CN209766817U - Slide wire track - Google Patents

Slide wire track Download PDF

Info

Publication number
CN209766817U
CN209766817U CN201920684229.XU CN201920684229U CN209766817U CN 209766817 U CN209766817 U CN 209766817U CN 201920684229 U CN201920684229 U CN 201920684229U CN 209766817 U CN209766817 U CN 209766817U
Authority
CN
China
Prior art keywords
track
slide
area
wire
slide wire
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
CN201920684229.XU
Other languages
Chinese (zh)
Inventor
孟祥伍
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.)
BEIJING ZHONGSHENG BOFANG ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY Co Ltd
Original Assignee
BEIJING ZHONGSHENG BOFANG ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING ZHONGSHENG BOFANG ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY Co Ltd filed Critical BEIJING ZHONGSHENG BOFANG ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY Co Ltd
Application granted granted Critical
Publication of CN209766817U publication Critical patent/CN209766817U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R41/00Non-rotary current collectors for maintaining contact between moving and stationary parts of an electric circuit

Abstract

The utility model relates to a slide-wire track, including a plurality of track sections (1) that connect gradually end to end, track section (1) includes up end (11), lower terminal surface (12) and is located two side end faces (13) between up end (11) and lower terminal surface (12), track section (1) cross section is labyrinth form, includes slide-wire groove (14) and the current collector installation region (15) that set up along the length direction extension of track section (1), communicate each other; the structure reinforcing area (16) is arranged between the upper end face (11) and the sliding groove (14), and the two adjacent track sections (1) respectively extend into the two track sections (1) through the two ends of the connecting pipe (2) and are connected through the structure reinforcing area (16). The utility model discloses reduce the environment and to the influence of slide-wire work, prolonged the life of parts such as slide-wire. The slide wire can not move away from the track, and the slide wire bends along with the track when the track bends, so that the synchronism of the current collector can be maintained without other devices.

