CN113513646A - Air pipe joint, inflation module, energy storage device and hydraulic pile hammer - Google Patents
Air pipe joint, inflation module, energy storage device and hydraulic pile hammer Download PDFInfo
- Publication number
- CN113513646A CN113513646A CN202110401791.9A CN202110401791A CN113513646A CN 113513646 A CN113513646 A CN 113513646A CN 202110401791 A CN202110401791 A CN 202110401791A CN 113513646 A CN113513646 A CN 113513646A
- Authority
- CN
- China
- Prior art keywords
- valve core
- valve
- air passage
- pipe
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 30
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 4
- 239000007789 gas Substances 0.000 description 22
- 238000007789 sealing Methods 0.000 description 14
- 238000007599 discharging Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
- F16L39/04—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies allowing adjustment or movement
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift Valve (AREA)
Abstract
A gas pipe joint comprises a pipe connecting sleeve, a valve core operating tool and a connecting pipe sleeve; the valve core operation tool is provided with a tool part matched with the valve core and a first air passage used for communicating the valve core air passage; a second air passage is arranged on the connecting pipe sleeve; the pipe connecting sleeve is provided with a third air passage communicated with the second air passage; when the valve core stops the valve core air passage, the valve core operating tool stops the third air passage, and when the valve core opens the valve core air passage, the third air passage is communicated with the first air passage, and the first air passage is communicated with the valve core air passage. An inflation module comprises a stop valve, a discharge valve and a gas pipe connector, wherein the stop valve is communicated with a second gas passage through a connecting pipe, and a gas inlet of the discharge valve is communicated with the connecting pipe. An energy storage device comprises an energy accumulator, a valve and a gas pipe joint, wherein the connecting end of a pipe connecting sleeve is fixedly connected with a connecting seat to form a pipeline wall. A hydraulic pile hammer comprises a hammer body shell, a heavy hammer, a hydraulic oil supply device and an energy storage device. To improve the system stability of the pile driving hammer.
Description
Technical Field
The invention relates to the field of fluid charging and discharging equipment, in particular to an inflation module which comprises a gas pipe joint and can be applied to charging and discharging occasions of an energy storage device of a hydraulic pile hammer.
Background
Patent document CN104912854A describes a single-valve gas-liquid hydraulic pile hammer, which comprises an oil distribution cabin, a single-valve-core two-position three-way electro-hydraulic directional valve, an air storage cabin, a double-medium hydraulic cylinder, three high-pressure accumulators, three low-pressure accumulators, two oil guide steel pipes and an air distribution cabin. The high-pressure energy accumulator is communicated with a high-pressure oil inlet path of the hydraulic system, and the internal pressure of the high-pressure energy accumulator needs to be matched with the oil inlet pressure of the hydraulic system; the low-pressure energy accumulator is communicated with a low-pressure oil return oil way of the hydraulic system, and the internal pressure of the low-pressure energy accumulator needs to be matched with the oil return pressure of the hydraulic system. If the oil inlet pressure of the high-pressure energy accumulator is not matched with the oil inlet pressure of the hydraulic system, or the oil return pressure of the low-pressure energy accumulator is not matched with the oil return pressure of the hydraulic system, the hydraulic system of the hydraulic pile hammer is adversely affected, and the normal use of the hydraulic pile hammer is further affected. Generally, in order to match the pressure in the accumulator with the pressure of the hydraulic system, it is necessary to charge nitrogen gas into the accumulator or discharge nitrogen gas from the accumulator in time. Suitable charging and discharging devices therefore belong to the kit of accumulators.
The valve is provided with a connecting seat and a valve core for opening and closing a valve core air passage in the connecting seat, the valve core is in threaded connection with the connecting seat, a first valve core air hole is formed in the side face of the valve core air passage, and a second valve core air hole communicated with an inner cavity of the energy accumulator is formed in the end face of the valve core air passage. When the air accumulator is used, the valve core is screwed out, so that the air hole of the first valve core is exposed out of the cavity between the connecting seat and the valve core, the inner cavity of the energy accumulator is communicated with the outside of the energy accumulator through the air passage of the valve core, and the air charging and discharging operation of the energy accumulator can be realized; the valve core is screwed in, so that the air hole of the first valve core is shielded by the connecting seat, the inner cavity of the energy accumulator and the outer part of the energy accumulator are cut off by the sealing body between the connecting seat and the valve core, and the gas in the inner cavity of the energy accumulator can be prevented from leaking to the outer part of the energy accumulator or entering the inner cavity of the energy accumulator.
The existing compressed natural gas charging valve is provided with a gas pipe joint for charging compressed natural gas into a container. Patent document CN209458450U describes a compressed natural gas charging valve structure for an automobile with a charging head, which is only suitable for charging a gas tank. However, the valve of the accumulator is provided with a valve core for opening and closing the valve core air passage in the connecting seat, and when the valve core is not opened, the inflation operation cannot be realized. After the inventor searches the prior art, a gas pipe joint which can be used for charging and discharging the energy accumulator is not found.
Disclosure of Invention
A first object of the present invention is to provide a gas pipe joint which is constructed to facilitate opening and closing of a gas charge and discharge passage.
A second object of the invention is to provide an inflation module which is structurally adapted to effect inflation of a container.
A third object of the present invention is to provide an energy storage device which is structured to facilitate adjustment of the air pressure in the interior chamber of the energy storage device.
A fourth object of the present invention is to provide a hydraulic pile driving hammer to improve the system stability of the hydraulic pile driving hammer.
