CN114233929A - A gallows convenient to square pipe locking - Google Patents
A gallows convenient to square pipe locking Download PDFInfo
- Publication number
- CN114233929A CN114233929A CN202111566343.0A CN202111566343A CN114233929A CN 114233929 A CN114233929 A CN 114233929A CN 202111566343 A CN202111566343 A CN 202111566343A CN 114233929 A CN114233929 A CN 114233929A
- Authority
- CN
- China
- Prior art keywords
- locking
- push rod
- square pipe
- supporting
- disc
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/006—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for pipes with a rectangular cross-section
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
Abstract
The invention discloses a supporting and hanging frame convenient for square tube locking, which comprises a base and a placing groove arranged at the top of the base, wherein the placing groove is connected with a pressing block in a sliding manner, the pressing block is connected with a driving mechanism used for driving the pressing block to move along the bottom of the placing groove, the driving mechanism comprises a push rod and a rotating disc, one end of the push rod is connected to the pressing block, the rotating disc is used for driving the push rod to reciprocate along the bottom of the base, and the rotating disc is connected with a locking mechanism used for locking and positioning the rotating disc. According to the square tube positioning device, the driving mechanism and the locking mechanism are arranged, the rotating disc is rotated to drive the gear disc to rotate, the gear disc is meshed and connected with the gear head to drive the screw rod to rotate, the screw rod drives the push rod to reciprocate along the bottom of the base, so that the square tube is pressed on the placing groove by the pressing block, the square tube positioning device can be suitable for square tubes with different widths, the sliding block is locked and limited by the locking head on the sliding block, the rotating disc is positioned, the stability of the square tube is guaranteed, and the square tube positioning device is flexible and convenient to operate.
Description
Technical Field
The invention relates to the technical field of supports and hangers, in particular to a support and hanger convenient for locking a square tube.
Background
The support and hanger frame is mainly used for steam-water pipelines or boiler equipment of a power plant, and thermal displacement and equipment devices thereof generated in the process of operation. And calculating the working and thermal displacement requirements of the determined spring support and hanger according to the stress condition of the pipeline. Setting the spring support and hanger according to the design load: namely, the spring is pre-pressed and is positioned at a cold load position; the theoretical working position of cold state on the same time scale. The supporting and hanging frame can be mainly divided into four categories: a spring support hanger, a pipe support hanger, a root support hanger and an accessory support hanger.
When compressing tightly square pipe, the current gallows of propping up often adopts the form that the bolt promoted the clamp plate to compress tightly fixedly square pipe, and the interior air current of square pipe can lead to the vibrations of square pipe, and then can cause not hard up of bolt, influences the stability of square pipe.
Disclosure of Invention
The invention aims to provide a supporting and hanging bracket convenient for locking a square tube, which has the advantages of ensuring the stability of the square tube and being flexible and convenient to operate, and solves the problems that the square tube is pressed and fixed by adopting a mode of pushing a pressing plate by a bolt, the vibration of the square tube is caused by the airflow in the square tube, the bolt is loosened, and the stability of the square tube is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gallows convenient to side's pipe locking, includes the base and sets up in the standing groove at base top, standing groove sliding connection has the briquetting, the briquetting is connected with and is used for driving the actuating mechanism that the briquetting removed along the standing groove bottom, actuating mechanism includes push rod, rolling disc, the one end of push rod is connected in the briquetting, the rolling disc is used for driving the push rod along base bottom reciprocating motion, and the rolling disc is connected with the locking mechanical system who is used for rolling disc locking location.
Preferably, actuating mechanism still includes a fixed section of thick bamboo, screw rod, gear head, toothed disc, the other end sliding connection of push rod is in a fixed section of thick bamboo, the one end swivelling joint of screw rod is in a fixed section of thick bamboo, other end threaded connection in push rod, the gear head is fixed in the screw rod, the toothed disc links to each other with the gear head meshing, and links to each other through the axis of rotation between toothed disc and the rolling disc.
Preferably, the locking mechanism comprises a sliding block, a supporting plate, a connecting rod and a connector, the sliding block is connected to a sliding groove formed in the fixed cylinder in a sliding mode, two ends of the supporting plate are connected with the sliding block and the connecting rod respectively, one end of the connecting rod is connected to the connector, and the connector is fixedly connected to the rotating disc.
Preferably, the slide block is connected with a locking head for locking and positioning the slide block.