Description

slide wire track
Technical Field
The utility model relates to a slide-wire equipment technical field, in particular to slide-wire track of multi-functional multipurpose.
Background
The power is got by generally adopting a slide wire (slide wire) mode when equipment such as monitoring, inspection, camera shooting, carrying and the like moves on a track, and generally, the slide wire in the prior art has several relations with the track, for example, the slide wire is hung externally on the outer side of the track, or the slide wire is fixed on the side surface of the track, for the condition of fixing the slide wire on the side surface of the track, most slide wire tracks in the prior art adopt a track, a slide wire is laid on the side surface of the track in parallel, and only a fixed mounting support is arranged between the track and the slide wire, and no other contact exists. The above prior art has the following problems: 1. the field working environment is severe, the dust is large, and the vibration is large; 2. the slide wire is easy to cause obvious sparks in a fully-exposed environment to generate open fire; 3. the slide wire and the track are asynchronous, the distance is not uniform, and the current collector (a device which should be in continuous contact with the slide wire) is frequently separated from the slide wire during operation; 4. the upper surface of the track is not closed and is not shielded, the slide wire is easy to damage, and the installation and debugging process is complicated. To the application example of carrying the cable platform truck on the track among the prior art, it is usually that slide-wire and track combination are as an organic whole, and when the distance is shorter, only a few preceding cable platform trucks move back-and-forth movement, lead to only hanging the flexible cable that carries on above a few preceding cable platform trucks and do extensive bending and stretching action repeatedly, especially in adverse circumstances such as low temperature, the flexible cable that this kind of setting leads to a few preceding cable platform trucks on often appears tiredly and ageing fracture problem, has reduced the holistic life of cable.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to the aforesaid not enough, provide a multi-functional multipurpose slide-wire track of embedded slide-wire.
The utility model discloses a realize through following technical scheme: a slide wire track comprises a plurality of track sections which are sequentially connected end to end, wherein each track section comprises an upper end surface, a lower end surface and two side end surfaces positioned between the upper end surface and the lower end surface, the cross section of each track section is in a labyrinth shape and comprises slide wire grooves which are arranged in an extending mode along the length direction of the track section and are communicated with each other and a current collector installation area; the structure strengthening area is arranged between the upper end face and the sliding groove, and the two adjacent track sections respectively extend into the two track sections through the two ends of the connecting pipe to be connected with the structure strengthening area. Because the slide wire is arranged in the slide wire groove in the track, the slide wire is prevented from being directly contacted with a severe environment, and the influence of dust on the slide wire is avoided, so that the service life of the slide wire can be prolonged, and the faults during the operation of the slide wire are reduced. In addition, the track with the labyrinth-shaped section is adopted, so that the bending resistance of the track of the utility model is enhanced compared with that of a common track.
Further, a first reserved area is arranged between the slide groove and the side end face on the left side, and the collector mounting area is located between the slide groove and the side end face on the right side.
Further, a second reserved area and a third reserved area are respectively arranged on the left side and the right side of the structure reinforcing area.
Further, a pulling rope set is arranged in the second reserved area and the third reserved area, the pulling rope set comprises a pulling rope and a supporting plate piece, the supporting plate piece is arranged on the pulling rope, and the supporting plate piece is close to the second reserved area and the third reserved area in height direction. The pulling rope sets in the second reserved area and the third reserved area are beneficial to improving the bending resistance of the slide line rail, so that the slide line rail can be used in a large-span and long-distance environment.
Furthermore, the lower end face is provided with an opening in an extending mode along the length direction of the track section, and a plurality of staggered short plates are arranged on the inner side of the opening to form a dustproof area.
Furthermore, dustproof devices are arranged among the short plates.
Furthermore, the opening is provided with a dustproof device.
Further, a fault self-rescue area is arranged on the left side of the dustproof area, and a current collector mounting area is arranged on the right side of the dustproof area.
Furthermore, the track is made of high-quality light materials.
Further, the high-quality light material is aluminum alloy, stainless steel or glass fiber reinforced plastic.
Furthermore, the outer sides of the upper end surfaces of two adjacent track sections are provided with a connecting block, and the connecting block, the upper end surface and the connecting pipe are integrally connected.
The utility model has the advantages and effects that:
1. The utility model provides a slide-wire track sets up end, lower terminal surface and both sides terminal surface, sets up slide-wire groove in it, sets up the slide-wire inside this slide-wire track, adopts closed structure, has reduced the influence of environment to slide-wire work, has prolonged the life of parts such as slide-wire. The slide wire can not move away from the track, and the slide wire is bent along with the track when the track is bent, so that the synchronism of the current collector can be maintained without other devices. When the rail is required to be bent, the customized matching rail with various bending angles can be additionally installed.
