CN211422677U - Novel safety protection sleeve for anchor cable and anchor rod of coal mine - Google Patents
Novel safety protection sleeve for anchor cable and anchor rod of coal mine Download PDFInfo
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- CN211422677U CN211422677U CN201922171198.0U CN201922171198U CN211422677U CN 211422677 U CN211422677 U CN 211422677U CN 201922171198 U CN201922171198 U CN 201922171198U CN 211422677 U CN211422677 U CN 211422677U
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Abstract
The utility model discloses a novel colliery anchor rope, stock safety protection cover, including the connecting piece main part, the upper end tip of connecting piece main part is equipped with clamping jaw, clamping jaw inside callipers is equipped with the tight section of clamp, clamping jaw's below is equipped with the section of screwing, the connecting piece compels tight nut and is hollow tube structure, the oral area of its barrel tightens up the hole for the toper, it has the internal thread to distribute on the barrel inside wall of the below that the hole was tightened up to the toper, the bottom of connecting piece part is equipped with the external screw thread connection section that is used for connecting safety protection cover, safety protection cover is including the rubber and plastic outer tube, the metal sleeve has been inserted to the upper end of rubber and plastic outer tube, metal sleeve's upper end inboard is equipped with interior screw thread section, the rubber and plastic outer tube intussu. The utility model discloses the mounting means is simple and direct, the operation of being convenient for, and the flexible construction of lag front end has good protecting effect, alleviates the incident that probably appears.
Description
Technical Field
The utility model relates to a and mining safety device field mainly relates to a novel colliery anchor rope, stock safety protection cover.
Background
The anchor cable (anchor rod) is the main support form of the coal mine underground roadway in China, and the anchor cable (anchor rod) support has the advantages of large anchoring depth, good support reliability and the like. The anchor cable (anchor rod) support can apply prestress, realizes quick and active support, and is widely applied to underground coal mine roadway support.
The anchor cable (anchor rod) support is installed according to the designed row spacing, and due to the complex underground geological conditions of the coal mine and the frequent occurrence of ground stress or mining influence, the anchor cable and the anchor rod can be broken occasionally due to extremely abnormal reasons on two roadways of a tunneling working face and a fully mechanized mining working face of the anchor cable (anchor rod) support, so that great safety risks are brought to personnel, equipment and facilities working in the environment, and even personal casualty accidents occur. Therefore, the safety protection of the anchor cable (anchor rod) is more and more paid attention by people.
The anchor cable (anchor rod) protection in the prior art is protected by the following modes:
firstly, a steel wire rope hook type anchor cable (anchor rod) protecting sleeve: the structure is metal sleeve, steel wire rope and hook, the metal sleeve is sleeved on the exposed end of the anchor cable (anchor rod), and the metal sleeve is fixed on the nearby metal net through the steel wire rope and the hook.
Polyurethane sleeve pipe + iron wire structure safety protection cover: the polyurethane sleeve is sleeved on the exposed end of the anchor cable (anchor rod) and fixed on the nearby metal net through an iron wire.
And thirdly, a few coal mines use iron wires not lower than 12#, are wound on the end parts of anchor cables (anchor rods) and then are fixed on the reinforcing mesh sheets.
The above-described method has the following disadvantages:
firstly, the underground on-site climbing operation is particularly difficult to wind and protect the anchor rod, and the iron wire is not easy to wind because the anchor rod head is exposed to a short distance.
Secondly, a large amount of working time is occupied in the process of winding iron wires on the anchor cables and the anchor rods, personnel stand on the ladder for a long time to perform binding, safety risks are greatly improved, and even fingers are often pricked by the iron wires after some workers have long binding time.
Anchor net tunnel anchor rope, stock all use iron wire winding ligature, and the iron wire consumption is very big, and the winding needs to drop into more manpower, and material, artifical economic cost are higher.
