CN209478076U - Drawing fastener - Google Patents

Drawing fastener Download PDF

Info

Publication number
CN209478076U
CN209478076U CN201822142757.0U CN201822142757U CN209478076U CN 209478076 U CN209478076 U CN 209478076U CN 201822142757 U CN201822142757 U CN 201822142757U CN 209478076 U CN209478076 U CN 209478076U
Authority
CN
China
Prior art keywords
clamp arm
rope
force
fastener
bracket
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.)
Active
Application number
CN201822142757.0U
Other languages
Chinese (zh)
Inventor
刘凌云
杨德宏
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 Nobel Ecological Environment Engineering Co Ltd
Original Assignee
Chongqing Nobel Ecological Environment Engineering 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 Nobel Ecological Environment Engineering Co Ltd filed Critical Chongqing Nobel Ecological Environment Engineering Co Ltd
Priority to CN201822142757.0U priority Critical patent/CN209478076U/en
Application granted granted Critical
Publication of CN209478076U publication Critical patent/CN209478076U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Emergency Lowering Means (AREA)

Abstract

The utility model relates to a kind of drawing fasteners, comprising: bracket is hinged on the force-applying piece of cradle top;The guide holder slided up and down along the bracket;It swings and is installed on the guide seat, for two clamp arm of the clamping drawing rope that cooperates;The transmission mechanism being sequentially connected between force-applying piece and each clamp arm.Drawing fastener can flexibly use in the operative scenario of multiple types of floors and rope, and structure is simple, and small volume is easy to carry about with one, and complete rope drawing tightening operation can be completed in one, easy to use.

