CN111999321A - Turnover device - Google Patents

Turnover device Download PDF

Info

Publication number
CN111999321A
CN111999321A CN202010941211.0A CN202010941211A CN111999321A CN 111999321 A CN111999321 A CN 111999321A CN 202010941211 A CN202010941211 A CN 202010941211A CN 111999321 A CN111999321 A CN 111999321A
Authority
CN
China
Prior art keywords
support frame
workpiece
clamp
turnover
base
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
Application number
CN202010941211.0A
Other languages
Chinese (zh)
Inventor
张磊
陈研
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.)
Chongqing Zhence Science And Technology Co ltd
Original Assignee
Chongqing Zhence Science And 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 Chongqing Zhence Science And Technology Co ltd filed Critical Chongqing Zhence Science And Technology Co ltd
Priority to CN202010941211.0A priority Critical patent/CN111999321A/en
Publication of CN111999321A publication Critical patent/CN111999321A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/03Investigating materials by wave or particle radiation by transmission
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/10Different kinds of radiation or particles
    • G01N2223/101Different kinds of radiation or particles electromagnetic radiation
    • G01N2223/1016X-ray
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/30Accessories, mechanical or electrical features
    • G01N2223/309Accessories, mechanical or electrical features support of sample holder

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The utility model provides a turning device for the upset work piece relates to accurate work piece check out test set technical field, includes: a base fixed on the ground; one end of the overturning support frame is rotatably connected to the base; the hydraulic driving part is rotationally connected with the base and the overturning supporting frame; a bottom clamp is fixedly arranged at one end of the turnover support frame, which is rotatably connected with the base; the top clamp is connected to the other end of the turnover support frame in a sliding mode and matched with the bottom clamp to clamp the workpiece, and the top clamp and the bottom clamp are coaxial; with the work piece centre gripping between top anchor clamps and bottom anchor clamps, rotate through hydraulic drive portion drive upset support frame to make the upset support frame be in erectting or the state of lying on level, this turning device simple structure, convenient operation, the steady operation adopts the mode drive of hydraulic drive portion, compares in the complex mode of conventional slip screw-nut drive power bigger, can satisfy the requirement of erectting of the cylinder size or the cone type work piece that weight is greater than 1 ton, and easy operation is convenient.