In the present invention, the related technical terms are explained as follows:
the pipeline intercommunication means that two orifices are communicated through a pipeline, and the pipeline can select a hard pipe and a hose as required. The dynamic sealing connection and the static sealing connection for forming the pipeline are both considered to be the absence of a leakage port on the pipeline wall under the limitation of the pipeline connecting technical conditions.
The technical scheme of the invention is as follows:
a gas pipe joint is used for connecting a valve, the valve is provided with a connecting seat and a valve core for opening and closing a valve core gas passage in the connecting seat, and the gas pipe joint comprises a pipe connecting sleeve, a valve core operating tool and a connecting pipe seat sleeve; the valve core operation tool is movably arranged in the pipe connecting sleeve and is provided with a tool part matched with the valve core and a first air passage communicated with the valve core air passage; the connecting pipe seat sleeve is movably sleeved on the pipe connecting sleeve, and a second air passage is arranged on the connecting pipe seat sleeve; the pipe connecting sleeve is provided with a third air passage which is used for communicating the second air passage with a pipeline; when the valve core cuts off the valve core air passage, the valve core operating tool cuts off the third air passage, and when the valve core opens the valve core air passage, the third air passage is communicated with the first air passage, and the first air passage is communicated with the valve core air passage.
Preferably, the valve core operation tool is in threaded connection with the pipe connection sleeve, a first opening is formed in the side face of the valve core operation tool of the first air passage, the pipe connection sleeve seals the first opening when the valve core operation tool is at a cut-off position of the pipe connection sleeve, and the first opening is communicated with the third air passage when the valve core operation tool is at an opening position of the pipe connection sleeve.
Preferably, the valve core is in threaded connection with the connecting seat, a first anti-falling limiting portion and a second anti-falling limiting portion are arranged in the pipe connecting sleeve, the valve core operating tool comprises a tool head, a pressure spring and a control head, the tool portion is arranged on the tool head, the tool head is connected with a moving pair of the control head, and two ends of the pressure spring respectively press the tool head on the first anti-falling limiting portion and the control head on the second anti-falling limiting portion.
Preferably, the control head is in threaded connection with the pipe connection sleeve, the first air duct comprises a 1A segmented fluid pipeline arranged on the tool head and a 1B segmented fluid pipeline arranged on the control head, the 1A segmented fluid pipeline is communicated with the 1B segmented fluid pipeline, a first opening is formed in the side face of the control head of the 1B segmented fluid pipeline, the pipe connection sleeve seals the first opening when the control head is at the cut-off position of the pipe connection sleeve, and the first opening is communicated with the third air duct when the control head is at the open position of the pipe connection sleeve.
Preferably, the connecting end of the pipe connecting sleeve is also provided with a threaded part for fixedly connecting the connecting seat.
Preferably, when the threaded portion is fixedly connected with the connecting seat, the pipe connecting sleeve and the connecting seat form a pipe wall for connecting the first air passage and the valve core air passage.
An inflation module comprises a stop valve, a discharge valve and the air pipe joint, wherein the stop valve is communicated with the second air passage through a connecting pipe, and an air inlet of the discharge valve is communicated with the connecting pipe.
Preferably, the device further comprises a high-pressure gauge, a low-pressure gauge and a low-pressure gauge valve, wherein a detection port of the high-pressure gauge is communicated with the stop valve and a pipeline between the discharge valves, an air inlet of the low-pressure gauge valve is communicated with the discharge valves and a pipeline between the second air passages, and an air outlet of the low-pressure gauge valve is communicated with a detection port of the low-pressure gauge.
An energy storage device comprises an energy accumulator, a valve and the air pipe joint, wherein the valve is provided with a connecting seat and a valve core for opening and closing a valve core air passage in the connecting seat, the valve core is in threaded connection with the connecting seat, a first valve core air hole is formed in the side surface of the valve core air passage, and a second valve core air hole communicated with an inner cavity of the energy accumulator is formed in the end surface of the valve core air passage; the connecting end of the pipe connecting sleeve is fixedly connected with the connecting seat to form a pipeline wall, and the tool part is used for disassembling and assembling the valve core so as to enable the valve core operating tool to stop the third air passage, or the third air passage is communicated with the first air passage pipeline, and the first air passage is communicated with the valve core air passage.
Preferably, still include the valve assembly, the valve assembly includes stop valve, unloading valve, high pressure gauge, low pressure manometer and low pressure manometer valve, the stop valve with the second air flue passes through the connecting pipe intercommunication, the air inlet of unloading valve with the stop valve with pipeline between the second air flue is linked together, high pressure manometer's detection mouth with the stop valve with pipeline between the unloading valve is linked together, the air inlet of low pressure manometer valve with the unloading valve with pipeline between the second air flue is linked together, the gas outlet of low pressure manometer valve with the detection mouth of low pressure manometer is linked together.
The hydraulic pile driving hammer comprises a hammer body shell, a heavy hammer, a hydraulic oil supply device and the energy storage device, wherein the energy storage device is arranged on the hammer body shell.
The invention has the beneficial effects that:
1. the position of the first valve core air hole of the valve core relative to the connecting seat can be adjusted by operating the valve core operating tool, so that the valve is in an opening or closing state. When the valve is in a cut-off state (namely the valve core cuts off the valve core air passage), the valve core operating tool cuts off the third air passage; when the valve is in the opening state (namely the valve core opens the valve core air passage), the third air passage is communicated with the first air passage pipeline, and the first air passage is communicated with the valve core air passage. The mode that the first air passage is communicated with the valve core air passage is as follows: the connecting seat and the pipe connecting sleeve form a pipeline wall communicated with the first air passage and the valve core air passage. The air pipe joint can conveniently communicate the fluid charging and discharging pipeline with the valve core air passage and open or stop the connection of the fluid charging and discharging pipeline and the valve core air passage when in need. Here, because case operation instrument can end first gas passage, like this, can avoid outside moisture and dust to get into the fluid charge and discharge pipeline of being connected with the trachea joint, improve the fluid cleanliness that the fluid was filled and discharged the process.
