CN-224202552-U - Large-scale weighing apparatus sensor limit protection device

Abstract

The utility model relates to the technical field of sensor protection of weighing machines, in particular to a limit protection device for a large-scale weighing machine sensor, which can effectively improve the stability of the structure of the device, avoid rollover, effectively prevent the sensor from toppling over, enhance the protection effect and improve the limit protection function of the sensor; including base and spacing protection component, base four corners department all is equipped with the mounting hole, lower jack has been seted up on the base top, lower jack bottom is equipped with two sets of threaded connection holes, lower spacing ring and lower jack are coaxial, annular array's four taper stopper of fixedly connected with down on the spacing ring, all cartridge has hexagon socket head cap screw in every bolt hole, the lid ring passes through hexagon socket head cap screw and installs in four sets of constant head tanks with the cooperation of screw hole, and the lid ring top aligns with taper stopper top, the lid ring internal diameter is the same with lower jack, lid ring bottom integral type fixedly connected with goes up the spacing ring, and go up spacing ring and spacing ring down the same size.

Inventors

• XU WEI
• ZHANG TIANXUE
• ZHANG DONGXUE

Assignees

• 齐齐哈尔市检验检测中心(黑龙江省特殊钢及制品质量监督检验中心)

Dates

Publication Date

20260505

Application Date

20250618

Claims (5)

1. 1. The limit protection device for the sensor of the large weighing apparatus is characterized by comprising a base (1) and a limit protection component; The base (1), four corners of the base (1) are provided with mounting holes (2), the top end of the base (1) is provided with a lower jack (3), and the bottom end of the lower jack (3) is provided with two groups of threaded connecting holes (4); Spacing protection component, spacing protection component includes spacing ring (5) and lid ring (8) down, spacing ring (5) fixed connection is on base (1) top down, spacing ring (5) and jack (3) coaxial heart down, annular array's fixedly connected with four sets of taper stopper (6) down on spacing ring (5), and four equal fixed connection in base (1) top of taper stopper (6) bottom of set, constant head tank (7) have all been seted up on four sets of taper stopper (6) tops, four sets of constant head tank (7) bottom all are equipped with the screw hole, annular array's be equipped with four bolt holes on lid ring (8), all cartridge has hexagon socket head cap bolt (9) in every bolt hole, lid ring (8) are installed in four sets of constant head tank (7) through hexagon socket head cap bolt (9) and screw hole's cooperation, and lid ring (8) top are aligned with taper stopper (6) top, lid ring (8) internal diameter is the same with jack (3) down, lid ring (8) bottom integral type's fixedly connected with goes up spacing ring (10), and go up spacing ring (10) and be the same with spacing ring (5) size down.
2. 2. A large scale weighing apparatus sensor limit protector according to claim 1, wherein the four sets of mounting holes (2) on the base (1) and the four sets of bolt holes on the cover ring (8) are counter bore structures.
3. 3. A large scale weighing apparatus sensor limit protection device according to claim 2, wherein the bottom end of the lower jack (3) is fixedly connected with a circular rubber pad (11), and two through holes are arranged on the circular rubber pad (11).
4. 4. A large scale weighing apparatus sensor limit protector according to claim 3, wherein the bottom ends of the four sets of positioning grooves (7) are fixedly connected with arc-shaped rubber pads (12).
5. 5. A large scale weighing apparatus sensor spacing protection device according to claim 4, characterized in that, spring washers (13) are sleeved on the four sets of inner hexagonal bolts (9).

Description

Large-scale weighing apparatus sensor limit protection device Technical Field The utility model relates to the technical field of weighing apparatus sensor protection, in particular to a limiting protection device for a large-scale weighing apparatus sensor. Background The weighing apparatus is a measuring device for weighing objects by utilizing the Hooke's law or the force lever balance principle, is widely applied to various departments of national economy and daily life of people, and when the large-scale weighing apparatus is used, a sensor is one of indispensable components, can sense the measured information, and can convert the sensed information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and when the current large-scale weighing apparatus sensor is used, a sensor limiting protection device is often required to protect the weighing apparatus sensor from toppling over. The utility model provides a large-scale weighing apparatus sensor limit protection device among the prior art, for example, the patent of publication number CN207556665U discloses a large-scale weighing apparatus sensor limit protection device, another example, the patent of publication number CN213021924U discloses a large-scale weighing apparatus sensor limit protection device, limit protection device among the above-mentioned two patents still has certain not enough, and above-mentioned two devices are two side supports, and when using, device structure is unstable enough, when bearing to the supporting body, takes place to turn on one's side easily, can't prevent effectively that the sensor from empting, can't reach effectual protection effect, its limit protection function still remains to improve. Disclosure of utility model In order to solve the technical problems, the utility model provides the large-scale weighing apparatus sensor limiting and protecting device which can effectively improve the stability of the structure of the device, avoid rollover, effectively prevent the sensor from toppling over, enhance the protecting effect and improve the limiting and protecting functions of the sensor. Technical proposal The utility model provides a limit protection device for a large weighing apparatus sensor, which comprises a base and limit protection components, wherein mounting holes are formed in four corners of the base, lower insertion holes are formed in the top end of the base, two sets of threaded connection holes are formed in the bottom end of the lower insertion holes, the limit protection components comprise lower limit rings and cover rings, the lower limit rings are fixedly connected to the top end of the base, the lower limit rings and the lower insertion holes are coaxial, four sets of cone-shaped limiting blocks are fixedly connected to the upper annular array of the lower limit rings, the bottom ends of the four sets of cone-shaped limiting blocks are fixedly connected to the top end of the base, positioning grooves are formed in the top ends of the four sets of cone-shaped limiting blocks, threaded holes are formed in the bottom ends of the four sets of positioning grooves, four bolt holes are formed in the annular array of the cover rings, hexagon socket bolts are inserted into the four sets of positioning grooves, the top ends of the cover rings are aligned with the cone-shaped limiting blocks through the matching of the hexagon bolts, the inner diameter of the cover rings is identical to the inner diameter of the lower insertion holes, the bottom ends of the cover rings are integrally connected with the upper limit rings, and the upper limit rings are identical to the size of the lower limit rings. Preferably, the four groups of mounting holes on the base and the four groups of bolt holes on the cover ring are counter bore structures. Preferably, the bottom end of the lower jack is fixedly connected with a round rubber pad, and two through holes are formed in the round rubber pad. Preferably, the four groups of positioning grooves are fixedly connected with arc-shaped rubber pads at the bottom ends. Preferably, the four groups of hexagon socket head bolts are sleeved with spring washers. The sensor has the advantages that when the sensor is installed, the base is fixedly installed at a proper position through the matching of the bolts and the installation holes, the bottom of the sensor of the large weighing apparatus is installed in the lower insertion hole, the sensor is well fixed through the matching of the bolts and the threaded connection holes, after the sensor is installed, four groups of conical limiting blocks are encircling around the sensor, then the cover ring is installed in the positioning groove, the cover ring is well fixed through the inner hexagon bolts, the upper limiting ring surrounds the upper side of the senso