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CN-224230920-U - Arc measurement control device with height adjustment structure

CN224230920UCN 224230920 UCN224230920 UCN 224230920UCN-224230920-U

Abstract

The disclosure provides an arc measurement control device with a height adjusting structure, and belongs to the technical field of measuring tools. The arc measurement control device with the height adjusting structure comprises a tripod, wherein a threaded rod is connected to the tripod in a threaded mode, at least one extension rod is detachably arranged at the top end of the threaded rod, an electromagnetic switch is detachably arranged at the top end of the extension rod, a measurement assembly is mounted on the electromagnetic switch, the measurement assembly is used for measuring arc radian, and the electromagnetic switch is used for controlling the opening and closing of the measurement assembly. The arc measurement control device with the height adjusting structure realizes the measurement height of the adjusting device, realizes automatic measurement of the arc angle, calculates the corresponding arc radian and improves the measurement efficiency and the measurement accuracy.

Inventors

  • ZHANG QINDONG
  • ZENG JINGYING
  • YU FEIJIANG
  • CHEN HAONING
  • WANG XINZHU

Assignees

  • 厦门特房建设工程集团有限公司

Dates

Publication Date
20260512
Application Date
20250416

Claims (10)

  1. 1. The arc measurement control device with the height adjusting structure comprises a tripod (1) and is characterized in that a threaded rod (11) is connected to the tripod (1) in a threaded mode, at least one extension rod (12) is detachably arranged at the top end of the threaded rod (11), an electromagnetic switch (2) is detachably arranged at the top end of the extension rod (12), and a measurement assembly (3) is arranged on the electromagnetic switch (2); The electromagnetic switch (2) is used for controlling the opening and closing of the measuring assembly (3).
  2. 2. The arc measurement control device with height adjustment structure according to claim 1, characterized in that the number of extension bars (12) is at least two; At least two extension bars (12) are sequentially and detachably arranged at the top end of the threaded rod (11).
  3. 3. The arc measurement control device with a height adjustment structure according to claim 1, wherein the electromagnetic switch (2) includes: the first shell (21) is detachably arranged at the top end of the extension rod (12); The electromagnet (22) is arranged on the inner wall of the bottom end of the first shell (21), a guide hole (23) is formed in the electromagnet (22), a guide sleeve (24) is slidably arranged in the guide hole (23), the top end of the guide sleeve (24) extends out of the electromagnet (22) to be connected with the magnetic attraction piece (26), and the magnetic attraction piece (26) is slidably arranged in the first shell (21); The first spring (25) is arranged in the guide sleeve (24), one end of the first spring (25) is connected with the magnetic attraction piece (26), and the other end of the first spring (25) extends into the guide hole (23) and is connected with the first shell (21); The trigger rod (27) is arranged at the top end of the magnetic suction piece (26), the first shell (21) extends out of the top end of the trigger rod (27), the trigger rod (27) can reciprocate in the first shell (21), a protruding block (28) is arranged on the outer wall of the upper portion of the trigger rod (27), and the protruding block (28) is used for limiting the measuring assembly (3).
  4. 4. A circular arc measurement control device with height adjustment structure according to claim 3, characterized in that the measurement assembly (3) comprises: A second housing (31) provided on the first housing (21), the second housing (31) being provided with a fixing ring (32); The third shell (35) is rotatably arranged in the fixed ring (32), a second spring (36) is arranged in the third shell (35), one end of the second spring (36) is connected with the third shell (35), and the other end of the second spring (36) is connected with the second shell (31); The sleeve (37) is arranged in the third shell (35), the second spring (36) is sleeved on the sleeve (37), a guide groove (38) is formed in the circumferential inner wall of the sleeve (37), the top end of the trigger rod (27) extends into the sleeve (37), the trigger rod (27) can reciprocate in the sleeve (37), and the protruding block (28) is slidably mounted in the guide groove (38).
  5. 5. The arc measurement control device with the height adjusting structure according to claim 4, wherein a second measurement arm (311) is arranged on the outer wall of one side of the third housing (35), a connecting rod (39) is arranged on the outer wall of the other side of the third housing (35), a first measurement arm (33) is arranged above the connecting rod (39), and the first measurement arm (33) is fixedly connected to the fixed ring (32).
  6. 6. The arc measurement control device with the height adjusting structure according to claim 5, wherein the first measuring arm (33) and the second measuring arm (311) are respectively slidably provided with an extension arm (312), and the extension arm (312) is provided with a micro switch (318).
  7. 7. The arc measurement control device with the height adjustment structure according to claim 6, wherein at least one mounting groove (315) extending along the axial direction is formed on each of the first measurement arm (33) and the second measurement arm (311), at least one threaded post (313) corresponding to the mounting groove (315) is formed on the extension arm (312), and a nut (314) is connected to the threaded post (313) in a threaded manner; The extension arm (312) is connected with the first measuring arm (33) and the second measuring arm (311) through the threaded column (313) and the nut (314) respectively.
  8. 8. The arc measurement control device with the height adjusting structure according to claim 5, wherein a controller (317) is provided on the second housing (31), and the controller (317) is electrically connected to the electromagnet (22) and the micro switch (318), respectively.
  9. 9. The arc measurement control device with the height adjustment structure according to claim 8, wherein a resistor piece (316) is provided on a circumferential inner wall of the second housing (31), a sliding contact (310) abutting against the resistor piece (316) is provided on the link (39), and the controller (317) is electrically connected to the resistor piece (316) and the sliding contact (310), respectively.
  10. 10. The arc measurement control device with the height adjustment structure according to claim 4, wherein the third housing (35) is rotatably connected to the retainer ring (32) through a bearing (34).

