CN204199735U - The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically - Google Patents

The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically Download PDF

Info

Publication number
CN204199735U
CN204199735U CN201420578378.5U CN201420578378U CN204199735U CN 204199735 U CN204199735 U CN 204199735U CN 201420578378 U CN201420578378 U CN 201420578378U CN 204199735 U CN204199735 U CN 204199735U
Authority
CN
China
Prior art keywords
guide groove
groove supporting
loudspeaker
blanket net
supporting 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.)
Expired - Fee Related
Application number
CN201420578378.5U
Other languages
Chinese (zh)
Inventor
凌志云
周振杰
黄维
周志荣
黄澎
梁壹程
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.)
GUANGXI CONSTRUCTION ENGINEERING GROUP THIRD CONSTRUCTION ENGINEERING Co
Original Assignee
GUANGXI CONSTRUCTION ENGINEERING GROUP THIRD CONSTRUCTION ENGINEERING Co
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 GUANGXI CONSTRUCTION ENGINEERING GROUP THIRD CONSTRUCTION ENGINEERING Co filed Critical GUANGXI CONSTRUCTION ENGINEERING GROUP THIRD CONSTRUCTION ENGINEERING Co
Priority to CN201420578378.5U priority Critical patent/CN204199735U/en
Application granted granted Critical
Publication of CN204199735U publication Critical patent/CN204199735U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Emergency Lowering Means (AREA)

Abstract

The loudspeaker guide groove supporting arrangement that the utility model mobile security blanket net passes through automatically, relate to a kind of safety device when building operations, it comprises fixed support, loudspeaker guide groove supporting base, connection network ear, described fixed support is arranged on two row's side columns of operation side both sides, described loudspeaker guide groove supporting base to be fixedly connected on fixed support and to be positioned at the inner side of side column, safe blanket net is arranged on operation side two and arranges inside side column, and the both sides of safe blanket net are connected with the moving guide rail be positioned at inside two row's side columns by connection network ear, the moving guide rail be positioned at inside two row's side columns supported by the loudspeaker guide groove supporting base be arranged on fixed support, safe blanket net and moving guide rail advanced in unison or retrogressing when moving guide rail moves, the connection network ear of safe blanket net both sides runs into loudspeaker guide groove supporting base and can slip over loudspeaker guide groove supporting base smoothly.After adopting the utility model, safe blanket net can realize automatic movement, does not need manually to unclamp simple and easy drag hook to high vacancy.

