CN213932923U - Suspension type force measuring device - Google Patents
Suspension type force measuring device Download PDFInfo
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- CN213932923U CN213932923U CN202120068527.3U CN202120068527U CN213932923U CN 213932923 U CN213932923 U CN 213932923U CN 202120068527 U CN202120068527 U CN 202120068527U CN 213932923 U CN213932923 U CN 213932923U
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- force measuring
- positioning
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- connecting shaft
- lock head
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Abstract
The utility model relates to a suspension type measuring force device is a calibration device that is used for detecting the check out test set of container weight and focus position on the container loading and unloading hoist. The device comprises an installation frame, a connecting shaft, a positioning wrench, a force measuring sensor, a connecting sleeve and a customized lock head. The installation frame top cover is on container weight and the tapered end of focus position detection hoist, and the bottom plate installation connecting axle. The positioning spanner is installed below the bottom plate of installation frame, also overlaps on the connecting axle. The upper end of the force measuring sensor is connected with the connecting shaft, and the lower end of the force measuring sensor is connected with the sleeve screw of the connecting sleeve. The lower end of the connecting sleeve is provided with a customized lock head. The utility model relates to a simple structure, installation, use, transport convenience, low cost. The calibration equipment for detecting the weight and the gravity center position of the container formed by 4 sets of the device, a wireless digital transmitter and a wireless receiving instrument has high accuracy, and is a very practical metering and detecting device.
Description
Technical Field
The utility model relates to a force measuring device, in particular to suspension type force measuring device on the calibration equipment that detects is carried out weight and the focus position of freight container on container spreader.
Background
In the current generation of cargo transportation, whether sea transportation or railway freight, container transportation has become the main mode in cargo transportation. The placement of the cargo within the container, however, can cause an excessive weight of the container as a whole, as well as an offset of the center of gravity of the container, which can have a significant impact on the safe operation of the railroad. In order to ensure safe transport of the freight, the loaded container must be checked for weight and position of the center of gravity.
At present, special detection equipment for simultaneously detecting the weight and the gravity center position of the container at home and abroad appears. However, the container spreader is a device suspended in the air, the stress of each detection sensor is unstable, the calculation error is large by using a plane geometric mechanics method, and the detection precision is also influenced by the abrasion, deformation and the like of the equipment in use. Such equipment should be calibrated frequently to ensure metering accuracy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a can carry out the suspension type measuring force device on the special metering equipment of calibration to the weight of container and focus position check out test set (hoist), use the utility model discloses the container weight of equipment and focus position check out test set's calibration equipment can solve well and detect the precision problem.
The technical scheme of the utility model is that:
a suspension type force measuring device comprises an installation frame, a connecting shaft, a positioning wrench, a force measuring sensor, a connecting sleeve and a customized lock head;
a round hole is arranged in the middle of an upper top plate of the installation frame and sleeved on a lock head of the container weight and gravity center position detection hanger; two side plates of the mounting frame are respectively provided with a guide sleeve at the position close to the top; the two guide sleeves are opposite, and bolts are respectively arranged in the guide sleeves; two bolts are inserted into the mounting frame and tightly propped against the lock heads of the container weight and gravity center position detection lifting appliance from two sides; a round hole is also formed in the center of the bottom plate of the mounting frame and used for mounting a connecting shaft; a pin hole for inserting a shaft pin is arranged on the outer side of the round hole of the bottom plate;
the positioning wrench is arranged below the bottom plate of the mounting frame, the positioning wrench is also sleeved on the connecting shaft through a middle square hole, and the connecting shaft penetrates through the lower part of the positioning wrench; a pin hole is also arranged on the positioning wrench, has the same diameter with the pin hole on the bottom plate and is used for inserting the shaft pin into the two pin holes for positioning;
the upper end of the force measuring sensor is connected with the shaft end of the connecting shaft; the lower end of the force measuring sensor is connected with a sleeve screw rod of the connecting sleeve;
a customized lock head is arranged in a cavity at the lower end of the connecting sleeve, a round hole is radially arranged on the customized lock head, and a cylindrical pin shaft is inserted in the round hole; two side faces of the connecting sleeve are provided with opposite long circular holes, and the cylindrical pin shaft can slide up and down in the two long circular holes, so that the customized lock head and the connecting sleeve are assembled together;
the positioning wrench can drive the force-measuring sensor, the connecting sleeve and the customized lock head below to rotate together through the connecting shaft.