Description

Drawing fastener
Technical field
The utility model relates to rope tensioning, anchor rod drawing device, more particularly to a kind of drawing fastener.
Background technique
It is frequently necessary to be drawn on all kinds of ground in face of ropes such as anchor cable, steel cables in the engineering constructions such as building, mining Fastening is pulled out, generallys use anchorage cable stretching machine or prestressing force jacking equipment in engineering at present, but these mechanical general volumes More huge and include a large amount of metal parts, entire machinery weight is very big, operates laborious, especially stretch-draw jack is being applied It needs to be lifted with manpower during work and be connect with anchor cable, substantially increase the labor intensity of construction personnel.These straining devices simultaneously Mostly pneumatic or electronic, in hillside fields etc., the construction site operation of complexity is extremely inconvenient, and the pulling force that traditional stretching machine provides is too big, Stroke is longer, for the mismatch of ground surface soil anchor rod/anchor rope and general earth's surface cable.In addition in the construction such as native anchor, have auxiliary The anchor pole for helping soil to anchor into the soil body is difficult to complete since the frictional resistance of the soil body is larger using manpower, difficult using conventional drawing instrument With holding force and implementation.
Utility model content
Based on this, it is necessary to for the problems such as traditional stretching machine is inconvenient, usage scenario is single, design a kind of operation Simplicity, drawing fastener that is portable and adapting to complicated construction site situation, not only may be implemented to cable wire, hawser etc. The tensioning of compliant member can also realize the drawing to rigid members such as steel pipe, reinforcing bar and anchor poles.
The utility model provides a kind of drawing fastener, comprising:
Bracket;
It is hinged on the force-applying piece of cradle top;
The guide holder slided up and down along the bracket;
It swings and is installed on the guide seat, for two clamp arm of the clamping pulling element that cooperates;
The transmission mechanism being sequentially connected between force-applying piece and each clamp arm.
Several optional ways also provided below, but be not intended as the additional qualification to above-mentioned overall plan, only into The supplement of one step is preferred, and under the premise of no technology or logical contradiction, each optional way can be individually for above-mentioned totality side Case is combined, and be can also be and is combined between multiple optional ways.
In one embodiment, the bracket includes the support rod of pedestal and vertically-arranged on the base;The guiding Seat is slidably mounted on support rod, and the force-applying piece is hinged on support bar top.
In one embodiment, the pedestal of the bracket offers the evacuation channel for allowing pulling element to pass through.
In one embodiment, the guide holder includes the sleeve being slidably located on the support rod and fixed installation Position limiting slide block on the sleeve, two clamp arm are mounted on the position limiting slide block by pivot swing.
In one embodiment, the fixed outer wall for sticking on the sleeve of the position limiting slide block, on the position limiting slide block Also open up the escape groove for allowing pulling element to pass through.
In one embodiment, the force-applying piece is the lever for being hinged on cradle top, and lever is with bracket hinged place Balance pivot, lever one end be free end and with balance pivot apart from larger, the lever other end is applying of being connected with transmission mechanism Power end, and force side and balance pivot distance are smaller.
In one embodiment, each clamp arm one end be cooperate clamping pulling element work department, the other end be with The interconnecting piece of transmission mechanism rotation connection, the work department have the edge shape of arc.
In one embodiment, the anti-slop serrations of the work department setting and pulling element cooperation.
In one embodiment, described two clamp arm are symmetrically distributed in the two sides in the evacuation channel.
In one embodiment, two connecting rods of the transmission mechanism, wherein a clamp arm is hinged for each connecting rod one end, the other end It is hinged with force-applying piece.
The application drawing fastener structure is simple, easy to operate, and it is extensive to be applicable in scene.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of drawing fastener;
Fig. 2 is the three-dimensional structure diagram under drawing fastener working condition, and arrow direction is the lever free end direction of motion;
Fig. 3 is the structure chart of two clamp arm in drawing fastener;
Fig. 4 is the structure chart in Fig. 3 under two clamp arm working conditions;
Fig. 5 is the structure chart of single clamp arm in drawing fastener.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In order to better describe and illustrate embodiments herein, one or more attached drawing can refer to, but attached for describing The additional detail or example of figure be not construed as creating the utility model of the application, current described embodiment or excellent Select the limitation of the range of any one in mode.
It should be noted that when component be referred to as with another component " connection " when, it can directly with another component It connects or there may also be components placed in the middle.When a component is considered as " being set to " another component, it be can be directly It connects and is arranged on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.