Fourthly, the iron wire is too thick and difficult to be wound and bound manually, and the iron wire is thin and has poor tensile strength; the iron wires wound and bound in the water spraying area are easily corroded by water to cause protection failure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a novel colliery anchor rope, stock safety protection cover, and the mounting means is simple and direct, the operation of being convenient for, and the flexible construction of lag front end has good protecting effect, alleviates the incident that probably appears.
The utility model discloses a realize through following technical scheme:
the utility model provides a novel colliery anchor rope, stock safety protection cover which characterized in that: the safety protection sleeve comprises a main connecting piece body part, wherein clamping claws distributed along the circumference are arranged at the upper end part of the main connecting piece body part, clamping rings are clamped in the clamping claws, a screwing section for installing a connecting piece tightening nut is arranged below the clamping claws, the connecting piece tightening nut is of a hollow barrel structure, the opening part of a barrel is a conical tightening inner hole, inner threads screwed with the thread section of the main connecting piece body part are distributed on the inner side wall of the barrel below the conical tightening inner hole, an external thread connecting section for connecting the safety protection sleeve is arranged at the bottom end of the main connecting piece body part, the safety protection sleeve comprises a rubber and plastic outer sleeve, a metal sleeve is inserted into the upper end part of the rubber and plastic outer sleeve, an internal thread section screwed with the external thread connecting section is arranged on the inner side of the upper end part of the metal sleeve, the rubber and plastic outer sleeve at the bottom end of the metal sleeve is internally filled with a rubber and plastic protective body, the bottom end part of the rubber and plastic protective body is embedded into the protective body plug, and the protective body plug is clamped in the rubber and plastic outer sleeve.
The middle part of the screwing section is provided with a hollow accommodating cavity, a hexagonal nut-shaped fixed connection section is arranged between the screwing section and the external thread connection section, and the middle part of the fixed connection section is provided with a central positioning hole.
The clamping jaw, the screwing section, the fixed connecting section and the external thread connecting section are of an integrated structure.
The middle part of the fixed connection section is provided with a hollow buffer cavity, the clamping ring is made of rubber products, the upper end part of the clamping ring is provided with a step which is convenient to clamp and position, and the step is clamped on a transition step between the position of the clamping claw and the screwing section when in use.
The outer surface of the connecting piece tightening nut is distributed with anti-slip lines, and the height of the connecting piece tightening nut is greater than that of the screwing section.
The upper opening of the metal sleeve is parallel and level with the rubber-plastic outer sleeve, and the bottom end part of the metal sleeve is welded with a plug.
The rubber-plastic protective body is of a cylindrical structure.
The protective body plug is made of plastic and comprises a bottom plate, a barrel is arranged on the bottom plate, and the bottom end face of the protective body plug is flush with the lower end of the rubber-plastic outer sleeve.
The rubber outer sleeve is externally pasted with a reflective sticker.
The principle is as follows: the exposed end of the anchor cable (anchor rod) is inserted into the metal sleeve of the safety protection sleeve, and then the nut is screwed tightly. When extreme conditions occur due to underground stress or mining influence, the broken anchor cable (anchor rod) moves downwards, and the broken anchor cable is probably directly inserted into a roadway floor at most, but has the possibility of colliding with objects such as human bodies or equipment facilities. There will be two differences in the way that an anchor cable (anchor rod) installed and not installed with a safety shield collides with a human body or an object:
1. the anchor cable (anchor rod) without a safety protection sleeve is a rigid body, so that the anchor cable has great harm to human bodies or objects; the anchor cable (anchor rod) provided with the safety protection sleeve is in contact with a human body or an object through the rubber plastic protection body at the front end, so that the injury is light.
2. According to an impact mechanics theory formula Ft = MV (wherein F is impact force or collision force, t is duration of collision force action, namely time from deceleration to stop motion of a moving object due to collision, M is mass of the moving object, V is motion speed of the object), and under the condition that the product of mass M of a broken anchor rope (anchor rod) and downward motion speed V is a certain value, the collision force and the duration of the collision force s are in an inverse proportion relation. The anchor cable (anchor rod) without the safety protection sleeve is a rigid body, and the action time of the collision force between the anchor cable and a human body or an object is very short, so that the collision force is very large and the injury is also large; when an anchor cable (anchor rod) provided with the safety protection sleeve collides with a human body or an object, the broken anchor cable (anchor rod) pushes the metal sleeve and extrudes the rubber and plastic protection body to be compressed and deformed, and then the rubber and plastic protection body is stopped to stop movement to realize collision.