Description

The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically
Technical field
The utility model relates to a kind of safety device when building operations, particularly the supporting arrangement that automatically passes through of a kind of mobile security blanket net.
Background technology
In the lifting of industrial premises roof system and the construction of some fabricated constructions, in order to ensure construction safety, needing two ends below the scope of operation that steel wire hang mobile security blanket net is installed and protecting.Excessive for avoiding steel wire hang span oversize (general more than 90m) to produce amount of deflection, comparatively common way is: in medial post, arrange 1 simple and easy drag hook every 18m fix wire rope.When safe blanket net moves to simple and easy drag hook place along wire rope, need people to climb to high-altitude and unclamp drag hook Cai Nengshi safety pocket Netcom mistake.This way has the following disadvantages: 1, because the impact of safe blanket net deadweight power produces one larger horizontal elasticity to the inside to wire rope, people unclamps drag hook moment to high-altitude, the generation that horizontal elasticity is easy to that wire rope is met people causes falling from high altitude accident; 2, manually climb to high-altitude due to needs and unclamp simple and easy drag hook, high and low is time-consuming, and is absolutely unsafe, and causes operating personnel's operation of would rather taking a risk also to be reluctant that mobile security blanket net is to provide the difficult situation of security protection.
Utility model content
The purpose of this utility model is the weak point existed for overcoming above-mentioned prior art, the loudspeaker guide groove supporting arrangement that a kind of mobile security blanket net passes through automatically is provided, do not need people to climb to simple and easy drag hook that fixing wire rope is unclamped in high-altitude, save labour cost, reduce the labour intensity of workman, avoid people to climb to wire rope the is encountered generation that people causes falling from high altitude accident of horizontal elasticity when simple and easy drag hook is unclamped in high-altitude.
The technical scheme that the utility model adopts for achieving the above object is: the loudspeaker guide groove supporting arrangement that a kind of mobile security blanket net passes through automatically, comprise fixed support, loudspeaker guide groove supporting base, connection network ear, described fixed support is arranged on two row's side columns of operation side both sides, described loudspeaker guide groove supporting base to be fixedly connected on fixed support and to be positioned at the inner side of side column, safe blanket net is arranged on operation side two and arranges inside side column, and the both sides of safe blanket net are connected with the moving guide rail be positioned at inside two row's side columns by connection network ear, the moving guide rail be positioned at inside two row's side columns supported by the loudspeaker guide groove supporting base be arranged on fixed support, safe blanket net and moving guide rail advanced in unison or retrogressing when moving guide rail moves, the connection network ear of safe blanket net both sides runs into loudspeaker guide groove supporting base and can slip over loudspeaker guide groove supporting base smoothly.
Further technical scheme of the present utility model is: described loudspeaker guide groove supporting base comprises support slot, be connected to mounting seat bottom support slot two ends, described support slot entirety is rectangular, the inside side walls of support slot is provided with the limit sliding chutes running through this sidewall surfaces externally and internally, the two ends of limit sliding chutes are connected to the loudspeaker guide groove be interconnected with limit sliding chutes, and loudspeaker guide groove from inside to outside its opening increase as horn-like gradually, loudspeaker guide groove supporting base is fixedly connected on fixed support by mounting seat.
Further technical scheme of the present utility model is: the both sides of described mounting seat are respectively equipped with fixed bolt hole, and loudspeaker guide groove supporting base is fixedly connected on fixed support through fixing threaded hole by bolt.
Further technical scheme of the present utility model is: described mounting seat upper surface is also connected with ribs.
Further technical scheme of the present utility model is: be respectively equipped with stopping means at the two ends of described limit sliding chutes, this stopping means comprises and is arranged on spacing roller bearing on the upside of limit sliding chutes and is arranged on sliding bearing on the downside of limit sliding chutes and corresponding with spacing roller positions, the two ends of described spacing roller bearing are supported on the outboard sidewalls of support slot respectively, the bearing pin be supported on support slot outboard sidewalls is provided with on the downside of described limit sliding chutes, this bearing pin is positioned at immediately below spacing roller bearing simultaneously, and described sliding bearing is sleeved on bearing pin.
Further technical scheme of the present utility model is: described connection network ear comprises sleeve pipe and connects jig, tighten up screw, auricle, sleeve pipe connects jig cylindrically, sleeve pipe connects jig and is provided with the screw running through sleeve pipe, auricle is fixedly connected on the external surface that sleeve pipe connects jig, auricle is provided with the lacing hole for connecting safe blanket net away from sleeve pipe connection jig one end, sleeve pipe connects jig and is enclosed within outside moving guide rail, tighten up screw to connect screw on jig through sleeve pipe and can connect moving guide rail in jig by clamp sleeve, the lacing hole that described safety pocket Netcom is crossed on auricle is connected with connection network ear, when connection network ear is slipped over by loudspeaker guide groove supporting base, auricle slips into limit sliding chutes by the loudspeaker guide groove of limit sliding chutes side, support slot is skidded off again by the loudspeaker guide groove of limit sliding chutes opposite side.
