CN111703995A - Portable rope clamping and loosening device - Google Patents
Portable rope clamping and loosening device Download PDFInfo
- Publication number
- CN111703995A CN111703995A CN202010609685.5A CN202010609685A CN111703995A CN 111703995 A CN111703995 A CN 111703995A CN 202010609685 A CN202010609685 A CN 202010609685A CN 111703995 A CN111703995 A CN 111703995A
- Authority
- CN
- China
- Prior art keywords
- wedge
- rope
- block
- shaped
- swing arm
- 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
- 238000009434 installation Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000005267 amalgamation Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/048—Testing of overspeed governor
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides a portable rope clamping and loosening device which comprises a supporting frame and a rope clamping device, wherein one end of the supporting frame is fixed, a wedge-shaped seat is arranged on one side of the free end of the supporting frame, one end of the rope clamping device is inserted into the wedge-shaped seat, the rope clamping device comprises two wedge-shaped blocks which are symmetrically arranged, a gap is formed between the two wedge-shaped blocks, the front view of each wedge-shaped block is in a right trapezoid shape, the short edge of each wedge-shaped block is inserted into the wedge-shaped seat, the long edge of each wedge-shaped block protrudes out of the supporting frame, the bevel edge of each wedge-shaped block is attached to the wedge-shaped seat, a semi-arc groove matched with a rope is arranged on the right-angle edge of each wedge-shaped block, the semi-arc grooves of the two wedge-shaped blocks are oppositely arranged, the shape of the wedge-shaped seat is matched with the shape of the two spliced wedge. The device is used for clamping the rope, lifting the rope and loosening the speed limit, the field detection of the elevator speed limiter is carried out, the whole structure is simple, the operation is convenient, the device can be suitable for narrow and small space in a machine room-free space, the elevator speed limiter does not need to be detached for detection, the work efficiency is improved, the detection time is shortened, and the maintenance cost is saved.
Description
Technical Field
The invention relates to the technical field of auxiliary tools for detecting an elevator speed limiter, in particular to a portable rope clamping and loosening device for detecting the elevator speed limiter.
Background
With the advancement of urbanization, at present, various high-rise buildings and super high-rise buildings are more and more, and only few buildings are elevators. The current elevator outputs are divided into elevators without machine rooms and elevators with machine rooms; however, in both the elevator without machine room and the elevator with machine room, the elevator needs to periodically detect the safety performance of the elevator in the long-term use process, and the detection of the elevator speed limiter is one of the core operations in the whole detection operation. The field test of the elevator speed limiter needs to be completed by rope lifting and rope loosening, and the size and space requirements are not made for the installation position of the elevator speed limiter at present. At present, when the elevator without a machine room is used for speed limiter detection, due to the environmental limitation of the machine room, the machine room is not reserved with enough space for people to stand and rope clamping operation, so that the elevator speed limiter is used for testing when a checking test is carried out on the elevator speed limiter, the speed limiter needs to be disassembled for testing, the detection mode has the defects of inconvenient operation, complicated process, high maintenance cost and low working efficiency, and the normal service time of the elevator is delayed.
Disclosure of Invention
The invention provides a portable rope clamping and loosening device which effectively solves the technical problems that an existing speed limiter is inconvenient to operate, complex in process, high in maintenance cost, low in working efficiency and the like in the existing detection process.
The invention provides a portable rope clamping and loosening device which comprises a supporting frame and a rope clamping device, wherein one end of the supporting frame is fixed, a wedge-shaped seat is arranged on one side of the free end of the supporting frame, one end of the rope clamping device is inserted into the wedge-shaped seat, the rope clamping device comprises two wedge-shaped blocks which are symmetrically arranged, a gap is formed between the two wedge-shaped blocks, the front view of each wedge-shaped block is in a right trapezoid shape, the short edge of each wedge-shaped block is inserted into the wedge-shaped seat, the long edge of each wedge-shaped block protrudes out of the supporting frame, the bevel edge of each wedge-shaped block is attached to the wedge-shaped seat, a semi-arc groove matched with a rope is arranged on the right-angle edge of each wedge-shaped block, the semi-arc grooves of the two wedge-shaped blocks are oppositely arranged, the shape of the wedge-shaped seat is matched with the shape of the two spliced wedge.
