1. The utility model provides an adopt and draw pressure sensor's mistake to turn round detection device, its characterized in that is including lower (1), lower (1) is connected with through first rotation coupling mechanism (2) and can winds first vertical axis L1 pivoted upper seat (3), lower (1) is equipped with vertical passageway (41) that are located the middle part with upper seat (3) assembly back together, the upper end of lower (1) with be equipped with accommodation space (42) between the lower extreme of upper seat (3), lower (1) is connected with and is located first upstand (11) in accommodation space (42), upper seat (3) are connected with and are located second upstand (31) in accommodation space (42), it rotates coupling mechanism (5) through the second and is connected with first horizontal pull rod (6) that can wind second vertical axis L2 pivoted on first upstand (11), it can wind third vertical axis L3 pivoted pull rod (7) to be connected with through third rotation coupling mechanism (7) on second upstand (31) The device comprises a rotating second transverse pull rod (8), wherein the first transverse pull rod (6) and the second transverse pull rod (8) are located at the same height, and a pulling pressure sensor (9) is directly connected between the first transverse pull rod (6) and the second transverse pull rod (8).

2. The over-twisting detection device using a tension and pressure sensor according to claim 1, wherein a waterproof case (10) covering the receiving space (42) is attached to the outer periphery of the upper seat (3), or a waterproof case (10) covering the receiving space (42) is attached to the outer periphery of the lower seat (1).

3. The over-torque detection device adopting the tension and pressure sensor as claimed in claim 1, wherein a first vertical screw hole (111) is formed in the top of the first vertical column (11), the second rotary connecting mechanism (5) comprises a second rotary sleeve (51) sleeved on the first vertical column (11), a second vertical hole (52) arranged on the first transverse pull rod (6) and used for being sleeved outside the second rotary sleeve (51), and a second vertical bolt (53) connected with the first vertical screw hole (111) and used for preventing the first transverse pull rod (6) from falling off.

4. The over-torque detection device adopting the tension and pressure sensor as claimed in claim 1, wherein a second vertical screw hole (311) is formed in the bottom of the second vertical column (31), and the third rotary connecting mechanism (7) comprises a third rotary sleeve (71) sleeved on the second vertical column (31), a third vertical hole (72) arranged on the second transverse pull rod (8) and used for being sleeved outside the third rotary sleeve (71), and a third vertical bolt (73) connected with the second vertical screw hole (311) and used for preventing the second transverse pull rod (8) from falling off.

5. The over-twisting detection device using a pull-pressure sensor according to claim 1, wherein the distance of the second vertical axis L2 from the first vertical axis L1 is equal to the distance of the third vertical axis L3 from the first vertical axis L1.

6. An over-twisting detection device using a pull-pressure sensor according to claim 1, wherein the pull-pressure sensor (9) is electrically connected to an external display and control instrument (100).

7. The over-torque detection device adopting the tension and pressure sensor as claimed in claim 1, wherein the upper end of the lower seat (1) is provided with an upper positioning hole (10) for the plug-in connection of the first vertical column (11), and the lower end of the upper seat (3) is provided with a lower positioning hole (30) for the plug-in connection of the second vertical column (31).

8. An over-twist detection device using a tension and pressure sensor according to any one of claims 1-7, characterized in that the lower seat (1) is provided with a first annular wall (12) extending upward at the middle part thereof, the upper seat (3) is provided with a second annular wall (32) extending downward for surrounding the first annular wall (12) at the middle part thereof, and the first rotary connection mechanism (2) is a deep groove ball bearing disposed between the inner side wall of the second annular wall (32) and the outer side wall of the first annular wall (12).

9. The device for detecting the excessive torque by using the tension and pressure sensor as claimed in claim 8, wherein the number of the deep groove ball bearings is two, the outer side wall of the lower end of the first annular wall body (12) is provided with a first annular step (121) for limiting the inner ring of the first deep groove ball bearing, the inner side wall of the lower end of the second annular wall body (32) is provided with a second annular step (321) for clamping on the outer ring of the first deep groove ball bearing, the inner side wall of the upper end of the second annular wall body (32) is provided with a third annular step (322) for limiting the outer ring of the second deep groove ball bearing, and the inner ring of the second deep groove ball bearing is used for clamping on the outer side wall of the first annular wall body (12).

Background

The driving system of the center-driven mud scraping and sucking machine mostly adopts a mechanical over-twisting protection device at present, and only when the working torque exceeds a set value, an electric signal is output; with the development of modern information technology, more and more sewage treatment plants begin to improve the technical level of automatic remote detection and control, and introduce industrial cloud services such as remote acquisition and sharing of equipment data, so as to facilitate the cooperation of projects such as technical communication, operation guidance, after-sale service and the like among the sewage treatment plants, sewage treatment equipment suppliers and a sewage treatment research institute; thus, new requirements are provided for the parameter acquisition mode of the sewage treatment equipment; the actual working torque of the driving system of the mud scraper and suction machine is taken as an important operating parameter of the mud scraper and needs to be acquired for remote detection and control, and the mechanical over-torque protection group device is difficult to meet the use requirement due to structural limitation.

