CN218725116U - Pressure test device for plastic-coated composite steel pipe for remote liquid supply of coal mine - Google Patents
Pressure test device for plastic-coated composite steel pipe for remote liquid supply of coal mine Download PDFInfo
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- CN218725116U CN218725116U CN202223216067.8U CN202223216067U CN218725116U CN 218725116 U CN218725116 U CN 218725116U CN 202223216067 U CN202223216067 U CN 202223216067U CN 218725116 U CN218725116 U CN 218725116U
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Abstract
The utility model discloses a plastic-coated composite steel pipe pressure test device for remote liquid supply in coal mines, which comprises a transverse plate, wherein both ends of the transverse plate are fixedly connected with brackets, one bracket is fixedly connected with a round pipe on the inner wall, the round pipe is provided with a pressure gauge, and an inflating device is arranged above the transverse plate; the inflation device comprises an inflation pump, a fixed seat, an air bag, a first air pipe and a second air pipe; the bottom of the inflator pump is fixedly connected with the top of one of the supports, the output end of the inflator pump is communicated with a first air pipe and a second air pipe, and the tail ends of the first air pipe and the second air pipe are communicated with air bags. The utility model relates to a machinery detects experimental technical field, this long-range confession liquid in colliery is with scribbling compound steel pipe pressure test device of moulding, through gasbag, pump and the cooperation of first trachea, the staff can seal to the steel pipe of different specification models, has improved this pressure measurement device's practicality, has saved manufacturing cost for the enterprise.
Description
Technical Field
The utility model relates to a mechanical testing technical field specifically is a long-range confession liquid of colliery is with scribbling compound steel pipe pressure test device that moulds.
Background
Before production, manufacturing and use, when workers need to detect the performance of the steel pipe, the pressure of the steel pipe needs to be tested and detected, and whether the steel pipe meets the production and use requirements is detected, so that people invent a pressure test device for the plastic-coated composite steel pipe, and whether the steel pipe meets the use standard is detected.
In the steel pipe pressure detection device in the prior art, workers need to seal two sides of a steel pipe, then convey air or water to the inside of the steel pipe, and then observe the pressure value of a pressure gauge to judge whether the steel pipe meets the use requirements.
In the pressure test device for the plastic-coated composite steel pipe for remote liquid supply in the coal mine in the prior art, when workers detect steel pipes with different specifications, different pressure test devices need to be replaced for detection, so that manufacturing cost of production enterprises is increased.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the utility model provides a long-range confession liquid of colliery is with scribbling mould composite steel pipe pressure test device has solved the long-range confession liquid of colliery of prior art and can't carry out pressure detection's problem according to the steel pipe of different specification models with scribbling mould composite steel pipe pressure test device.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the plastic-coated composite steel pipe pressure test device for remote liquid supply of the coal mine comprises transverse plates, wherein two ends of each transverse plate are fixedly connected with a support, the inner wall of one support is fixedly connected with a circular pipe, the circular pipe is provided with a pressure gauge, and an inflating device is arranged above the transverse plates; the inflation device comprises an inflation pump, a fixed seat, an air bag, a first air pipe and a second air pipe; the bottom of inflator pump with one the top fixed connection of support, the output intercommunication of inflator pump has first trachea and second trachea, first trachea and the tracheal end of second all communicate there is the gasbag, one the side rigid coupling of gasbag has fixing base, another the side of gasbag and the side fixed connection of support, and the rigid coupling in the outer wall of pipe.
Preferably, the tail end of the circular tube is provided with a pressurizing device; the supercharging device comprises an air cylinder, a piston and an electric push rod; the inner wall of the air cylinder is connected with the outer wall of the circular tube in an inserting mode, the inner wall of the air cylinder is attached with a piston, and one side, far away from the circular tube, of the piston is fixedly connected with an electric push rod.
Preferably, the bottom of the fixed seat is provided with an adjusting device; the adjusting device comprises a first sliding rail, a first sliding block, a first threaded rod and a support rod; first slide rail fixed connection is in the top of diaphragm, the outer wall slip joint of first slide rail has first slider, the top of first slider and the bottom rigid coupling of fixing base, one side that the gasbag was kept away from to first slider is provided with branch, the inner wall threaded connection of branch has first threaded rod, the end of first threaded rod rotates through the bearing and connects in the inner wall of fixing base, the bottom of branch and the top looks rigid coupling of diaphragm.