As shown in Fig. 1~5, a kind of drawing fastener, comprising: bracket 1 is hinged on the force-applying piece 2 of cradle top;Described in The guide holder 3 that bracket slides up and down;Swing is installed on the guide seat, clamps rope 6 (as drawing portion for cooperating Part) two clamp arm 4;The transmission mechanism 5 being sequentially connected between force-applying piece and each clamp arm 4.
Pulling element is by taking rope 6 or anchor pole as an example in the present embodiment, but is not intended as the restriction to drawing fastener itself, Pulling element can also be the diversified forms such as cable wire, hawser, steel pipe, reinforcing bar and anchor pole.
When carrying out rope drawing using drawing fastener, first the rope 6 fastened or anchor pole will be needed to be clamped in two folders It at 4 mutual cooperation of arm, then operates force-applying piece 2 and transmission mechanism 5 is driven to move, since transmission mechanism 5 is connect with clamp arm 4, pass Motivation structure 5 drives two clamp arm 4 to swing, and during two clamp arm 4 are swung up, two clamp arm 4 are close to each other to be matched for clamping tightly Rope 6 or anchor pole.
With the drawing further up of transmission mechanism 5, two clamp arm 4 are together with rope 6 or anchor pole with guide holder 3 together edge 1 uplink of bracket, realization rope 6 or anchor pole pull up.
The utility model relates to drawing fastener should be able to adapt to complicated working environment and carry out rope drawing fastening, than Rope drawing, therefore drawing fastener are carried out such as on horizontal operation face, large inclination working surface or circular arc working face working face Bracket 1 need to include at least pedestal 11 and the supporting element 12 that is fixedly mounted on pedestal.The structure of pedestal 11 should be tight with drawing Gu the shape of implement body working face matches, entire drawing fastener is smoothly placed on working face and is grasped Make.In one of the embodiments, as shown in Figure 1, the pedestal 11 of bracket 1 is rectangular parallelepiped structure, correspond in horizontal operation face The case where carrying out rope drawing fastening.The supporting element 12 and force-applying piece 2 being fixedly mounted on pedestal are hinged, and the needs of supporting element 12 are held It carries force-applying piece 2 and is applied to the load on bracket, therefore supporting element 12 can be using vertically-arranged on pedestal according to the size of load The mode of single rod supported or plurality of rods combined support.In one of the embodiments, as shown in Figure 1, the supporting element 12 of bracket 1 is Single pole of the vertically-arranged on pedestal is suitable for the lesser drawing fastener of load.
To prevent the interference of rope 6 or anchor pole during the drawing process by pedestal 11, is offered on pedestal 11 and allow rope 6 Or the evacuation channel 13 that anchor pole passes through.
On the one hand pedestal 11 can generate the frictional force between pedestal 11 and rope 6 or anchor pole to the interference of rope 6 or anchor pole, Increase drawing difficulty;The edge of another aspect pedestal 11 may hurt rope 6 or anchor pole, there are security risk, therefore drawing The pedestal 11 of fastener, which can open up, accommodates the evacuation channel 13 that rope 6 or anchor pole pass through, and evacuation channel 13, which can use, to be opened up The various shapes such as hole inside pedestal 11 or the groove for being provided with 11 edge of pedestal, but it is necessary to ensure that the big of hole or groove The small diameter that can accommodate rope 6 or anchor pole, in one of the embodiments, as shown in Fig. 2, evacuation channel 13 specifically uses groove Form.
Drawing fastener has the guide holder 3 being slidably mounted on bracket 1, and two swings of clamp arm 4 are connected to guide holder 3 On.The matching part of guide holder 3 and bracket 1 can use position limiting structure, and restricted guidance seat 3 is rotated around bracket 1,3 edge of guide holder Bracket 1 slides up and down, such as guide groove, the modes such as another one setting and the guide pad of guide groove cooperation are arranged in one.
Guide holder 3 should include at least the part being slidably connected with bracket 1 and swing the part of connection with two clamp arm 4, In a kind of embodiment, as shown in Figure 1, guide holder 3 includes that the sleeve 31 being slidably connected with support rod 12 and swinging with clamp arm 4 connects The position limiting slide block 32 connect, sleeve 31 and 12 clearance fit of support rod, can slide up and down along support rod 12;Position limiting slide block 32 is substantially For cuboid, side is fixedly connected with sleeve 31, and clamp arm 4 swings the side for being connected to position limiting slide block 32 backwards to sleeve 31, limit Sliding block 32 is with the lower slider in the vertical direction of sleeve 31.Since the side that position limiting slide block 32 and clamp arm 4 swing connection is cuboid Vertical plane, two clamp arm 4 are mounted on the vertical plane by the swing of horizontally disposed pivot, pass through the pivot with certain length The cooperation of axis and clamp arm and pivot can limit clamp arm 4 around the shaking of horizontal axis, stable clamping rope 6 or anchor pole.
In order to further avoid interfering between rope 6 or anchor pole and drawing fastener, guide holder 3 is swinging company with clamp arm 4 It connects side and also opens up the escape groove 33 for allowing rope 6 or anchor pole to pass through.Drawing fastener in the operating condition, rope 6 or anchor pole It is clamped at two 4 cooperations of clamp arm, the escape groove 33 that guide holder 3 opened up allow rope 6 or anchor pole to pass through can be to avoid rope Rope 6 or anchor pole are contacted with the direct of guide holder 3, it is ensured that entire drawing fastener, which only cooperates, clamps drawing rope 6 or anchor Two clamp arm 4 of bar are contacted with rope 6 or anchor pole.In one embodiment, as shown in Fig. 2, being put in guide holder 3 and clamp arm 4 The center of the side perpendicular of dynamic connection offers the escape groove for allowing rope 6 or anchor pole to pass through, and avoids guide holder 3 and rope Rope 6 or anchor pole generate contact.
