the first state, no vehicle passes through, the weight measuring plate 3, the tire breaking plate 5 and the reset plate 17 are in the same plane, the upper end of the tire breaking needle 8 does not expose the tire breaking hole 15, and the left side edge side wall of the locking hole 12 is inserted into the first locking groove 14 under the action of the locking spring 10. The needle is now below the locking plate 9 and the right edge of the locking plate 9 abuts the left edge of the reset plunger 18, but there is no pressure between the locking plate 9 and the reset plunger 18. The right edge of the reset plunger 18 contacts the reset wedge 19, and there is no pressure between the reset plunger 18 and the reset wedge 19.
In the second state, when a vehicle travels to the weight measuring plate 3, the weight measuring plate 3 and the lower pressing rod 4 move downwards to press the first return spring 13 and the left end of the lever plate 1, so as to push the starting needle 7 to upwarp. If the vehicle is not overweight, the needle head of the starting needle 7 is not contacted with the right edge of the locking plate 9, or as shown in fig. 2, the needle head of the starting needle 7 pushes the locking plate 9 to move leftwards to press the locking spring 10, the left edge side wall of the locking hole 12 is separated from the first locking groove 14, the tire breaking needle 8 keeps a vertical state under the limiting action of gravity and the second supporting plate 11 and moves upwards under the tilting action of the lever plate 1, but the upper end of the tire breaking needle 8 is not exposed out of the tire breaking hole 15, and the reset ejector rod 18 does not move. Then the vehicle moves to the tire-breaking plate 5 from the weight-measuring plate 3, the weight-measuring plate 3 resets under the action of the reset spring 13, and the lever plate 1, the tire-breaking needle 8 and the lower pressing rod 4 are driven to reset. During the resetting process, the left side edge side wall of the locking hole 12 and the first locking groove 14 are gradually aligned again, and then the left side edge side wall of the locking hole 12 is pushed to the first locking groove 14 again by the resetting action of the locking spring 10 to be locked, and the state I condition is restored again. Then the vehicle travels from the tire breaking plate 5 to the reset plate 17, causing the reset plate 17 to move down, so that the second reset spring 20 is deformed, and simultaneously the reset wedge block 19 pushes the reset ejector pin 18 and the lock plate 9 to the right to press the lock spring 10, the left edge side wall of the lock hole 12 is again separated from the first lock groove 14, but since the lever plate 1 is not rotated, the tire breaking needle 8 is not moved. After the vehicle leaves the reset plate 17, the second reset spring 20 drives the reset plate 17 and the reset wedge-shaped block 19 to reset, and meanwhile, the locking spring 10 also pushes the reset mandril 18 and the locking plate 9 to move rightwards again, and the left edge side wall of the locking hole 12 enters the first locking groove 14 again. Therefore, the vehicle can smoothly pass through the weight measuring and tire breaking device under the condition of no overweight.
When the vehicle is overweight, the vehicle will change from state two to state three when moving to the weight plate 3. In the third state, the weight measuring plate 3 and the lower pressing rod 4 move downwards for a certain distance, the lever plate 1 rotates for a certain angle, and the needle head of the starting needle 7 gradually rotates from the lower part of the locking plate 9 to the upper part of the locking plate 9. The needle will first contact and then separate from the right edge of the locking plate 9. The contact of the needle head with the right edge of the locking plate 9 pushes the locking plate 9 to move leftwards, the left side edge side wall of the locking hole 12 is unlocked with the first locking groove 14, and the puncture needle 8 moves upwards. The syringe needle upwards rotates to the right side edge separation with lockplate 9 in the twinkling of an eye, lockplate 9 loses syringe needle thrust left, the left side edge lateral wall and the second locking groove 21 level of locking hole 12 are relative this moment, then lockplate 9 moves right under locking spring 10 reset action, finally make the left side edge lateral wall of locking hole 12 peg graft in second locking groove 21, it is fixed that broken child needle 8 vertical position is fixed, the upper end of broken child needle 8 exposes outside broken child hole 15 in order to puncture the tire this moment, the size that exposes on broken child needle 8 passes through second locking groove 21 and realizes fixing. The upper end of the tire breaking needle 8 is small in exposed size, so that the tire is slowly deflated, and traffic accidents are avoided. After the left edge side wall of the locking hole 12 is inserted into the second locking groove 21, the locking plate 9 and the reset plunger 18 are still attached to each other without pressure.
Preferably, when the left side edge sidewall of the locking hole 12 is located in the second locking groove 21, depending on the specific shape and size of the actuating needle 7, the right side edge of the locking plate 9 alone catches the actuating needle 7 or cooperates with the breaker plate 5 to catch the actuating needle 7, so that the actuating needle 7 can neither be rotated upward nor downward. Thereby restrict the turned angle of lever board 1, avoid the overload vehicle to weigh the position of board 3 and drop too big distance, be difficult to march to broken child board 5. The situation that the upper end of the tire breaking needle 8 returns to the inner side of the tire breaking hole 15 due to unlocking at the second locking groove 21 in the process that the vehicle travels from the weight measuring plate 3 to the tire breaking plate 5 is also avoided.
After the tire is punctured by the upper end of the tire puncturing needle 8, the tire gradually moves to the reset plate 17, the reset plate 17 and the reset wedge block 19 move downwards to push the reset ejector rod 18 and the locking plate 9 to move leftwards, so that the left side edge side wall of the locking hole 12 is separated from the second locking groove 21 to realize unlocking, and meanwhile, the starting needle 7 loses the restriction of the locking plate 9 on downward rotation, so that the state IV is reached.