2. When the tool head, the pressure spring, the control head, the first anti-falling limiting part and the second anti-falling limiting part form a valve core operation tool with adjustable length, the volume of the air pipe joint can be reduced.
3. The first air passage and the third air passage are cut off by adjusting the position of the control head at the pipe connecting sleeve, namely the pipe connecting sleeve seals the first opening, namely the third air passage is aligned with the first opening, and the first air passage is communicated with the third air passage.
4. When the pipe connecting sleeve is in threaded connection with the connecting seat, the pipe connecting sleeve needs to be rotated when the pipe connecting sleeve is connected with the connecting seat. At the moment, the pipe connecting sleeve is movably connected with the pipe connecting seat sleeve, and the structure of the valve core operating tool and the movable connection of the pipe connecting sleeve is arranged, so that the pipe connecting sleeve can be screwed on the connecting seat or screwed out of the connecting seat under the condition that the connecting pipe connected with the first air passage is not twisted. The valve core operating tool is connected with the pipe connecting sleeve thread pair, the structure is simple, and the use is convenient. Especially, when the thread pair adopts the sealing thread, the effect is better.
5. The bleed valve is a device that adjusts the flow rate of a medium by controlling the opening degree of an opening/closing member in a valve body. The stop valve and the relief valve are matched to realize the charging and discharging operation at the same time, namely, when the pressure in the energy accumulator is greater than the opening pressure of the relief valve, the energy accumulator discharges gas, the pressure in the energy accumulator is less than the opening pressure of the relief valve, and when the other end of the stop valve is connected with a gas source, the energy accumulator can be charged with gas.
6. When the energy accumulator comprises the inflation module, the air pressure in the energy storage device can be conveniently adjusted by controlling the using state of the inflation module.
7. When the hydraulic pile hammer is provided with the energy storage device, the pressure of the energy storage device is adjusted to be balanced with the pressure of the hydraulic oil supply device through the energy storage device, and the stability of the hydraulic pile hammer can be improved.
Drawings
Figure 1 is a cross-sectional view of a gas line connector of the present invention.
The reference number indicates that 10-pipe connecting sleeve, 101-fixing part, 102-third air channel, 11-hand wheel, 12-pipe connecting sleeve, 121-second air channel, 13-valve core operating tool, 131-first air channel, 133-second opening hole, 134-tool part, 135-first anti-dropping pin hole, 136-second anti-dropping pin hole, 16-movable pin, 171-first sealing ring, 172-second sealing ring, 173-third sealing ring and 174-fourth sealing ring.
Figure 2 is a cross-sectional view of yet another air tube connector of the present invention.
The reference number indicates that 10-pipe connecting sleeve, 101-fixing part, 102-third air channel, 11-hand wheel, 12-pipe connecting sleeve, 121-second air channel, 13-tool head, 131-1A air channel, 133-second opening hole, 134-tool part, 135-first anti-dropping pin hole, 136-second anti-dropping pin hole, 14-control head, 141-1B air channel, 15-pressure spring, 16-movable pin, 171-first sealing ring, 172-second sealing ring, 173-third sealing ring and 174-fourth sealing ring.
FIG. 3 is a block diagram of an inflation module of the present invention.
FIG. 4 is a perspective view of a valve assembly of an energy storage device of the present invention;
fig. 5 is a piping structure diagram of the valve assembly shown in fig. 4.
Fig. 6 is a top view of the hammer body of a hydraulic pile hammer of the present invention, with the valve schematically shown in perspective.
Fig. 7 is a partial structural view of an energy storage device according to the present invention.
The reference numbers indicate, 1-gas pipe joint, 2-connecting pipe, 3-valve assembly, 30-pipe head base, 301-discharge port, 31-high pressure side pipe interface, 32-stop valve, 33-high pressure gauge, 34-discharge valve, 35-low pressure gauge valve, 36-low pressure gauge, 37-low pressure side pipe interface, 4-connecting pipe, 50-hammer shell, 501-hammer guide hole, 502-connecting seat, 503-valve core, 51-accumulator, 52-connecting pipe.
Detailed Description
The present invention is described below in terms of embodiments in conjunction with the accompanying drawings to assist those skilled in the art in understanding and implementing the present invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.
Fig. 7 shows a partial structural representation of an energy storage device. The accumulator 51 is connected with a valve, the valve is provided with a connecting seat 502 and a valve core 53 for opening and closing a valve core air passage in the connecting seat 502, the valve core 53 is in threaded connection with the connecting seat 502, a first valve core air hole is formed in the side face of the valve core 53 of the valve core air passage, and a second valve core air hole communicated with an inner cavity of the accumulator 51 is formed in the end face of the valve core 53 of the valve core air passage. When the valve core 53 is screwed out, and the air hole of the first valve core is exposed out of the cavity between the connecting seat 502 and the valve core 503, the inner cavity of the energy accumulator 51 can be communicated with the outside of the energy accumulator 51 through the air passage of the valve core, so that the air charging and discharging operation of the energy accumulator 51 can be realized; the valve body 503 is screwed in so that the first valve body air hole is blocked by the connection seat 502, and the outside of the inner cavity of the accumulator 51 and the accumulator 51 is blocked by the sealing body between the connection seat 502 and the valve body 503, thereby preventing the gas in the inner cavity of the accumulator 51 from leaking to the outside of the accumulator 51 or preventing the gas outside the accumulator 51 from entering the inner cavity of the accumulator 51. Generally, the valve core 53 is provided with a structure for facilitating screwing in and out, such as a straight groove, a cross groove, an inner hexagonal hole, and an outer hexagonal head.