And nuts are arranged at the outer ends of the bolts and used for screwing and fixing the bolts.
And one lifting ring screw is also respectively arranged on the two side plates of the mounting frame.
An angular contact joint bearing is arranged between the connecting shaft and the bottom plate.
And a gasket is arranged between the positioning wrench and the bottom plate of the mounting frame.
Two semicircular holes which have the same diameter and are different by 90 degrees are also arranged below the bottom surface of the bottom plate, one is an initial position hole, and the other is a fixed position hole; the top surface of the positioning wrench is provided with a positioning steel ball, and the positioning steel ball has the same diameter with the two initial position holes and the fixed position holes under the bottom surface of the bottom plate and is used for positioning the initial position and positioning the fixed position when falling into the two semicircular holes respectively.
Two locking nuts and a backstop clamp spring are arranged on the connecting shaft below the positioning wrench, and the vertical position of the positioning wrench is fixed; the force measuring sensor and the connecting shaft are also locked through a locking nut and a backstop clamp spring; the force measuring sensor and the connecting sleeve are also locked by a set of locking nut and a backstop clamp spring.
The utility model relates to a simple structure, installation, use, transport convenience, low cost. The calibration equipment for detecting the weight and the gravity center position of the container formed by 4 sets of the device, a wireless digital transmitter and a wireless receiving instrument has high accuracy, and is a very practical metering and detecting device. Its main advantage is:
by the utility model discloses the calibration equipment of the container weight of combination and focus position detection hoist uses the operation flow that does not change former detection hoist, does not influence the activity duration of former equipment.
The weight of the tested container is completely vertically transferred to the load cell, and the testing precision is high.
The field installation and the disassembly are simple and convenient, and the time and the labor are saved.
Drawings
Fig. 1 is a schematic structural view of the suspension type force measuring device of the present invention.
In the figure:
the lifting device comprises a base plate, a lifting frame base plate and a lifting frame base plate, wherein the lifting frame base plate comprises 1-mounting frame base plate, 2-connecting shafts, 3-positioning spanners, 4-force sensors, 5-connecting sleeves, 14-pivot pins, 14-locating steel balls, 15-locating steel balls, 17-locating steel balls, locating snap springs, 17-locating snap springs, 17 gaskets, 18-locking nuts, 18 locking nuts, stopping snap springs, locating snap springs, and gravity center positions of container weight and lifting devices.
Detailed Description
The utility model belongs to a suspension type measuring force device on container weight and focus position check out test set's calibration equipment. Install on container weight and focus position check out test set's hoist lock head, use the utility model discloses the container weight of equipment and focus position check out test set's calibration equipment can solve well and detect the precision problem.
Suspension type measuring force device be container weight and focus position check out test set's key component, install the corner seat below at container weight and focus position check out test set (hoist). This application relates only to and protects the structure of a suspended force measuring device.
Referring to fig. 1, the utility model discloses suspension type measuring force device includes installation frame 1, connecting axle 2, location spanner 3, force cell sensor 4, connecting sleeve 5 and customization tapered end 6.
The middle of the upper top plate 7 of the mounting frame 1 is provided with a round hole which is sleeved on a lock head 22 of the container weight and gravity center position detection lifting appliance. Two side plates 8 of the mounting frame 1 are respectively provided with a guide sleeve 9 near the top. The two guide sleeves 9 are opposite, and bolts 10 are respectively arranged inside the guide sleeves. Two bolts 10 are inserted into the mounting frame 1 and are pressed against the lock heads 22 of the container weight and gravity center position detecting spreader from both sides. A nut 11 is provided at the outer end of the bolt 10 for tightening and fixing the bolt 10. Two side plates 8 of the mounting frame 1 are respectively provided with an eyebolt 12 for moving or rotating the mounting frame 1. A round hole is also formed in the center of the bottom plate 13 of the mounting frame 1 and used for mounting the connecting shaft 2; an angular contact spherical plain bearing 16 is installed between the connecting shaft 2 and the base plate 13 to facilitate the rotation of the mounting frame 1 while ensuring that the load-bearing load is maintained in the vertical direction. A pin hole for inserting the shaft pin 14 is arranged on the outer side of the round hole of the bottom plate 13, and two semicircular holes which have the same diameter and are different by 90 degrees are also arranged below the bottom surface of the bottom plate 13, wherein one hole is an initial position hole, and the other hole is a fixed position hole.