At this time, because there is no vehicle on the weight plate 3, the starting needle 7 is driven to rotate downwards under the reset action of the first reset spring 13, and the tire breaking needle 8 moves downwards at the same time until the lever plate 1, the weight plate 3, the push rod 4, the starting needle 7 and the tire breaking needle 8 all recover to a state of one hour, and simultaneously, the left side edge side wall of the locking hole 12 is horizontally opposite to the first locking groove 14 again.
After the overloaded vehicle is removed from the reset plate 17, under the combined reset action of the locking spring 10 and the second reset spring 20, the locking plate 9 and the reset ejector rod 18 move rightwards until the left edge of the locking hole 12 is inserted into the first locking groove 14 for locking, and simultaneously, the reset plate 17 and the tire breaking plate 5 are leveled, the whole weight measuring and tire breaking device completely returns to the first state, so that the weight of the next vehicle is measured.
In other embodiments, the needle bar is a telescoping needle bar to accommodate different vertical heights of the locking plate 9, so that the actuating needle 7 mates with the locking plate 9 at different heights.
In addition, first reset spring 13 and second reset spring 20's quantity can all set up to many in this embodiment, all first reset springs 13 form the spring assembly under the check weighing board 3, all second reset springs 20 form the spring assembly under reset plate 17, in order to increase the bearing capacity of check weighing board 3 and reset plate 17, even the vehicle load surpasss the condition more than several times of limited standard, single first reset spring 13 and single second reset spring 20 can not produce too big deformation yet, check weighing board 3 and reset plate 17 can not fall the excessive distance rapidly, lead to the vehicle to fall to in the pothole.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (9)
1. A weight measuring and tire breaking device is characterized by comprising a lever plate, a fulcrum, a weight measuring plate, a lower pressure rod, a tire breaking plate, a first supporting plate, a starting needle, a tire breaking needle, a locking plate, a locking spring and a second supporting plate, wherein the middle of the lever plate is supported on the fulcrum, the fulcrum is placed on the ground, the weight measuring plate is arranged above the left end of the lever plate, the upper end of the lower pressure rod is propped against the bottom surface of the weight measuring plate, the lower end of the lower pressure rod is pressed at the left end of the lever plate, the tire breaking plate is arranged above the right end of the lever plate, the first supporting plate is arranged between the tire breaking plate and the ground, the tire breaking plate is supported on the first supporting plate, the starting needle is arranged at the right end of the lever plate and above the lever plate, the tire breaking needle is arranged on the part of the lever plate on the right side of the fulcrum, the locking plate is arranged below the tire breaking plate, the locking plate is provided with a locking hole, the tire, the locking spring sets up between lockplate and first backup pad, and the second backup pad is installed on first backup pad, and the lockplate supports in the second backup pad, promotes the lockplate and moves towards the locking spring when starting the needle and shift up, and locking spring and start the needle cooperation are in order to drive locking hole edge lateral wall business turn over in first locking groove department, offer the broken child hole that supplies the business turn over of broken child needle upper end on the broken child board.
2. The weight measuring tire puncturing device of claim 1, further comprising a first return spring disposed between the weight measuring plate and the ground.
3. The weight measuring tire puncturing device of claim 1, wherein the locking plate is fixed in height relative to the ground by a second support plate.
4. The weight measuring tire puncturing device according to claim 3, further comprising a tire puncturing spring, wherein the lower end of the tire puncturing spring is disposed on a portion of the lever plate located on the right side of the fulcrum, and the upper end of the tire puncturing spring presses the tire puncturing needle.
5. The weight measuring tire-breaking device according to claim 1, wherein the actuating pin comprises a pin shaft and a pin head fixed to an upper end of the pin shaft, and a second locking groove is provided on an outer wall of the tire-breaking pin, the second locking groove being located below the first locking groove, and the locking plate locks the actuating pin when an edge side wall of the locking hole is located in the second locking groove.
6. The weight-measuring tire-breaking device according to claim 5, further comprising a reset plate, a reset ejector rod, a reset wedge block and a second reset spring, wherein the reset plate is arranged on the right side of the tire-breaking plate, the second reset spring is arranged between the ground and the reset plate, the reset wedge block is arranged on the bottom surface of the reset plate, the reset ejector rod is supported on the second supporting plate, and when two ends of the reset ejector rod are respectively attached to the reset wedge block and the locking plate, the reset plate moves downwards to enable the reset wedge block to push the locking plate to move towards the locking spring.
7. The weight measuring tire-breaking device according to claim 1, wherein the upper end of the lower pressing rod is fixed to the bottom surface of the weight measuring plate, and the lower end of the lower pressing rod is rotatably disposed at the left end of the lever plate.
8. The weight measuring tire puncturing device of claim 5, wherein the needle bar is a telescoping needle bar.
9. The weight measuring tire puncturing device according to claim 4, wherein the lower end of the tire puncturing spring is rotatably mounted on the lever plate, and the upper end of the tire puncturing spring is fixed to the lower end of the tire puncturing needle.
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CN201922336952.1U CN212153213U (en) | 2019-12-23 | 2019-12-23 | Weight-measuring tire-breaking device |
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CN201922336952.1U CN212153213U (en) | 2019-12-23 | 2019-12-23 | Weight-measuring tire-breaking device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111088764A (en) * | 2019-12-23 | 2020-05-01 | 宁波大学 | Weight-measuring tire-breaking device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111088764A (en) * | 2019-12-23 | 2020-05-01 | 宁波大学 | Weight-measuring tire-breaking device |
CN111088764B (en) * | 2019-12-23 | 2021-05-14 | 宁波大学 | Weight-measuring tire-breaking device |
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