Mining high-pressure shoulder type three-groove connecting piece

Abstract

The utility model is suitable for the technical field of pipe clamps, and provides a mining high-pressure shoulder type three-groove connecting piece which comprises a pipe clamp half body and connecting lugs arranged on the two sides of the pipe clamp half body, a pair of connecting lugs is provided with settling holes and fixing holes, the settling holes are formed above the fixing holes, bolts are arranged in the fixing holes, and the connecting lugs are arranged on the two sides of the pipe clamp half body. Fixing pieces are arranged on the pair of bolts; the fixing sheet can be arranged in the settlement hole; and the fixing set is arranged in the settling hole and comprises a rotating shaft rotationally connected to the connecting lug, a set of clamping plates arranged on the rotating shaft and a fixing pin slidably connected to the rotating shaft, and pin holes matched with the fixing pin are formed in the clamping plates and the fixing pieces. The pipe clamp has the advantages that the fixing pieces on the bolts can be arranged between the upper clamping plate and the lower clamping plate through the fixing sets, it is guaranteed that the bolts are not separated from the pipe clamp half bodies, mounting or dismounting is convenient, and the problem that when the pipe clamp is fixed or dismounted, the bolts fall off, and consequently working efficiency is low is solved; rotation of the bolt can be limited through the fixing pin, and fixing is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe clamps, in particular to a high-pressure shoulder-type three-groove connector for mining. Background Art

[0002] The high-pressure shoulder-type three-groove pipe clamp is a connector that connects grooved pipe fittings, valves and pipeline accessories. It is used as a clamp between pipe joints. The bolts and nuts on the pipe clamp can be used to fasten the pipe clamp and the pipeline. However, when installing or disassembling, the bolts are placed in the bolt holes on the pipe clamp. Before tightening or after the nuts are removed, the bolts may fall off the pipe clamp and fall to the ground. Especially when installing or disassembling in a narrow space, the falling of the bolts will affect work efficiency and needs to be improved.

[0003] A Chinese patent with patent announcement number CN219588331U discloses a rigid groove clamp that prevents loosening, including two clamp plates, which are connected by two locking bolts, and the inner walls of the two clamp plates are sleeved with sealing gaskets, and the side walls of the two clamp plates are fixedly provided with mounting seats, and the two mounting seats are fixedly provided with side plates, and the two side plates are connected to the mounting seats through a connecting mechanism. The two side plates are also provided with a clamping mechanism; when the above-mentioned clamp is installed or disassembled, the locking bolts may fall off the clamp, affecting work efficiency.

[0004] In summary, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide a high-pressure shoulder-type three-groove connector for mining, which can ensure that the bolts do not fall off the pipe clamp half, facilitate installation or disassembly, and solve the problem of low work efficiency caused by the falling of bolts when the pipe clamp is fixed or disassembled.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a high-pressure shoulder-type three-groove connector for mining, including: a pipe clamp half body, connecting ears arranged on both sides of the pipe clamp half body, a pair of the connecting ears are each provided with a settlement hole and a fixing hole, a pair of the fixing holes are each provided with a bolt, and a pair of the bolts are each provided with a fixing plate; a fixing group is provided in the settlement hole, the fixing group includes a rotating shaft rotatably connected to the connecting ear, a group of clamps arranged on the rotating shaft and a fixing pin slidably connected to the rotating shaft, and the clamps and the fixing plates are each provided with a pin hole matching the fixing pin.

[0007] According to the utility model of the high-pressure shoulder type three-groove connector for mining, a group of the clamping plates includes an upper clamping plate and a lower clamping plate, the lower clamping plate is fixedly connected to the rotating shaft, and the upper clamping plate is slidably connected to the rotating shaft.

[0008] According to the utility model of the mining high-pressure shoulder type three-groove connector, a retaining ring is fixedly connected to the rotating shaft, a main elastic member is fixedly connected between the retaining ring and the upper clamping plate, and the main elastic member is sleeved outside the rotating shaft.

[0009] According to the utility model of the high-pressure shoulder-type three-groove connector for mining, a retaining ring is provided on the fixing pin, and a secondary elastic member is provided on the fixing pin outer sleeve.

[0010] According to the utility model of the high-pressure shoulder-type three-groove connector for mining, a stopper is provided on the fixing pin, and a transverse groove matching the stopper is provided on the rotating shaft.