The force-applying piece 2 that the utility model provides drawing fastener can be the labour saving machines such as lever, pulley, wheel shaft, or It is the combining form of above-mentioned a variety of labour saving machines, force-applying piece 2 should be able to be tight to entire drawing in the case where single manual operation Gu device provides enough power, driving clamp arm 4 is swung up, and realizes the drawing fastening of rope 6 or anchor pole.
In a kind of wherein embodiment, as shown, force-applying piece 2 is the lever for being hinged on cradle top, lever and bracket Hinged place is balance pivot 21, lever one end be free end 22 and with balance pivot apart from larger, the lever other end is and transmission The connected force side 23 of mechanism, force side 23 is with balance pivot 21 apart from smaller.
Drawing fastener in the initial state, the force side 23 of lever 2 in the gravity of clamp arm 4 and transmission mechanism 5 and Sink, the free end 22 of corresponding lever 2 is lifted.Drawing fastener in the operating condition, passes through the free end 22 of presses lever 2 So that the force side 23 of lever 2 is lifted, transmission mechanism 5 is driven to move upwards, thus make the clamp arm 4 being connected with transmission mechanism 5 to Upper swing realizes drawing fastening rope and extracts the function of anchor pole.
According to the action principle of lever, an equal amount of power, lever free end 22 and thick stick are provided in lever free end 22 The distance (power arm) of bar fulcrum 21 and lever force side 23 and the ratio of (resistance arm) at a distance from balance pivot 21 are bigger, then lead to It is bigger to cross the power that lever 2 applies to transmission mechanism 5, i.e. the relative ratio size of the more laborsaving power arm of drawing fastener and resistance arm The load energy in view of the associated components such as bracket 1 and lever 2 can be also needed certainly according to actual working condition flexible setting Power.In one embodiment, as shown in Figure 1, the ratio of 2 power arm of bar bar and resistance arm is about 2~2.5, it is suitble to various conjunctions The drawing fastening of golden hawser and the drawing of reinforced anchor bolt, worker is relatively labor-saving when operating drawing fastener, and will not be to rope Drawing fastener bracket 1 causes excessive load.
The utility model is provided in two clamp arm 4 of drawing fastener, and each clamp arm one end is the clamping drawing rope that cooperates The work department 41 of rope 6 or anchor pole, the other end are the interconnecting piece 42 being rotatablely connected with transmission mechanism 5.When drawing fastener works, need First two clamp arm 4 to be opened manually, anchor cable, cable or anchor pole are clamped in the mutually matched work department 41 of two clamp arm 4 Between, then drive of the clamp arm 4 through transmission mechanism 5 is swung up with the axle center 411 of work department 41 for oscillation center, rope or Person's anchor pole, which is clamped in clamp arm work department 41, to be easily pulled upwardly, and realizes fastening.
In order to meet different types of rope drawing fastening demand, camber is can be set in the edge of clamp arm work department 41, Clamp arm work department 41, which is set as curved edge, may insure that clamp arm 4 has in the state of clamping rope 6 or anchor pole or anchor pole There are enough amplitudes being swung up, realizes the fixation to different pulling elements.The curvature of curved edge is arranged more big, presss from both sides Arm 4 allows the amplitude being swung up bigger, corresponding drawing fastener can be used for the elongations such as the rope made of hemp, cotton cord, nylon rope compared with The fastening of big rope;The curvature of curved edge is arranged smaller, and clamp arm 4 allows the amplitude being swung up smaller, corresponding drawing Fastener can be used for the fastening of various alloy hawsers;It in the actual construction process, can be according to the spirit of the type of rope 6 or anchor pole The suitable clamp arm 4 of selection living, which is installed in drawing fastener, to be used.
In one embodiment, as shown in figure 4, the center of circle of 41 curved edge of clamp arm work department can deviate work department 41 Oscillation center 411, the curved edge of such two clamp arm while being swung up of clamp arm 4 can be close to each other, gradually presss from both sides Guy tightening 6 or anchor pole, preventing rope 6 or anchor pole from generating larger elastic force under the state that is tightened up causes rope 6 or anchor pole from clamp arm 4 Deviate from cooperation.
In order to further ensure rope 6 or anchor pole will not all cooperate during entire drawing fastens from two clamp arm 4 Place's abjection, the utility model provide what drawing fastener can also cooperate in the setting of the work department 41 of clamp arm 4 with rope 6 or anchor pole There are anti-slop serrations 412, anti-slop serrations are arranged at 4 mutual cooperation of clamp arm, i.e. the contact surface of clamp arm work department 41 and rope 6 or anchor pole On.During drawing fastener pulls up rope 6 or anchor pole, anti-slop serrations 412 always with rope 6 or rockbolt stress part Engagement is kept, guarantees that rope 6 or anchor pole are clamped between two clamp arm 4.