Preferably, the outer side of the long edge of the wedge block is provided with an extension block, the extension block is provided with a through hole, and the through hole is provided with an ejector bolt.
Preferably, the number of the semicircular arc grooves is two or more, the radiuses of the semicircular arc grooves are equal to or different from each other, and a transverse distance is reserved between the two semicircular arc grooves.
Preferably, the support frame include horizontal wall and rotatory swing arm, horizontal wall one end be equipped with the reversible pressure and detain, press to detain the cover and establish in horizontal wall one end, the one end of rotatory swing arm is fixed on horizontal wall through pressing to detain, the setting of wedge type seat is at the free end of rotatory swing arm.
Preferably, still include the locating pin, be equipped with the bar bolt groove on the hypotenuse one side of wedge, be equipped with the bolt hole at rotatory swing arm, the locating pin passes the bolt hole of rotatory swing arm and inserts in the bolt groove of wedge.
Preferably, the press buckle comprises a first vertical block and a second vertical block which are arranged in parallel, a transverse block is arranged at the lower end of the first vertical block and the lower end of the second vertical block, the transverse block is connected with the bottoms of the first vertical block and the second vertical block, the length of the first vertical block and the length of the second vertical block are larger than the width of a transverse wall, the transverse wall is arranged between the first vertical block and the second vertical block, fastening screw holes are formed in the upper ends of the first vertical block and the second vertical block, and a bolt installation position is arranged on the outer side of the second vertical block.
Preferably, one end of the rotary swing arm is provided with a bolt through hole, a bolt is arranged at the bolt through hole, and the bolt is sleeved at the bolt mounting position of the pressing block.
Preferably, the wedge type seat be isosceles trapezoid shape, the back and the rotatory swing arm laminating of rope clamp, the positive both sides block of rope clamp in rotatory swing arm, the rotatory swing arm of the positive intermediate position department of rope clamp be equipped with the through-hole window.
Preferably, the transverse wall at the end without the press buckle is provided with an installation position for fixedly installing the transverse wall on the car guide rail.
The invention provides a portable rope clamping and loosening device, which is used for carrying out rope clamping, rope lifting and speed-limiting degree rope loosening operations, can be used for fixing and using ropes according to different environmental conditions to carry out field detection on an elevator speed limiter. The rope clamping device adopts a wedge-shaped block structure, after the wedge-shaped seat is matched with the steel wire rope, the steel wire rope is pulled more and more tightly, the rope clamping is reliable and safe, and the design of the wedge-shaped seat can increase the contact surface and prevent the steel wire rope from sliding to generate friction damage; the arrangement of different structures of the semi-arc grooves can be compatible with different steel wire rope sizes of the elevator, and the universality is strong; the arrangement of the extension block and the ejector rod bolt can effectively prevent the wedge-shaped block from being blocked, and can realize manual loosening under the condition of overlarge fastening force or clamping; the setting of pressing the knot can realize that rotatory swing arm removes along the horizontal wall, and can realize turning to of rotatory swing arm, satisfies the demand in different spaces.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the wedge-shaped block of the present invention.
Fig. 3 is a schematic view of the structure of the rotary swing arm of the present invention.
Fig. 4 is a diagram showing the state of use of the clamp cable according to the present invention.
Fig. 5 is a diagram showing the state of use of the released wire rope of the present invention.
Fig. 6 is a diagram of the overall use state of the present invention.
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 some, not all, embodiments of the present invention. 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.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in the attached drawings 1-5, the invention provides a portable rope clamping and loosening device, which comprises a support frame 1 and a rope clamping device 2, wherein one end of the support frame is fixed on a T-shaped guide rail of a lift car, a wedge-shaped seat 3 is arranged on one side of the suspended end of the support frame, one end of the rope clamping device is inserted into the wedge-shaped seat, and the rope clamping, rope lifting and speed-limiting rope loosening operations of a steel wire rope are realized through the matching arrangement of the rope clamping device and the support frame.