Description

Arc measurement control device with height adjustment structure Technical Field The disclosure relates to the technical field of measuring tools, and in particular relates to an arc measurement control device with a height adjusting structure. Background In the design, construction and maintenance stages of a building, various parameters of the building need to be accurately acquired so as to ensure the construction quality of the building and maintain the safety and the attractiveness of the building. Arc radian is an important parameter of a building, and the prior art generally utilizes a protractor to measure the angle and chord length of an arc, so as to calculate radian. However, the measuring tool has the following defects that 1, the existing protractor is only suitable for measuring low-height building circular arcs, when facing to building circular arcs at higher positions, the measuring work cannot be effectively carried out due to difficulty in approaching to a measuring target, and a great potential safety hazard exists in climbing measurement, 2, the existing protractor has low automation degree, relies on manual reading and manual operation, has the problems of labor consumption and low measuring efficiency, and is easy to introduce errors due to human factors, so that the measuring accuracy is reduced. In order to solve the above problems, an arc measurement control device having a height adjusting structure is designed. Disclosure of utility model The purpose of the present disclosure is to overcome the shortcomings of the prior art, and provide a circular arc measurement control device with a height adjustment structure, to realize adjustment of measurement height, automatic measurement of circular arc angle, and improvement of measurement efficiency and measurement accuracy. In order to achieve the above purpose, the present disclosure adopts the following technical scheme: the arc measurement control device with the height adjusting structure comprises a tripod, wherein a threaded rod is connected to the tripod in a threaded mode, at least one extension rod is detachably arranged at the top end of the threaded rod, an electromagnetic switch is detachably arranged at the top end of the extension rod, and a measurement assembly is mounted on the electromagnetic switch; The electromagnetic switch is used for controlling the opening and closing of the measuring assembly. In one exemplary embodiment of the present disclosure, the number of extension bars is at least two; at least two extension bars can be detached in proper order and set up the threaded rod top. In one exemplary embodiment of the present disclosure, the electromagnetic switch includes: the first shell is detachably arranged at the top end of the extension rod; The electromagnet is arranged on the inner wall of the bottom end of the first shell, a guide hole is formed in the electromagnet, a guide sleeve is slidably arranged in the guide hole, the top end of the guide sleeve extends out of the electromagnet to be connected with the magnetic attraction piece, and the magnetic attraction piece is slidably arranged in the first shell; The first spring is arranged in the guide sleeve, one end of the first spring is connected with the magnetic attraction piece, and the other end of the first spring extends into the guide hole and is connected with the first shell; The trigger rod is arranged at the top end of the magnetic suction sheet, the top end of the trigger rod extends out of the first shell, the trigger rod can reciprocate in the first shell, a lug is arranged on the outer wall of the upper part of the trigger rod, and the lug is used for limiting the measuring assembly. In one exemplary embodiment of the present disclosure, the measurement assembly includes: The second shell is arranged on the first shell, and a fixing ring is arranged on the second shell; The third shell is rotatably arranged in the fixed ring, a second spring is arranged in the third shell, one end of the second spring is connected with the third shell, and the other end of the second spring is connected with the second shell; the sleeve is arranged in the third shell, the second spring is sleeved on the sleeve, a guide groove is formed in the circumferential inner wall of the sleeve, the top end of the trigger rod extends into the sleeve, the trigger rod can reciprocate in the sleeve, and the protruding block is slidably mounted in the guide groove. In an exemplary embodiment of the disclosure, a second measuring arm is disposed on an outer wall of one side of the third housing, a connecting rod is disposed on an outer wall of the other side of the third housing, a first measuring arm is disposed above the connecting rod, and the first measuring arm is fixedly connected to the fixing ring. In an exemplary embodiment of the disclosure, the first measuring arm and the second measuring arm are respectively slidably mounted with an extension arm, and a micro