CN214224025U - Hydraulic support height measuring device - Google Patents
Hydraulic support height measuring device Download PDFInfo
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- CN214224025U CN214224025U CN202023225997.0U CN202023225997U CN214224025U CN 214224025 U CN214224025 U CN 214224025U CN 202023225997 U CN202023225997 U CN 202023225997U CN 214224025 U CN214224025 U CN 214224025U
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- sheath
- joint
- hydraulic support
- liquid pipe
- measuring device
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Abstract
The utility model discloses a height measuring device for a hydraulic support, which comprises a liquid pipe, wherein two ends of the liquid pipe are respectively provided with a detection component, the detection component comprises a shell with a perforation, and a pressure sensor, a circuit board and a four-core socket which are arranged in the shell, the end part of the liquid pipe passes through the perforation and then is connected with the pressure sensor, and the pressure sensor and the four-core socket are respectively and electrically connected with the circuit board; the utility model discloses a hydraulic support height measurement device, when the both ends of liquid pipe produced the difference in height, through the pressure value at two pressure sensor detection liquid pipe both ends to output after converting this pressure value into the height value through the circuit board, can directly obtain the height data of liquid pipe, and then the conversion obtains hydraulic support's height data, and measurement accuracy is high, processing is convenient.
Description
Technical Field
The utility model belongs to the technical field of measure, especially, relate to a hydraulic support height measuring device.
Background
During coal mining, the height of the hydraulic support is generally known to know the attitude of the hydraulic support and determine further operations.
The traditional method is that a sensor is arranged on each joint of a hydraulic support to measure the angle of each joint, and then the total height of the support is calculated according to the geometric dimension of the hydraulic support.
Disclosure of Invention
The utility model aims to solve the technical problem that a can accurately obtain hydraulic support height measuring device of hydraulic support height is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a hydraulic support height measuring device, includes the liquid pipe, liquid pipe both ends be provided with detection component respectively, detection component including have fenestrate shell and set up the shell in pressure sensor, circuit board and four-core socket, the tip of liquid pipe pass the perforation after with pressure sensor connect, pressure sensor four-core socket respectively with the circuit board electricity be connected.
The perforation department rotate and be provided with the joint sheath, the joint sheath with the perforation between through the sealed cooperation of waterproof sealing circle, the outside cover of liquid pipe be equipped with the rubber tube sheath, the liquid pipe pass the joint sheath after with pressure sensor connect, the both ends cladding of rubber tube sheath the outside of joint sheath.
The joint sheath is provided with a first limiting pin extending outwards in the radial direction, the shell is provided with a second limiting pin extending in the axial direction, and the first limiting pin is matched with the second limiting pin to limit the maximum rotating angle of the joint sheath.
The shell is provided with an extension section close to the perforation, a first annular groove is formed in the inner side wall of the extension section, a second annular groove corresponding to the first annular groove is formed in the joint sheath, the first annular groove and the second annular groove are spliced to form an annular cavity, and a flexible positioning pin is arranged in the annular cavity.
The outer walls of the two ends of the rubber hose sheath are also provided with steel sleeves, and the steel sleeves fix and tightly press the end parts of the rubber hose sheath on the joint sheath;
the outer wall of the joint sheath, the inner side and the outer side of the end part of the rubber hose sheath and the inner side of the steel sleeve are respectively of a sawtooth structure, the sawtooth structure of the outer wall of the joint sheath is mutually clamped with the sawtooth structure of the inner side of the end part of the rubber hose sheath, and the sawtooth structure of the outer side of the end part of the rubber hose sheath is mutually clamped with the sawtooth structure of the inner side of the steel sleeve;
the joint sheath is also provided with a limit groove, the end part of the steel sleeve is inwards sunken to form a bulge matched with the limit groove, and the bulge and the limit groove are fixed through compression.
Compared with the prior art, the utility model has the advantages of:
1. the two detection assemblies are respectively arranged on the base and the top beam of the hydraulic support, height difference can be generated at two ends of the liquid pipe, pressure values at two ends of the liquid pipe are detected through the two pressure sensors, the pressure values are converted into height values through the circuit board and then output, height data of the liquid pipe can be directly obtained, and then the height data of the hydraulic support can be obtained through conversion, so that the measurement precision is high, and the processing is convenient;
2. the first limiting pin and the second limiting pin are matched to limit the maximum rotation angle of the joint sheath, and the maximum rotation angle of the joint sheath is smaller than 360 degrees, so that the rubber tube sheath connected with the joint sheath is prevented from being excessively twisted, and the reliability is good;
3. the arrangement of the steel sleeve further enhances the connection stability between the rubber hose sheath and the joint sheath, prevents the rubber hose sheath and the joint sheath from falling off, and has better reliability.
Drawings
Fig. 1 is a schematic structural view of a height measuring device for a hydraulic support according to the present invention;
fig. 2 is an enlarged view of a part a of the hydraulic support height measuring device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The first embodiment is as follows:
as shown in fig. 1 the utility model relates to a hydraulic support height measuring device, including liquid pipe 5, liquid pipe 5 both ends are provided with the determine module respectively, and the determine module is connected with pressure sensor 2 including having fenestrate shell 4 and setting up pressure sensor 2, circuit board 3 and four-core socket 1 in shell 4 after the tip of liquid pipe 5 passes the perforation, and pressure sensor 2, four-core socket 1 are connected with circuit board 3 electricity respectively.