2. The utility model provides a slide-wire track cross-section presents the labyrinth form, and it is provided with multiple functional areas, if: the structure reinforcing region, dustproof region, reserved area and the trouble area of saving oneself of track resistance to deformation, the cross-section department can be filled with rubber materials between track and the track, realizes whole track shock attenuation effect. The integrated traveling crane power transmission system is small in size, light in weight and convenient to install, and can be widely applied to harsh environments, such as the mobile traveling crane power transmission systems of enterprises in the metallurgical industry, the power industry, mines, ports and other enterprises with high pollution, high dust and the like.
3. The utility model provides a slide-wire track is equipped with dust keeper, can reduce or stop the dust and get into the region that the slide-wire belongs to, has improved the security of slide-wire.
Drawings
Fig. 1 shows a schematic structural diagram of a slide wire track provided by the present invention;
Fig. 2 shows a schematic structural view of another angle of the slide wire track provided by the present invention;
Fig. 3 shows a schematic cross-sectional view of a slide wire rail provided by the present invention.
fig. 4 shows the anti-bending measure schematic diagram of the slide wire track provided by the present invention.
Fig. 5 shows a schematic structural diagram of the slide wire track provided by the present invention at the connecting port, and this structure shows the connecting block, the connecting pipe and the fault self-rescue batten.
Fig. 6 shows a schematic layout of a dust-proof device for a slide wire rail provided by the present invention.
Description of reference numerals: 1-track section, 11-upper end face, 12-lower end face, 13-side end face, 14-slide groove, 15-collector installation region, 16-structure reinforcing region, 161-reinforcing rib, 17-first reserved region, 18-dustproof region, 19-fault self-rescue region, 2-connecting pipe, 20-opening, 21-short plate, 22-second reserved region, 23-third reserved region, 24-pulling rope, 25-supporting plate, 26-lath, 27-rubber dustproof strip, 28-dustproof brush, 3-connecting block and 4-slide line.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following drawings in the embodiments of the present invention are combined to perform more detailed description on the technical solution in the embodiments of the present invention. The described embodiments are some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention. The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.
Fig. 1 and 2 show a schematic structural diagram of an embodiment of a slide-wire track provided by the present invention, and fig. 3 shows a schematic cross-sectional diagram of an embodiment of a slide-wire track provided by the present invention, the slide-wire track includes a plurality of track sections 1 connected end to end in sequence, each track section 1 includes an upper end surface 11, a lower end surface 12 and two side end surfaces 13 located between the upper end surface 11 and the lower end surface 12, the cross section of the track section 1 is in a labyrinth shape, and includes a slide-wire groove 14 and a current collector installation area 15 which are arranged along the length direction of the track section 1 and are mutually communicated; a structural reinforcing area 16 is arranged between the upper end face 11 and the slide wire groove 14, and two adjacent track sections 1 are connected by the structural reinforcing area 16 of the two track sections to be connected which are respectively inserted into the two ends of the connecting pipe 2. The slide wire groove 14 is used for installing the slide wire 4, and the collector installing area 15 is used for installing a collector which is used for being in contact connection with the slide wire 4 and obtaining electric energy from the slide wire 4. Because the slide wire is arranged in the slide wire groove in the track, the slide wire is prevented from being directly contacted with a severe environment, and the influence of dust on the slide wire is avoided, so that the service life of the slide wire can be prolonged, and the faults during the operation of the slide wire are reduced. In addition, the track with the labyrinth-shaped section is adopted, so that the track of the utility model has stronger bending resistance than the common track.
when the rail is required to be bent, the customized matching rail with various bending angles can be additionally installed. The cross section between the rails can be filled with rubber materials, so that the damping effect of the whole rail is realized.
as can be seen from fig. 3, the track section 1 comprises several areas, for example an upper left second reserved area 22, an upper structural reinforcement area 16, an upper right third reserved area 23, a middle left first reserved area 17, a middle slide wire groove 14, a lower right collector mounting area 15 adjacent to the slide wire groove 14, a lower left failure relief area 19, and a lower middle dust protection area 18.
Longitudinal reinforcing ribs 161 are arranged on the left and right of the structural reinforcing area 16 to improve the overall structural rigidity of the rail and avoid the rail from being distorted and deformed during installation and use. Two adjacent track sections 1 are connected by a connecting pipe 2. Simultaneously, the upside of the up end 11 of two adjacent track sections 1 sets up a connecting block 3, up end 11 and connecting pipe 2 pass through screw or rivet or other forms's fixed connection mode body coupling, make the structure more firm, and connecting block 3 can be used to this slide-wire orbital ceiling installation or hoist and mount, hang the track and establish the sky at the application place to make things convenient for the application of equipment such as control, tour, make a video recording, delivery of installation on the track.