Example 1: the utility model provides a trachea connects for connect the valve, the valve has the connecting seat and is used for the case of the case air flue in the switching connecting seat, establishes that the case borders on the one side that holds the chamber outside and is the exposed end, and the case air flue is equipped with first case trompil on the side of case, and the case air flue is equipped with second case trompil on the terminal surface that borders on in holding chamber one side of case.
Referring to fig. 1, the air pipe joint includes a pipe joint housing 12, a pipe joint housing 10, and a valve core operating tool 13. To facilitate operation of the valve core operating means 13, the air pipe connector of the present invention may further comprise a hand wheel 11.
Referring to fig. 1, a third air passage 102 is provided on the pipe connecting sleeve 10, the third air passage 102 is provided with a third opening on the outer wall of the pipe connecting sleeve 10, and the third air passage 102 is provided with a fourth opening on the inner wall of the pipe connecting sleeve 10. In order to fixedly connect the air pipe joint and the valve, the connecting end of the pipe connecting sleeve 10 is further provided with a fixing part 101. Since fig. 7 shows an energy storage device in which the connecting seat 502 is provided with an internal thread, the fixing portion 101 is selected to have a matching external thread. When the fixing portion 101 is fixedly connected with the coupling socket, the pipe coupling sleeve 10 and the coupling socket form a pipe wall for connecting the first air passage 131 and the valve core air passage.
Referring to fig. 1, a pipe connecting sleeve 12 is movably sleeved on a pipe connecting sleeve 10, a second air passage 121 is arranged on the pipe connecting sleeve 12, the second air passage 121 is used for connecting other pipeline parts, and the pipeline parts can be pipe connectors or plugs. In this embodiment, the second air duct 121 is provided with a fifth opening on the outer wall of the stem sleeve 12, and a sixth opening on the inner wall of the stem sleeve 12. The inner wall of the fifth opening of the pipe socket sleeve 12 is provided with an internal thread for connecting a pipe connector. The pipe connecting seat sleeve 12 is connected with a rotating pair of the pipe connecting sleeve 10, and a first dynamic seal for communicating the second air passage 121 and the third air passage 102 through a pipeline is arranged between the pipe connecting seat sleeve 12 and the pipe connecting sleeve 10. In this embodiment, the first and second seal rings 171, 172 form a first dynamic seal between the coupling sleeve 12 and the pipe coupling sleeve 10. The first and second sealing rings 171 and 172 are respectively disposed at both sides of the sixth and third openings, so that a leakage port is prevented from being formed at the connection surface of the pipe coupling sleeve 12 and the pipe coupling sleeve 10.
Referring to fig. 1, the valve core operation tool 13 has an integrally formed operation head and a tool head, the valve core operation tool 13 is movably disposed in the pipe connection sleeve 10, and the valve core operation tool 13 is provided with a tool portion 134 for cooperating with the valve core and a first air passage 131 for communicating with the valve core air passage. If the exposed end of the valve core is provided with a straight groove structure, the tool part 134 can be selected to be a straight head. If the exposed end of the valve core is provided with a cross-shaped groove structure, a cross head can be selected as the tool part 134. If the exposed end of the valve element has an internal hexagonal bore configuration, the tool portion 134 may alternatively be an external hexagonal head. If the exposed end of the valve core is provided with an external hexagonal head structure, the tool portion 134 may be selected to be an internal hexagonal hole. The first air passage 131 is provided with a first opening on the side of the valve element operation tool 13, and a second opening 133 on the tool bit side of the valve element operation tool. In the valve to be operated in this embodiment, the valve core is screwed with the connecting seat, so that the valve core operation tool 13 and the pipe connecting sleeve 10 can adopt a cylindrical pair connection and a screw pair connection. When the valve core operating tool 13 is connected with the pipe connecting sleeve 10 by adopting a cylindrical pair, the relative position of the first opening and the fourth opening needs to be controlled when the valve core operating tool is used, or the relative position of the valve core operating tool 13 and the pipe connecting sleeve 10 needs to be locked by using a pin and a fastening bolt. For example, in the air pipe joint shown in fig. 1, the movable pin 16 is matched with the first anti-dropping pin hole 135 or the second anti-dropping pin hole 136 to lock the relative position of the valve core operation tool 13 and the pipe connection sleeve 10, that is, the movable pin 16 radially penetrates through the pipe connection sleeve 10, and the first anti-dropping pin hole 135 and the second anti-dropping pin hole 136 are axially arranged on the valve core operation tool 13. When the movable pin 16 is inserted into the first anti-falling pin hole 135, the first opening and the fourth opening are staggered, and when the movable pin 16 is inserted into the second anti-falling pin hole 136, the first opening and the fourth opening are aligned.
When the device is used, the relative positions of the valve core operation tool 13 and the pipe connecting sleeve 10 are adjusted, namely the relative positions of the first opening and the fourth opening are controlled, so that the opening and blocking effects of the first air passage 131 and the third air passage 102 are realized. The method comprises the following specific steps:
when the communication between the first air passage 131 and the third air passage 102 needs to be cut off, the wall body of the valve core operation tool 13 is connected with the fourth opening, and the wall body of the pipe connection sleeve 10 is connected with the first opening, so that the communication between the first air passage 131 and the third air passage 102 can be cut off.
