阅读说明：本技术 一种自卸压式锚杆的卸压阈值检测装置 (Pressure relief threshold detection device of self-discharging pressure formula stock ) 是由 娄培杰 于 2021-07-21 设计创作，主要内容包括：本发明公开一种自卸压式锚杆的卸压阈值检测装置,属于锚杆卸压阈值检测装置领域,包括测试管,所述测试管连接有双通球阀,双通球阀另一端连接有泄压管,所述测试管设有第一安装板,第一安装板上设有导向管,导向管上活动安装由于压力测试环,压力测试环上设有保险膜,所述保险膜与压力测试环将整个测试管截面密封,压力测试环上设有定位装置,测试管外设有用于检测所述定位装置的检测环；通过对液压支撑件进行阈值检测避免液压支撑件压力过到导致锚杆过度拉升导致锚杆的锚固性能收到影响。(The invention discloses a pressure relief threshold detection device for a self-discharging pressure type anchor rod, which belongs to the field of anchor rod pressure relief threshold detection devices and comprises a test tube, wherein the test tube is connected with a two-way ball valve, the other end of the two-way ball valve is connected with a pressure relief tube, the test tube is provided with a first mounting plate, the first mounting plate is provided with a guide tube, a pressure test ring is movably mounted on the guide tube, a safety film is arranged on the pressure test ring, the safety film and the pressure test ring seal the section of the whole test tube, the pressure test ring is provided with a positioning device, and the test tube is externally provided with a detection ring for detecting the positioning device; through carrying out threshold value detection to hydraulic support spare, avoid hydraulic support spare pressure to lead to the stock excessively to draw to rise the anchor performance that leads to the stock to receive the influence.)

1. The utility model provides a pressure relief threshold value detection device from unloading pressure formula stock, includes test tube (1), its characterized in that, test tube (1) is connected with bi-pass ball valve (2), and bi-pass ball valve (2) other end is connected with pressure release pipe (3), test tube (1) is equipped with first mounting panel (11), is equipped with stand pipe (12) on first mounting panel (11), is equipped with first spring (13) between pressure test ring (17) and first mounting panel (11), and movable mounting is gone up because pressure test ring (17) to stand pipe (12), is equipped with the rupture disk on pressure test ring (17), the rupture disk seals whole test tube (1) cross-section with pressure test ring (17), is equipped with positioner on pressure test ring (17), and test tube (1) is equipped with outward and is used for detecting positioner's detection ring (18).

2. The device for detecting the pressure relief threshold of the self-discharging pressure type anchor rod according to claim 1, wherein the pressure test ring (17) is provided with a magnet, the test tube (1) is made of austenitic stainless steel, and the detection ring (18) is provided with a magnet sensor.

3. The pressure relief threshold detection device for a self-discharging anchor rod of claim 2, wherein the magnet sensor is a hall effect sensor.

4. The device for detecting the pressure relief threshold of the self-discharging pressure-releasing type anchor rod according to claim 3, wherein the guide tube (12) is provided with a first yielding groove (19), a sliding block (15) is arranged in the guide tube (12), the sliding block (15) and the pressure testing ring (17) are connected with each other through a first connecting rod (16), and the first connecting rod (16) is located in the first yielding groove (19).

5. The device for detecting the pressure relief threshold of the self-discharging pressure type anchor rod according to claim 1, wherein the pressure relief pipe (3) is provided with a first branch pipe (31), and one end of the pressure relief pipe (3) far away from the two-way ball valve (2) is sealed.

6. The pressure relief threshold detection device of a self-discharging pressure type anchor rod according to claim 5, characterized in that, be equipped with first mounting panel (32) on the pressure relief pipe (3), be equipped with first pivot (33) on first mounting panel (32), the one end that first pivot (33) is close to bi-pass ball valve (2) is equipped with first blade (34), movable mounting has first ring of testing the speed (35) on the terminal surface that bi-pass ball valve (2) was kept away from in pressure relief pipe (3), be equipped with first internal gear (37) on first ring of testing the speed (35), the one end that bi-pass ball valve (2) was kept away from in first pivot (33) is equipped with first gear (38), first gear (38) and first internal gear (37) intermeshing.