The detailed facewidth of anti-slop serrations 412 and space width can be according to the kinds of drawing rope 6 or anchor pole in actual use Class flexible choice, in general, the facewidth is smaller, the smaller then anti-slop serrations distribution of space width is more intensive, is suitable for surface smoother All kinds of alloy ropes or nylon rope etc.;The facewidth is bigger, the more big then anti-slop serrations distribution of space width is more sparse, and it is thicker to be suitable for surface The rough all kinds of ropes made of hemp.In one embodiment, as shown in figure 5,412 facewidth of anti-slop serrations is about 1~1.2mm, the between cog of sawtooth Away from for 1.2~1.6mm, anti-slop serrations are densely distributed, can be used for a kind of alloy hawser of drawing.
Symmetrical 13 two sides of evacuation channel of two clamp arm 4 of the utility model offer drawing fastener, it is tight in drawing Gu in device use process, two clamp arm 4 are during being swung up in evacuation 13 two sides of channel to the rope 6 or anchor for needing drawing Bar provides one group of pressure symmetrical obliquely, and pressure just offsets each other in the horizontal direction, pressure only straight up It pushes running rope rope 6 or anchor pole moves upwards, to realize the drawing fastening of rope 6 or anchor pole.If two clamp arm 4 are without symmetrical cloth It sets in rope channel two sides, then can be generated to guide holder in two 4 swing process of clamp arm in the drawing fastener course of work The service life that will affect guide holder is used for a long time in biggish horizontal thrust.
The utility model provides the transmission mechanism 5 of drawing fastener between force-applying piece 2 and each clamp arm 4, and transmission mechanism 5 will The power that force-applying piece 2 provides is transmitted in each clamp arm 4, and driving clamp arm 4 is swung up, and is realized tight to the drawing of rope 6 or anchor pole Gu.
Transmission mechanism 5 can use a variety of machine driving forms such as gear drive, chain conveyer, link transmission, but because two A needs of clamp arm 4, which start simultaneously at, to be swung up, and the effect of work in coordination drawing fastening rope 6 or anchor pole is just able to achieve, so passing Motivation structure 5 should be at least symmetrical structure, guarantee force-applying piece 2 provide power simultaneously reach two clamp arm 4.
In one embodiment, as shown in Fig. 2, transmission mechanism 5 be two symmetrical connecting rods, each connecting rod bottom end with Wherein the interconnecting piece 42 of a clamp arm 4 is hinged, and the force side 23 of top and force-applying piece 2 is hinged.In the work of drawing fastener, force It is lifted on end 23, each connecting rod is driven to lift the interconnecting piece 42 of clamp arm 4 upwards, the work department 41 of driving clamp arm 4 is swung up clamping rope Rope 6 or anchor pole.
Drawing fastener provided in this embodiment can flexibly use in the operative scenario of multiple types of floors and rope, structure Simply, small volume is easy to carry about with one, and complete rope drawing tightening operation can be completed in one, easy to use.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of drawing fastener characterized by comprising
Bracket;
It is hinged on the force-applying piece of cradle top;
The guide holder slided up and down along the bracket;
It swings and is installed on the guide seat, for two clamp arm of the clamping pulling element that cooperates;
The transmission mechanism being sequentially connected between force-applying piece and each clamp arm.
2. drawing fastener as described in claim 1, it is characterised in that: the bracket include pedestal and vertically-arranged on the base Support rod;The guide holder is slidably mounted on support rod, and the force-applying piece is hinged on support bar top.
3. drawing fastener as claimed in claim 2, it is characterised in that: the pedestal of the bracket, which offers, allows pulling element to wear The evacuation channel crossed.
4. drawing fastener as claimed in claim 2, it is characterised in that: the guide holder includes the support rod that is slidably located in On sleeve and the position limiting slide block that is fixedly mounted on the sleeve, two clamp arm the limit cunning is mounted on by pivot swing On block.
5. drawing fastener as claimed in claim 4, it is characterised in that: the position limiting slide block is fixed to stick on the outer of the sleeve Wall also opens up the escape groove for allowing pulling element to pass through on the position limiting slide block.
6. drawing fastener as described in claim 1, it is characterised in that: the force-applying piece is the lever for being hinged on cradle top, Lever and bracket hinged place are balance pivot, lever one end be free end and with balance pivot apart from larger, the lever other end is The force side being connected with transmission mechanism, and force side and balance pivot distance are smaller.
7. drawing fastener as described in claim 1, it is characterised in that: each clamp arm one end is the clamping pulling element that cooperates Work department, the other end are the interconnecting piece being rotatablely connected with transmission mechanism, and the work department has the edge shape of arc.
8. drawing fastener as claimed in claim 7, it is characterised in that: the work department setting cooperates anti-skidding with pulling element Tooth.
9. drawing fastener as claimed in claim 3, it is characterised in that: described two clamp arm are symmetrically distributed in the evacuation channel Two sides.
10. drawing fastener as described in claim 1, it is characterised in that: the transmission mechanism is two connecting rods, each connecting rod one end Hinged with a wherein clamp arm, the other end is hinged with force-applying piece.
CN201822142757.0U 2018-12-18 2018-12-18 Drawing fastener Active CN209478076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822142757.0U CN209478076U (en) 2018-12-18 2018-12-18 Drawing fastener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822142757.0U CN209478076U (en) 2018-12-18 2018-12-18 Drawing fastener