When the communication between the first air passage 131 and the third air passage 102 needs to be opened, the first opening and the fourth opening are aligned, so that the communication between the first air passage 131 and the third air passage 102 is realized. In order to realize the fluid charging and discharging of the valve, when the first opening hole and the fourth opening hole are aligned, the first air passage is required to be communicated with the valve core air passage. In order to communicate the first air passage with the valve core air passage, the first valve core opening is exposed outside the connecting seat and the valve core.
In order to reduce the fluid leakage amount at the connection surface between the valve core operation tool 13 and the pipe connection sleeve 10 when the first air passage 131 is communicated with the third air passage 102, a second dynamic seal is arranged between the valve core operation tool 13 and the pipe connection sleeve 10, and because the fluid leakage between the valve core operation tool 13 and the pipe connection sleeve 10 does not affect the air charging and discharging effect at the connection end of the pipe connection sleeve 10, the second dynamic seal only needs to be arranged between the first opening and the operation end of the valve core operation tool 13, so that after the first opening and the fourth opening are aligned, the second dynamic seal can reduce the fluid leakage amount. In this embodiment, the third seal 173 and the fourth seal 174 may form a second dynamic seal between the valve core operation tool 13 and the pipe connection sleeve 10.
If the air pipe joint of the present invention further comprises a hand wheel 11, the hand wheel is circumferentially and frictionally connected with the tail end of the pipe connecting sleeve 10 to realize the function of rotating the pipe connecting sleeve 10. The hand wheel is axially and frictionally connected with the tail end of the pipe connecting sleeve 10 to realize the function of pushing and pulling the pipe connecting sleeve 10.
Example 2: the utility model provides a gas pipe joint for connect the valve, the valve has connecting seat and the case that is used for the case air flue in the switching connecting seat, case and connecting seat threaded connection, establish the case and border on the one side that holds the chamber outside for exposed end, the case air flue is equipped with first case trompil on the side of case, the case air flue is equipped with second case trompil on the terminal surface that borders on in appearance chamber one side of case.
Referring to fig. 2, the air pipe joint includes a pipe joint housing 12, a pipe joint housing 10, and a valve core operating tool. In this embodiment, the pipe connecting sleeve 12 and the pipe connecting sleeve 10 may still adopt the corresponding structures in embodiment 1. The difference between this embodiment and embodiment 1 is that, in this embodiment, the valve element operating tool adopts a split structure, and a first anti-drop limiting portion and a second anti-drop limiting portion are fixedly connected in the pipe connecting sleeve 10, as follows.
The valve core operation tool comprises a tool head 13, a pressure spring 15 and a control head 14, wherein a tool part 134 is arranged on the tool head 13, the tool head 13 is connected with a moving pair of the control head 14, and two ends of the pressure spring 15 respectively press the tool head 13 on a first anti-falling limiting part and press the control head 14 on a second anti-falling limiting part.
When the valve core air passage is opened, the valve core needs to be screwed out, and the tool head 13 is pressed on the first anti-falling limiting part by the pressure spring 15, so that the tool head 13 can be prevented from falling off, and the tool part 134 can be effectively matched with a corresponding structure on the valve core. The length scalability of the compression spring 15 allows the distance between the actuating head 14 and the tool head 13 to be adjusted during the unscrewing of the valve element, thus providing a withdrawal distance for the valve element. The tool head 13 and the control head 14 are connected by a sliding pair, so that the distance between the tool head 13 and the control head 14 can be adjusted, and the circumferential acting force for rotating the control head 14 can be transmitted to the tool head 13.
The first air passage comprises a 1A subsection fluid pipeline 131 arranged on the tool head 13 and a 1B subsection fluid pipeline 141 arranged on the operating head 14, the 1A subsection fluid pipeline 131 is communicated with the 1B subsection fluid pipeline 141, the 1B subsection fluid pipeline 141 is provided with a first opening hole on the side surface of the operating head 14, the pipe connecting sleeve 10 seals the first opening hole when the valve core operating tool is at the stop position of the pipe connecting sleeve 10, and the first opening hole is communicated with the third air passage 102 when the valve core operating tool is at the opening position of the pipe connecting sleeve 10. Referring to fig. 2, a prism slot is provided at the tail end of the tool head 13, a seventh opening is provided at the bottom of the prism slot for the segment fluid pipeline 131 of fig. 1A, a prism plug matched with the prism hole is provided at the head end of the control head 14, and the prism plug is inserted into the prism slot to form a sliding pair. The end face of the prismatic plug of the segment 1B fluid conduit 14 is provided with an eighth opening, so that the segment 1A fluid conduit 131 and the segment 1B fluid conduit 141 can be ensured to communicate with each other.
In order to fixedly connect the air pipe joint and the valve, the connecting end of the pipe connecting sleeve 10 is further provided with a fixing part 101. Since fig. 7 shows an energy storage device in which the connecting seat 502 is provided with an internal thread, the fixing portion 101 is selected to have a matching external thread. When the fixing portion 101 is fixedly connected with the coupling socket, the pipe coupling sleeve 10 and the coupling socket form a pipe wall for connecting the first air passage 131 and the valve core air passage.
Generally, when the control head 14 is connected to the cylindrical pair of the pipe connection sleeve 10, the control head 14 is pushed to align the first opening and the fourth opening, so that the opening and closing effects of the valve core operation tool on the third air passage 102 can be realized. However, this is not easy to manipulate and is preferably provided with the use of pins, set bolts as in example 1 to lock the relative positions of the manipulator head 14 and the coupling sleeve 10.