Description

Turnover device
Technical Field
The invention relates to the technical field of precision workpiece detection equipment, in particular to a turnover device.
Background
In view of the special and absolute safety requirements of the detected object, the hoisting problem is always a technical problem which puzzles the industrial CT vertical detection of cylindrical and conical precision workpieces (which can be provided with conical and circular end sockets). At present, the industrial CT vertical detection of small and medium-sized cylindrical and conical precision workpieces mainly adopts a special clamp for clamping, and a double-crane trolley is matched with a workpiece hoisting mode for hoisting to erect and hoist the workpieces. The method needs to design special fixtures with complex structures and a variety of types, the erection and hoisting modes of the double-crane traveling crane matched hoisting need to train special operating technicians, and the whole process needs a plurality of operating personnel to be closely coordinated and matched, so that the method is time-consuming, labor-consuming and occupies a large amount of human resources.
In order to solve the problems, a workpiece side-turning vertical device adopting a common three-phase asynchronous motor to drive a sliding screw rod nut is used in industrial CT vertical detection of small and medium-sized cylindrical and conical precision workpieces. However, due to the adoption of a typical labor-consuming mechanism of a sliding screw rod nut, the rigidity requirement on the frame body of the turning device is strict, the requirements on erecting cylindrical and conical precision workpieces with the mass of less than 1 ton can only be met at present, and the application range is very limited.
Disclosure of Invention
According to the problems that the existing turnover device is complex in operation and small in application range, the invention adopts the following technical scheme:
a turnover device for turning over a workpiece, comprising:
a base fixed on the ground;
one end of the overturning support frame is rotatably connected to the base;
the hydraulic driving part is rotationally connected with the base and the overturning supporting frame;
a bottom clamp is fixedly arranged at one end of the turnover support frame, which is rotatably connected with the base; and
the top clamp is connected to the other end of the turnover support frame in a sliding mode and matched with the bottom clamp to clamp the workpiece, and the top clamp and the bottom clamp are coaxial;
the hydraulic driving part drives the overturning support frame to rotate and enable the overturning support frame to be in a vertical or horizontal state.
Compared with the prior art, the invention has the following beneficial effects: during the use, with the work piece centre gripping between top anchor clamps and bottom anchor clamps, rotate through hydraulic drive portion drive upset support frame, thereby make the upset support frame be in erectting or the state of lying, this turning device simple structure, convenient operation, operate steadily, adopt the mode drive of hydraulic drive portion, it is bigger to compare in the complex mode of conventional slip screw-nut drive power, can satisfy the requirement of erectting that weight is greater than 1 ton's cylinder size or cone type work piece, easy operation is convenient, and occupation space is little.
Preferably, the relative both sides fixed mounting of one end that bottom anchor clamps were kept away from to upset support frame has the slide rail, sliding connection has the slide on the slide rail, install on the slide with upset support frame complex locking screw, top anchor clamps fixed mounting be in on the slide.
Preferably, a groove is formed in the center of one side, close to the workpiece, of the bottom fixture, internal threads are formed in the groove, and the bottom of the workpiece is in threaded connection with the groove.
Preferably, a clamping groove clamped with the end socket at the top of the workpiece is formed in the center of one side, close to the workpiece, of the top clamp.
Preferably, the hydraulic driving part comprises a single-stage hydraulic cylinder, the connecting end of the single-stage hydraulic cylinder is connected with the base in a rotating mode, and the telescopic end of the single-stage hydraulic cylinder is connected with the overturning support frame in a rotating mode.
Preferably, a side-sway preventing bracket is arranged between the base and the overturning supporting frame in a foldable mode.
Preferably, a plurality of rollers are fixedly mounted on the side wall, close to the workpiece, of the turnover support frame along the length direction of the turnover support frame, two groups of rollers are symmetrically distributed on two sides of the workpiece, and each roller is abutted to the workpiece.
Preferably, the end part of one end of the overturning support frame, which is far away from the bottom fixture, is fixedly provided with a hand-operated hoist hanger.
Preferably, the bottom clamp and the top clamp are tightened and reinforced through a plurality of connecting assemblies, the connecting assemblies are uniformly distributed along the circumferential direction of the workpiece, and each connecting assembly comprises two steel wire rope tensioners fixedly installed on the top clamp and the bottom clamp respectively and a steel wire rope fixedly connected between the two steel wire rope tensioners.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a lying state according to an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 in an erected state.
The numbers in the figures are in order: 1. a base; 2. turning over the support frame; 21. a slide rail; 22. a slide plate; 23. locking the screw; 24. a roller; 25. a manual hoist hanger; 3. a top clamp; 4. a bottom fixture; 5. a single-stage hydraulic cylinder; 6. a sidesway prevention bracket; 7. a workpiece; 8. a steel wire rope tensioner; 9. a steel cord.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
as shown in fig. 1, an embodiment of the present invention provides an inverting apparatus for inverting a workpiece 7, including:
a base 1 fixed on the ground;
one end of the overturning support frame 2 is rotatably connected to the base 1;
the hydraulic driving part is rotationally connected with the base 1 and the overturning supporting frame 2;
a bottom clamp 4 is fixedly arranged at one end of the overturning support frame 2, which is rotatably connected with the base 1; and
the top clamp 3 is slidably connected to the other end of the turnover support frame 2 and is matched with the bottom clamp 4 to clamp a workpiece 7, and the top clamp 3 is coaxial with the bottom clamp 4;