7. The device for detecting the pressure relief threshold of the self-discharging pressure type anchor rod according to claim 5, wherein the first speed measuring ring (35) is provided with a test pointer (36).

Technical Field

The utility model belongs to stock release threshold value detection device field, concretely relates to pressure relief threshold value detection device from unloading pressure formula stock.

Background

The anchor rod is the most basic component of roadway support in the contemporary coal mine, and the anchor rod can be excessively pulled up due to the change of a stress environment in the anchor rod support process, so that the anchoring performance of the anchor rod is influenced, and therefore, the self-pressure-release type anchor rod support structure is provided, and the pressure can be released in a mode that the pressure release sleeve slides axially relative to the inner rod. The anchor rod comprises an inner rod and is characterized in that a pressure relief sleeve is arranged on the inner rod, the pressure relief sleeve is sleeved on the inner rod and can be assembled with the inner rod in an axial sliding mode, the pressure relief sleeve moves along the inner rod to achieve specific elastic damping, an outer rod is sleeved on the inner rod in an axial sliding mode, the outer rod is fixed on the side wall of a roadway around the opening end of an anchor hole, a hydraulic support piece with constant telescopic pressure is arranged between the outer rod and the inner rod, the position of the hydraulic support piece can be changed when the anchor rod is subjected to pressure relief, pressure is guaranteed to be constant, and the hydraulic support piece threshold value detection device is provided firstly to avoid accidents caused by the fact that the pressure of the hydraulic support piece is excessively increased.

Disclosure of Invention

To prior art's not enough, this disclosed aim at provides a colliery is prevented roadster device in inclined drifts transportation, has solved among the prior art hydraulic support spare pressure and has crossed to lead to the stock excessively to draw and rise and lead to the occurence of failure problem.

The purpose of the disclosure can be realized by the following technical scheme:

the utility model provides a from release threshold value detection device of pressure relief formula stock, includes the test tube, the test tube is connected with the bi-pass ball valve, and the bi-pass ball valve other end is connected with the pressure release pipe, the test tube is equipped with first mounting panel, is equipped with the stand pipe on the first mounting panel, and movable mounting is equipped with the rupture membrane on the stand pipe because the pressure test ring, the last rupture membrane that is equipped with of pressure test ring, the rupture membrane is sealed whole test tube cross-section with the pressure test ring, is equipped with positioner on the pressure test ring, is equipped with outside the test tube to be used for detecting positioner's detection ring.

Furthermore, a magnet is arranged on the pressure testing ring, the testing tube is made of austenitic stainless steel, and a magnet sensor is arranged on the detecting ring.

Further, the magnet sensor is a hall effect sensor.

Furthermore, set up the first groove of stepping down on the stand pipe, be equipped with the sliding block in the stand pipe, through head rod interconnect between sliding block and the pressure test ring, the head rod is located the first inslot of stepping down.

Furthermore, a first branch pipe is arranged on the pressure relief pipe, and one end, far away from the two-way ball valve, of the pressure relief pipe is sealed.

Further, be equipped with first mounting panel on the pressure release pipe, be equipped with first pivot on the first mounting panel, the one end that first pivot is close to the bi-pass ball valve is equipped with first blade, and movable mounting has first ring of testing the speed on the terminal surface that the bi-pass ball valve was kept away from to the pressure release pipe, and first ring of testing the speed is equipped with first internal gear, and the one end that the bi-pass ball valve was kept away from to first pivot is equipped with first gear, first gear and first internal gear intermeshing.

Furthermore, a test pointer is arranged on the first speed measuring ring.

The beneficial effect of this disclosure:

through carrying out threshold value detection to hydraulic support spare, avoid hydraulic support spare pressure to lead to the stock excessively to draw to rise the anchor performance that leads to the stock to receive the influence.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a first speed measuring ring according to an embodiment of the disclosure;

fig. 4 is a schematic structural diagram of a test tube according to an embodiment of the disclosure.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