The perforation department rotates and is provided with joint sheath 7, connects through waterproof sealing circle 8 sealed fit between sheath 7 and the perforation, and the outside cover of liquid pipe 5 is equipped with rubber tube sheath 6, and liquid pipe 5 passes and is connected with pressure sensor 2 behind the joint sheath 7, and the both ends cladding of rubber tube sheath 6 is in the outside of connecting sheath 7.
A first limiting pin 10 extending radially outwards is arranged on the joint sheath 7, a second limiting pin 11 extending axially is arranged on the shell 4, and the first limiting pin 10 is matched with the second limiting pin 11 to limit the maximum rotation angle of the joint sheath 7; when the joint sheath 7 rotates, the first limit pin 10 contacts with the second limit pin 11, so that the maximum rotation angle of the joint sheath 7 is smaller than 360 degrees.
The shell 4 has the extension section near the perforation, has first ring channel on the inside wall of extension section, offers the second ring channel corresponding with first ring channel on the joint sheath, and first ring channel and second ring channel splice form annular cavity 9, are provided with flexible locating pin in the annular cavity 9, and preferably, this flexible locating pin can be the steel wire.
The two detection assemblies are respectively installed on a base and a top beam of the hydraulic support, height difference is generated at two ends of a liquid pipe 5, pressure in the liquid pipe 5 respectively acts on the two pressure sensors 2, the two pressure sensors 2 respectively send detected pressure values to corresponding circuit boards 3 in a signal mode, the circuit boards 3 convert the pressure values into corresponding height values and transmit the height values to a control terminal through the four-core socket 1, the height values H1 and H2 at two ends are respectively obtained, and then H1+ H2 are the height H of the measured hydraulic support.
Example two:
the rest is the same as the first embodiment, except that:
the outer walls of the two ends of the rubber hose sheath 6 are also provided with steel sleeves 12, and the steel sleeves 12 fix and tightly press the end parts of the rubber hose sheath 6 on the joint sheath 7; the outer wall of the joint sheath 7, the inner side and the outer side of the end part of the rubber hose sheath 6 and the inner side of the steel sleeve 12 are respectively of a sawtooth structure, the sawtooth structure of the outer wall of the joint sheath 7 is mutually clamped with the sawtooth structure of the inner side of the end part of the rubber hose sheath 6, and the sawtooth structure of the outer side of the end part of the rubber hose sheath 6 is mutually clamped with the sawtooth structure of the inner side of the steel sleeve 12; a limiting groove is further formed in the joint sheath 7, the end of the steel sleeve 12 is recessed inwards to form a protrusion matched with the limiting groove, and the protrusion and the limiting groove are fixed through compression; the matching design of the structure further enhances the connection stability between the rubber hose sheath 6 and the joint sheath 7.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, but not for limiting the scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design spirit of the present invention, and the scope of the present invention is subject to the claims.
Claims (5)
1. The utility model provides a hydraulic support height measuring device, includes the liquid pipe, its characterized in that the liquid pipe both ends be provided with detection component respectively, detection component including have fenestrate shell and set up the shell in pressure sensor, circuit board and four-core socket, the tip of liquid pipe pass behind the perforation with pressure sensor be connected, pressure sensor, four-core socket respectively with the circuit board electricity be connected.
2. The hydraulic support height measuring device according to claim 1, wherein the through hole is rotatably provided with a joint sheath, the joint sheath is in sealing fit with the through hole through a waterproof sealing ring, a rubber tube sheath is sleeved outside the liquid tube, the liquid tube penetrates through the joint sheath and then is connected with the pressure sensor, and two ends of the rubber tube sheath are wrapped outside the joint sheath.
3. The hydraulic mount height measuring device of claim 2, wherein the joint jacket has a first radially outwardly extending limit pin, the housing has a second axially extending limit pin, and the first limit pin cooperates with the second limit pin to limit the maximum angle of rotation of the joint jacket.
4. The hydraulic support height measuring device according to claim 2 or 3, wherein the housing has an extension section near the through hole, a first annular groove is formed in an inner side wall of the extension section, a second annular groove corresponding to the first annular groove is formed in the joint sheath, the first annular groove and the second annular groove are spliced to form an annular cavity, and a flexible positioning pin is arranged in the annular cavity.
5. The hydraulic support height measuring device according to claim 3, wherein the outer walls of the two ends of the rubber hose sheath are provided with steel sleeves, and the steel sleeves fix and press the ends of the rubber hose sheath on the joint sheath;
the outer wall of the joint sheath, the inner side and the outer side of the end part of the rubber hose sheath and the inner side of the steel sleeve are respectively of a sawtooth structure, the sawtooth structure of the outer wall of the joint sheath is mutually clamped with the sawtooth structure of the inner side of the end part of the rubber hose sheath, and the sawtooth structure of the outer side of the end part of the rubber hose sheath is mutually clamped with the sawtooth structure of the inner side of the steel sleeve;
the joint sheath is also provided with a limit groove, the end part of the steel sleeve is inwards sunken to form a bulge matched with the limit groove, and the bulge and the limit groove are fixed through compression.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023225997.0U CN214224025U (en) | 2020-12-28 | 2020-12-28 | Hydraulic support height measuring device |
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CN202023225997.0U CN214224025U (en) | 2020-12-28 | 2020-12-28 | Hydraulic support height measuring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023202251A1 (en) * | 2022-04-21 | 2023-10-26 | 北京天玛智控科技股份有限公司 | Height measurement sensor |
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2020
- 2020-12-28 CN CN202023225997.0U patent/CN214224025U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023202251A1 (en) * | 2022-04-21 | 2023-10-26 | 北京天玛智控科技股份有限公司 | Height measurement sensor |
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