In addition, the control head 14 and the pipe connection sleeve 10 may also be connected by a screw thread, the 1B segment fluid pipeline 141 is provided with a first opening on the side surface of the control head 14, the pipe connection sleeve 10 seals the first opening when the valve core operation tool is at the cut-off position of the pipe connection sleeve 10, and the first opening is communicated with the third air passage when the valve core operation tool is at the open position of the pipe connection sleeve 10. At this time, the internal thread of the pipe coupling sleeve 10 may form a second escape prevention restricting part.
In this embodiment, the handwheel 11 may also be used to facilitate the screwing of the pipe connection sleeve 10. Specifically, the hand wheel 11 is fixedly connected to the pipe connection sleeve 10, or a radially disposed movable pin 16 in fig. 2 is used to realize circumferential friction connection between the hand wheel 11 and the pipe connection sleeve 10.
Example 3: an inflation module, see fig. 1-5, comprises a stop valve 32, a dump valve 34 and the air pipe connector 1 of any one of embodiments 1-2, wherein the stop valve 32 is communicated with a third air passage 121 through a connecting pipe, and an air inlet of the dump valve 34 is communicated with the connecting pipe.
Example 4: an inflation module, see fig. 1-5, comprising a shut-off valve 32, a dump valve 34, a high pressure gauge 33, a low pressure gauge 36, a low pressure gauge valve 35 and the air line connector 1 of any of embodiments 1-2. The shut valve 32 communicates with the third air passage 121 through a connection pipe. The air inlet of the low-pressure gauge valve 35, the air inlet of the dump valve 34 and the detection port of the high-pressure gauge 33 are simultaneously communicated with the connecting pipe, and the third air passage 121, the air inlet of the low-pressure gauge valve 35, the air inlet of the dump valve 34, the detection port of the high-pressure gauge 33 and the stop valve 33 are sequentially connected to a pipeline between the stop valve 32 and the third air passage 121 through pipelines. The air outlet of the low-pressure gauge valve 35 is communicated with the detection port of the low-pressure gauge 36.
Example 5: an energy storage device, see fig. 1-5 and 7, comprises an energy storage device 51, a valve and the gas pipe joint 1 of any one of embodiments 1-2, wherein the valve can be arranged on the energy storage device 51 or extend out of the energy storage device 51 through a pipeline. The valve is provided with a connecting seat 502 and a valve core 503 for opening and closing a valve core air passage in the connecting seat 502, the valve core 503 is in threaded connection with the connecting seat 502, a first valve core air hole is formed in the side face of the valve core 503 of the valve core air passage, and a second valve core air hole communicated with the inner cavity of the energy accumulator 51 is formed in the end face of the valve core air passage on the valve core 503; when the fixed end of the pipe connection sleeve 10 is fixedly connected with the connection seat, the connection end of the pipe connection sleeve 10 is fixedly connected with the connection seat 502 to form a pipe wall, and the tool part 134 is used for disassembling and assembling the valve core 503, so that the valve core operation tool stops the third air passage 102, or the third air passage 102 is communicated with the first air passage pipe, and the first air passage is communicated with the valve core air passage.
Example 6: a hydraulic pile hammer comprises a hammer body shell 50, a heavy hammer, a hydraulic oil supply device and the energy storage device in embodiment 5, wherein the energy storage device is fixedly arranged on the hammer body shell 50 or in the hammer body shell 50, and a valve is fixed on the outer wall of the hammer body shell 50.
Example 7: an energy storage device, see fig. 1-7, comprises an energy storage device 51, a valve assembly 3 and the gas pipe joint 1 in any one of embodiments 1-2, wherein the valve can be arranged on the energy storage device 51 or can extend out of the energy storage device 51 through a pipeline. The valve is provided with a connecting seat 502 and a valve core 503 for opening and closing a valve core air passage in the connecting seat 502, the valve core 503 is in threaded connection with the connecting seat 502, a first valve core air hole is formed in the side face of the valve core 503 of the valve core air passage, and a second valve core air hole communicated with the inner cavity of the energy accumulator 51 is formed in the end face of the valve core air passage on the valve core 503; when the fixed end of the pipe connection sleeve 10 is fixedly connected with the connection seat, the connection end of the pipe connection sleeve 10 is fixedly connected with the connection seat 502 to form a pipe wall, and the tool part 134 is used for disassembling and assembling the valve core 503, so that the valve core operation tool stops the third air passage 102, or the third air passage 102 is communicated with the first air passage pipe, and the first air passage is communicated with the valve core air passage.
The valve assembly 3 includes a shut-off valve 32, a relief valve 34, a high pressure gauge 33, a low pressure gauge 36 and a low pressure gauge valve 35. The shut-off valve 32 is connected to the third air passage 121 via a connecting pipe, see fig. 5, when the low-pressure side pipe connection 37 is connected to the fifth opening, the connecting pipe is a pipe between the shut-off valve 32 and the low-pressure side pipe connection 37, and the other end of the shut-off valve 32 is connected to the high-pressure side pipe connection 31 via the connecting pipe. The air inlet of the low-pressure gauge valve 35, the air inlet of the dump valve 34 and the detection port of the high-pressure gauge 33 are simultaneously communicated with a pipeline between the dump valve 34 and the third air passage 121, the air inlet of the low-pressure gauge valve 35, the air inlet of the dump valve 34, the detection port of the high-pressure gauge 33 and the stop valve 33 are sequentially connected with the pipeline between the stop valve 32 and the third air passage 121 through pipelines. The air outlet of the low-pressure gauge valve 35 is communicated with the detection port of the low-pressure gauge 36.
The high-pressure side pipe interface 31 is connected with an air source output port through a connecting pipe.