As shown in fig. 1-4, a pressure relief threshold detection device for a self-discharging anchor rod includes a test tube 1, the test tube 1 is connected with a two-way ball valve 2, the other end of the two-way ball valve 2 is connected with a pressure relief tube 3, the test tube 1 is provided with a first mounting plate 11, the first mounting plate 11 is provided with a guide tube 12, the guide tube 12 is movably mounted with a pressure test ring 17, a first spring 13 is arranged between the pressure test ring 17 and the first mounting plate 11, the pressure test ring 17 is provided with a safety film, the safety film and the pressure test ring 17 seal the cross section of the whole test tube 1, the pressure test ring 17 is provided with a positioning device, and the test tube 1 is externally provided with a detection ring 18 for detecting the positioning device; through the design, can seal test tube 1 through being equipped with the rupture disk on the pressure test ring 17, so can drive pressure test ring 17 through also same pressure and move in test tube 1, detect ring 18 can test pressure test ring 17's real-time position simultaneously, can add the location chip through at pressure test ring 17, be equipped with the device that detects the location chip on the test ring 18, pressure test ring 17 overcomes first spring 13 displacement volume and can judge the hydraulic pressure in the hydraulic support piece, the rupture disk is broken when pressure surpasses dangerous position, high-pressure liquid is discharged from pressure release pipe 3 after having bi-pass ball valve 2 from test tube 1, hydraulic pressure in the hydraulic support piece, close the ball valve when getting back to the installation value and guarantee hydraulic support piece normal work.

In some disclosures, the pressure test ring 17 is provided with a magnet, the test tube 1 is made of austenitic stainless steel, and the detection ring 18 is provided with a magnet sensor; in some disclosures, the magnetic sensor is a hall effect sensor; through such design, can be equipped with the magnet on the magnet and the detection ring 18 through pressure test ring 17: the two permanent magnets are oppositely arranged with the same polarity, the linear Hall sensor is arranged in the middle, the magnetic induction intensity of the linear Hall sensor is zero, the point can be used as a zero point of displacement, when the pressure test ring 17 is displaced, the sensor has a voltage output, and the voltage is in direct proportion to the displacement.

In some disclosures, a first yielding groove 19 is formed in the guide pipe 12, a sliding block 15 is arranged in the guide pipe 12, the sliding block 15 and the pressure testing ring 17 are connected with each other through a first connecting rod 16, and the first connecting rod 16 is located in the first yielding groove 19; through so designing, can be located first groove 1 and the sliding block 15 of stepping down through first connecting rod 16 and guarantee that the slip of pressure test ring 17 is stable smooth and easy.

In some disclosures, a first branch pipe 31 is arranged on the pressure relief pipe 3, and one end of the pressure relief pipe 3, which is far away from the two-way ball valve 2, is sealed; through such design, can avoid high-pressure liquid to directly spout through pressure release pipe 3, so can avoid high-pressure liquid to shine into the injury to personnel and equipment.

In some disclosures, a first mounting plate 32 is arranged on the pressure relief pipe 3, a first rotating shaft 33 is arranged on the first mounting plate 32, a first blade 34 is arranged at one end, close to the two-way ball valve 2, of the first rotating shaft 33, a first speed measuring ring 35 is movably mounted on the end surface, far away from the two-way ball valve 2, of the pressure relief pipe 3, a first internal gear 37 is arranged on the first speed measuring ring 35, a first gear 38 is arranged at one end, far away from the two-way ball valve 2, of the first rotating shaft 33, and the first gear 38 and the first internal gear 37 are meshed with each other; through such design, can drive first blade 34 rotatory through pressure release pipe 3 liquid, first blade 34 is rotatory to drive first gear 38 rotatory, first gear 38 and first internal gear 37 intermeshing so can drive first ring 35 rotatory that tests the speed, can confirm the velocity of flow of liquid in the pressure release pipe 3 through the rotational speed of the first ring 35 that tests the speed like this, also can make first pivot 33 and first ring 35 axis coincidence of testing the speed drive first ring 35 rotatory so can reduce gear system, but the rotational speed that does not so have the first ring 35 that tests the speed of testing the speed of gear system is unfavorable for test and system steady operation too fast.

In some disclosures, the first speed ring 35 is provided with a test pointer 36; by such design, the flow of the pressure relief pipe 3 can be determined by judging the rotating speed of the first speed measuring ring 35 more conveniently by the testing pointer 36.

The working principle is as follows:

through carrying out threshold value detection to hydraulic support spare, avoid hydraulic support spare pressure to lead to the stock excessively to draw to rise the anchor performance that leads to the stock to receive the influence.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.