Further technical scheme of the present utility model is: the spacing between the sliding bearing that described spacing roller bearing is relative with its position is equal with the external diameter that described sleeve pipe connects jig.
Further technical scheme of the present utility model is: inside described sleeve pipe connection jig, through hole is equal with the external diameter of moving guide rail.
The loudspeaker guide groove supporting arrangement that the utility model mobile security blanket net passes through automatically has following beneficial effect: 1, safety pocket Netcom crosses wire rope moving track and drives its synchronous forward and back, when mobile security blanket net is by loudspeaker guide groove supporting base, can automatically pass through, do not need manually to unclamp simple and easy drag hook to high vacancy, reduce labor intensity, avoid manually unclamping drag hook moment wire rope and encounter the potential safety hazard that people causes falling from high altitude; 2, the supporting arrangement that automatically passes through of the utility model mobile security blanket net, automatically controls mobile security blanket net for we research and develop, provides favourable condition; 3, the connection network ear being connected to safe blanket net both sides can automatically by loudspeaker guide groove supporting base; do not need manually to unclamp drag hook, save labour cost, easy to use; realizing safe blanket net moves synchronous with site operation, the real effect playing the protection of safe blanket net construction safety.
Accompanying drawing explanation
Fig. 1 is the floor map (omitting the high-altitude installation work face relevant apparatus on the upside of side column) that loudspeaker guide groove supporting arrangement that the utility model mobile security blanket net passes through automatically is arranged on job site;
Fig. 2 is the A-A direction sectional view of Fig. 1;
Fig. 3 is support bracket fastened structural representation;
Fig. 4 is the front view of loudspeaker guide groove supporting base;
Fig. 5 is the top view of the guide groove of loudspeaker shown in Fig. 4 supporting base;
Fig. 6 is the B-B direction sectional view of Fig. 5;
Fig. 7 is the structural representation that loudspeaker guide groove supporting base and leading block are arranged on fixed support;
Fig. 8 is the structural representation of connection network ear;
Fig. 9 is the structural representation of connection network ear by loudspeaker guide groove supporting base;
Element numbers illustrates: 2-moving guide rail, 3-leading block, 4-fixed support, 5-side column, 7-safe blanket net 9-loudspeaker guide groove supporting base, 11-electric winch, 14-connection network ear, 15-high-altitude installation work face, 16-angle steel, 17-bolt, 18-loudspeaker guide groove, the spacing roller bearing of 19-, 20-limit sliding chutes, 21-support slot, 22-mounting seat, 23-ribs, 24-bearing pin, 25-fixed bolt hole, 26-sliding bearing, 27-tightens up screw, 28-sleeve pipe connects jig, 29-auricle, 30-lacing hole.
Detailed description of the invention
As shown in Figures 1 to 9, the loudspeaker guide groove supporting arrangement that the utility model mobile security blanket net passes through automatically, comprises fixed support 4, loudspeaker guide groove supporting base 9, connection network ear 14.
Described fixed support 4 is arranged on two row's side columns of operation side both sides, and as shown in Figure 3, fixed support 4 adopts two angle steel 16 and two bolt 17 clipping types to be fixed on the side column 5 of factory building, is high-altitude installation work face 15 on the upside of two row's side columns.Fixed support 4 is provided with the screw for installing leading block 3, loudspeaker guide groove supporting base 9.As described in Fig. 1,2, loudspeaker guide groove supporting base 9 to be fixedly connected on fixed support 4 and to be positioned at the inner side of side column 5, leading block 3 to be fixedly connected on fixed support 4 and to be positioned at the outside of side column 5, and moving guide rail 2 is movably arranged on leading block 3 and loudspeaker guide groove supporting base 9 respectively along outside in side column.Safe blanket net 7 is arranged on operation side two and arranges inside side column, and the both sides of safe blanket net 7 are connected with the moving guide rail 2 be positioned at inside two row's side columns by connection network ear 14, the moving guide rail 2 be positioned at inside two row's side columns supported by the loudspeaker guide groove supporting base 9 be arranged on fixed support 4.
As shown in Figures 4 to 6, loudspeaker guide groove supporting base 9 comprises support slot 21, be connected to mounting seat 22 bottom support slot 21 two ends, described support slot 21 is overall rectangular, the inside side walls of support slot 21 is provided with the limit sliding chutes 20 running through this sidewall surfaces externally and internally, the two ends of limit sliding chutes 20 are connected to the loudspeaker guide groove 18 be interconnected with limit sliding chutes 20, and loudspeaker guide groove 18 from inside to outside its opening increase as horn-like gradually, loudspeaker guide groove supporting base 9 is fixedly connected on fixed support 4 by mounting seat 22.The both sides of mounting seat 22 are respectively equipped with fixed bolt hole 25, and loudspeaker guide groove supporting base 9 is fixedly connected on fixed support 4 through fixing threaded hole by bolt, and mounting seat 22 upper surface is also connected with ribs 23.Stopping means is respectively equipped with at the two ends of described limit sliding chutes 20, this stopping means comprises and is arranged on spacing roller bearing 19 on the upside of limit sliding chutes 20 and is arranged on sliding bearing 26 on the downside of limit sliding chutes 20 and corresponding with spacing roller bearing 19 position, the two ends of described spacing roller bearing 19 are supported on the outboard sidewalls of support slot 21 respectively, the bearing pin 24 be supported on support slot 21 outboard sidewalls is provided with on the downside of described limit sliding chutes 20, this bearing pin 24 is positioned at immediately below spacing roller bearing 19 simultaneously, and described sliding bearing 26 is sleeved on bearing pin 24.Sliding bearing 26 both sides are also provided with the packing ring be enclosed within bearing pin 24.