Preferably, a supporting device is arranged at the top of the transverse plate; the supporting device comprises a square plate, a round rod, a cylinder, a first clamping plate, a second threaded rod, a sliding cylinder and a second clamping plate; the fixed connection of square plate is in the top of diaphragm, the positive fixedly connected with second splint of square plate, the inner wall both sides of second splint all rotate through the bearing and are connected with the second threaded rod, one side that two second threaded rods kept away from each other is provided with the round bar of fixed connection in second splint top, the outer wall of round bar has cup jointed the slide cartridge, the outer wall threaded connection of second threaded rod has the drum, the top of second splint is provided with first splint, the back of first splint and the positive looks rigid coupling of drum, slide cartridge and drum looks rigid coupling.
Preferably, a movable device is arranged below the air cylinder; the movable device comprises a shell, a second sliding block and a second sliding rail; the top fixed connection of casing is in the bottom of inflator, inner wall one side of casing and electric putter are fixed to be linked to each other, the bottom fixedly connected with second slider of casing, the inner wall slip joint of second slider has the second slide rail, second slide rail fixed connection is in the top of support.
Preferably, a fixing device is arranged on one side, close to the bracket, of the second sliding block; the fixing device comprises a vertical plate, a gear and a rack; the vertical plate is fixedly connected to one side of the inner wall of the shell, a rack is connected to the inner wall of the vertical plate in a sliding clamping mode, a gear is connected to the rack in a meshed mode, the gear is connected to one side of the vertical plate in a rotating mode, and the bottom of the rack is connected to the inner wall of the second sliding rail in an inserting mode.
Advantageous effects
The utility model provides a long-range confession liquid of colliery is with scribbling compound steel pipe pressure test device of moulding. The method has the following beneficial effects: this long-range confession liquid in colliery is with scribbling compound steel pipe pressure test device that moulds, through gasbag, pump and first tracheal cooperation, the staff can seal to the steel pipe of different specification models, has improved this pressure measurement device's practicality, has saved manufacturing cost for the enterprise.
Through the cooperation of electric putter, piston and inflator, the staff changes supercharging device according to the steel pipe of different specification models, and operating procedure is simple, makes things convenient for staff to the quick installation and the dismantlement of supercharging device, has improved staff's work efficiency.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the inflator, the electric push rod and the second slider in FIG. 1;
FIG. 3 is a schematic structural view of the gear, the rack and the second slide rail in FIG. 2;
FIG. 4 is a schematic view of the structure of the rod, the slide and the cylinder of FIG. 1;
FIG. 5 is a right side view of FIG. 4;
fig. 6 is an external view of the present invention.
In the figure: 1. the device comprises a transverse plate, 2, a support, 3, a first sliding block, 4, a first sliding rail, 5, a first threaded rod, 6, a support rod, 7, a fixed seat, 8, an air bag, 9, a first air pipe, 10, a round rod, 11, a cylinder, 12, a first clamping plate, 13, a square plate, 14, a second threaded rod, 15, a sliding barrel, 16, an air pump, 17, a second air pipe, 18, an air cylinder, 19, a piston, 20, an electric push rod, 21, a shell, 22, a second sliding block, 23, a gear, 24, a rack, 25, a second sliding rail, 26, a vertical plate, 27, a round pipe, 28, a second clamping plate, 29 and a pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.