The positioning wrench 3 is installed below the bottom plate 13 of the installation frame 1, the positioning wrench 3 is also sleeved on the connecting shaft 2 through a middle square hole, and the connecting shaft 2 penetrates through the lower part of the positioning wrench 3. The top surface of the positioning wrench 3 is provided with a positioning steel ball 15, and the positioning steel ball 15 has the same diameter with the two semicircular holes under the bottom surface of the bottom plate 13 and is used for positioning an initial position and a fixed position when falling into the two semicircular holes respectively. The positioning wrench 3 is also provided with a pin hole which has the same diameter as the pin hole on the bottom plate 13 and is used for inserting the shaft pin 14 into the two pin holes for positioning. During installation, the initial position of the positioning wrench 3 is positioned by the initial position hole of the bottom plate 13 into which the positioning steel ball 15 falls, after the positioning wrench 3 is rotated by 90 degrees, the positioning steel ball 15 falls into the fixed position hole on the bottom plate 13 for positioning, and at this time, the pin hole of the positioning wrench 3 is opposite to the pin hole of the bottom plate 13, and a pin 14 is inserted into the pin hole of the positioning wrench 3 from the pin hole on the bottom plate 13, so that the positions of the installation frame 1, the positioning wrench 3 and the connecting shaft 2 are locked. A spacer 17 is installed between the positioning wrench 3 and the bottom plate 13 of the mounting frame 1 to facilitate the rotation of the positioning wrench 3. Two locking nuts 18 and a backstop clamp spring 19 are arranged on the connecting shaft 2 below the positioning wrench 3, and the vertical position of the positioning wrench 3 is fixed.
The upper end of the force measuring sensor 4 is connected with the shaft end of the connecting shaft 2 and is simultaneously locked through a locking nut 18 and a backstop clamp spring 19. The lower end of the force measuring sensor 4 is connected with a sleeve screw 21 of the connecting sleeve 5 and is also locked by a set of locking nut and a backstop clamp spring.
The customized lock head 6 is arranged in the cavity at the lower end of the connecting sleeve 5, a round hole is radially arranged on the customized lock head 6, and a cylindrical pin shaft 20 is inserted in the round hole. Two opposite oblong holes are arranged on two side surfaces of the connecting sleeve 5, and the cylindrical pin shaft 20 can slide up and down in the oblong holes, so that the customized lock head 6 can be conveniently inserted into the container corner piece hole below when a container to be detected is hung. In this way, the customized locking head 6 is assembled with the connecting sleeve 5, and the force on the customized locking head 6 can be transmitted to the load cell 4 through the cylindrical pin 20 and the connecting sleeve 5. Pulling the positioning wrench 3 can drive the force-measuring sensor 4, the connecting sleeve 5 and the customized lock head 6 below to rotate together through the connecting shaft 2.
The utility model relates to a suspension type measuring force device on calibration equipment for container weight and focus position check out test set, it is the key device on container weight and the focus position check out calibration equipment. Every detects one set of suspension type measuring force device of calibration equipment configuration on the four corners of container respectively, will the utility model discloses the customization tapered end 6 of lower extreme with the container corner fittings jogged joint that is detected. Each calibration device is provided with 4 sets of suspension type force measuring devices, and is also provided with a multi-channel wireless digital transmitter and a digital instrument to form the calibration device of the container weight and gravity center position detection lifting appliance. The design is to ensure that the gravity of the container can be completely transmitted to the weight sensor of the container weight and gravity center position detection device through the load cell 4.
The calibration equipment of the container weight and gravity center position detection equipment (hanger) is used for detecting the test precision and the working condition of the container weight and gravity center position detection equipment (hanger). The system during operation will the utility model discloses the suspension type measuring force device hangs on container weight and the tapered end 22 of focus position detection hoist, hangs the container of being surveyed on suspension type measuring force device's lower extreme customization tapered end 6. The container weight and gravity center position detection equipment is lifted by a crane, the calibration equipment of the container weight and gravity center position detection equipment is lifted at the same time, the weight of the container is transmitted to the force measuring sensors of the detection equipment (lifting appliance) and the calibration equipment at the same time, the respective instruments can display the coordinate values of the container weight and the gravity center position, the difference value of the two instruments is compared, and the accuracy of the container weight and the accuracy of the gravity center position detection equipment (lifting appliance) can be judged by taking the display value of the calibration equipment instrument as a reference. If the allowable error is exceeded, the container weight and center of gravity position detection device (spreader) needs to be checked and verified.