Publications (1)

Publication Number Publication Date
CN209478076U true CN209478076U (en) 2019-10-11

Family

ID=68126545

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822142757.0U Active CN209478076U (en) 2018-12-18 2018-12-18 Drawing fastener

Country Status (1)

Country Link
CN (1) CN209478076U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109531491A (en) * 2018-12-18 2019-03-29 重庆诺为生态环境工程有限公司 Drawing fastener

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109531491A (en) * 2018-12-18 2019-03-29 重庆诺为生态环境工程有限公司 Drawing fastener
CN109531491B (en) * 2018-12-18 2024-04-19 重庆诺为生态环境工程有限公司 Drawing fastener

Similar Documents

Publication Publication Date Title
KR101218710B1 (en) The cable fixing bar provisionally installation equipment for work power distribution line
CN205489296U (en) Swift pay off rack of secondary cable
CN109531491A (en) Drawing fastener
CN209478076U (en) Drawing fastener
CN108832531A (en) A kind of transmission line overhauling device
CN208758983U (en) A kind of device for screwing up that the antitorque arm of force of band can be freely lifted and slide
CN203998709U (en) A kind of super laborsaving electrical equipment lifting appliance
CN108706442B (en) A kind of Architectural Equipment hanging apparatus
CN110525587A (en) From tension type snap-gauge cable stopper and its control method
CN212811153U (en) Fixer of agricultural pole distribution cable
CN208499414U (en) A kind of equipment transfer arrangement
CN1321256C (en) Oil-pumping workover rig
CN209278408U (en) Wirerope positioning lifting rope regulator
CN210013548U (en) Electric power distribution network lays wire pole stay cord overspeed device tensioner
CN110125836A (en) A kind of fixed equipment and its application method for studying tower crane mechanical property
CN102493456A (en) Combined manual pile extractor
CN207999218U (en) A kind of mast installation and rotary drilling rig
CN211398760U (en) Fire engineering construction is with device of pre-buried pipeline
CN219418580U (en) Wire clamping and fixing structure
CN108772690A (en) A kind of device for screwing up that the antitorque arm of force of band can be freely lifted and slide
CN211521377U (en) Tower crane hoisting load monitoring device
CN206362321U (en) A kind of servicing unit of tunnel monitoring measurement steel ruler convergence gauge
CN221030133U (en) Sling assembly and inclined pile hanging pile device
CN110421079A (en) A kind of steel construction assembled architecture frame build docked with steel part it is mechanical
CN216027885U (en) Chain tensioning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant