CN109014332A - A kind of transformer casing material of high temperature resistant and low temperature - Google Patents

A kind of transformer casing material of high temperature resistant and low temperature Download PDF

Info

Publication number
CN109014332A
CN109014332A CN201810887020.3A CN201810887020A CN109014332A CN 109014332 A CN109014332 A CN 109014332A CN 201810887020 A CN201810887020 A CN 201810887020A CN 109014332 A CN109014332 A CN 109014332A
Authority
CN
China
Prior art keywords
chamber
pedestal
connecting rod
motor
steering shaft
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.)
Withdrawn
Application number
CN201810887020.3A
Other languages
Chinese (zh)
Inventor
郭木彩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Yue Fan Environmental Protection Technology Co Ltd
Original Assignee
Guangzhou Yue Fan Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Yue Fan Environmental Protection Technology Co Ltd filed Critical Guangzhou Yue Fan Environmental Protection Technology Co Ltd
Priority to CN201810887020.3A priority Critical patent/CN109014332A/en
Publication of CN109014332A publication Critical patent/CN109014332A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B45/00Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/02Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10Arrangements for cooling or lubricating tools or work
    • B23Q11/1069Filtration systems specially adapted for cutting liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0035Extensible supports, e.g. telescopic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties

Abstract

The invention discloses the transformer casing materials of a kind of high temperature resistant and low temperature, including vehicle frame of walking about, the first cylinder is installed on the vehicle frame of walking about, first cylinder upper end power is fitted with First piston bar, the First piston bar top is provided with pedestal, the Chuck top is installed with dust retaining ring, it is equipped in the pedestal of the dust retaining ring bottom end into dirt chamber, it is described to be equipped with the discharge chamber through the pedestal right end face into inner wall connection on the right side of dirt chamber, connecting rod is installed between end wall above and below the discharge chamber, it is described to be installed with the first motor into opposite with the connecting rod in dirt chamber inner left wall, the first motor right-hand end power is fitted with the first steering shaft, first steering shaft outer surface is installed with screw feeding slurry, the first steering shaft right end, which is rotatably assorted, to be mounted on the connecting rod, on the right side of the connecting rod The discharge chamber in be equipped with covering device.

Description

A kind of transformer casing material of high temperature resistant and low temperature
Technical field
The present invention relates to transformer casing processing technique field, the transformer casing material of specially a kind of high temperature resistant and low temperature Material.
Background technique
Currently, the mutual inductor of high temperature resistant and low temperature, when preparing transformer casing, needs to bore it using extensively Hole work, currently, the equipment to drill to it using when be easy to produce larger dust, usually drilling when, need spray water from And reduce dust generation, still, spray water is easy waste water source for a long time, and can collect dust therefore, it is necessary to one kind and recycle makes With the equipment prepared to transformer casing at water source.
Summary of the invention
The purpose of the present invention is to provide the transformer casing materials of a kind of high temperature resistant and low temperature, for overcoming the prior art In drawbacks described above.
The transformer casing material of a kind of high temperature resistant according to the present invention and low temperature, including vehicle frame of walking about, it is described walk motor-car The first cylinder is installed on frame, first cylinder upper end power is fitted with First piston bar, the First piston bar top End is provided with pedestal, and the Chuck top is installed with dust retaining ring, is equipped in the pedestal of the dust retaining ring bottom end into dirt chamber, institute It states into inner wall connection on the right side of dirt chamber and is equipped with the discharge chamber through the pedestal right end face, it is solid between end wall above and below the discharge chamber Equipped with connecting rod, described to be installed with the first motor into opposite with the connecting rod in dirt chamber inner left wall, first motor is right Side power is fitted with the first steering shaft, and first steering shaft outer surface is installed with screw feeding and starches, and described first turn It is rotatably assorted and is mounted on the connecting rod to axis right end, covering device is equipped in the discharge chamber on the right side of the connecting rod, The described of screw feeding slurry downside is installed with water strainer into dirt is intracavitary, and described be installed with into dirt bottom of chamber wall stretches out the pedestal The Return water hoses of right end face are equipped with first in the pedestal top end surface on the left of dirt chamber and slide chamber, and described first slides Intracavitary be slidably installed has skid, and the second motor, second motor are installed in the skid top end surface Top power is fitted with the second steering shaft, and second steering shaft passes through the dust retaining ring and the setting that is rotatably assorted therewith, The second steering shaft top end is installed with shaft coupling, is removably equipped with drill bit on the upside of the shaft coupling, and described first It slides and is equipped with receiving chamber in intracavitary bottom wall, receiving bottom of chamber wall is installed with the second cylinder, and second cylinder top power is matched Conjunction is equipped with second piston bar, and second day piston rod part end is fixedly connected with the skid bottom end face, described Insertion chamber is equipped in base bottom end face, the insertion chamber roof connection is equipped with retraction slot, and be slidably matched peace in the retraction slot Equipped with constriction plate, the constriction plate bottom end face is fixedly connected with the First piston bar top end, top in the retraction slot Bilateral symmetry is equipped with recessed embedding chamber in wall, and press is fitted with slow between the recessed embedding chamber roof and the constriction plate top end surface Rush spring.
Further technical solution, the dust retaining ring top be installed with the first sealing ring, and described second steers outer shaft The second sealing ring is installed in the dust retaining ring.
Further technical solution, the covering device include the discharge chamber inner roof wall being arranged on the right side of the connecting rod Interior second slides chamber, and described second, which slides intracavitary be slidably installed, covering plate, and the covering plate and the discharge chamber are close Envelope cooperation, the covering plate top end surface screw-internal thread fit are equipped with spiral shell shape bar, the spiral shell shape bar top end power cooperation peace Equipped with third motor, the third motor is fixedly arranged on described second and slides in intracavitary roof.
Further technical solution is provided with water tank on the vehicle frame of walking about, is equipped with water storage in the tank top end face Chamber, storage chamber right side bottom end are equipped with water hose, booster pump are equipped on the water hose, the water hose is stretched Enter in the dust retaining ring and end is fixedly installed with spray head, Return water hoses protrude into the storage chamber, on the storage chamber left side Water inlet pipe is installed at end, gate valve is installed on the water inlet pipe, the gate valve left distal end is fixedly installed with connector.
Further technical solution, the water strainer bottom end are installed with vibrator.
Further technical solution, is installed with first support on the outside of first cylinder, fixed on the outside of second cylinder There is second support.
The beneficial effects of the present invention are: the vehicle frame that will walk about, which is moved to, to be needed to drill when needing to prepare transformer casing Position, the first cylinder of starting rises until the first sealing ring is abutted with transformer casing, and being then turned on booster pump will be in storage chamber Water sprayed from spray head, meanwhile, starting the second motor drive drill bit rotation, then, starting the second cylinder drive skid Upper cunning is punched generated dust and is automatically fallen into on the upside of the intracavitary water strainer of dirt, and the water that spray head sprays until punching finishes Also it flows into intracavitary into dirt and is back in storage chamber after drainage net filtration from Return water hoses, drill and make to transformer casing Standby work is simple and convenient, convenient can be collected to the dust generated when drilling, prevent dust from falling, make to spray by Return water hoses The water reflux that head sprays, effectively prevent waste water source.
When being filled with into the intracavitary dust of dirt, starting third motor drives and slides and fully slide out discharge chamber on covering plate, Discharge chamber is in the open state at this time, then starts the first motor and screw feeding slurry is driven automatically to release dust into dirt chamber, Dust is released easy to operate, using simple, is worth of widely use.
Detailed description of the invention
Fig. 1 is the transformer casing material internal overall structure diagram of a kind of high temperature resistant and low temperature of the invention;
Fig. 2 is the partial enlargement structural representation in Fig. 1.
Specific embodiment
Below with reference to Fig. 1-2, the present invention is described in detail.
Referring to Fig.1-2, the transformer casing material of a kind of high temperature resistant and low temperature of embodiment according to the present invention, including walk Motor-car frame 100 is installed with the first cylinder 109 on the vehicle frame 100 of walking about, and the 109 upper end power of the first cylinder is coupled There is First piston bar 108,108 top of First piston bar is provided with pedestal 114, and 114 top of pedestal is installed with dust-break Ring 124, the pedestal 114 of 124 bottom end of dust retaining ring is interior to be equipped with into dirt chamber 115, described to be connected into 115 right side inner wall of dirt chamber Equipped with the discharge chamber 117 for running through 114 right end face of pedestal, connecting rod is installed between about 117 end wall of discharge chamber 116, described to be installed with the first motor 142 into opposite with the connecting rod 116 in 115 inner left wall of dirt chamber, described first is electronic 142 right-hand end power of machine is fitted with the first steering shaft 144, and 144 outer surface of the first steering shaft is installed with screw feeding Slurry 143,144 right end of the first steering shaft, which is rotatably assorted, to be mounted on the connecting rod 116,116 right side of connecting rod Be equipped with covering device in the discharge chamber 117,143 downside of screw feeding slurry it is described into being installed with drainage in dirt chamber 115 Net 146, it is described to be installed with the Return water hoses 103 for stretching out 114 right end face of pedestal into 115 bottom wall of dirt chamber, it is described into dirt chamber First is equipped in 114 top end surface of pedestal in 115 left sides and slides chamber 132, and described first slides to be slidably installed in chamber 132 and have Skid 134, the second motor 133 is installed in 134 top end surface of skid, and 133 top of the second motor is dynamic Force-fitting is equipped with the second steering shaft 131, and second steering shaft 131 passes through the dust retaining ring 124 and is rotatably assorted therewith and sets It sets, 131 top end of the second steering shaft is installed with shaft coupling 127, and 127 upside of shaft coupling is removably equipped with brill First 126, described first slides equipped with receiving chamber 136 in 132 inner bottom wall of chamber, and 136 bottom wall of receiving chamber is installed with the second cylinder 138, the 138 top power of the second cylinder is fitted with second piston bar 135, the 135 top end of second day piston rod End is fixedly connected with 134 bottom end face of skid, and insertion chamber 111, the insertion are equipped in 114 bottom end face of pedestal The connection of 111 roof of chamber is equipped with retraction slot 113, and being slidably installed in the retraction slot 113 has constriction plate 112, the constriction plate 112 bottom end faces are fixedly connected with 108 top end of First piston bar, bilateral symmetry in 113 inner roof wall of retraction slot Equipped with recessed embedding chamber 139, press is fitted with buffering between 112 top end surface of recessed embedding 139 roof of chamber and the constriction plate Spring 141.
Valuably or illustratively, 124 top of dust retaining ring is installed with the first sealing ring 125, second steering shaft The second sealing ring 128 is installed in the dust retaining ring 124 of 131 peripheries, thus leakproofness when increasing use.
Valuably or illustratively, the covering device includes the discharge chamber 117 that 116 right side of connecting rod is arranged in Second in inner roof wall slides chamber 122, and described second slides to be slidably installed in chamber 122 and have covering plate 118, the covering plate 118 cooperate with the discharge chamber 117 sealing, and the 118 top end surface screw-internal thread fit of covering plate is equipped with spiral shell shape bar 121, institute It states 121 top end power of spiral shell shape bar and is fitted with third motor 123, the third motor 123 is fixedly arranged on described Two slide in 122 inner roof wall of chamber, open and close the discharge chamber 117 consequently facilitating automatically controlling.
Valuably or illustratively, water tank 150 is provided on the vehicle frame 100 of walking about, in 150 top end surface of water tank Equipped with storage chamber 104, the 104 right side bottom end of storage chamber is equipped with water hose 101, is equipped on the water hose 101 Booster pump 102, the water hose 101 protrudes into the dust retaining ring 124 and end is fixedly installed with spray head 129, Return water hoses 103 protrude into the storage chamber 104, are equipped with water inlet pipe 105 at the 104 left side upper end of storage chamber, on the water inlet pipe 105 Gate valve 106 is installed, 106 left distal end of gate valve is fixedly installed with connector 107, consequently facilitating recycling water source.
Valuably or illustratively, 146 bottom end of water strainer is installed with vibrator 145, to increase drainage rate.
Valuably or illustratively, first support 110, second cylinder 138 are installed on the outside of first cylinder 109 Outside is installed with second support 137, to increase the stability of first cylinder 109 and the second cylinder 138.
When needing to prepare transformer casing, the vehicle frame 100 that will walk about, which is moved to, needs bore position, starts the first cylinder 109 rise until the first sealing ring 125 abutted with transformer casing, be then turned on booster pump 102 by the water in storage chamber 104 from It is sprayed in spray head 129, meanwhile, the second motor 133 of starting drives drill bit 126 to rotate, and then, the second cylinder 138 of starting drives It is sliding on skid 134, until punching finishes, punches generated dust and automatically fall into on the water strainer 146 in dirt chamber 115 Side, and the water that sprays of spray head 129 also flows into dirt chamber 115 and after drainage net filtration and is back to storage from Return water hoses 103 In water cavity 104.
When being filled with into the dust in dirt chamber 115, starting third motor 123, which drives, to be slided on covering plate 118 and slides completely Discharge chamber 117 out, discharge chamber 117 is in the open state at this time, then starts the first motor 142 and drives screw feeding slurry 143 Automatically dust is released into dirt chamber 115.
The beneficial effects of the present invention are: the vehicle frame that will walk about, which is moved to, to be needed to drill when needing to prepare transformer casing Position, the first cylinder of starting rises until the first sealing ring is abutted with transformer casing, and being then turned on booster pump will be in storage chamber Water sprayed from spray head, meanwhile, starting the second motor drive drill bit rotation, then, starting the second cylinder drive skid Upper cunning is punched generated dust and is automatically fallen into on the upside of the intracavitary water strainer of dirt, and the water that spray head sprays until punching finishes Also it flows into intracavitary into dirt and is back in storage chamber after drainage net filtration from Return water hoses, drill and make to transformer casing Standby work is simple and convenient, convenient can be collected to the dust generated when drilling, prevent dust from falling, make to spray by Return water hoses The water reflux that head sprays, effectively prevent waste water source.
When being filled with into the intracavitary dust of dirt, starting third motor drives and slides and fully slide out discharge chamber on covering plate, Discharge chamber is in the open state at this time, then starts the first motor and screw feeding slurry is driven automatically to release dust into dirt chamber, Dust is released easy to operate, using simple, is worth of widely use.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention It is subject to claims appended hereto.

Claims (6)

1. the transformer casing material of a kind of high temperature resistant and low temperature, including vehicle frame of walking about, it is characterised in that: described to walk about on vehicle frame It is installed with the first cylinder, first cylinder upper end power is fitted with First piston bar, and the First piston bar top is set Be equipped with pedestal, the Chuck top is installed with dust retaining ring, is equipped in the pedestal of the dust retaining ring bottom end into dirt chamber, it is described into Inner wall connection is equipped with the discharge chamber through the pedestal right end face on the right side of dirt chamber, is installed between end wall above and below the discharge chamber Connecting rod, it is described to be installed with the first motor, the first motor right-hand end into opposite with the connecting rod in dirt chamber inner left wall Power is fitted with the first steering shaft, and first steering shaft outer surface is installed with screw feeding slurry, first steering shaft Right end, which is rotatably assorted, to be mounted on the connecting rod, and covering device is equipped in the discharge chamber on the right side of the connecting rod, described The described of screw feeding slurry downside is installed with water strainer into dirt is intracavitary, and described be installed with into dirt bottom of chamber wall is stretched out on the right side of the pedestal The Return water hoses of end face are equipped with first in the pedestal top end surface on the left of dirt chamber and slide chamber, described first slide it is intracavitary Being slidably installed has skid, and the second motor, second motor top are installed in the skid top end surface Power is fitted with the second steering shaft, and second steering shaft passes through the dust retaining ring and the setting that is rotatably assorted therewith, described Second steering shaft top end is installed with shaft coupling, is removably equipped with drill bit on the upside of the shaft coupling, described first slides Receiving chamber is equipped in intracavitary bottom wall, receiving bottom of chamber wall is installed with the second cylinder, second cylinder top power cooperation peace Equipped with second piston bar, second day piston rod part end is fixedly connected with the skid bottom end face, the pedestal Insertion chamber is equipped in bottom end face, the insertion chamber roof connection is equipped with retraction slot, and being slidably installed in the retraction slot has Constriction plate, the constriction plate bottom end face are fixedly connected with the First piston bar top end, in the retraction slot inner roof wall Bilateral symmetry is equipped with recessed embedding chamber, and press is fitted with buffering elastic between the recessed embedding chamber roof and the constriction plate top end surface Spring.
2. the transformer casing material of a kind of high temperature resistant according to claim 1 and low temperature, it is characterised in that: the dust-break Ring top is installed with the first sealing ring, is installed with the second sealing ring in the described second dust retaining ring steered outer shaft.
3. the transformer casing material of a kind of high temperature resistant according to claim 1 and low temperature, it is characterised in that: the covering Device includes second sliding chamber in the discharge chamber inner roof wall being arranged on the right side of the connecting rod, and described second slides intracavitary cunning Dynamic to be fitted with covering plate, the covering plate and discharge chamber sealing cooperate, and the covering plate top end surface internal screw thread is matched Conjunction is equipped with spiral shell shape bar, and the spiral shell shape bar top end power is fitted with third motor, and the third motor is fixed It is slided in intracavitary roof in described second.
4. the transformer casing material of a kind of high temperature resistant according to claim 1 and low temperature, it is characterised in that: described to walk about It is provided with water tank on vehicle frame, storage chamber is equipped in the tank top end face, it is soft to be equipped with water spray for bottom end on the right side of the storage chamber It manages, booster pump is installed, the water hose protrudes into the dust retaining ring and end is fixedly installed with spray on the water hose Head, Return water hoses protrude into the storage chamber, are equipped with water inlet pipe at upper end on the left of the storage chamber, install on the water inlet pipe There is gate valve, the gate valve left distal end is fixedly installed with connector.
5. the transformer casing material of a kind of high temperature resistant according to claim 1 and low temperature, it is characterised in that: the drainage Net bottom end is installed with vibrator.
6. the transformer casing material of a kind of high temperature resistant according to claim 1 and low temperature, it is characterised in that: described first It is installed with first support on the outside of cylinder, is installed with second support on the outside of second cylinder.
CN201810887020.3A 2018-08-06 2018-08-06 A kind of transformer casing material of high temperature resistant and low temperature Withdrawn CN109014332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810887020.3A CN109014332A (en) 2018-08-06 2018-08-06 A kind of transformer casing material of high temperature resistant and low temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810887020.3A CN109014332A (en) 2018-08-06 2018-08-06 A kind of transformer casing material of high temperature resistant and low temperature

Publications (1)

Publication Number Publication Date
CN109014332A true CN109014332A (en) 2018-12-18

Family

ID=64649084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810887020.3A Withdrawn CN109014332A (en) 2018-08-06 2018-08-06 A kind of transformer casing material of high temperature resistant and low temperature

Country Status (1)

Country Link
CN (1) CN109014332A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369763A (en) * 2019-07-18 2019-10-25 广州城建职业学院 A kind of assembled drilling machine support for building
CN112331451A (en) * 2020-09-21 2021-02-05 国网山东省电力公司烟台供电公司 10KV low-voltage transformer installation device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110369763A (en) * 2019-07-18 2019-10-25 广州城建职业学院 A kind of assembled drilling machine support for building
CN112331451A (en) * 2020-09-21 2021-02-05 国网山东省电力公司烟台供电公司 10KV low-voltage transformer installation device
CN112331451B (en) * 2020-09-21 2022-10-21 国网山东省电力公司烟台供电公司 10KV low-voltage transformer installation device

Similar Documents

Publication Publication Date Title
CN109014332A (en) A kind of transformer casing material of high temperature resistant and low temperature
CN206982904U (en) A kind of carpenter's drilling dust-proof
CN108971572A (en) A kind of transformer casing material of improved high temperature resistant and low temperature
CN109176708A (en) A kind of electromagnetic induction housing equipment
CN109079569A (en) A kind of transformer casing material of novel fire resistant and low temperature
CN208082981U (en) A kind of valve production cleaning device
CN108296973A (en) A kind of medical equipment production equipment
CN109014306A (en) A kind of workpiece mould equipment
CN109109082A (en) A kind of pvc material equipment
CN109129690A (en) A kind of low temperature resistant flame retardant PVC material and its preparation method and application
CN109014307A (en) A kind of electronics industry substrate apparatus
CN109203059A (en) A kind of low temperature resistant flame retardant PVC material and its preparation method and application
CN109079905A (en) A kind of building material apparatus
CN204841039U (en) Separator is retrieved to oil slick
CN109014338A (en) A kind of improved heat-resisting fire-resistant copper-clad plate manufacture craft
CN109014331A (en) A kind of heat resistance fire-resistant copper-clad plate manufacture craft
CN109015875A (en) A kind of improved low temperature resistant flame retardant PVC material and its preparation method and application
CN108971560A (en) A kind of novel porous mold for injection forming
CN108951605A (en) A kind of anti-plastic-steel sheet pile that fractures of novel high-strength
CN109083127A (en) A kind of anti-plastic-steel sheet pile that fractures of the high intensity of improvement
CN206598087U (en) A kind of Full-automatic drilling lock pays all-in-one
CN109014330A (en) A kind of heat-resisting fire-resistant copper-clad plate manufacture craft
CN215039050U (en) Wall bolt mounting equipment
CN109128249A (en) A kind of porous mold for injection forming
CN109026583A (en) A kind of environmental protective, water saving high-pressure hydraulic injector

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20181218

WW01 Invention patent application withdrawn after publication