The support frame 1 described above comprises a transverse wall 11 and a rotary oscillating arm 12. The transverse wall is a steel plate, the length of the transverse wall is 500 mm-800 mm, the length adopted by the embodiment is 500mm, the rotary swing arm is of a steel integrally-formed structure, the length of the rotary swing arm is 300 mm-500 mm, and the length adopted by the embodiment is 380 mm.
Horizontal wall one end be equipped with the pressure that can commutate and detain 13, press to detain the cover and establish in horizontal wall one end, do not establish and press to detain and be equipped with on the horizontal wall of one end with horizontal wall fixed mounting to car guide rail's installation position 111, the installation position is including being the screw hole and the fastening screw that equilateral triangle arranged, through the screw with whole portable clamp rope slack rope device fixed mounting on the T type guide rail of car. The pressure is detained and can be as required, adjusts the mounted position on horizontal wall, and the one end of rotatory swing arm is detained through the pressure and is fixed on horizontal wall, detains through the pressure and realizes the contained angle control of rotation swing arm in horizontal wall, can adjust contained angle between them as required, satisfies the demand in different spaces, and the setting of wedge type seat is at the free end of rotatory swing arm. The wedge type seat is isosceles trapezoid shape, the back and the laminating of rotatory swing arm of rope clamp, the positive both sides block of rope clamp in rotatory swing arm, the rotatory swing arm of positive intermediate position department of rope clamp be equipped with through-hole window 31, the narrowest width of through-hole window is greater than wire rope's diameter, the setting of through-hole window for the side is gone into wire rope clamp with wire rope card in.
The pressing buckle 13 comprises a first vertical block 131 and a second vertical block 132 which are arranged in parallel, a transverse block 133 is arranged at the lower end of the first vertical block and the lower end of the second vertical block, the bottoms of the first vertical block and the second vertical block are connected through the transverse block to integrally form a U-shaped structure, the length of the first vertical block and the length of the second vertical block are larger than the width of a transverse wall, the transverse wall is arranged between the first vertical block and the second vertical block, fastening screw holes 134 are formed in the upper ends of the first vertical block and the second vertical block, and a bolt installation position is arranged on the outer side of the second vertical block. According to the requirements of the use environment, the pressing buckle is inserted into the proper position of the transverse wall, the fastening screw penetrates through the fastening screw holes of the first vertical block and the second vertical block, and the pressing buckle is fastened on the transverse wall. And a bolt through hole 122 is formed in one end of the rotary swing arm, a bolt 123 is arranged at the bolt through hole, the bolt is sleeved at the bolt mounting position of the pressing block, and the included angle between the rotary swing arm and the transverse wall is adjusted as required to relatively fix the positions of the rotary swing arm and the transverse wall. The size of whole product is similar vernier caliper's size, conveniently carries, and through rigid connection, its reliability of connecting is strong.
The rope clamping device comprises two wedge-shaped blocks 4 which are symmetrically arranged, a gap is arranged between the two wedge-shaped blocks, and the steel wire rope is in interference fit in the rope clamping device in a tensioned state. The front view of foretell wedge becomes right trapezoid, and in the minor face of wedge inserted the wedge seat, the long limit salient of wedge was on the support frame, and the hypotenuse and the laminating of wedge seat of wedge are equipped with the semicircle recess 5 that matches with the rope on the right-angle side of wedge, and the semicircle recess of two wedges sets up in opposite directions, and the shape of wedge seat and the shape phase-match of two wedges after the piece together, the bottom surface of wedge seat is greater than the bottom surface of two wedges after the piece together. The outside on the long limit of wedge is equipped with extension piece 41, is equipped with through-hole 42 on the extension piece, installs ejector pin bolt 43 on the through-hole. The steel wire rope is clamped into the semi-arc groove of the wedge-shaped block paper piece, the wedge-shaped block moves downwards in the wedge-shaped seat cavity under the action of tensile force until the steel wire rope is clamped, and if the fastening force is too large, the ejector rod bolt can be abutted against the transverse wall, so that the phenomenon of clamping cannot occur, and the steel wire rope can still be loosened manually.