Example 8: a hydraulic pile hammer comprises a hammer body shell 50, a heavy hammer, a hydraulic oil supply device and the energy storage device in embodiment 6, wherein the energy storage device is fixedly arranged on the hammer body shell 50 or in the hammer body shell 50, and a valve is fixed on the outer wall of the hammer body shell 50.
The invention is described in detail above with reference to the figures and examples. It should be understood that in practice the description of all possible embodiments is not exhaustive and that the inventive concepts are described herein as far as possible by way of illustration. Without departing from the inventive concept of the present invention and without any creative work, a person skilled in the art should, in all of the embodiments, make optional combinations of technical features and experimental changes of specific parameters, or make a routine replacement of the disclosed technical means by using the prior art in the technical field to form specific embodiments, which belong to the content implicitly disclosed by the present invention.
Claims (10)
1. A gas pipe joint is used for connecting a valve, the valve is provided with a connecting seat and a valve core for opening and closing a valve core gas passage in the connecting seat, and the gas pipe joint is characterized by comprising a pipe connecting sleeve, a valve core operating tool and a connecting pipe seat sleeve; the valve core operation tool is movably arranged in the pipe connecting sleeve and is provided with a tool part matched with the valve core and a first air passage communicated with the valve core air passage; the connecting pipe seat sleeve is movably sleeved on the pipe connecting sleeve, and a second air passage is arranged on the connecting pipe seat sleeve; the pipe connecting sleeve is provided with a third air passage which is used for communicating the second air passage with a pipeline; when the valve core cuts off the valve core air passage, the valve core operating tool cuts off the third air passage, and when the valve core opens the valve core air passage, the third air passage is communicated with the first air passage, and the first air passage is communicated with the valve core air passage.
2. The air pipe connector as claimed in claim 1, wherein the valve core operation tool is threadedly coupled to the pipe connection sleeve, the first air passage is provided with a first opening at a side surface of the valve core operation tool, the pipe connection sleeve seals the first opening when the valve core operation tool is at a stop position of the pipe connection sleeve, and the first opening is communicated with the third air passage when the valve core operation tool is at an open position of the pipe connection sleeve.
3. The air pipe joint as claimed in claim 1, wherein the valve core is threadedly coupled to the coupling seat, a first anti-separation limiting portion and a second anti-separation limiting portion are provided in the pipe coupling sleeve, the valve core operating tool includes a tool head, a compression spring and a control head, the tool portion is disposed on the tool head, the tool head is coupled to the control head moving pair, and two ends of the compression spring respectively press the tool head against the first anti-separation limiting portion and the control head against the second anti-separation limiting portion.
4. The air pipe connector as claimed in claim 3, wherein the control head is threadedly connected to the pipe connection sleeve, the first air passage comprises a 1A segment fluid conduit disposed on the tool head and a 1B segment fluid conduit disposed on the control head, the 1A segment fluid conduit is in communication with the 1B segment fluid conduit, the 1B segment fluid conduit is provided with a first opening at a side of the control head, the pipe connection sleeve seals the first opening when the control head is at the cut-off position of the pipe connection sleeve, and the first opening is in communication with the third air passage when the control head is at the open position of the pipe connection sleeve.
5. A gas pipe joint as defined in claim 1, wherein the connecting end of the pipe connecting sleeve is further provided with a threaded portion for fixedly connecting the connecting seat, and when the threaded portion is fixedly connected with the connecting seat, the pipe connecting sleeve and the connecting seat form a pipe wall for connecting the first gas passage and the valve core gas passage.
6. An inflation module, comprising a stop valve, a dump valve and a gas pipe connector as claimed in any one of claims 1 to 5, wherein the stop valve is in communication with the second gas passage via a connecting pipe, and the gas inlet of the dump valve is in communication with the connecting pipe.
7. The inflation module of claim 6, further comprising a high pressure gauge, a low pressure gauge, and a low pressure gauge valve, the detection port of the high pressure gauge being in communication with the conduit between the shut-off valve and the dump valve, the inlet port of the low pressure gauge valve being in communication with the conduit between the dump valve and the second air passage, the outlet port of the low pressure gauge valve being in communication with the detection port of the low pressure gauge.
8. An energy storage device, characterized by comprising an energy accumulator, a valve and a gas pipe joint according to any one of claims 1 to 5, wherein the valve is provided with a connecting seat and a valve core for opening and closing a valve core gas passage in the connecting seat, the valve core is in threaded connection with the connecting seat, the valve core gas passage is provided with a first valve core gas hole on the side surface of the valve core, and the valve core gas passage is provided with a second valve core gas hole communicated with an inner cavity of the energy accumulator on the end surface of the valve core; the connecting end of the pipe connecting sleeve is fixedly connected with the connecting seat to form a pipeline wall, and the tool part is used for disassembling and assembling the valve core so as to enable the valve core operating tool to stop the third air passage, or the third air passage is communicated with the first air passage pipeline, and the first air passage is communicated with the valve core air passage.
9. The energy storage device according to claim 8, further comprising a valve assembly including a stop valve, a dump valve, a high pressure gauge, a low pressure gauge and a low pressure gauge valve, wherein the stop valve is communicated with the second air passage through a connecting pipe, an air inlet of the dump valve is communicated with a pipe between the stop valve and the second air passage, a detection port of the high pressure gauge is communicated with a pipe between the stop valve and the dump valve, an air inlet of the low pressure gauge is communicated with a pipe between the dump valve and the second air passage, and an air outlet of the low pressure gauge is communicated with a detection port of the low pressure gauge.