with 7 centre gripping of work piece between top anchor clamps 3 and bottom anchor clamps 4, rotate through hydraulic drive portion drive upset support frame 2, thereby make upset support frame 2 be in erect or the state of lying on level, this turning device simple structure, and convenient operation, operate steadily, adopt the mode drive of hydraulic drive portion, it is bigger to compare in the complex mode of conventional slip screw-nut drive power, can satisfy the requirement of erectting that weight is greater than 1 ton's cylinder size or cone type work piece 7, and easy operation is convenient, and occupation space is little.
As shown in fig. 1, according to another embodiment of the present invention, the turning device further optimizes the turning support frame 2 included in the turning device, slide rails 21 are fixedly installed on two opposite sides of one end of the turning support frame 2 away from the bottom fixture 4, a slide plate 22 is slidably connected to the slide rails 21, a locking screw 23 matched with the turning support frame 2 is installed on the slide plate 22, and the top fixture 3 is fixedly installed on the slide plate 22; when the workpiece 7 is clamped between the top clamp 3 and the bottom clamp 4, the sliding plate 22 is slid according to the length of the workpiece 7, so that the top clamp 3 fixedly connected with the sliding plate 22 is driven to abut against the workpiece 7, and the workpiece 7 is firmly clamped by matching with the bottom clamp 4; and simultaneously, the locking screw 23 on the sliding plate 22 is screwed down, so that the locking screw 23 is abutted against the outer wall of the turnover support frame 2, the sliding plate 22 is prevented from sliding on the sliding rail 21 in the turnover process of the workpiece 7, and the workpiece 7 falls from the space between the top clamp 3 and the bottom clamp 4 to cause the damage of the workpiece 7.
As shown in fig. 2, according to another embodiment of the present invention, the turning device further optimizes the bottom fixture 4 and the top fixture 3, a groove is formed in the center of one side of the bottom fixture 4 close to the workpiece 7, an internal thread is arranged in the groove, and the bottom of the workpiece 7 is in threaded connection with the groove; the workpiece 7 is in threaded connection with the groove of the bottom clamp 4, so that the workpiece 7 is clamped more firmly.
A clamping groove clamped with a sealing head at the top of the workpiece 7 is formed in the center of one side, close to the workpiece 7, of the top clamp 3; through bottom anchor clamps 4 and 7 threaded connection of work piece and draw-in groove and the head joint at work piece 7 top for work piece 7 is at the in-process of upset, and bottom anchor clamps 4 and top anchor clamps 3 are more firm to the centre gripping of work piece 7.
According to another embodiment of the invention, as shown in fig. 1, the turning device further comprises a hydraulic driving part, wherein the hydraulic driving part comprises a single-stage hydraulic cylinder 5, the connecting end of the single-stage hydraulic cylinder 5 is rotatably connected with the base 1, and the telescopic end of the single-stage hydraulic cylinder 5 is rotatably connected with the turning support frame 2; the single-stage hydraulic cylinder 5 has the functions of power failure self-locking, manual resetting, bidirectional thrust and balance weight, and the single-stage hydraulic cylinder 5 has large driving force, can meet the vertical requirement of a cylindrical or conical workpiece 7 with the weight of more than 1 ton, and is safe and reliable; because the single-stage hydraulic cylinder 5 required by the invention has larger stroke when working, a ground groove with a certain depth needs to be reserved at the corresponding position of the foundation during installation, and the single-stage hydraulic cylinder 5 is ensured not to collide with the ground during the rotation process.
According to another embodiment of the present invention, as shown in fig. 1, the turning device, preferably, a side-sway preventing bracket 6 is foldably installed between the base 1 and the turning support frame 2; the anti-lateral swing support 6 comprises two supports which are respectively connected with the base 1 and the turnover support frame 2 in a rotating way, the two supports are mutually connected in a rotating way, when the turnover support frame 2 drives the workpiece 7 to be erected, the two supports are unfolded, and the workpiece 7 is prevented from lateral swing by the rigidity of the two supports; when the turnover support frame 2 drives the workpiece 7 to horizontally reset, the two supports are folded together, so that the two supports do not occupy too much space.
As shown in fig. 2, according to another embodiment of the present invention, the turning device further optimizes the turning support frame 2 included therein, a plurality of rollers 24 are fixedly installed on the side wall of the turning support frame 2 close to the workpiece 7 along the length direction thereof, two sets of the plurality of rollers 24 are symmetrically distributed on both sides of the workpiece 7, and each roller 24 abuts against the workpiece 7; when the workpiece 7 is clamped between the top clamp 3 and the bottom clamp 4, the two groups of rollers 24 have the function of supporting and clamping the workpiece 7, and the workpiece 7 can be subjected to rotation fine adjustment through the rolling characteristic of the rollers 24 when the workpiece 7 is clamped.
According to another embodiment of the present invention, as shown in fig. 2, in the turning device, preferably, the end of the turning support frame 2 far away from the bottom fixture 4 is fixedly provided with a hand-operated hoist hanger 25; the hand block hanger 25 is a hanging pivot of the mini hand block, and can connect the mini hand block with the sliding plate 22, so that the sliding plate 22 is prevented from shifting in the process of turning over along with the workpiece 7.
As shown in fig. 2, according to another embodiment of the present invention, the turning device is preferably fastened and reinforced between the bottom clamp 4 and the top clamp 3 by a plurality of connecting assemblies, the plurality of connecting assemblies are uniformly distributed along the circumferential direction of the workpiece 7, each connecting assembly includes two wire rope tensioners 8 fixedly installed on the top clamp 3 and the bottom clamp 4, respectively, and a wire rope 9 fixedly connected between the two wire rope tensioners 8; when the workpiece 7 is clamped between the top clamp 3 and the bottom clamp 4, the steel wire rope 9 is contracted and tensioned by operating the steel wire rope tensioner 8, so that the top clamp 3 and the bottom clamp 4 are ensured to firmly clamp the workpiece 7; the wire rope tensioner 8 and its operating principle are prior art and will not be described in detail here.