The first embodiment is as follows: as can be seen from fig. 1, 2 and 6, the plastic-coated composite steel pipe pressure test device for coal mine remote liquid supply comprises a transverse plate 1, wherein two ends of the transverse plate 1 are fixedly connected with brackets 2, the inner wall of one bracket 2 is fixedly connected with a round pipe 27, the round pipe 27 is provided with a pressure gauge 29, and an air charging device is arranged above the transverse plate 1; the inflating device comprises an inflating pump 16, a fixed seat 7, an air bag 8, a first air pipe 9 and a second air pipe 17; the bottom of the inflator pump 16 is fixedly connected with the top of one support 2, the specific model of the inflator pump 16 is not limited to meet the use requirement, the output end of the inflator pump 16 is communicated with a first air pipe 9 and a second air pipe 17, wherein through the matching of the first air pipe 9 and the second air pipe 17 with the inflator pump 16, a worker starts an external power supply of the inflator pump 16, the inflator pump 16 conveys gas to the inside of the airbag 8 through the first air pipe 9 and the second air pipe 17, the airbag 8 starts to expand through the filling of the gas, the tail ends of the first air pipe 9 and the second air pipe 17 are communicated with airbags 8, the side face of one airbag 8 is fixedly connected with a fixed seat 7, the side face of the other airbag 8 is fixedly connected with the side face of the support 2 and fixedly connected to the outer wall of the circular pipe 27, through the matching of the airbags 8 and the steel pipe, the airbags 8 start to expand at two ends of the steel pipe through the filling of the gas, and seal two ends of the steel pipe;
in the specific implementation process, it is worth pointing out that, through the cooperation of the first air pipe 9, the second air pipe 17 and the inflator 16, the worker starts the external power supply of the inflator 16, the inflator 16 transmits the gas to the inside of the air bag 8 through the first air pipe 9 and the second air pipe 17, the air bag 8 starts to expand through the filling of the gas, and the air bag 8 and the steel pipe cooperate, because the air bag 8 starts to expand at the two ends of the steel pipe through the filling of the gas, the two ends of the steel pipe are sealed, and the gas can be effectively prevented from flowing out;
further, a pressurizing device is arranged at the tail end of the circular tube 27; the pressurizing device comprises an air cylinder 18, a piston 19 and an electric push rod 20; through the matching of the pressure gauge 29 and the supercharging device, an operator can judge whether the steel pipe leaks air or not by observing the change of the pressure value, the inner wall of the air cylinder 18 is inserted into the outer wall of the circular tube 27, a sealing gasket is arranged at the joint of the air cylinder 18 and the circular tube 27 and is made of rubber, the air cylinder 18 can be sealed to prevent air leakage, through the matching of the piston 19 and the electric push rod 20, the operator starts the electric push rod 20, the output end of the electric push rod 20 pushes the piston 19 to move along the inner wall of the air cylinder 18, the air in the air cylinder 18 can be pushed out to the inside of the circular tube 27 through the movement of the piston 19, the piston 19 is attached to the inner wall of the air cylinder 18, one side of the piston 19, which is far away from the circular tube 27, is fixedly connected with the electric push rod 20, and the electric push rod 20 is TG-700 in model;
in the specific implementation process, it is worth noting in particular that through the cooperation of the piston 19 and the electric push rod 20, the worker starts the external power supply of the electric push rod 20, the output end of the electric push rod 20 pushes the piston 19 to move along the inner wall of the air cylinder 18, the air in the air cylinder 18 can be pushed out to the inside of the circular tube 27 through the movement of the piston 19, a sealing gasket is installed at the joint of the air cylinder 18 and the circular tube 27, the sealing gasket is made of rubber, the air cylinder 18 can be sealed, air leakage is prevented, and through the cooperation of the pressure gauge 29 and the pressurization device, the worker can judge whether the steel tube leaks air by observing the change of the pressure value;
further, the bottom of the fixed seat 7 is provided with an adjusting device; the adjusting device comprises a first slide rail 4, a first slide block 3, a first threaded rod 5 and a support rod 6; the first slide rail 4 is fixedly connected to the top of the transverse plate 1, a first slide block 3 is clamped on the outer wall of the first slide rail 4 in a sliding mode, the first slide block 3 is matched with the first slide rail 4, a worker rotates a first threaded rod 5, the first slide block 3 is pushed to drive a fixed seat 7 to move along the first slide rail 4 through the rotation of the first threaded rod 5, so that the fixed seat 7 is changed in position, the top of the first slide block 3 is fixedly connected with the bottom of the fixed seat 7, a supporting rod 6 is arranged on one side, away from the air bag 8, of the first slide block 3, the inner wall of the supporting rod 6 is in threaded connection with the first threaded rod 5, the tail end of the first threaded rod 5 is rotatably connected to the inner wall of the fixed seat 7 through a bearing, and the bottom of the supporting rod 6 is fixedly connected with the top of the transverse plate 1;