[0011] According to the utility model of the high-pressure shoulder-type three-groove connector for mining, the upper clamping plate and the lower clamping plate can be arranged on both sides of the fixing plate.

[0012] The utility model provides a high-pressure shoulder-type three-groove connector for mining, comprising: a pipe clamp half body, connecting ears arranged on both sides of the pipe clamp half body, a pair of the connecting ears are provided with a sinking hole and a fixing hole, the sinking hole is arranged above the fixing hole, a pair of the fixing holes are provided with bolts, and a pair of the bolts are provided with a fixing plate; the fixing plate can be arranged in the sinking hole; a fixing group in the sinking hole is provided, the fixing group includes a rotating shaft rotatably connected to the connecting ear, a group of clamps arranged on the rotating shaft and a fixing pin slidably connected to the rotating shaft, and the clamps and the fixing plates are provided with pin holes matching the fixing pins. The beneficial effects of the utility model: through the fixing group, the fixing plate on the bolt can be arranged between the upper clamp and the lower clamp, ensuring that the bolt does not separate from the pipe clamp half body, facilitating installation or disassembly, and solving the problem of low work efficiency caused by the bolt falling when the pipe clamp is fixed or disassembled; the bolt rotation can be limited by the fixing pin, facilitating fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0015] Figure 3 This utility model Figure 1 A schematic diagram of a local enlarged structure of A;

[0016] Figure 4 This utility model Figure 2 A schematic diagram of the partially enlarged structure of B in the middle;

[0017] In the figure, 1-pipe clamp half, 2-connecting ear, 21-fixing hole, 22-sinking hole, 3-bolt, 31-fixing plate, 4-rotating shaft, 41-lower clamp, 42-upper clamp, 43-main elastic member, 44-transverse groove, 5-fixing pin, 51-auxiliary elastic member, 52-stopper, 6-pin hole, 7-retaining ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figures 1 to 4 The utility model provides a high-pressure shoulder-type three-groove connector for mining, which includes: a pipe clamp half body 1, connecting ears 2 arranged on both sides of the pipe clamp half body 1, a pair of the connecting ears 2 are each provided with a sinking hole 22 and a fixing hole 21, the sinking hole 22 is arranged above the fixing hole 21, a pair of the fixing holes 21 are each provided with a bolt 3, and a pair of the bolts 3 are each provided with a fixing plate 31; the fixing plate 31 can be arranged in the sinking hole 22; a fixing group is provided in the sinking hole 22, the fixing group includes a rotating shaft 4 rotatably connected to the connecting ear 2, a group of clamps arranged on the rotating shaft 4 and a fixing pin 5 slidably connected to the rotating shaft 4, and the clamps and the fixing plate 31 are each provided with a pin hole 6 matching the fixing pin 5. The beneficial effects of the utility model are as follows: through the fixing group, the fixing plate 31 on the bolt 3 can be arranged between the upper clamp plate 42 and the lower clamp plate 41, ensuring that the bolt 3 does not separate from the pipe clamp half body 1, which is convenient for installation or disassembly, and solves the problem of low work efficiency caused by the bolt 3 falling off when the pipe clamp is fixed or disassembled; the fixing pin 5 can limit the rotation of the bolt 3, which is convenient for fixing.

[0020] See also Figures 1 to 4 Preferably, a group of the clamping plates of the utility model includes an upper clamping plate 42 and a lower clamping plate 41, the lower clamping plate 41 is fixed to the rotating shaft 4, and the upper clamping plate 42 is slidably connected to the rotating shaft 4; the upper clamping plate 42 and the lower clamping plate 41 can be arranged on both sides of the fixing plate 31;

[0021] During specific implementation: the sedimentation hole 22 is composed of two intersecting circular holes. When the fixing plate 31 is arranged in the sedimentation hole 22, the rotating shaft 4 is rotated to ensure that the upper clamping plate 42 and the lower clamping plate 41 can be respectively arranged on both sides of the fixing plate 31, wherein the circumferential angle between the upper clamping plate 42 and the lower clamping plate 41 is less than 180°.

[0022] See also Figures 1 to 4In addition, a retaining ring 7 is fixedly connected to the rotating shaft 4 of the utility model, and a main elastic member 43 is fixedly connected between the retaining ring 7 and the upper clamping plate 42, and the main elastic member 43 is sleeved outside the rotating shaft 4; the main elastic member 43 can ensure that the upper clamping plate 42 moves up and down, and can be suitable for fixing plates 31 of different thicknesses.