The use principle of the invention is as follows: when the device is used, the overturning support frame 2 is in a horizontal resetting state, the bottom of a workpiece 7 to be tested is in threaded connection with the bottom clamp 4, the sliding slide plate 22 drives the top clamp 3 to slide according to the length of the workpiece 7, so that a clamping groove in the top clamp 3 is clamped with an end socket in the top of the workpiece 7, then the locking screw 23 on the sliding plate 22 is screwed down to abut against the overturning support frame 2 so as to fix the sliding plate 22, a mini manual hoist can be hung on the manual hoist hanging frame 25 when needed, and the mini manual hoist is connected with the sliding plate 22 to limit the mini manual hoist, so that the sliding plate 22 is prevented from offsetting in the overturning process along with the workpiece 7; then, a steel wire rope tensioner 8 is fastened to reinforce and clamp a workpiece 7 between the top clamp 3 and the bottom clamp 4, then a single-stage hydraulic cylinder 5 is driven to enable the overturning support frame 2 to drive the workpiece 7 to rotate, the side-swing-preventing support 6 between the base 1 and the overturning support frame 2 is slowly opened along with the process of erecting the workpiece 7, the workpiece 7 is prevented from side-swinging through self rigidity, and when the workpiece 7 is completely erected, the workpiece 7 is detected; after detection is finished, the single-stage hydraulic cylinder 5 is contracted to drive the overturning support frame 2 to rotate, the anti-sidesway support 6 is slowly folded along with the horizontal resetting process of the workpiece 7, when the workpiece 7 is completely horizontally placed, the steel wire rope tensioner 8 is loosened, the locking screw 23 is loosened, the sliding slide plate 22 drives the top clamp 3 to slide, so that the clamping groove is separated from the end socket at the top of the workpiece 7, then the workpiece 7 is screwed down from the bottom clamp 4, and finally the qualified workpiece 7 is hoisted and stored; the turning device can realize seamless connection of the whole operation process of clamping, workpiece 7 erecting, hoisting, detecting, hoisting and disassembling, workpiece 7 horizontal resetting, clamp disassembling and workpiece 7 hoisting and warehousing, effectively reduces the time consumption of middle auxiliary links such as workpiece 7 erecting, hoisting and the like, and improves the efficiency of vertical detection of industrial CT of small and medium-sized cylindrical and conical precision workpieces 7.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1. A turning device for turning over a workpiece (7), comprising:
a base (1) fixed on the ground;
one end of the overturning support frame (2) is rotatably connected to the base (1);
the hydraulic driving part is rotationally connected with the base (1) and the overturning supporting frame (2);
a bottom clamp (4) is fixedly arranged at one end of the turning support frame (2) which is rotatably connected with the base (1); and
the top clamp (3) is connected to the other end of the turnover support frame (2) in a sliding mode and matched with the bottom clamp (4) to clamp a workpiece (7), and the top clamp (3) is coaxial with the bottom clamp (4);
the hydraulic driving part drives the overturning support frame (2) to rotate and enable the overturning support frame to be in a vertical or horizontal state.
2. A turnover device as claimed in claim 1, wherein the turnover support frame (2) is provided with slide rails (21) at opposite sides of an end thereof away from the bottom fixture (4), the slide rails (21) are slidably connected with slide plates (22), the slide plates (22) are provided with locking screws (23) engaged with the turnover support frame (2), and the top fixture (3) is fixedly mounted on the slide plates (22).
3. A turnover device as claimed in claim 2, characterized in that the bottom fixture (4) is provided with a recess in the center of the side thereof close to the workpiece (7), the recess being provided with an internal thread, and the bottom of the workpiece (7) being in threaded connection with the recess.
4. The turnover device of claim 2, wherein a clamping groove clamped with a seal head at the top of the workpiece (7) is formed in the center of one side, close to the workpiece (7), of the top clamp (3).
5. A turnover device as claimed in claim 1, characterized in that the hydraulic drive unit comprises a single-stage hydraulic cylinder (5), the connecting end of the single-stage hydraulic cylinder (5) being rotatably connected to the base (1), and the telescopic end of the single-stage hydraulic cylinder (5) being rotatably connected to the turnover support frame (2).
6. A turnover device as claimed in one or more of claims 1 to 5, characterised in that a side-sway preventing bracket (6) is foldably mounted between the base (1) and the turnover support frame (2).
7. A turnover device as claimed in claim 6, wherein the turnover support frame (2) is fixedly provided with a plurality of rollers (24) along the length direction thereof on the side wall close to the workpiece (7), two groups of the plurality of rollers (24) are symmetrically distributed on both sides of the workpiece (7), and each roller (24) abuts against the workpiece (7).
8. A turnover device as claimed in claim 7, characterised in that the end of the turnover support frame (2) remote from the bottom clamp (4) is fixedly provided with a hand-operated block hanger (25).
9. A turnover device as claimed in claim 8, characterized in that the bottom clamp (4) and the top clamp (3) are fastened together by means of a plurality of connecting members, which are distributed uniformly around the circumference of the workpiece (7), each connecting member comprising two wire rope tensioners (8) fixedly mounted on the top clamp (3) and the bottom clamp (4), respectively, and a wire rope (9) fixedly connected between the two wire rope tensioners (8).
CN202010941211.0A 2020-09-09 2020-09-09 Turnover device Pending CN111999321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010941211.0A CN111999321A (en) 2020-09-09 2020-09-09 Turnover device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010941211.0A CN111999321A (en) 2020-09-09 2020-09-09 Turnover device