Disclosure of Invention

The invention overcomes the defects of the technology and provides the over-twist detection device adopting the tension and pressure sensor.

In order to achieve the purpose, the invention adopts the following technical scheme:

an over-torsion detection device adopting a tension and pressure sensor comprises a lower seat 1, wherein the lower seat 1 is connected with an upper seat 3 which can rotate around a first vertical axis L1 through a first rotating connecting mechanism 2, a vertical passing channel 41 which is positioned in the middle is arranged after the lower seat 1 and the upper seat 3 are assembled together, a containing space 42 is arranged between the upper end of the lower seat 1 and the lower end of the upper seat 3, the lower seat 1 is connected with a first vertical column 11 which is positioned in the containing space 42, the upper seat 3 is connected with a second vertical column 31 which is positioned in the containing space 42, the first vertical column 11 is connected with a first transverse pull rod 6 which can rotate around a second vertical axis L2 through a second rotating connecting mechanism 5, the second vertical column 31 is connected with a second transverse pull rod 8 which can rotate around a third vertical axis L3 through a third rotating connecting mechanism 7, and the first transverse pull rod 6 and the second transverse pull rod 8 are positioned at the same height, and a tension pressure sensor 9 is directly connected between the first transverse pull rod 6 and the second transverse pull rod 8.

Preferably, a waterproof case 10 for covering the accommodating space 42 is connected to the outer periphery of the upper seat 3, or a waterproof case 10 for covering the accommodating space 42 is connected to the outer periphery of the lower seat 1.

Preferably, the top of the first vertical post 11 is provided with a first vertical screw hole 111, the second rotary connecting mechanism 5 is provided with a second rotary sleeve 51 arranged on the first vertical post 11, a second vertical hole 52 arranged on the first transverse pull rod 6 and used for being sleeved on the second rotary sleeve 51, and a second vertical bolt 53 connected with the first vertical screw hole 111 and used for preventing the first transverse pull rod 6 from falling off.

Preferably, the bottom of the second vertical column 31 is provided with a second vertical screw hole 311, the third rotary connecting mechanism 7 is provided with a third rotary sleeve 71 on the second vertical column 31, a third vertical hole 72 arranged on the second transverse pull rod 8 and used for being sleeved with the third rotary sleeve 71, and a third vertical bolt 73 connected with the second vertical screw hole 311 and used for preventing the second transverse pull rod 8 from falling off.

Preferably, the distance of the second vertical axis L2 from the first vertical axis L1 is equal to the distance of the third vertical axis L3 from the first vertical axis L1.

Preferably, the pulling and pressing force sensor 9 is electrically connected with a display and control instrument 100 to the outside.

Preferably, the upper end of the lower seat 1 is provided with an upper positioning hole 10 for the insertion connection of the first vertical column 11, and the lower end of the upper seat 3 is provided with a lower positioning hole 30 for the insertion connection of the second vertical column 31.

Preferably, the middle of the lower seat 1 is provided with a first annular wall body 12 extending upwards, the middle of the upper seat 3 is provided with a second annular wall body 32 extending downwards and surrounding the first annular wall body 12, and the first rotary connecting mechanism 2 is a deep groove ball bearing arranged between the inner side wall of the second annular wall body 32 and the outer side wall of the first annular wall body 12.

Preferably, the number of the deep groove ball bearings is two, the outer side wall of the lower end of the first annular wall body 12 is provided with a first annular step 121 used for limiting the inner ring of the first deep groove ball bearing on the first annular step, the inner side wall of the lower end of the second annular wall body 32 is provided with a second annular step 321 used for clamping the outer ring of the first deep groove ball bearing, the inner side wall of the upper end of the second annular wall body 32 is provided with a third annular step 322 used for limiting the outer ring of the second deep groove ball bearing on the second annular step, and the inner ring of the second deep groove ball bearing is used for clamping the outer side wall of the first annular wall body 12.