10. A hydraulic pile driving hammer comprising a hammer body housing, a hammer weight, a hydraulic oil supply means and an energy storage means as claimed in claim 8 or 9, said energy storage means being provided on said hammer body housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401791.9A CN113513646A (en) | 2021-04-14 | 2021-04-14 | Air pipe joint, inflation module, energy storage device and hydraulic pile hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401791.9A CN113513646A (en) | 2021-04-14 | 2021-04-14 | Air pipe joint, inflation module, energy storage device and hydraulic pile hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113513646A true CN113513646A (en) | 2021-10-19 |
Family
ID=78061392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110401791.9A Pending CN113513646A (en) | 2021-04-14 | 2021-04-14 | Air pipe joint, inflation module, energy storage device and hydraulic pile hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113513646A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB748989A (en) * | 1950-10-09 | 1956-05-16 | Gratzmuller Jean Louis | Improvements in hydraulic control valves |
| SU773198A1 (en) * | 1979-04-13 | 1980-10-23 | Научно-Исследовательский Институт Промышленного Строительства | Hydraulic pile hammer |
| CN1526983A (en) * | 2003-03-08 | 2004-09-08 | 钮静江 | Bottle valve for air respirator |
| CN101092956A (en) * | 2007-07-04 | 2007-12-26 | 浙江衢州煤矿机械总厂有限公司 | Energy saving discharge mechanism for mining emulsion power pack |
| CN102410179A (en) * | 2011-09-26 | 2012-04-11 | 西安热工研究院有限公司 | Portable inflating device |
| CN203681926U (en) * | 2013-09-12 | 2014-07-02 | 上海航天精密机械研究所 | Portable intelligent nitrogen charging device |
| CN104912854A (en) * | 2015-06-02 | 2015-09-16 | 东营华晏石油技术有限公司 | Single-valve hydro-pneumatic hydraulic pile hammer and method |
| CN111486139A (en) * | 2020-06-28 | 2020-08-04 | 山东天瑞重工有限公司 | Nitrogen charging and measuring device for hydraulic rock drill energy accumulator and control method thereof |
-
2021
- 2021-04-14 CN CN202110401791.9A patent/CN113513646A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB748989A (en) * | 1950-10-09 | 1956-05-16 | Gratzmuller Jean Louis | Improvements in hydraulic control valves |
| SU773198A1 (en) * | 1979-04-13 | 1980-10-23 | Научно-Исследовательский Институт Промышленного Строительства | Hydraulic pile hammer |
| CN1526983A (en) * | 2003-03-08 | 2004-09-08 | 钮静江 | Bottle valve for air respirator |
| CN101092956A (en) * | 2007-07-04 | 2007-12-26 | 浙江衢州煤矿机械总厂有限公司 | Energy saving discharge mechanism for mining emulsion power pack |
| CN102410179A (en) * | 2011-09-26 | 2012-04-11 | 西安热工研究院有限公司 | Portable inflating device |
| CN203681926U (en) * | 2013-09-12 | 2014-07-02 | 上海航天精密机械研究所 | Portable intelligent nitrogen charging device |
| CN104912854A (en) * | 2015-06-02 | 2015-09-16 | 东营华晏石油技术有限公司 | Single-valve hydro-pneumatic hydraulic pile hammer and method |
| CN111486139A (en) * | 2020-06-28 | 2020-08-04 | 山东天瑞重工有限公司 | Nitrogen charging and measuring device for hydraulic rock drill energy accumulator and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2010266661B2 (en) | Methods and apparatus to charge accumulator apparatus | |
| US11543038B2 (en) | Dense phase pump with easily replaceable components | |
| US9057448B2 (en) | Internal relief valve for a valve actuator | |
| US9353775B2 (en) | Cylindrical liner for piston actuator | |
| CA2194105A1 (en) | Control system with collection chamber | |
| KR0145456B1 (en) | Gas spring with filler valve | |
| US5409040A (en) | Springless pilot operated sequence valve | |
| EP1775474A3 (en) | Screw compressor | |
| US9915373B2 (en) | Electronically controlled pressure relief valve | |
| CN113513646A (en) | Air pipe joint, inflation module, energy storage device and hydraulic pile hammer | |
| JPS6241499A (en) | Tap for compressed or liquefied gas cylinder | |
| US6062540A (en) | Double seal drain cock | |
| CN201100457Y (en) | Electromagnetic pilot high-voltage two-position and three-pass valve | |
| CN109854754A (en) | A kind of guide type valve | |
| CA2172432A1 (en) | Unibody Master-Slave Discharge Valve Assembly for CO2 Systems | |
| RU30908U1 (en) | Stop valve | |
| FI81661B (en) | KULVENTIL. | |
| CN204402460U (en) | Logger hydraulic system outside pressure balancing device | |
| CN220249123U (en) | Grease injection valve failure emergency plugging device | |
| CN216951848U (en) | Pipeline test liquid pressure conversion device | |
| CN217301740U (en) | Mining adjustable full-balance check valve | |
| CN112797207B (en) | Pilot-operated pipeline explosion positive and negative action axial flow type self-closing valve | |
| CN217462106U (en) | Reversing valve of wellhead control system | |
| CN212804464U (en) | Butterfly valve body with various adaptive connections | |
| CN218152529U (en) | Direct-acting plug-in overflow valve capable of adjusting inlet angle in large range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230328 Address after: 89-102 floors, CITIC Tower, Building 1, Yard 10, Guanghua Road, Chaoyang District, Beijing, 100020 Applicant after: CITIC Corporation of China Applicant after: CITIC HEAVY INDUSTRIES Co.,Ltd. Address before: 471000 No. 206, Jianxi, Luoyang District, Henan, Jianshe Road Applicant before: CITIC HEAVY INDUSTRIES Co.,Ltd. |
|
| TA01 | Transfer of patent application right |