The wedge-shaped block positioning device further comprises a positioning pin 6, a strip-shaped pin slot 44 is formed in one side of the oblique edge of the wedge-shaped block, a pin hole 121 is formed in the rotary swing arm, and the positioning pin penetrates through the pin hole of the rotary swing arm to be inserted into the pin slot of the wedge-shaped block, so that the positioning pin can prevent the wedge-shaped block from sliding off and can assist a sliding block to move upwards to form a gap.
The semicircle recess on the wedge is two and more, and the radius of each semicircle recess is equal or different, has horizontal interval between two circular arc recesses, and what adopt in this embodiment is two circular arc recesses of equal radius. The shape and the size of the groove can be determined according to the thickness of a rope to be clamped, and the arrangement of the transverse distance avoids the situation that two adjacent steel wire ropes are close to each other to influence the performance.
The specific installation and use process is as follows: the transverse wall is fixed on the T-shaped guide rail of the lift car through screws, so that the transverse wall is attached to the guide rail, and three adjustable code pressing screws are used for locking and fixing, thereby meeting all size requirements and ensuring the reliability of connection and fixation; according to the space requirement, the rotary swing arm and the rope clamping device are adjusted, so that the wedge-shaped block is moderate in position and is lightly pressed; then, switching an elevator maintenance manual mode, inching and lifting the lift car, driving the steel wire rope at the other end of the speed limiter to ascend, triggering the wedge-shaped block by the clamped steel wire rope under the driving of tensioning gravity to clamp the steel wire rope to prevent the steel wire rope from sliding downwards under the action of trapezoidal lateral stress, and enabling the steel wire rope to be separated from the pulley of the speed limiter by the continuous ascending of the lift car, so that the purpose of rope loosening is achieved; after the test is completed, the inching lift car descends, under the action of the pulley of the speed limiter, the clamped steel wire rope is lifted, the wedge-shaped block is driven to ascend to separate from the trapezoidal clamping force, the rope clamping mechanism can be moved away after the wedge-shaped block is loosened, the original shape is recovered, and the whole process is completed.
The invention provides a portable rope clamping and loosening device, which is used for carrying out rope clamping, rope lifting and speed-limiting degree rope loosening operations, can be used for fixing and using ropes according to different environmental conditions to carry out field detection on an elevator speed limiter. The rope clamping device adopts a wedge-shaped block structure, after the wedge-shaped seat is matched with the steel wire rope, the steel wire rope is pulled more and more tightly, the rope clamping is reliable and safe, and the design of the wedge-shaped seat can increase the contact surface and prevent the steel wire rope from sliding to generate friction damage; the arrangement of different structures of the semi-arc grooves can be compatible with different steel wire rope sizes of the elevator, and the universality is strong; the arrangement of the extension block and the ejector rod bolt can effectively prevent the wedge-shaped block from being blocked, and can realize manual loosening under the condition of overlarge fastening force or clamping; the setting of pressing the knot can realize that rotatory swing arm removes along the horizontal wall, and can realize turning to of rotatory swing arm, satisfies the demand in different spaces. Simultaneously, in order to provide the fixed effect of support frame, can also set up the mounting between the T type guide rail of support piece and car, increase the fixed effect of the T type guide rail of support piece and car, this mounting can use metalwork such as steel sheet, billet.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a portable double-layered rope slack rope device which characterized in that: including support frame (1) and rope clamp (2), the one end of support frame fixed, the free end one side of support frame is equipped with wedge seat (3), rope clamp one end insert in the wedge seat, rope clamp include two wedge (4) that mutual symmetry set up, be equipped with the clearance between two wedges, the front view of wedge become right trapezoid, in the minor face of wedge inserted the wedge seat, the long limit salient of wedge is on the support frame, the hypotenuse and the laminating of wedge seat of wedge, be equipped with semicircle recess (5) that match with the rope on the right angle limit of wedge, the semicircle recess of two wedges sets up in opposite directions, the shape of wedge seat and the shape phase-match of the wedge after two amalgamations, the bottom surface of wedge seat is greater than the bottom surface of the wedge after two amalgamations.