in the specific implementation process, it is worth pointing out that the first sliding block 3 is pushed to drive the fixing seat 7 to move along the first sliding rail 4 by the rotation of the first threaded rod 5, so that the fixing seat 7 is changed in position, and a worker can adjust the position of the fixing seat 7 through steel pipes with different lengths, so that the fixing device is suitable for fixing the steel pipes with different lengths;
specifically, when the plastic-coated composite steel tube pressure test device for coal mine remote liquid supply is used, firstly, a worker needs to install one end of the plastic-coated composite steel tube for coal mine remote liquid supply and an air bag 8 close to an inflator pump 16, then fix the steel tube, after the fixation is completed, the worker needs to rotate a first threaded rod 5, the first threaded rod 5 rotates on the inner wall of a supporting rod 6, the fixed seat 7 is pushed by the rotation of the first threaded rod 5 to drive a first sliding block 3 to slide along the outer wall of a first sliding rail 4, the fixed seat 7 moves to drive the air bag 8 to move until the air bag 8 is inserted into the other end of the steel tube, at the moment, the air bag 8 is inserted into both ends of the steel tube, then the worker needs to start an external power supply of the inflator pump 16, the inflator pump 16 starts to respectively convey gas into the air bag 8 through a first air tube 9 and a second air tube 17, the air bag 8 starts to expand and gradually increases in volume until the two ends of the steel tube are completely sealed, after the sealing, the worker starts to start the external power supply of an electric push rod 20, the output end of the piston 19 pushes the air bag to move along the inner wall of the air tube to move to keep the pressure of the inner wall of the air bag to reach a preset value, and once the pressure of the pressure gauge of the steel tube, and the pressure gauge is displayed, and the pressure gauge is displayed once the pressure gauge is displayed.
Example two: as can be seen from fig. 1, 4 and 5, a supporting device is arranged on the top of the transverse plate 1; the supporting device comprises a square plate 13, a round rod 10, a cylinder 11, a first clamping plate 12, a second threaded rod 14, a sliding cylinder 15 and a second clamping plate 28; the square plate 13 is fixedly connected to the top of the transverse plate 1, the front of the square plate 13 is fixedly connected with a second clamping plate 28, through the matching of the first plate clamp 12 and the second plate clamp 28, a worker can fix the steel pipe by adjusting the distance between the first plate clamp 12 and the second plate clamp 28, and the subsequent work of the worker is facilitated, two sides of the inner wall of the second clamping plate 28 are rotatably connected with second threaded rods 14 through bearings, one sides, away from each other, of the two second threaded rods 14 are provided with round rods 10 fixedly connected to the tops of the second clamping plate 28, the round rods 10 are sleeved with sliding cylinders 15, through the matching of the second threaded rods 14 and the cylinders 11, the worker rotates the second threaded rods 14, the cylinders 11 drive the outer walls of the sliding cylinders 15 to move through the movement of the cylinders 11, the outer walls of the second threaded rods 14 are in threaded connection with the cylinders 11, the first clamping plate 12 is arranged above the second clamping plate 28, the back of the second clamping plate 12 is fixedly connected with the front of the cylinders 11, and the sliding cylinders 15 are fixedly connected with the threaded rods 11;
in the specific implementation process, it is worth noting that through the matching of the first plate clamp 12 and the second plate clamp 28, the worker adjusts the distance between the first plate clamp 12 and the second plate clamp 28 to fix the steel pipe, so that the worker can conveniently perform subsequent work, and through the matching of the second threaded rod 14 and the cylinder 11, the worker rotates the second threaded rod 14, the rotation of the second threaded rod 14 enables the cylinder 11 to drive the outer wall of the sliding cylinder 15 to move, and the sliding cylinder 15 is driven to move through the movement of the cylinder 11, so that the structure plays a role in supporting the steel pipe, the steel pipe is prevented from being too long, and the steel pipe is prevented from being inclined during work, so that the steel pipe is separated from the air bag 8 and leaks air;
specifically, on the basis of the above embodiment, when the worker needs to install and fix the steel pipe, the worker places the steel pipe on the top of the second plate clamp 28, and then the worker rotates the second threaded rod 14, and further the cylinder 11 drives the sliding cylinder 15 to slide along the outer wall of the round rod 10 through the rotation of the second threaded rod 14, the cylinder 11 moves to drive the first plate clamp 12 to move, and the movement of the first plate clamp 12 reduces the distance between the first plate clamp 12 and the second plate clamp 28 until the steel pipe is clamped and fixed.