The utility model has the advantages that:
(1) the anchor cable (anchor rod) can reduce possible safety accidents when the anchor cable (anchor rod) is broken due to ground stress in the underground coal mine. At present, the safety protection products for the anchor cable (anchor rod) in the coal mine are few in variety, and the installation method of most products is not simple, so that the products have considerable practicability.
(2) The flexible structure at the front end of the protective sleeve has a good protective effect and is creative technically.
(3) This application installation procedure is simple, and the operation is swift convenient, labour saving and time saving, intensity of labour that can greatly reduced personnel reduces the human input.
(4) This application both can be used to anchor rope safety protection, also can be used to stock safety protection.
(5) The product can be recycled, so that the cost is reduced.
(6) The roadway environment can be lightened due to the fact that the roadway environment is more attractive and elegant after installation.
(7) This application shortens constructor's the operating time of ascending a height, potential safety hazard risk greatly reduced.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the main body component of the connector;
FIG. 3 is a bottom view of the main body component of the connector;
FIG. 4 is a front cross-sectional view of the clamping ring;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of a tightening nut of the coupling member;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a front cross-sectional view of the rubber plastic outer sleeve;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a front cross-sectional view of a metal sleeve;
FIG. 11 is a top view of FIG. 10;
FIG. 12 is a front view of the rubber protector;
FIG. 13 is a top view of FIG. 12;
FIG. 14 is a front cross-sectional view of the protective body plug;
fig. 15 is a top view of fig. 14.
The specific implementation mode is as follows:
see the drawings.
A novel safety protection sleeve for an anchor cable and an anchor rod of a coal mine comprises a main connecting piece component 1, wherein clamping claws 1-1 distributed along the circumference are arranged at the upper end part of the main connecting piece component 1, clamping rings 2 are clamped in the clamping claws 1-1, screwing sections 1-2 for mounting a connecting piece tightening nut 3 are arranged below the clamping claws 1-1, the connecting piece tightening nut 3 is of a hollow cylinder structure, the opening part of a cylinder is a conical tightening inner hole, inner threads screwed with the thread sections of the main connecting piece component are distributed on the inner side wall of the cylinder below the conical tightening inner hole, an external thread connecting section 1-3 for connecting the safety protection sleeve is arranged at the bottom end of the main connecting piece component 1, the safety protection sleeve comprises a rubber-plastic outer sleeve 4, a metal sleeve 5 is inserted into the upper end part of the rubber-plastic outer sleeve 4, and an internal thread section screwed with the external thread connecting section 1-3, the length of rubber and plastic outer sleeve 4 is greater than metal sleeve 5, and the rubber and plastic outer sleeve intussuseption of metal sleeve 5 bottom is filled with rubber and plastic protection body 6, and the bottom portion embedding of rubber and plastic protection body 6 is in protection body end cap 7, and protection body end cap 7 clamps in rubber and plastic outer sleeve 4.
Furthermore, a hollow accommodating cavity is arranged in the middle of the screwing section 1-2, a hexagonal nut-shaped fixed connecting section 1-4 is arranged between the screwing section 1-2 and the external thread connecting section 1-3, and a central positioning hole is arranged in the middle of the fixed connecting section 1-4.
Furthermore, the clamping jaw 1-1, the screwing section 1-2, the fixed connecting section 1-4 and the external thread connecting section 1-3 are of an integrated structure.
Furthermore, a hollow buffer cavity is arranged in the middle of the fixed connection section 1-4, the clamping ring 2 is made of rubber, a step convenient for clamping and positioning is arranged at the upper end of the clamping ring, and the step is clamped on the transition step between the position of the clamping claw and the screwing section when in use.