2. The portable rope clamping and loosening device of claim 1, wherein: the long side of the wedge block is provided with an extension block (41), the extension block is provided with a through hole (42), and the through hole is provided with an ejector bolt (43).
3. The portable rope clamping and loosening device of claim 1, wherein: the semi-circular arc grooves are two or more, the radiuses of the semi-circular arc grooves are equal or different, and a transverse distance is reserved between the two semi-circular arc grooves.
4. The portable rope clamping and loosening device of claim 1, wherein: support frame (1) including horizontal wall (11) and rotatory swing arm (12), horizontal wall one end be equipped with reversible pressure and detain (13), press to detain the cover and establish in horizontal wall one end, the one end of rotatory swing arm is fixed on horizontal wall through pressing to detain, the setting of wedge type seat is at the free end of rotatory swing arm.
5. The portable rope clamping and loosening device of claim 4, wherein: the wedge-shaped block positioning device is characterized by further comprising a positioning pin (6), a strip-shaped bolt slot (44) is formed in one side of the inclined edge of the wedge-shaped block, a bolt hole (121) is formed in the rotary swing arm, and the positioning pin penetrates through the bolt hole of the rotary swing arm and is inserted into the bolt slot of the wedge-shaped block.
6. The portable rope clamping and loosening device of claim 4, wherein: the pressing buckle (13) comprises a first vertical block (131) and a second vertical block (132) which are arranged in parallel, a transverse block (133) is arranged at the lower end of the first vertical block and the lower end of the second vertical block, the bottoms of the first vertical block and the second vertical block are connected by the transverse block, the length of the first vertical block and the second vertical block is larger than the width of a transverse wall, the transverse wall is arranged between the first vertical block and the second vertical block, fastening screw holes (134) are formed in the upper ends of the first vertical block and the second vertical block, and a bolt mounting position is arranged on the outer side of the second vertical block.
7. The portable rope clamping and loosening device of claim 5, wherein: one end of the rotary swing arm is provided with a bolt through hole (122), a bolt (123) is arranged at the bolt through hole, and the bolt is sleeved at the bolt mounting position of the pressing block.
8. The portable rope clamping and loosening device of claim 4, wherein: the wedge type seat be isosceles trapezoid shape, the back and the rotatory swing arm laminating of rope gripper, the positive both sides block of rope gripper in rotatory swing arm, the rotatory swing arm of the positive intermediate position department of rope gripper be equipped with through-hole window (31).
9. The portable rope clamping and loosening device of claim 4, wherein: the transverse wall at the end without the press buckle is provided with an installation position (111) for fixedly installing the transverse wall on the cage guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010609685.5A CN111703995A (en) | 2020-06-30 | 2020-06-30 | Portable rope clamping and loosening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010609685.5A CN111703995A (en) | 2020-06-30 | 2020-06-30 | Portable rope clamping and loosening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111703995A true CN111703995A (en) | 2020-09-25 |
Family
ID=72543269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010609685.5A Pending CN111703995A (en) | 2020-06-30 | 2020-06-30 | Portable rope clamping and loosening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111703995A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671590Y (en) * | 2003-12-04 | 2005-01-19 | 中国科学院长春光学精密机械与物理研究所 | Suspension bottle frame for ward transfusion |