Example three: as can be seen from fig. 1 and 3, a movable device is arranged below the air cylinder 18; the movable device comprises a shell 21, a second sliding block 22 and a second sliding rail 25; the top of the shell 21 is fixedly connected to the bottom of the inflator 18, one side of the inner wall of the shell 21 is fixedly connected with the electric push rod 20, through the matching of the shell 21 and the second slide block 22, the worker pushes the shell 21 to enable the shell 21 to drive the second slide block 22 to slide along the outer wall of the second slide rail 25, the rapid disassembly and assembly of the shell 21 by the worker are facilitated, the bottom of the shell 21 is fixedly connected with the second slide block 22, the inner wall of the second slide block 22 is slidably clamped with the second slide rail 25, and the second slide rail 25 is fixedly connected to the top of the bracket 2;
in the specific implementation process, it is worth noting that through the cooperation between the housing 21 and the second sliding block 22, the worker pushes the housing 21, so that the housing 21 drives the second sliding block 22 to slide along the outer wall of the second sliding rail 25, and the worker can conveniently and rapidly detach and install the housing 21;
further, a fixing device is arranged on one side of the second sliding block 22 close to the bracket 2; the fixing device comprises a vertical plate 26, a gear 23 and a rack 24; riser 26 fixed connection is in inner wall one side of casing 21, riser 26's inner wall slip joint has rack 24, cooperation through gear 23 and rack 24, staff's rotating gear 23, rotation through gear 23 drives rack 24 and removes, insert the inner wall of second slide rail 25 with rack 24, can fix second slider 22, rack 24 meshes and is connected with gear 23, gear 23 rotates the one side of connecting in riser 26, peg graft in the inner wall of second slide rail 25 in rack 24's bottom.
In the specific implementation process, it is worth particularly pointing out that through the cooperation between the gear 23 and the rack 24, the worker rotates the gear 23, and through the rotation of the gear 23, the rack 24 is driven to move, and the rack 24 is inserted into the inner wall of the second slide rail 25, so that the second slide block 22 can be fixed;
specifically, on the basis of the above embodiment, when the worker needs to replace the supercharging device, the gear 23 is rotated first, the gear 23 is rotated to drive the rack 24 to move, so that the rack 24 is separated from the inner wall of the second slide rail 25, at this time, the worker pushes the housing 21, so that the housing 21 drives the second slider 22 to slide along the outer wall of the second slide rail 25, until the second slide rail 25 is completely separated from the second slider 22, the dismounting of the supercharging device is completed, and the operation steps are convenient and fast.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a long-range confession liquid of colliery is with scribbling compound steel pipe pressure test device that moulds, includes diaphragm (1), its characterized in that: the two ends of the transverse plate (1) are fixedly connected with the brackets (2), the inner wall of one bracket (2) is fixedly connected with a circular tube (27), the circular tube (27) is provided with a pressure gauge (29), and an air charging device is arranged above the transverse plate (1);
the inflation device comprises an inflation pump (16), a fixed seat (7), an air bag (8), a first air pipe (9) and a second air pipe (17);
the bottom and one of inflator pump (16) the top fixed connection of support (2), the output intercommunication of inflator pump (16) has first trachea (9) and second trachea (17), the end of first trachea (9) and second trachea (17) all communicates gasbag (8), one the side rigid coupling of gasbag (8) has fixing base (7), another the side of gasbag (8) and the side fixed connection of support (2), and the rigid coupling in the outer wall of pipe (27).