[0023] See also Figures 1 to 4 Furthermore, a retaining ring 7 is provided on the fixing pin 5 of the utility model, and a secondary elastic member 51 is provided on the outer sleeve of the fixing pin 5 to drive the fixing pin 5 to reset.

[0024] See also Figures 1 to 4 Better yet, the fixing pin 5 of the utility model is provided with a stopper 52 , and the rotating shaft 4 is provided with a transverse groove 44 matching with the stopper 52 , the stopper 52 can limit the descending height of the fixing pin 5 , and the stopper 52 can pass through the transverse groove 44 .

[0025] Working principle: before installation, the two bolts 3 are arranged in the fixing holes 21 of the pipe clamp half body 1, and the fixing plates 31 on the two bolts 3 are arranged in the settlement holes 22; pull the fixing pin 5 to ensure that the baffle on the fixing pin 5 abuts against the top of the rotating shaft 4, and at this time, the bottom of the fixing pin 5 is arranged in the pin hole 6 of the upper clamp 42; rotate the rotating shaft 4 to make sure that the upper clamp 42 and the lower clamp 41 are respectively arranged on both sides of the fixing plate 31, and rotate the fixing pin 5 again to drive the baffle to pass through the transverse groove 44, and the fixing pin 5 passes through the pin hole 6 on the fixing plate 31 and abuts against the lower clamp 41, so as to fix the bolt 3 and prevent the bolt 3 from falling off. At the same time, compared with the method of directly fixing the bolt 3 to the pipe clamp half body 1, the bolt 3 can be replaced after wear.

[0026] In summary, the utility model provides a high-pressure shoulder-type three-groove connector for mining, including: a pipe clamp half body, connecting ears arranged on both sides of the pipe clamp half body, a pair of the connecting ears are provided with a sinking hole and a fixing hole, the sinking hole is arranged above the fixing hole, a pair of the fixing holes are provided with bolts, and a pair of the bolts are provided with a fixing plate; the fixing plate can be arranged in the sinking hole; a fixing group is provided in the sinking hole, the fixing group includes a rotating shaft rotatably connected to the connecting ear, a group of clamps arranged on the rotating shaft and a fixing pin slidably connected to the rotating shaft, and the clamps and the fixing plates are provided with pin holes matching the fixing pins. The beneficial effects of the utility model: through the fixing group, the fixing plate on the bolt can be arranged between the upper clamp and the lower clamp, ensuring that the bolt does not separate from the pipe clamp half body, facilitating installation or disassembly, and solving the problem of low work efficiency caused by the bolt falling when the pipe clamp is fixed or disassembled; the bolt rotation can be limited by the fixing pin, facilitating fixing.

[0027] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A high-pressure shoulder-type three-groove connector for mining, characterized in that: include: A pipe clamp half body, connecting ears arranged on both sides of the pipe clamp half body, a pair of connecting ears are provided with a sinking hole and a fixing hole, a pair of fixing holes are provided with bolts, and a pair of bolts are provided with fixing plates; A fixing group is provided in the sinking hole, and the fixing group includes a rotating shaft rotatably connected to the connecting ear, a group of clamping plates arranged on the rotating shaft, and a fixing pin slidably connected to the rotating shaft, and the clamping plates and the fixing sheets are both provided with pin holes matching the fixing pins.

2. The mining high-pressure shoulder type three-groove connector according to claim 1, characterized in that: A group of the clamping plates comprises an upper clamping plate and a lower clamping plate, wherein the lower clamping plate is fixedly connected to the rotating shaft, and the upper clamping plate is slidably connected to the rotating shaft.

3. The high-pressure shoulder type three-groove connector for mining according to claim 2, characterized in that: A retaining ring is fixedly connected to the rotating shaft, a main elastic member is fixedly connected between the retaining ring and the upper clamping plate, and the main elastic member is sleeved outside the rotating shaft.

4. The high-pressure shoulder type three-groove connector for mining according to claim 1, characterized in that: The fixing pin is provided with a retaining ring, and the fixing pin outer sleeve is provided with an auxiliary elastic member.

5. The high-pressure shoulder type three-groove connector for mining according to claim 1, characterized in that: The fixing pin is provided with a stopper, and the rotating shaft is provided with a transverse groove matching the stopper.

6. The mining high-pressure shoulder type three-groove connector according to claim 2, characterized in that: The upper clamping plate and the lower clamping plate can be arranged on both sides of the fixing plate.

Images