| CN102776838A (en) * | 2012-07-23 | 2012-11-14 | 中铁四局集团第一工程有限公司 | Non-destructive removing method of temporary support in continuous beam construction |
| JP2014024639A (en) * | 2012-07-26 | 2014-02-06 | Toshiba Elevator Co Ltd | Elevator rope hoisting and holding device |
| CN204584287U (en) * | 2015-01-27 | 2015-08-26 | 东莞市快手自动化机械有限公司 | A kind of lathe manipulator |
| WO2017094102A1 (en) * | 2015-12-01 | 2017-06-08 | 三菱電機株式会社 | Elevator device |
| CN107473037A (en) * | 2017-08-01 | 2017-12-15 | 营口市特种设备监督检验所 | Elevator governor detects corollary equipment |
| CN107963530A (en) * | 2017-12-25 | 2018-04-27 | 广东省特种设备检测研究院惠州检测院 | A kind of limiter of speed detection device that can adapt to a variety of elevator models |
| CN207281090U (en) * | 2017-09-27 | 2018-04-27 | 同济大学 | Governor tripping speed test platform |
| CN212863683U (en) * | 2020-06-30 | 2021-04-02 | 广东省特种设备检测研究院惠州检测院 | Portable rope clamping and loosening device |
-
2020
- 2020-06-30 CN CN202010609685.5A patent/CN111703995A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671590Y (en) * | 2003-12-04 | 2005-01-19 | 中国科学院长春光学精密机械与物理研究所 | Suspension bottle frame for ward transfusion |
| CN102776838A (en) * | 2012-07-23 | 2012-11-14 | 中铁四局集团第一工程有限公司 | Non-destructive removing method of temporary support in continuous beam construction |
| JP2014024639A (en) * | 2012-07-26 | 2014-02-06 | Toshiba Elevator Co Ltd | Elevator rope hoisting and holding device |
| CN204584287U (en) * | 2015-01-27 | 2015-08-26 | 东莞市快手自动化机械有限公司 | A kind of lathe manipulator |
| WO2017094102A1 (en) * | 2015-12-01 | 2017-06-08 | 三菱電機株式会社 | Elevator device |
| CN107473037A (en) * | 2017-08-01 | 2017-12-15 | 营口市特种设备监督检验所 | Elevator governor detects corollary equipment |
| CN207281090U (en) * | 2017-09-27 | 2018-04-27 | 同济大学 | Governor tripping speed test platform |
| CN107963530A (en) * | 2017-12-25 | 2018-04-27 | 广东省特种设备检测研究院惠州检测院 | A kind of limiter of speed detection device that can adapt to a variety of elevator models |
| CN212863683U (en) * | 2020-06-30 | 2021-04-02 | 广东省特种设备检测研究院惠州检测院 | Portable rope clamping and loosening device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103420246B (en) | Wire holder | |
| JP2008045363A (en) | Suspension device | |
| CN212863683U (en) | Portable rope clamping and loosening device | |
| CN111703995A (en) | Portable rope clamping and loosening device | |
| CN212198296U (en) | Anti-drop groove device for winch roller cable | |
| CN210202017U (en) | Mounting structure of LQ medium-sized linear array loudspeaker box | |
| CN218619838U (en) | Steel pipe truss hoist and mount auxiliary device | |
| CN108639981B (en) | Tower crane dolly wire rope anticreep groove device | |
| CN203392673U (en) | Wire holder | |
| CN215626374U (en) | Hoist device is used in building engineering construction | |
| CN213326593U (en) | Limiting mechanism and clothes airing device | |
| CN111689417B (en) | Anti-falling elevator for building | |
| CN204938645U (en) | A kind of to pouring weight pinch device | |
| CN111824929A (en) | Prefabricated plate hoist device for building | |
| CN117550492B (en) | Bridge crane of high stability | |
| KR101472980B1 (en) | Weight clamping type Gondola Hanger for Building facade maintenance | |
| CN108792906B (en) | Reinforcement installation auxiliary device and reinforcement installation method for elevator counterweight frame | |
| CN217276622U (en) | Three-pulley tension sensor | |
| JP6072324B1 (en) | Elevator governor | |
| CN210679126U (en) | Steel reinforcement cage prestressing force tensioning equipment for bridge | |
| CN211971494U (en) | Steel constructs hoist and mount fixing device for construction | |
| CN214269914U (en) | Clamping structure for high-rise installation of glass curtain wall | |
| CN217148304U (en) | A drilling machine installation is with hoist and mount subassembly for elevator dimension is protected | |
| CN215510760U (en) | Connecting device for pulling and moving adhesive tape under coal mine | |
| CN212567746U (en) | Force transducer for elevator steel rope |
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 |