Compared with the prior art, the invention has the beneficial effects that:

1. the structure of the scheme is simple and easy to realize, and the arrangement of the first rotating connecting mechanism is convenient for the upper seat to rotate relative to the lower seat during the over-torque detection so as to transmit torque; the vertical passage channel is arranged, so that the device is suitable for being connected with a driving system of a mud scraping and sucking machine such as a center driving device, and a transmission shaft mechanism between a first-stage speed reducer and a second-stage speed reducer passes through the vertical passage channel; the first vertical post of lower seat sets up with the second vertical post of upper seat sets up, is convenient for connect the transverse pull rod through rotating coupling mechanism respectively to make two transverse pull rods be located same height, so that directly connect between two transverse pull rods and draw pressure sensor, make actuating system's reaction force moment of torsion transmit to drawing pressure sensor, thereby detect excessively turning round, in addition, because the existence of second rotation coupling mechanism and third rotation coupling mechanism makes first transverse pull rod, second transverse pull rod can rotate in a flexible way on corresponding the vertical post in order to eliminate other moments that may exist, so, draw pressure sensor only to bear pulling force or pressure, guarantee measurement accuracy.

2. The present case the first vertical screw setting at first upstand top is convenient for connect carry out the anticreep spacing through the vertical bolt of second behind second commentaries on classics cover, the first horizontal pull rod, and it is convenient to implement, and the practicality is good.

3. The present case the vertical screw setting of second upstand bottom is convenient for connect carry out the anticreep spacing through the vertical bolt of third behind third commentaries on classics cover, the horizontal pull rod of second, and it is convenient to implement, and the practicality is good.

4. The arrangement of the first annular step, the second annular step and the third annular step facilitates the positioning of the deep groove ball bearing, and is favorable for specific implementation.

Drawings

Fig. 1 is one of the structural diagrams of the present case.

Fig. 2 is a second structural diagram of the present invention.

Fig. 3 is a third structural diagram of the present invention.

Fig. 4 is a lower view of the present disclosure.

Fig. 5 is a top view of the present disclosure.

Fig. 6 is a diagram of a use state of the present disclosure.

Detailed Description

The features of the present invention and other related features are further described in detail below by way of examples to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 5, an over-twist detection device using a tension and pressure sensor comprises a lower seat 1, wherein the lower seat 1 is connected with an upper seat 3 capable of rotating around a first vertical axis L1 through a first rotating connection mechanism 2, a vertical passage 41 located in the middle is arranged after the lower seat 1 and the upper seat 3 are assembled together, an accommodation space 42 is arranged between the upper end of the lower seat 1 and the lower end of the upper seat 3, the lower seat 1 is connected with a first vertical column 11 located in the accommodation space 42, the upper seat 3 is connected with a second vertical column 31 located in the accommodation space 42, the first vertical column 11 is connected with a first horizontal pull rod 6 capable of rotating around a second vertical axis L2 through a second rotating connection mechanism 5, the second vertical column 31 is connected with a second horizontal pull rod 8 capable of rotating around a third vertical axis L3 through a third rotating connection mechanism 7, the first transverse pull rod 6 and the second transverse pull rod 8 are located at the same height, and a tension pressure sensor 9 is directly connected between the first transverse pull rod 6 and the second transverse pull rod 8.

This device is applicable to and scrapes the actuating system's of suction dredge connection with central drive, wherein, in fig. 6, the seat of honour 3 is used for being connected with the one-level speed reducer of upside, bears its moment of torsion, lower seat 1 is used for being connected with the second grade speed reducer of downside, and transmission shaft mechanism between one-level speed reducer and the second grade speed reducer is in pass in the vertical passageway 41 of passing, seat of honour 3 can lower seat 1 relatively rotates, is convenient for transmit the moment of torsion of one-level speed reducer, final action extremely draw pressure sensor 9 to the detection of turning round is crossed.

As mentioned above, the structure of the scheme is simple and easy to realize, and the arrangement of the first rotating connecting mechanism 2 is convenient for the upper seat 3 to rotate relative to the lower seat 1 during the over-torque detection so as to transmit the torque; the vertical passage channel 41 is arranged, so that the device is suitable for being connected with a driving system of a mud scraping and sucking machine such as a center driving device, and a transmission shaft mechanism between a first-stage speed reducer and a second-stage speed reducer passes through the vertical passage channel 41; the first vertical post 11 of the lower seat 1 and the second vertical post 31 of the upper seat 3 are arranged to connect the transverse pull rods through the rotary connecting mechanism, and the two transverse pull rods are located at the same height, so that the tension and pressure sensor 9 is directly connected between the two transverse pull rods, and the reaction force torque of the driving system is transmitted to the tension and pressure sensor 9, so as to perform over-torsion detection, and in addition, due to the existence of the second rotary connecting mechanism 5 and the third rotary connecting mechanism 7, the first transverse pull rod 6 and the second transverse pull rod 8 can flexibly rotate on the corresponding vertical posts to eliminate other possible moments, so that the tension and pressure sensor 9 only bears the tension or the pressure, so as to ensure the measurement accuracy, as shown in fig. 2, when the first vertical post 11 is relatively far away from the second vertical post 31, the tension and when the first vertical post 11 is relatively close to the second vertical post 31, the pull pressure sensor 9 is subjected to pressure.