Furthermore, the outer surface of the connecting piece tightening nut 3 is distributed with anti-slip lines, and the height of the connecting piece tightening nut is greater than that of the screwing section.
Furthermore, the upper opening of the metal sleeve 5 is parallel and level with the rubber-plastic outer sleeve 4, and the bottom end part of the metal sleeve is welded with a plug.
Further, the rubber-plastic protective body 6 is of a cylindrical structure.
Further, the protective body plug 7 is a plastic product and comprises a bottom plate, a barrel is arranged on the bottom plate, and the bottom end face of the protective body plug is flush with the lower end of the rubber-plastic outer sleeve.
Furthermore, a reflective sticker 8 is pasted outside the rubber-plastic outer sleeve 4.
In the above structure: the common specifications of the main body part 1 of the connecting piece, the fastening nut 3 of the connecting piece and the clamping ring 2 are as follows:
connecting piece main part: the middle part is an M41 hexagonal cap, and the width of the cap is 6 mm;
the lower part is an M32mm external thread with an inner diameter of 26mm and a length of 15 mm;
the upper part is an M38mm external thread with an inner diameter of 26mm and a length of 15 mm;
a top clamping jaw.
Secondly, the connecting piece tightens the nut: the outer diameter is M46mm, the inner diameter of the upper end is 26mm, the inner diameter of the lower end is M38mm internal thread, and the height is 28 mm.
Clamp ring: a rubber product having an outer diameter of 32mm, an inner diameter of 26mm and a height of 18 mm.
The safety protection sleeve consists of a metal sleeve 5, a rubber-plastic outer sleeve 4 and a rubber-plastic protection body (containing a plug) 6, and the common specification is as follows:
A. metal casing pipe: processing and manufacturing a 1-inch galvanized steel pipe, wherein an inner wire with the outer diameter phi 33mm, the inner diameter phi 27mm and the length 60mm is processed at the upper part, and the inner wire is M32 multiplied by 1.5 mm; the bottom is welded with a plug for sealing.
B. Rubber and plastic outer sleeve: the rubber plastic pipe material has an outer diameter phi 42mm, an inner diameter phi 32mm and a length phi 120 m.
C. Rubber plastic protective body (containing plug):
the rubber and plastic protective body is cylindrical, and has the diameter of 33mm and the length of 60 mm;
the plug is a white plastic product, and has an outer diameter phi of 33.5mm at the bottom, a phi of 31mm at the upper barrel-shaped outer diameter phi, an inner diameter of 30mm and a height of 12 mm.
The assembly steps of the metal sleeve, the rubber-plastic outer sleeve and the rubber-plastic protective body (containing the plug) are as follows: firstly, sticking a reflective sticker outside the rubber and plastic outer sleeve:
the outer surface of the rubber-plastic outer sleeve is pasted with a yellow reflective sticker.
Secondly, inserting the metal sleeve into the rubber-plastic outer sleeve, wherein the upper opening of the metal sleeve is flush with the rubber-plastic outer sleeve.
And thirdly, the rubber and plastic protective body is embedded into the plug and inserted into the lower end of the rubber and plastic outer sleeve, so that the lower plug is flush with the lower end of the rubber and plastic outer sleeve.
And fourthly, screwing the M32 external wire at the lower part of the main body part of the connecting piece into the internal wire at the upper end of the metal sleeve to realize connection.
Fifthly, the clamping ring is placed into the clamping claw, the inner screw of the nut is tightly screwed into the outer screw on the upper part of the main body part of the connecting piece, and the assembly is completed.
The use operation is as follows:
firstly, inserting the end of an anchor cable (anchor rod) into a protective sleeve (if a product tightening nut is screwed, the tightening nut can be unscrewed and then inserted), and then screwing the tightening nut.
Secondly, the protecting sleeve is grasped and pulled downwards, and the installation work of the protecting sleeve is finished without displacement.
And thirdly, relevant regulations of underground ascending operation of the coal mine are required to be executed when the protective sleeve is installed.