Preferably, the bottom of the pressing block is connected with a supporting plate, and the supporting plate is connected to one end of the push rod.
Preferably, a square hole is formed in the base, the supporting plate penetrates through the square hole, and the supporting plate is connected with the square hole in a sliding mode.
Preferably, one side of the pressing block is provided with an anti-slip surface for preventing the pressing block from slipping when contacting with the square pipe.
Preferably, base top both sides are connected with fixed riser, inclined pull plate respectively, inclined pull plate's one end is connected in fixed riser.
Preferably, both ends of the connecting rod are respectively and rotatably connected with the supporting plate and the connecting head.
Preferably, the push rod is connected with a guide block for guiding the push rod.
Compared with the prior art, the invention has the following beneficial effects: the square tube pressing device is provided with the driving mechanism and the locking mechanism, the driving mechanism comprises a fixed cylinder, a screw rod, a gear head, a gear disc, a push rod and a rotating disc, the locking mechanism comprises a sliding block, a supporting plate, a connecting rod, a connecting head and a rotating disc, the rotating disc drives the gear disc to rotate, the gear disc is meshed with the gear head to drive the screw rod to rotate, the screw rod drives the push rod to reciprocate along the bottom of the base, the pressing block is further enabled to press the square tube on the placing groove, the square tube pressing device can be applicable to pressing of square tubes with different widths, after the square tube is in an appropriate position, the sliding block is locked and limited by the locking head on the sliding block, the rotating disc is positioned, the stability of the square tube is guaranteed, the operation is flexible and convenient, and the practicability is strong.
Be connected with the backup pad through the briquetting bottom, and the backup pad with set up to slide in the square hole of base and link to each other, the push rod is connected with the guide block that is used for the push rod direction simultaneously, and then makes the briquetting remove firmly, prevents the crooked skew sign that appears, avoids the most advanced other side pipe of briquetting to cause the pressure loss, uses safe and reliable.
Drawings
FIG. 1 is a schematic view of the driving mechanism of the present invention;
FIG. 2 is a schematic view of a base structure of the present invention;
FIG. 3 is a schematic view of the locking mechanism of the present invention;
fig. 4 is a schematic structural diagram of the placement groove of the present invention.
In the figure: 1. a base; 2. a drive mechanism; 3. a locking mechanism; 4. a placement groove; 5. briquetting; 6. a support plate; 7. a push rod; 8. a fixed cylinder; 9. rotating the disc; 10. a bolt; 11. fixing a vertical plate; 12. obliquely pulling the plate; 13. a locking head; 14. a slider; 15. a connecting rod; 16. a connector; 17. a gear plate; 18. a rotating shaft; 19. a screw; 20. a gear head; 21. a chute; 22. a support plate; 23. an anti-slip surface; 24. a square hole; 25. and a guide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a support hanger for conveniently locking a square tube, including a base 1 and a placement groove 4 disposed on the top of the base 1, wherein the cross section of the placement groove 4 is generally rectangular, and the bottom surface of the placement groove 4 is smooth, so as to facilitate movement of the square tube and position adjustment. 4 sliding connection of standing groove has briquetting 5, the bottom face of briquetting 5 is fitted in standing groove 4, briquetting 5 is connected with and is used for driving briquetting 5 along the actuating mechanism 2 of 4 bottom removals of standing groove, actuating mechanism 2 includes push rod 7, rolling disc 9, the one end of push rod 7 is connected in briquetting 5, push rod 7 is located under base 1 to be on a parallel with base 1, rolling disc 9 is used for driving push rod 7 along 1 bottom reciprocating motion of base, and rolling disc 9 is connected with and is used for locking mechanism 3 of rolling disc 9 locking location.
Actuating mechanism 2 still includes a fixed cylinder 8, screw rod 19, gear head 20, toothed disc 17, the other end sliding connection of push rod 7 is in fixed cylinder 8, the one end swivelling joint of screw rod 19 is in fixed cylinder 8, other end threaded connection is in push rod 7, gear head 20 is fixed in screw rod 19, toothed disc 17 links to each other with the meshing of gear head 20, and link to each other through axis of rotation 18 between toothed disc 17 and the rolling disc 9, axis of rotation 18 passes through the bearing and connects in fixed cylinder 8, and the bearing includes the inner circle, outer lane and a plurality of rolling element, axis of rotation 18 is fixed in the inner circle, guarantee the rotatory stability of axis of rotation 18. The rotary rotating disc 9 drives the gear disc 17 to rotate, the gear disc 17 is meshed with the gear head 20 to be connected, the screw rod 19 is driven to rotate, the screw rod 19 drives the push rod 7 to reciprocate along the bottom of the base 1, and then the pressing block 5 presses the square pipe on the placing groove 4, and the square pipe pressing device can be suitable for pressing square pipes with different widths.
The locking mechanism 3 comprises a sliding block 14, a supporting plate 22, a connecting rod 15 and a connecting head 16, the sliding block 14 is connected to a sliding groove 21 arranged on the fixed cylinder 8 in a sliding mode, two ends of the supporting plate 22 are connected with the sliding block 14 and the connecting rod 15 respectively, one end of the connecting rod 15 is connected to the connecting head 16, and the connecting head 16 is fixedly connected to the rotating disc 9. When the rotating disc 9 rotates, the connecting rod 15 is pulled or pushed by the connecting head 16, so that the sliding block 14 can slide in the sliding groove 21, and the connecting head 16 makes circular motion along the axis of the rotating disc 9.
The slider 14 is connected with the locking head 13 that is used for slider 14 locking location, utilizes locking head 13 on the slider 14 to lock slider 14 spacing, realizes fixing a position rolling disc 9, has guaranteed the stability of square pipe, and the flexible operation is convenient.
The bottom of the pressing block 5 is connected with a supporting plate 6, and the supporting plate 6 is connected to one end of a push rod 7.
Be provided with square hole 24 in the base 1, backup pad 6 runs through square hole 24, and backup pad 6 and square hole 24 slide linkage.
Briquetting 5 one side is provided with the non slipping face 23 that prevents to skid with square pipe contact, and the sign of skidding appears when the non slipping face 23 can avoid briquetting 5 to compress tightly square pipe, further improves the stability of square pipe, makes square pipe and base 1 be connected firmly.
The two ends of the connecting rod 15 are respectively connected with the supporting plate 22 and the connecting head 16 in a rotating way.
The push rod 7 is connected with a guide block 25 used for guiding the push rod 7, the guide block 25 can enable the push rod 7 to reciprocate stably, the pressing block 5 is further enabled to move stably, the skew and deviation signs are prevented from occurring, and pressure loss of the opposite side pipe at the tip end of the pressing block 5 is avoided.
The working principle is as follows: connect bolt 10 on appointed wall body, realize the installation to a gallows, after the installation finishes, 1 top of base is provided with standing groove 4, can place square pipe on standing groove 4, rotatory rolling disc 9, link to each other through axis of rotation 18 between rolling disc 17 and the rolling disc 9, rolling disc 17 links to each other with the gear head 20 meshing of installing in screw rod 19, simultaneously screw rod 19's one end swivelling joint in solid fixed cylinder 8, other end threaded connection is in push rod 7, 5 bottoms of briquetting are connected with backup pad 6, backup pad 6 is connected in the one end of push rod 7, and then can drive briquetting 5 and remove in standing groove 4, make briquetting 5 compress tightly square pipe in base 1, and can be applicable to the square pipe of different width and compress tightly, and easy operation is nimble. After square pipe is in suitable position, because rolling disc 9 is connected with the locking mechanical system 3 that is used for rolling disc 9 locking location, locking mechanical system 3 includes slider 14, layer board 22, connecting rod 15, connector 16, slider 14 is connected with the locking head 13 that is used for slider 14 locking location, operation locking head 13 realizes the location to slider 14, and then realizes locking rolling disc 9, prevents that not hard up sign from appearing in briquetting 5, has further guaranteed the stability of square pipe, uses safe and reliable. In the reciprocating motion process of the push rod 7, the push rod 7 is connected with the guide block 25 used for guiding the push rod 7, and meanwhile, the support plate 6 is connected with the square hole 24 arranged in the base 1 in a sliding mode, so that the pressing block 5 is stable in moving, the skew and the phenomenon are prevented from occurring, the pressure loss of the opposite side pipe at the tip end of the pressing block 5 is avoided, and the potential safety hazard is avoided.