As shown in Figure 8, Figure 9, be fixedly connected with the moving guide rail 2 be positioned at inside two row's side columns outside connection network ear 14, be connected with blanket net 7 inside connection network ear 14, in the operation side that blanket net 7 is arranged on inside two row's side columns.In the present embodiment, connection network ear 14 comprises sleeve pipe and connects jig 28, tighten up screw 27, auricle 29, sleeve pipe connects jig 28 cylindrically, sleeve pipe connects jig 28 and is provided with the screw running through sleeve pipe, auricle 29 is fixedly connected on the external surface that sleeve pipe connects jig 28, auricle 29 is provided with the lacing hole 30 for connecting blanket net 7 away from sleeve pipe connection jig 28 one end, sleeve pipe connects jig 28 and is enclosed within outside moving guide rail 2, tighten up screw 27 to connect screw on jig 28 through sleeve pipe and can connect moving guide rail 2 in jig 28 by clamp sleeve, described blanket net 7 is connected with connection network ear 14 by the lacing hole 30 on auricle 29.The aperture that sleeve pipe connects side through hole in jig 28 is equal with the external diameter of moving guide rail 2.Spacing between the sliding bearing 26 that spacing roller bearing 19 is relative with its position is equal with the external diameter that described sleeve pipe connects jig 28.
Fixed support 4 is installed: along wire rope rail length direction, install one every 18m-24m, utilizes fixed support 4 screw rod to be fixed on factory building side column 5.Loudspeaker guide groove supporting base 9 and leading block 3 are installed: the corresponding fixed bearing of loudspeaker guide groove supporting base 9 is positioned at the screw on the angle steel on inside side column 5, and is bolted; The corresponding fixed bearing of leading block 3 is positioned at the screw on the angle steel on outside side column 5, and is bolted.The installation of connection network ear 14: the sleeve pipe of net ear is connected jig 28, is inserted in wire rope guide rail by 500mm spacing, tightens and tightens up screw 27 and be fixed on wire rope guide rail by net ear.Wire rope moving guide rail 2 is installed: wire rope moving guide rail 2 and safe blanket net Integral lifting, is mounted on loudspeaker guide groove supporting base 9 that leading block 3 and mobile security blanket net pass through automatically.(as shown in Figure 1) wire rope moving guide rail 2 is connected with electric winch 11: electric winch 11 is arranged on ground, and wire rope moving guide rail 2 at least rolls up 2 degree at electric winch 11 concave; Utilize Cable wire tightener to be tightened up by wire rope guide rail, and the joint of wire rope moving guide rail 2 is located at haulage cable place.
Electric winch 11 is arranged on the ground between two row's side columns, moving guide rail 2 links on electric winch 11, electric winch 11 just, reversion drives moving guide rail 2 to move, and make that moving guide rail 2 movement velocity inside two row's side columns is equal and the direction of motion is identical, safe blanket net 7 and moving guide rail 2 advanced in unison or retrogressing when moving guide rail 2 moves, the connection network ear 14 of safe blanket net 7 both sides runs into loudspeaker guide groove supporting base 9 and can slip over loudspeaker guide groove supporting base 9 smoothly, when connection network ear 14 is slipped over by loudspeaker guide groove supporting base 9, auricle 29 slips into limit sliding chutes 20 by the loudspeaker guide groove 18 of limit sliding chutes 20 side, support slot 21 is skidded off again by the loudspeaker guide groove 18 of limit sliding chutes 20 opposite side.When electric winch 11 does not work, the stopping means of loudspeaker guide groove supporting base 9 can effectively move by moving-limiting guide rail, and prevents from rocking before and after safe blanket net 7.
When construction operation, the remote controller (not shown) of electric winch 11 is carried with by the constructor on work high above the ground face, constructor is needed to control the movement automatically of safe blanket net 7 by remote controller according to construction, when remote controller controls electric winch 11 forward or reverse, electric winch 11 works and drives moving guide rail 2 to move, moving guide rail 2 moves to drive to be positioned at and to be connected to blanket net 7 on moving guide rail 2 and moving guide rail 2 advanced in unison or retrogressing inside two row's side columns, realize the movement automatically of safe blanket net 7, the connection network ear 14 being connected to safe blanket net 7 both sides can automatically by loudspeaker guide groove supporting base 9, do not need manually to unclamp simple and easy drag hook to high vacancy.
Above embodiment is only preferred embodiment of the present utility model, structure of the present utility model is not limited to the form that above-described embodiment is enumerated, structure as loudspeaker guide groove supporting base and connection network ear is easy to conversion, support slot as loudspeaker guide groove supporting base does not arrange rectangular, but upside is set to arc, or the sliding bearing of stopping means is changed to other bearing; For another example the sleeve pipe connection jig of connection network ear is also not limited to cylindrical shape, also can be square tube body etc., and all any amendments, equivalent replacement etc. done within spirit of the present utility model and principle, all should be included within protection domain of the present utility model.