Claims (7)
1. A suspended force measuring device is characterized in that: the device comprises an installation frame (1), a connecting shaft (2), a positioning wrench (3), a force measuring sensor (4), a connecting sleeve (5) and a customized lock head (6);
a round hole is arranged in the middle of an upper top plate (7) of the mounting frame (1) and sleeved on a lock head (22) of a container weight and gravity center position detection lifting appliance; two side plates (8) of the mounting frame (1) are respectively provided with a guide sleeve (9) at positions close to the top; the two guide sleeves (9) are opposite, and bolts 10 are respectively arranged in the guide sleeves; two bolts 10) are inserted into the mounting frame (1) and tightly prop against a lock head (22) of the container weight and gravity center position detection lifting appliance from two sides; a round hole is also formed in the center of a bottom plate (13) of the mounting frame (1) and used for mounting the connecting shaft (2); a pin hole for inserting a shaft pin (14) is formed in the outer side of the round hole of the bottom plate (13);
the positioning wrench (3) is arranged below a bottom plate (13) of the installation frame (1), the positioning wrench (3) is also sleeved on the connecting shaft (2) through a middle square hole, and the connecting shaft (2) penetrates through the lower part of the positioning wrench (3); a pin hole is also arranged on the positioning wrench (3), has the same diameter with the pin hole on the bottom plate (13), and is used for inserting and positioning the shaft pin (14) into the two pin holes;
the upper end of the force measuring sensor (4) is connected with the shaft end of the connecting shaft (2); the lower end of the force measuring sensor (4) is connected with a sleeve screw rod (21) of the connecting sleeve (5);
a customized lock head (6) is arranged in a cavity at the lower end of the connecting sleeve (5), a round hole is radially arranged on the customized lock head (6), and a cylindrical pin shaft (20) is inserted in the round hole; two side faces of the connecting sleeve (5) are provided with opposite oblong holes, and the cylindrical pin shaft (20) can slide up and down in the oblong holes, so that the customized lock head (6) and the connecting sleeve (5) are assembled together;
the positioning wrench (3) can drive the force-measuring sensor (4), the connecting sleeve (5) and the customized lock head (6) below to rotate together through the connecting shaft (2).
2. A suspended force measuring device according to claim 1, wherein: and a nut (11) is arranged at the outer end of the bolt (10) and used for screwing and fixing the bolt (10).
3. A suspended force measuring device according to claim 1, wherein: and each of the two side plates (8) of the mounting frame (1) is provided with an eyebolt (12).
4. A suspended force measuring device according to claim 1, wherein: an angular contact joint bearing (16) is arranged between the connecting shaft (2) and the bottom plate (13).
5. A suspended force measuring device according to claim 1, wherein: and a gasket (17) is arranged between the positioning wrench (3) and the bottom plate (13) of the mounting frame (1).
6. A suspended force measuring device according to claim 1, wherein: two semicircular holes which have the same diameter and are different by 90 degrees are also arranged below the bottom surface of the bottom plate (13), one is an initial position hole, and the other is a fixed position hole; a positioning steel ball (15) is arranged on the top surface of the positioning wrench (3), and the positioning steel ball (15) has the same diameter with the two initial position holes and the fixed position holes under the bottom surface of the bottom plate (13) and is used for positioning the initial position and the fixed position when people fall into the two semicircular holes respectively.
7. Suspended force-measuring device according to claim 1 or 6, characterized in that: two locking nuts (18) and a backstop snap spring (19) are arranged on the connecting shaft (2) below the positioning wrench (3), and the vertical position of the positioning wrench (3) is fixed; the force measuring sensor (4) and the connecting shaft (2) are also locked by a locking nut (18) and a backstop clamp spring (19); the force measuring sensor (4) and the connecting sleeve (5) are also locked by a set of locking nut and a backstop clamp spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120068527.3U CN213932923U (en) | 2021-01-13 | 2021-01-13 | Suspension type force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120068527.3U CN213932923U (en) | 2021-01-13 | 2021-01-13 | Suspension type force measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932923U true CN213932923U (en) | 2021-08-10 |
Family
ID=77158371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120068527.3U Active CN213932923U (en) | 2021-01-13 | 2021-01-13 | Suspension type force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213932923U (en) |
-
2021
- 2021-01-13 CN CN202120068527.3U patent/CN213932923U/en active Active
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