2. The plastic-coated composite steel pipe pressure test device for coal mine remote liquid supply according to claim 1, characterized in that: the tail end of the circular tube (27) is provided with a pressurizing device;
the supercharging device comprises an air cylinder (18), a piston (19) and an electric push rod (20);
the inner wall of inflator (18) is pegged graft mutually with the outer wall of pipe (27), the inner wall laminating of inflator (18) has piston (19), one side fixedly connected with electric putter (20) that pipe (27) were kept away from in piston (19).
3. The plastic-coated composite steel pipe pressure test device for coal mine remote liquid supply according to claim 1, characterized in that: the bottom of the fixed seat (7) is provided with an adjusting device;
the adjusting device comprises a first sliding rail (4), a first sliding block (3), a first threaded rod (5) and a support rod (6);
first slide rail (4) fixed connection is in the top of diaphragm (1), the outer wall sliding clamping joint of first slide rail (4) has first slider (3), the top of first slider (3) and the bottom rigid coupling of fixing base (7), one side that gasbag (8) were kept away from in first slider (3) is provided with branch (6), the inner wall threaded connection of branch (6) has first threaded rod (5), the end of first threaded rod (5) is rotated through the bearing and is connected in the inner wall of fixing base (7), the bottom of branch (6) and the top rigid coupling of diaphragm (1) mutually.
4. The plastic-coated composite steel pipe pressure test device for coal mine remote liquid supply according to claim 1, characterized in that: the top of the transverse plate (1) is provided with a supporting device;
the supporting device comprises a square plate (13), a round rod (10), a cylinder (11), a first clamping plate (12), a second threaded rod (14), a sliding cylinder (15) and a second clamping plate (28);
the fixed connection of square plate (13) is in the top of diaphragm (1), the positive fixedly connected with second splint (28) of square plate (13), the inner wall both sides of second splint (28) all rotate through the bearing and are connected with second threaded rod (14), one side that two second threaded rods (14) kept away from each other is provided with round bar (10) of fixed connection in second splint (28) top, slide cartridge (15) have been cup jointed to the outer wall of round bar (10), the outer wall threaded connection of second threaded rod (14) has drum (11), the top of second splint (28) is provided with first splint (12), the back of first splint (12) and the positive looks rigid coupling of drum (11), slide cartridge (15) and drum (11) looks rigid coupling.
5. The plastic-coated composite steel pipe pressure test device for coal mine remote liquid supply according to claim 2, characterized in that: a movable device is arranged below the air cylinder (18);
the movable device comprises a shell (21), a second sliding block (22) and a second sliding rail (25);
the top fixed connection of casing (21) is in the bottom of inflator (18), inner wall one side of casing (21) links to each other with electric putter (20) is fixed, the bottom fixedly connected with second slider (22) of casing (21), the inner wall slip joint of second slider (22) has second slide rail (25), second slide rail (25) fixed connection is in the top of support (2).
6. The plastic-coated composite steel pipe pressure test device for coal mine remote liquid supply according to claim 5, wherein: a fixing device is arranged on one side, close to the bracket (2), of the second sliding block (22);
the fixing device comprises a vertical plate (26), a gear (23) and a rack (24);
riser (26) fixed connection is in inner wall one side of casing (21), the inner wall sliding joint of riser (26) has rack (24), rack (24) meshing is connected with gear (23), gear (23) rotate to be connected in one side of riser (26), the bottom of rack (24) is pegged graft in the inner wall of second slide rail (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223216067.8U CN218725116U (en) | 2022-12-01 | 2022-12-01 | Pressure test device for plastic-coated composite steel pipe for remote liquid supply of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223216067.8U CN218725116U (en) | 2022-12-01 | 2022-12-01 | Pressure test device for plastic-coated composite steel pipe for remote liquid supply of coal mine |
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| CN218725116U true CN218725116U (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117907195A (en) * | 2024-03-19 | 2024-04-19 | 山东大业股份有限公司 | Steel cord glue seepage rate detection device |
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2022
- 2022-12-01 CN CN202223216067.8U patent/CN218725116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117907195A (en) * | 2024-03-19 | 2024-04-19 | 山东大业股份有限公司 | Steel cord glue seepage rate detection device |
| CN117907195B (en) * | 2024-03-19 | 2024-06-14 | 山东大业股份有限公司 | Steel cord glue seepage rate detection device |
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