Publications (1)

Publication Number Publication Date
CN111999321A true CN111999321A (en) 2020-11-27

Family

ID=73469539

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010941211.0A Pending CN111999321A (en) 2020-09-09 2020-09-09 Turnover device

Country Status (1)

Country Link
CN (1) CN111999321A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115625532A (en) * 2022-12-18 2023-01-20 吴江市亨达机械配件有限责任公司 Combined machining equipment for machining aluminum parts of industrial robots

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115625532A (en) * 2022-12-18 2023-01-20 吴江市亨达机械配件有限责任公司 Combined machining equipment for machining aluminum parts of industrial robots
CN115625532B (en) * 2022-12-18 2024-01-09 吴江市亨达机械配件有限责任公司 Combined machining equipment for machining aluminum fittings of industrial robots

Similar Documents

Publication Publication Date Title
CN102371500A (en) Steering frame tilter for passenger car
CN111999321A (en) Turnover device
CN112960539A (en) Hoisting device for prefabricated components of fabricated building
CN116812791B (en) Building engineering lifting device
CN212341053U (en) Turnover mechanism
CN109869169A (en) A kind of arch clamping cantilever crane
CN111362128B (en) House building assembled I-beam lifting device
CN106985129B (en) Regular inspection is with hydraulic manned device inside a kind of spherical tank
CN113236122A (en) Rotary drilling rig
CN216105462U (en) Frequency conversion high stability construction elevator
CN205873739U (en) Tower machine structure and tower machine that climbs for super high -rise building
CN212832472U (en) Small-tonnage three-degree-of-freedom crane
CN211496659U (en) Prefabricated assembled floor hoisting machine
CN212740490U (en) Aluminum alloy railing type rotating arm
CN113896119A (en) Locking device for rotating mechanism and floating crane rotating mechanism
CN107882516B (en) Method is detained in shackle combination device and drill rod fastener dismount method, drilling rod on drilling rod
CN219567375U (en) Photovoltaic module hoist device
CN111022872A (en) Actuator fixing device
CN214560599U (en) Auxiliary tool for percussion drill
CN109179221A (en) A kind of narrow space lifting vehicle
CN117071919B (en) Hanging device for steel structure
CN213895007U (en) Tower crane with anti-settling support legs
CN110550561A (en) Cantilever crane
CN219491675U (en) Wall-riding type reverse-pulling hanging basket device
CN218088490U (en) Electric power well convenient to construction is overhauld

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