As shown in fig. 1, in specific implementation, a waterproof housing 10 for covering the accommodating space 42 is connected to the periphery of the upper seat 3, or a waterproof housing 10 for covering the accommodating space 42 is connected to the periphery of the lower seat 1.

As shown in fig. 3, in specific implementation, a first vertical screw hole 111 is formed in the top of the first vertical column 11, and the second rotating connection mechanism 5 includes a second rotating sleeve 51 sleeved on the first vertical column 11, a second vertical hole 52 arranged on the first transverse pull rod 6 and used for being sleeved outside the second rotating sleeve 51, and a second vertical bolt 53 connected with the first vertical screw hole 111 and used for preventing the first transverse pull rod 6 from falling off.

As described above, the first vertical screw hole 111 at the top of the first vertical post 11 is provided, so that the second rotating sleeve 51 and the first transverse pull rod 6 can be conveniently connected and then can be conveniently separated and limited by the second vertical bolt 53.

As shown in fig. 3, in specific implementation, a second vertical screw hole 311 is formed in the bottom of the second vertical column 31, and the third rotating connection mechanism 7 includes a third rotating sleeve 71 that is sleeved on the second vertical column 31, a third vertical hole 72 that is arranged on the second horizontal pull rod 8 and is used for being sleeved outside the third rotating sleeve 71, and a third vertical bolt 73 that is connected to the second vertical screw hole 311 and is used for preventing the second horizontal pull rod 8 from falling off.

As described above, the second vertical screw hole 311 at the bottom of the second vertical post 31 is provided, so that the third rotating sleeve 71 and the second transverse pull rod 8 can be conveniently connected and then can be conveniently separated and limited by the third vertical bolt 73, and the device is convenient to implement and has good practicability.

As shown in fig. 2, the distance from the second vertical axis L2 to the first vertical axis L1 is equal to the distance from the third vertical axis L3 to the first vertical axis L1, and compared with the technical solution that the second vertical axis L2 and the third vertical axis L3 are not on the same circumference with the first vertical axis L1 as the center, when the upper seat 3 rotates relative to the lower seat 1, because the second vertical axis L2 and the third vertical axis L3 are arranged on the same circumference with the first vertical axis L1 as the center, the acting force generated by the torque during the over-twist detection can be efficiently transmitted to the tension and pressure sensor 9, and the detection effect of the tension and pressure sensor 9 can be improved.

As shown in fig. 1, the pulling pressure sensor 9 is electrically connected to a display and control instrument 100, in specific implementation, different comparison values can be set in the display and control instrument 100, when a measured value of the pulling pressure sensor 9 reaches a certain comparison value, a corresponding control signal is output to realize functions of reverse rotation detection, over-torque alarm or power failure, breakage detection of a safety pin of a transition shaft and the like of a transmission system of the mud scraping and sucking machine, and the set comparison value can be modified to adapt to working requirements of mud scraping and sucking machines with different pool diameters; in addition, the display and control instrument 100 may output different control signals by controlling different relays to facilitate over-torque protection control.

As shown in fig. 4 and 5, an upper positioning hole 10 for the insertion connection of the first vertical column 11 is formed at the upper end of the lower seat 1, and a lower positioning hole 30 for the insertion connection of the second vertical column 31 is formed at the lower end of the upper seat 3, so that the first vertical column 11 and the second vertical column 31 can be conveniently positioned and connected, and in specific implementation, the positioning can be reinforced by welding after positioning.

As described above, in specific implementation, the middle of the lower seat 1 is provided with the first annular wall 12 extending upward, the middle of the upper seat 3 is provided with the second annular wall 32 extending downward to surround the first annular wall 12, and the first rotating connection mechanism 2 is a deep groove ball bearing disposed between the inner side wall of the second annular wall 32 and the outer side wall of the first annular wall 12, so as to facilitate specific implementation.

As described above, in specific implementation, there are two deep groove ball bearings, the outer sidewall of the lower end of the first annular wall 12 is provided with the first annular step 121 for limiting the inner ring of the first deep groove ball bearing thereon, the inner sidewall of the lower end of the second annular wall 32 is provided with the second annular step 321 for being clamped on the outer ring of the first deep groove ball bearing, the inner sidewall of the upper end of the second annular wall 32 is provided with the third annular step 322 for limiting the outer ring of the second deep groove ball bearing thereon, and the inner ring of the second deep groove ball bearing is used for being clamped on the outer sidewall of the first annular wall 12.

As described above, the first annular step 121, the second annular step 321, and the third annular step 322 are provided to facilitate positioning of the deep groove ball bearing, which is beneficial to specific implementation.

As described above, the present disclosure is directed to an over-twisting detection device using a tension/pressure sensor, and all technical solutions having the same or similar structure to the present disclosure should be considered to fall within the scope of the present disclosure.