A first reserved area 17 is provided between the chute groove 14 and the left side end face 13, and a collector mounting area 15 is provided between the chute groove 14 and the right side end face 13. On the left and right of the structural reinforcement area 16, a second and a third reserved area 22,23 are provided, respectively, which reserved areas (17,22,23) are used for the performance expansion of the slide rail. The first reserved area 17 is a multifunctional reserved area and can be used for connecting slide lines and expanding the reserved area, and the second reserved area 22 and the third reserved area 23 are reserved areas of a passive walking mechanism and are used for arranging driving facilities of the passive walking mechanism in a passive walking mode, for example, pulling rope sets or connecting ropes made of other materials are arranged in the second reserved area 22 and the third reserved area 23.
As shown in fig. 4, a schematic diagram of the anti-bending measure of the slide-wire track is that the second reserved area 22 and the third reserved area 23 expand the performance of the slide-wire track, specifically, a pulling rope set resisting the track bending is embedded at both ends (22,23) of the upper part in the track to reduce the deformation degree of the track, the pulling rope set comprises a pulling rope 24 and a supporting plate 25, the supporting plate 25 is close to the height of the second reserved area 22 and the third reserved area 23 of the slide-wire track in the height direction and is used for abutting against the upper wall and the lower wall of the reserved areas so as to enhance the rigidity of the slide-wire track, and the pulling rope 24 is used for connecting the supporting plates 25. Because the pulling rope 24 and the supporting plate 25 are arranged in the second reserved area 22 and the third reserved area 23, and the supporting plate 25 abuts against the upper wall and the lower wall of the reserved areas, the rigidity of the slide-wire track is greatly improved, so that the slide-wire track can be applied to large-span and long-distance application occasions, such as coal yards, sand yards, mine yards, grain yards or other large-area material accumulation places with the length of 50-500.
Than the pure thick tractive rope of adopting and fill second reserved area 22 and third reserved area 23, the utility model discloses a tractive rope group has adopted the form of tractive rope 24 with the combination of supporting plate 25, can be so that the weight lightweight of tractive rope group, can strengthen orbital rigidity simultaneously.
The pulling rope 24 may be a steel wire rope or a newly developed fire-resistant high-strength nano rope, such as a nano rope of hydroxyapatite material.
A fault self-rescue area 19 and a dust-proof area 18 are arranged between the sliding groove 14 and the lower end face 12, a connecting device of a pulling rope or other materials is arranged in the fault self-rescue area 19, as shown in fig. 5, the connecting device can be a section of batten 26, and can also be of other structures, and the connecting device in the fault self-rescue area 19 can support an active walking operation mode and a passive walking operation mode and is used for self-rescue actions when the track is in fault.
As shown in fig. 6, an opening 20 is provided in the lower end surface 12 extending in the longitudinal direction of the track segment 1, and a plurality of protruding short plates 21 are provided near the opening 20 to form the dust-proof area 18. The dustproof area 18 is communicated with the fault self-rescue area 19 and the collector mounting area 15, the collector mounting area 15 is communicated with the slide groove 14, and the communication openings of the areas extend along the length direction of the track section 1. Dust-proof devices such as high-density dust-proof brushes 28 and rubber dust-proof strips 27 arranged in an opposite overlapping manner are arranged between the short plates 21 and near the opening 20, so that the dust-proof performance of the slide line track can be ensured.
The slide wire track is made of high-quality light materials such as aluminum alloy, stainless steel or glass fiber reinforced plastic through integral forming.
The utility model discloses a multi-functional multipurpose slide-wire track still has the characteristics of following multi-functional multipurpose:
The reserved areas (17,22,23) of the running gear of various preset modes of the track are fully utilized, for example:
1. The active walking mode comprises the following steps: the upper end surface 11, the lower end surface 12 and the left and right side end surfaces 13 are used for active walking, and the motor is arranged on the surfaces of the track and directly drives the track.
2. Passive walking mode 1: the inside passive walking is realized by utilizing the three area spaces of the middle and lower reserved areas 17, 19 and 20 in the left side of the track.
3. Passive walking mode 2: the inside passive walking is realized by utilizing the space of the upper and lower reserved areas 22, 19 and 20 in the left side of the track.
4. Passive walking mode 3: the inside passive walking is realized by utilizing the space of the upper and lower reserved areas 23, 15 and 20 in the right side of the track.
The utility model discloses a multi-functional multipurpose slide-wire track, its inside labyrinth form check body that sets to, holistic track rigidity is fine, and the resistance to deformation ability is strong, need not to set up power and signal lift line in addition, and track itself adopts light-duty material moreover, and unit length's weight is very little. Additionally, the utility model discloses a multi-functional multipurpose slide-wire track has multiple power transmission functional area on a track, provides the power supply for carry different measurement body, structure.
The multifunctional multipurpose slide wire track of the utility model has various application environments, for example, can be installed and applied in an installation environment; the device can also be installed and applied in an aerial hoisting environment; and the device can also be installed and applied in an environment with ultra-long span (more than two hundred meters).
The above embodiments are only used to illustrate the technical solutions of the present invention, and are not used to limit the scope of the present invention. However, all equivalent changes and modifications made within the scope of the present invention should be considered as falling within the scope of the present invention.

