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CN-122016451-A - Load loading device of mechanical metering device

CN122016451ACN 122016451 ACN122016451 ACN 122016451ACN-122016451-A

Abstract

The invention discloses a load loading device of a mechanical metering device, which comprises a load loading mechanism, wherein the load loading mechanism is provided with a positioning mechanism, the load loading mechanism comprises a base, a test frame is fixedly connected to the base, the cleaning component drives a rotating cavity to rotate, so that the metering device reaches a test area for testing, in the test process, the metering device can be clamped by a clamping component, thereby enabling the metering device to perform continuous test operation, greatly shortening the test period, and before the metering device enters the test area, a locking component can walk to the convex surface of a cam to further lock the clamping component, a rebound component slides in a track and is moved by the convex surface of the track, if the test board is separated from a switch at the moment, an alarm can be given at the moment, and further, the function of automatically detecting the clamping effect can be realized, and the test data deviation or the meter falling caused by clamping failure can be avoided.

Inventors

  • LUAN DAWEI
  • LI TAO
  • YUAN TAO
  • WANG SHEN

Assignees

  • 烟台市标准计量检验检测中心(国家蒸汽流量计量烟台检定站、烟台市质量技术监督评估鉴定所)

Dates

Publication Date
20260512
Application Date
20260203

Claims (10)

  1. 1. The load loading device of the mechanical measuring instrument comprises a load loading mechanism (100), and is characterized in that a positioning mechanism (200) is arranged on the load loading mechanism (100); The load loading mechanism (100) comprises a base (101), a test frame (102) is fixedly connected to the base (101), a loading assembly (103) and a cleaning assembly (106) are respectively arranged above and below the test frame (102), two brackets (105) are fixedly connected to the back of the test frame (102), and racks (107) are fixedly connected to the two brackets (105); The positioning mechanism (200) comprises a rotating cavity (201), two gear rings (2012) of the rotating cavity (201) are respectively meshed with two first gears (1063) of the cleaning assembly (106), cams (204) are fixedly connected to two ends of a center shaft (2013) of the rotating cavity (201), two discs (206) are fixedly connected to the center shaft (2013), two guide rails (207) are fixedly connected to the discs (206), a track is formed between the two guide rails (207), a plurality of rebound assemblies (208) are arranged, and each two rebound assemblies (208) penetrate through the rotating cavity (201) and are connected with a test plate (205); Both sides of the rotating cavity (201) are provided with a plurality of clamping assemblies (202) and a plurality of locking assemblies (203), the rotating cavity (201) rotates to enable the locking assemblies (203) and the clamping assemblies (202) to move along, guide wheels (2034) of the locking assemblies (203) walk to the convex surfaces of the cams (204) in advance, so that toothed plates (2031) of the locking assemblies (203) are locked with second gears (2025) of the clamping assemblies (202), and after a loading test, the second gears (2025) are driven with racks (107), and the dismantling tool is fixed.
  2. 2. Load loading device for a mechanical metering device according to claim 1, characterized in that a collecting box (104) is provided above the base (101) and below the cleaning assembly (106).
  3. 3. The load loading device of a mechanical metering device according to claim 1, wherein the loading assembly (103) comprises an electric push rod (1031), the electric push rod (1031) is fixedly installed on the test frame (102), one end of the electric push rod (1031) is fixedly connected with a test frame (1032), and ballast equipment (1033) is installed in the test frame (1032).
  4. 4. A load loading device of a mechanical measuring instrument according to claim 3, wherein an arc-shaped block (1035) is fixedly connected to the lower part of the test frame (1032), and two alignment heads (1034) are fixedly connected to the lower parts of the arc-shaped blocks (1035).
  5. 5. The load loading device of a mechanical metering device according to claim 1, wherein the cleaning assembly (106) comprises a rotating shaft (1064), a roller brush (1065) is installed on the rotating shaft (1064), the rotating shaft (1064) is rotatably installed on two side frames (1062) through two bearings, the two side frames (1062) are fixedly connected to the test frame (102), two first gears (1063) are fixedly connected to the rotating shaft (1064), one end of the rotating shaft (1064) is fixed to an output shaft of a motor (1061), and the motor (1061) is installed on the test frame (102).
  6. 6. The load loading device of a mechanical metering device according to claim 1, wherein the rotating cavity (201) comprises a compartment (2011), an alarm (210) is installed on the compartment (2011), two gear rings (2012) are fixedly installed on the compartment (2011), and a plurality of alignment ports (2014) are formed in the compartment (2011).
  7. 7. The load loading device of a mechanical measuring instrument according to claim 6, wherein the separation chamber (2011) is rotatably mounted on a central shaft (2013) through a bearing, and two ends of the central shaft (2013) are respectively fixed with two sides of the test frame (102).
  8. 8. The load loading device of a mechanical metering device according to claim 6, wherein the clamping assembly (202) comprises a screw rod (2022), a second gear (2025) and a handle (2021) are installed on the screw rod (2022), the screw rod (2022) is rotatably installed on the compartment (2011) through a bearing, a threaded cylinder (2023) is connected to the screw rod (2022) in a threaded manner, a clamping plate (2024) is fixedly connected to one end of the threaded cylinder (2023), the clamping plate (2024) is slidably arranged in the compartment (2011), and a telescopic rod (2026) is fixedly connected between the clamping plate (2024) and the side wall of the compartment (2011).
  9. 9. The load loading device of a mechanical metering device according to claim 8, wherein the locking assembly (203) comprises a hole sleeve (2033), the hole sleeve (2033) is fixedly connected to the separation cavity (2011), a guide rod (2035) is slidably connected to the hole sleeve (2033), a toothed plate (2031) and a guide wheel (2034) are respectively and fixedly connected to two ends of the guide rod (2035), and a first spring (2032) is fixedly connected between the toothed plate (2031) and the hole sleeve (2033).
  10. 10. The load loading device of a mechanical metering device according to claim 6, wherein the rebound assembly (208) comprises a sliding sleeve (2083), the sliding sleeve (2083) is mounted on the compartment (2011), a sliding rod (2084) is slidingly connected in the sliding sleeve (2083), the sliding rod (2084) is fixed with a test plate (205), the test plate (205) is overlapped with a switch (209), and the switch (209) is mounted in the compartment (2011); The device is characterized in that an adjusting sleeve (2085) is connected to the sliding rod (2084) in a sliding mode, a roller body (2082) is arranged on one side of the adjusting sleeve (2085), a second spring (2081) is fixedly connected between the adjusting sleeve (2085) and the bottom end of the sliding rod (2084), the roller body (2082) is connected to the track in a sliding mode, and the track is oval.

Description

Load loading device of mechanical metering device Technical Field The invention relates to the technical field of mechanical metering, in particular to a load loading device of a mechanical metering device. Background In the field of mechanical metering, the pressure resistance of a test piece can be tested by applying a standard load to the test piece. At present, the load loading device in the prior art is mostly designed in a single-station mode, different test pieces cannot be continuously fixed and tested, the test pieces are required to be manually disassembled and assembled and the clamping state is re-calibrated during station conversion, the efficiency is low, an automatic detection mechanism for clamping effect is lacked, test data distortion is easily caused by clamping looseness, even the test piece falling risk is caused, meanwhile, scraps generated by breaking of the test pieces in the load loading process are easily splashed, equipment is polluted, the follow-up test is influenced, the safety of operators is possibly endangered, manual cleaning is required, and the test continuity is further reduced. Disclosure of Invention The invention aims to solve the problems that in the prior art, a load loading device is mostly of a single-station design, continuous fixing and testing cannot be carried out on different test pieces, an automatic detection mechanism for clamping effect is lacked, test data distortion is easily caused by clamping loosening, even the risk of falling off of the test pieces is caused, meanwhile, scraps generated by breaking the test pieces in the load loading process are easily splashed, equipment is polluted, the subsequent testing is influenced, safety of operators is possibly endangered, manual cleaning is needed, and the testing continuity is further reduced. In order to achieve the above purpose, the present invention adopts the following technical scheme: The load loading device of the mechanical metering appliance comprises a load loading mechanism, wherein a positioning mechanism is arranged on the load loading mechanism; The load loading mechanism comprises a base, a test frame is fixedly connected to the base, a loading assembly and a cleaning assembly are respectively arranged above and below the test frame, two brackets are fixedly connected to the back of the test frame, and racks are fixedly connected to the two brackets; The positioning mechanism comprises a rotating cavity, two gear rings of the rotating cavity are respectively meshed with two first gears of the cleaning assembly, cams are fixedly connected to two ends of a center shaft of the rotating cavity, two discs are fixedly connected to the center shaft, two guide rails are fixedly connected to the discs, a track is formed between the two guide rails, a plurality of rebound assemblies are arranged between the two guide rails, and each rebound assembly penetrates through the rotating cavity and is connected with the test board; The two sides of the rotating cavity are respectively provided with a plurality of clamping assemblies and a plurality of locking assemblies, the locking assemblies and the clamping assemblies move along with each other through the rotation of the rotating cavity, the guide wheels of the locking assemblies walk to the convex surfaces of the cams in advance, the toothed plates of the locking assemblies are locked with the second gears of the clamping assemblies, after a loading test, the second gears are driven with racks, and the dismantling device is fixed. Preferably, a collecting box is arranged above the base and below the cleaning assembly. Preferably, the loading assembly comprises an electric push rod, the electric push rod is fixedly arranged on the test frame, one end of the electric push rod is fixedly connected with a test frame, and ballast equipment is arranged in the test frame. Preferably, the arc-shaped block is fixedly connected to the lower portion of the test frame, and two alignment heads are fixedly connected to the lower portion of the arc-shaped block. Preferably, the cleaning assembly comprises a rotating shaft, a roller brush is arranged on the rotating shaft, the rotating shaft is rotatably arranged on two side frames through two bearings, the two side frames are fixedly connected to the test frame, two first gears are fixedly connected to the rotating shaft, one end of the rotating shaft is fixed to an output shaft of the motor, and the motor is arranged on the test frame. Preferably, the rotating cavity comprises a separation cavity, an alarm is arranged on the separation cavity, two gear rings are fixedly arranged on the separation cavity, and a plurality of alignment ports are formed in the separation cavity. Preferably, the separation chamber is rotatably arranged on the middle shaft through a bearing, and two ends of the middle shaft are respectively fixed with two sides of the test frame. Preferably, the clamping assembly comprises a screw, a sec