The above embodiments are merely preferred embodiments of the present invention, and in addition, other implementation manners of the present invention are also possible. It should be understood that any obvious modifications and adaptations thereof may be made without departing from the spirit of the present invention and are intended to be within the scope of the present invention.
Claims (9)
1. The utility model provides a novel colliery anchor rope, stock safety protection cover which characterized in that: the safety protection sleeve comprises a main connecting piece body component (1), clamping claws (1-1) distributed along the circumference are arranged at the upper end part of the main connecting piece body component (1), clamping rings (2) are clamped in the clamping claws (1-1), screwing sections (1-2) for mounting a connecting piece tightening nut (3) are arranged below the clamping claws (1-1), the connecting piece tightening nut (3) is of a hollow cylinder structure, the opening part of the cylinder is a conical tightening inner hole, internal threads screwed with the thread section of the main connecting piece body component are distributed on the inner side wall of the cylinder below the conical tightening inner hole, an external thread connecting section (1-3) for connecting the safety protection sleeve is arranged at the bottom end of the main connecting piece body component (1), the safety protection sleeve comprises a rubber-plastic outer sleeve (4), and a metal sleeve (5) is inserted into the upper end part of the rubber-plastic outer sleeve (4), the rubber-plastic protective device is characterized in that an internal thread section which is screwed with the external thread connecting section (1-3) is arranged on the inner side of the upper end of the metal sleeve (5), the length of the rubber-plastic outer sleeve (4) is larger than that of the metal sleeve (5), a rubber-plastic protective body (6) is filled in the rubber-plastic outer sleeve at the bottom end of the metal sleeve (5), the bottom end of the rubber-plastic protective body (6) is embedded into a protective body plug (7), and the protective body plug (7) is clamped in the rubber-plastic outer sleeve (4).
2. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 1, wherein: the middle of the screwing section (1-2) is provided with a hollow accommodating cavity, a hexagonal nut-shaped fixed connection section (1-4) is arranged between the screwing section (1-2) and the external thread connection section (1-3), and the middle of the fixed connection section (1-4) is provided with a central positioning hole.
3. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 2, wherein: the clamping claw (1-1), the screwing section (1-2), the fixed connecting section (1-4) and the external thread connecting section (1-3) are of an integrated structure.
4. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 2, wherein: the middle part of the fixed connection section (1-4) is provided with a hollow buffer cavity, the clamping ring (2) is made of rubber, the upper end part of the clamping ring is provided with a step which is convenient to clamp and position, and the step is clamped on a transition step between the position of the clamping claw and the screwing section when in use.
5. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 1, wherein: the outer surface of the connecting piece tightening nut (3) is distributed with anti-slip lines, and the height of the connecting piece tightening nut is greater than that of the screwing section.
6. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 1, wherein: the upper opening of the metal sleeve (5) is parallel and level to the rubber-plastic outer sleeve (4), and the bottom end part of the metal sleeve is welded with a plug.
7. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 1, wherein: the rubber-plastic protection body (6) is of a cylindrical structure.
8. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 1, wherein: the protective body plug (7) is a plastic product and comprises a bottom plate, a barrel is arranged on the bottom plate, and the bottom end face of the protective body plug is flush with the lower end of the rubber-plastic outer sleeve.
9. The novel coal mine anchor cable and anchor rod safety protection sleeve as claimed in claim 1, wherein: and a reflective sticker (8) is pasted outside the rubber-plastic outer sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171198.0U CN211422677U (en) | 2019-12-06 | 2019-12-06 | Novel safety protection sleeve for anchor cable and anchor rod of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171198.0U CN211422677U (en) | 2019-12-06 | 2019-12-06 | Novel safety protection sleeve for anchor cable and anchor rod of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422677U true CN211422677U (en) | 2020-09-04 |
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ID=72275691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922171198.0U Active CN211422677U (en) | 2019-12-06 | 2019-12-06 | Novel safety protection sleeve for anchor cable and anchor rod of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422677U (en) |
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2019
- 2019-12-06 CN CN201922171198.0U patent/CN211422677U/en active Active
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