Claims (8)

1. the loudspeaker guide groove supporting arrangement that automatically passes through of a mobile security blanket net, it is characterized in that, comprise fixed support (4), loudspeaker guide groove supporting base (9), connection network ear (14), described fixed support (4) is arranged on two rows' side column (5) of operation side both sides, described loudspeaker guide groove supporting base (9) is fixedly connected on fixed support (4) and goes up and be positioned at the inner side of side column (5), safe blanket net (7) is arranged on operation side two and arranges side column (5) inner side, and the both sides of safe blanket net (7) are connected with the moving guide rail (2) being positioned at two row's side column (5) inner sides by connection network ear (14), the moving guide rail (2) being positioned at two row's side column (5) inner sides supported by the loudspeaker guide groove supporting base (9) be arranged on fixed support (4), safe blanket net (7) and moving guide rail (2) advanced in unison or retrogressing when moving guide rail (2) is mobile, the connection network ear (14) of safe blanket net (7) both sides runs into loudspeaker guide groove supporting base (9) and can slip over loudspeaker guide groove supporting base (9) smoothly.
2. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 1, it is characterized in that, described loudspeaker guide groove supporting base (9) comprises support slot (21), be connected to the mounting seat (22) bottom support slot (21) two ends, described support slot (21) is overall rectangular, the inside side walls of support slot (21) is provided with the limit sliding chutes (20) running through this sidewall surfaces externally and internally, the two ends of limit sliding chutes (20) are connected to the loudspeaker guide groove (18) be interconnected with limit sliding chutes (20), and loudspeaker guide groove (18) from inside to outside its opening increase as horn-like gradually, loudspeaker guide groove supporting base (9) is fixedly connected on fixed support (4) by mounting seat (22).
3. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 2, it is characterized in that, the both sides of described mounting seat (22) are respectively equipped with fixed bolt hole (25), and loudspeaker guide groove supporting base (9) is fixedly connected on fixed support (4) through fixing threaded hole by bolt.
4. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 3, is characterized in that, described mounting seat (22) upper surface is also connected with ribs (23).
5. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 2, it is characterized in that, stopping means is respectively equipped with at the two ends of described limit sliding chutes (20), this stopping means comprises the spacing roller bearing (19) that is arranged on limit sliding chutes (20) upside and is arranged on sliding bearing (26) on the downside of limit sliding chutes (20) and corresponding with spacing roller bearing (19) position, the two ends of described spacing roller bearing (19) are supported on the outboard sidewalls of support slot (21) respectively, described limit sliding chutes (20) downside is provided with the bearing pin (24) be supported on support slot (21) outboard sidewalls, this bearing pin (24) is positioned at immediately below spacing roller bearing (19) simultaneously, described sliding bearing (26) is sleeved on bearing pin (24).
6. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 5, it is characterized in that, described connection network ear (14) comprises sleeve pipe and connects jig (28), tighten up screw (27), auricle (29), sleeve pipe connects jig (28) cylindrically, sleeve pipe connects jig (28) and is provided with the screw running through sleeve pipe, auricle (29) is fixedly connected on the external surface that sleeve pipe connects jig (28), auricle (29) is provided with the lacing hole (30) for connecting safe blanket net (7) away from sleeve pipe connection jig (28) one end, sleeve pipe connects jig (28) and is enclosed within moving guide rail (2) outward, tighten up screw (27) to connect screw on jig (28) through sleeve pipe and can connect moving guide rail (2) in jig (28) by clamp sleeve, described safe blanket net (7) is connected with connection network ear (14) by the lacing hole (30) on auricle (29), when connection network ear (14) is slipped over by loudspeaker guide groove supporting base (9), auricle (29) slips into limit sliding chutes (20) by the loudspeaker guide groove (18) of limit sliding chutes (20) side, support slot (21) is skidded off again by the loudspeaker guide groove (18) of limit sliding chutes (20) opposite side.
7. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 6, it is characterized in that, the spacing between the sliding bearing (26) that described spacing roller bearing (19) is relative with its position is equal with the external diameter that described sleeve pipe connects jig (28).
8. the loudspeaker guide groove supporting arrangement that automatically passes through of mobile security blanket net as claimed in claim 6, it is characterized in that, it is equal with the external diameter of moving guide rail (2) that described sleeve pipe connects jig (28) interior side through hole.
CN201420578378.5U 2014-10-08 2014-10-08 The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically Expired - Fee Related CN204199735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420578378.5U CN204199735U (en) 2014-10-08 2014-10-08 The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420578378.5U CN204199735U (en) 2014-10-08 2014-10-08 The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically

Publications (1)

Publication Number Publication Date
CN204199735U true CN204199735U (en) 2015-03-11

Family

ID=52657707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420578378.5U Expired - Fee Related CN204199735U (en) 2014-10-08 2014-10-08 The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically

Country Status (1)

Country Link
CN (1) CN204199735U (en)

Similar Documents

Publication Publication Date Title
CN201381166Y (en) Hanging-point adjustable transverse hanging beam
CN103613031B (en) Voltage transformer simple and easy hoisting device
US20170247236A1 (en) Rope guidance for second device used on durahoist arm
CN203755640U (en) Slope surface scaffold pedestal device
CA2652068A1 (en) Push / pull unit and support structure for snubbing unit or the like on a rig floor
CN204328407U (en) Based on the automatic lifting monitoring camera device of high pole lamp
CN204199734U (en) A kind of safe blanket net of automatic control movement
CN103979438A (en) Auxiliary device for disassembling tower crane attachment bracket
CN204199735U (en) The loudspeaker guide groove supporting arrangement that mobile security blanket net passes through automatically
CN204038927U (en) Construction machinery and equipment and the safety device for aloft work thereof
CN202391136U (en) Concrete pumping equipment and safe positioning device of tail end hose thereof
CN209762657U (en) Novel leveling laser positioner fixing device
CN104343244B (en) A kind of safe blanket net automatically controlling movement
CN203959697U (en) The equalizing bar of hoisting platform truss
CN103322298B (en) Pulley bracket for cable laying in tunnel
CN205417233U (en) Turn to fixed bolster with adjustable inner ratchet compensation in tunnel is casted anchor
CN204737704U (en) Be used for special hanging flower basket of wiping line installation
CN205170234U (en) Cantilever crane
JP2014143871A (en) Fixture for overhead wire lean-over instrument and method of fixing overhead wire lean-over instrument by using the same
CN203959108U (en) A kind of telescopic coal spout
CN202658521U (en) Overhauling system of stayed cable of single plane cable stayed bridge
CN105972316A (en) Extensible pore type bridge
CN205114859U (en) Full track way hangs formula place handling machinery
CN205189394U (en) Outer wall operation device
CN207233394U (en) A kind of non-rectilinear length of tube debugging apparatus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20181008