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 (10)
1. The utility model provides a gallows convenient to square pipe locking which characterized in that: including base (1) and set up in standing groove (4) at base (1) top, standing groove (4) sliding connection has briquetting (5), briquetting (5) are connected with and are used for driving actuating mechanism (2) that briquetting (5) removed along standing groove (4) bottom, actuating mechanism (2) include push rod (7), rolling disc (9), the one end of push rod (7) is connected in briquetting (5), rolling disc (9) are used for driving push rod (7) along base (1) bottom reciprocating motion, and rolling disc (9) are connected with locking mechanical system (3) that are used for rolling disc (9) locking location.
2. The supporting and hanging frame convenient for square pipe locking according to claim 1, wherein the driving mechanism (2) further comprises a fixed cylinder (8), a screw rod (19), a gear head (20) and a gear disc (17), the other end of the push rod (7) is slidably connected to the fixed cylinder (8), one end of the screw rod (19) is rotatably connected to the fixed cylinder (8), the other end of the screw rod is in threaded connection with the push rod (7), the gear head (20) is fixed to the screw rod (19), the gear disc (17) is meshed with the gear head (20), and the gear disc (17) is connected with the rotating disc (9) through a rotating shaft (18).
3. The supporting and hanging frame convenient for square pipe locking according to claim 2, wherein the locking mechanism (3) comprises a sliding block (14), a supporting plate (22), a connecting rod (15) and a connector (16), the sliding block (14) is slidably connected to a sliding groove (21) arranged on the fixed cylinder (8), two ends of the supporting plate (22) are respectively connected with the sliding block (14) and the connecting rod (15), one end of the connecting rod (15) is connected to the connector (16), and the connector (16) is fixedly connected to the rotating disc (9).
4. The support and hanger convenient for square pipe locking according to claim 3, wherein the slide block (14) is connected with a locking head (13) for locking and positioning the slide block (14).
5. The supporting and hanging frame convenient for locking the square pipe according to claim 1, wherein a supporting plate (6) is connected to the bottom of the pressing block (5), and the supporting plate (6) is connected to one end of the push rod (7).
6. The supporting and hanging frame convenient for locking the square pipe according to claim 5, wherein a square hole (24) is formed in the base (1), the supporting plate (6) penetrates through the square hole (24), and the supporting plate (6) is connected with the square hole (24) in a sliding manner.
7. The supporting and hanging frame convenient for the square pipe locking according to claim 5, wherein one side of the pressing block (5) is provided with an anti-slip surface (23) which prevents the sliding contact with the square pipe.
8. The supporting and hanging frame convenient for square pipe locking according to claim 1, wherein two sides of the top of the base (1) are respectively connected with a fixed vertical plate (11) and a diagonal pulling plate (12), and one end of the diagonal pulling plate (12) is connected with the fixed vertical plate (11).
9. The supporting and hanging frame convenient for locking the square pipe as claimed in claim 3, wherein both ends of the connecting rod (15) are rotatably connected with the supporting plate (22) and the connecting head (16) respectively.
10. The support and hanger convenient for square pipe locking according to claim 1, wherein the push rod (7) is connected with a guide block (25) for guiding the push rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111566343.0A CN114233929A (en) | 2021-12-20 | 2021-12-20 | A gallows convenient to square pipe locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111566343.0A CN114233929A (en) | 2021-12-20 | 2021-12-20 | A gallows convenient to square pipe locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114233929A true CN114233929A (en) | 2022-03-25 |
Family
ID=80759687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111566343.0A Pending CN114233929A (en) | 2021-12-20 | 2021-12-20 | A gallows convenient to square pipe locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114233929A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207757672U (en) * | 2018-01-04 | 2018-08-24 | 张镇 | Pathology investing tissue slicer |
| CN209062614U (en) * | 2018-12-11 | 2019-07-05 | 广州市文泰机械设备制造有限公司 | A kind of vertical machining centre clamp for machining |
| CN209637006U (en) * | 2019-01-29 | 2019-11-15 | 西安建筑科技大学 | Utilize the fluid linking damper transmission device and viscous damping system of ball-screw |
| CN210397948U (en) * | 2019-08-28 | 2020-04-24 | 姜科屹 | Electromechanical bidirectional earthquake-resistant support hanger for building |
| CN212178463U (en) * | 2020-04-08 | 2020-12-18 | 深圳市大树人工智能科技有限公司 | Thermometer convenient to install and forbidden |
| CN112145933A (en) * | 2020-08-05 | 2020-12-29 | 广东报网视文化传播有限公司 | Novel projection equipment is changed device |
| CN213592809U (en) * | 2020-11-11 | 2021-07-02 | 艾克森(武汉)工程技术有限公司 | Mould installation fastening device for automobile accessory production |
| CN213809810U (en) * | 2020-12-10 | 2021-07-27 | 甘肃赛瑞迪科技有限公司 | Camera support convenient to it is fixed |
| EP3865749A1 (en) * | 2020-02-16 | 2021-08-18 | Zurecon AG | Pipe clip |
| CN214368169U (en) * | 2020-12-10 | 2021-10-08 | 杜池峰 | Water conservancy construction fastening processing apparatus |
| CN214368233U (en) * | 2021-02-08 | 2021-10-08 | 刘向奎 | Heating pipe clamping device with adjustable tension force |
-
2021
- 2021-12-20 CN CN202111566343.0A patent/CN114233929A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207757672U (en) * | 2018-01-04 | 2018-08-24 | 张镇 | Pathology investing tissue slicer |
| CN209062614U (en) * | 2018-12-11 | 2019-07-05 | 广州市文泰机械设备制造有限公司 | A kind of vertical machining centre clamp for machining |
| CN209637006U (en) * | 2019-01-29 | 2019-11-15 | 西安建筑科技大学 | Utilize the fluid linking damper transmission device and viscous damping system of ball-screw |
| CN210397948U (en) * | 2019-08-28 | 2020-04-24 | 姜科屹 | Electromechanical bidirectional earthquake-resistant support hanger for building |
| EP3865749A1 (en) * | 2020-02-16 | 2021-08-18 | Zurecon AG | Pipe clip |
| CN212178463U (en) * | 2020-04-08 | 2020-12-18 | 深圳市大树人工智能科技有限公司 | Thermometer convenient to install and forbidden |
| CN112145933A (en) * | 2020-08-05 | 2020-12-29 | 广东报网视文化传播有限公司 | Novel projection equipment is changed device |
| CN213592809U (en) * | 2020-11-11 | 2021-07-02 | 艾克森(武汉)工程技术有限公司 | Mould installation fastening device for automobile accessory production |
| CN213809810U (en) * | 2020-12-10 | 2021-07-27 | 甘肃赛瑞迪科技有限公司 | Camera support convenient to it is fixed |
| CN214368169U (en) * | 2020-12-10 | 2021-10-08 | 杜池峰 | Water conservancy construction fastening processing apparatus |
| CN214368233U (en) * | 2021-02-08 | 2021-10-08 | 刘向奎 | Heating pipe clamping device with adjustable tension force |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113560759B (en) | Anticorrosive natural gas line lays welding auxiliary device | |
| CN215903013U (en) | Supporting platform for positioning pipeline | |
| CN107745255A (en) | A kind of drilling and tapping mould | |
| CN107336664A (en) | A kind of caravan extendable bracket | |
| CN114233929A (en) | A gallows convenient to square pipe locking | |
| CN106931368A (en) | A kind of LED Ceiling lights being easily installed | |
| CN213441227U (en) | Rubber coating device is used in rubber tube connection | |
| CN202038676U (en) | Hydraulic chain tensioning device of scraper conveyor and lifting mechanism thereof | |
| CN208489629U (en) | Automation tube type bus encircles device in advance | |
| CN212744028U (en) | Tunnel engineering waterproof material laying device | |
| CN205895172U (en) | Sucker rod lifting devices | |
| CN207320706U (en) | Manual cable bender | |
| CN219726152U (en) | Clamping device for pipeline installation | |
| CN220049763U (en) | Pipe expanding device for stainless steel pipe | |
| CN206477982U (en) | A kind of combination of air compressor machine and tube rolling device | |
| CN220452946U (en) | Petrochemical pipeline support | |
| CN221004718U (en) | Natural gas transportation equipment | |
| CN220329664U (en) | Steel plate bending device | |
| CN211778404U (en) | Make things convenient for combination formula inflation couple of dismouting | |
| CN215810845U (en) | Guide hanging basket for shield measurement | |
| CN219885036U (en) | Pipe material collecting device | |
| CN220581849U (en) | Portable pipe supporting device for placing comprehensive supporting and hanging frame pipeline | |
| CN211804652U (en) | Butt joint device convenient for compressing oil pipe of engine turbocharger | |
| CN219948236U (en) | High transfer mechanism of factor of safety | |
| CN220333936U (en) | Drilling pipe conveying equipment |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220325 |