Claims (10)

1. A slide wire track comprises a plurality of track sections (1) which are sequentially connected end to end, wherein each track section (1) comprises an upper end surface (11), a lower end surface (12) and two side end surfaces (13) positioned between the upper end surface (11) and the lower end surface (12), and is characterized in that the cross section of each track section (1) is in a labyrinth shape and comprises slide wire grooves (14) which are arranged in an extending manner along the length direction of the track section (1) and are communicated with each other and a collector installation area (15); the structure reinforcing area (16) is arranged between the upper end face (11) and the sliding groove (14), and the two adjacent track sections (1) respectively extend into the two track sections (1) through the two ends of the connecting pipe (2) and are connected through the structure reinforcing area (16).
2. The slide track according to claim 1, characterized in that a first reserved area (17) is provided between the slide groove (14) and the left side end face (13), the collector mounting area (15) being located between the slide groove (14) and the right side end face (13).
3. Slide wire track according to claim 2, characterised in that a second (22) and a third (23) reserved area are provided on the left and right side of the structural reinforcement area (16), respectively.
4. The slide track according to claim 3, characterized in that a set of pulling ropes is arranged in the second (22) and third (23) reserved areas, which set of pulling ropes comprises a pulling rope (24) and a supporting sheet (25), which supporting sheet (25) is arranged on the pulling rope (24), which supporting sheet (25) is in the height direction close to the height of the second (22) and third (23) reserved areas.
5. The slide wire track according to claim 1, characterized in that the lower end surface (12) is provided with an opening (20) extending in the length direction of the track section (1), and that inside the opening (20) several staggered short plates (21) are provided to form a dust-tight area (18).
6. The slide wire track according to claim 5, characterized in that dust-proof means are arranged between several of said short plates (21).
7. The slide wire track according to claim 5, characterized in that dust-proof means are provided at the opening (20).
8. Slide wire track according to claim 5, characterised in that a fail-safe area (19) is provided on the left side of the dust-tight area (18) and on the right side of the dust-tight area (18) is a collector mounting area (15).
9. The slide wire track according to any one of claims 1 to 8, wherein the track is made of a high-quality light material.
10. the slide wire track as claimed in claim 9, wherein the high quality light material is aluminum alloy, stainless steel or glass fiber reinforced plastic.
CN201920684229.XU 2019-05-06 2019-05-14 Slide wire track Active CN209766817U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920634742 2019-05-06
CN2019206347428 2019-05-06

Publications (1)

Publication Number Publication Date
CN209766817U true CN209766817U (en) 2019-12-10

Family

ID=67489882

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201920684229.XU Active CN209766817U (en) 2019-05-06 2019-05-14 Slide wire track
CN201910398185.9A Pending CN110112627A (en) 2019-05-06 2019-05-14 A kind of slip track

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201910398185.9A Pending CN110112627A (en) 2019-05-06 2019-05-14 A kind of slip track

Country Status (1)

Country Link
CN (2) CN209766817U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110112627A (en) * 2019-05-06 2019-08-09 北京中盛博方环保工程技术有限公司 A kind of slip track

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112942785A (en) * 2019-12-11 2021-06-11 上海雅跃智能科技有限公司 Climbing frame with running rail

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807792C2 (en) * 1998-02-19 2000-01-27 Mannesmann Ag Connector for two successive conductor line sections
DE102008045482B4 (en) * 2008-09-03 2017-12-21 Conductix-Wampfler Gmbh Conductor line, pantograph and conductor rail system
DE102009034792A1 (en) * 2009-07-25 2011-01-27 Demag Cranes & Components Gmbh Arrangement for connecting two successive conductor rail rails
CN202030458U (en) * 2011-04-27 2011-11-09 中冶建工集团有限公司 Slide wire device of crane
CN202308738U (en) * 2011-11-08 2012-07-04 武汉钢铁(集团)公司 One pole combined type safety slide contact line telescoping device
CN103794962A (en) * 2014-02-21 2014-05-14 中冶南方工程技术有限公司 Closed type combined trolley conductor device suitable for poor working condition
CN107565495A (en) * 2017-10-11 2018-01-09 扬州市天海滑线电气有限公司 Cable slide wire guide track system
CN107742813A (en) * 2017-10-11 2018-02-27 扬州市天海滑线电气有限公司 Intersect current collection slide-wire guide rails
CN207812188U (en) * 2018-01-22 2018-09-04 中唐空铁科技有限公司 Empty iron rail system
CN208150797U (en) * 2018-03-19 2018-11-27 中建八局第三建设有限公司 A kind of gantry crane slick line device
CN109546510A (en) * 2018-09-12 2019-03-29 无锡市施捷龙电气科技有限公司 The dedicated trolley of construction elevator
CN209766817U (en) * 2019-05-06 2019-12-10 北京中盛博方环保工程技术有限公司 Slide wire track

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110112627A (en) * 2019-05-06 2019-08-09 北京中盛博方环保工程技术有限公司 A kind of slip track

Also Published As

Publication number Publication date
CN110112627A (en) 2019-08-09

Similar Documents

Publication Publication Date Title
CN209766817U (en) Slide wire track
CN208939529U (en) A kind of electric power cable bearer convenient for adjusting
CN105000482A (en) Tower crane with running mechanism
CN109399420B (en) Modularized elevator
MX2007012961A (en) Elevator with two superimposed cars in one shaft .
CN110626944A (en) Gear driving device for monorail hoist
CN208895407U (en) A kind of mechanical arm configuration of elevator car bottom welding
CN109398386B (en) Rail car with combined control operation loop
CN212769259U (en) Adjustable magnetic type traveling cable fixing structure
CN115321357A (en) Single track hangs gear drive system
CN216662282U (en) Material handling device for tunnel construction
CN212712442U (en) Anti-collision device of crane for civil engineering bridge construction
EP3901080A1 (en) Elevator system and elevator car
CN212198034U (en) Elevator lifting platform
CN213553450U (en) Track system
CN110284614B (en) Energy dissipation and vibration reduction device for connecting power transmission tower and insulator
CN210738583U (en) Concrete spraying vehicle with telescopic arm oil pipe drag chain device
KR101458203B1 (en) Car crane cabin lifter using single column actuator and rail type frame
CN205367482U (en) Non - rigid connection formula safety crane span structure
CN207792521U (en) It is equipped with the bridge-type explosion-proof crane of multi-functional drivers' cab
CN201381201Y (en) Built-in pipeline conveying system
CN218294510U (en) Electro-hydraulic flat gate with high stability
CN112850437A (en) Installation mechanism between elevator sill and elevator landing door
CN211442323U (en) Rail-climbing device of tunnel lining construction trolley
CN105000484A (en) Tower crane capable of being connected with building

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant