CN110566246B - Tunnel arc-shaped side top plate laying device and method - Google Patents

Tunnel arc-shaped side top plate laying device and method Download PDF

Info

Publication number
CN110566246B
CN110566246B CN201910933611.4A CN201910933611A CN110566246B CN 110566246 B CN110566246 B CN 110566246B CN 201910933611 A CN201910933611 A CN 201910933611A CN 110566246 B CN110566246 B CN 110566246B
Authority
CN
China
Prior art keywords
plate
arc
fixedly connected
shaped
rod
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
CN201910933611.4A
Other languages
Chinese (zh)
Other versions
CN110566246A (en
Inventor
陈虎
李东江
陈学龙
温宏
文亚平
王亚君
柯尊国
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.)
First Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Original Assignee
First Engineering Co Ltd of China Railway 17th Bureau Group 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 First Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd filed Critical First Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Priority to CN201910933611.4A priority Critical patent/CN110566246B/en
Publication of CN110566246A publication Critical patent/CN110566246A/en
Application granted granted Critical
Publication of CN110566246B publication Critical patent/CN110566246B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Abstract

The invention discloses a tunnel arc-shaped side top plate laying device and a using method thereof, wherein the tunnel arc-shaped side top plate laying device comprises a bottom plate and is characterized in that: the utility model discloses a rail fixing device, including the bottom plate, the upside of a set of evenly distributed's montant one is fixed connection circular arc board two respectively, the upside fixed connection circular arc board one of circular arc board two, the one end fixed connection baffle one of circular arc board one, the other end fixed connection baffle two of circular arc board one, be provided with the track one of two sets of symmetries on the circular arc board one, be provided with the track two of two sets of symmetries on the circular arc board one, every the track one communicates the correspondence respectively track two, the both ends of circular arc board one are provided with a set of evenly distributed's recess one respectively, be provided with moving mechanism on the circular arc board one, be provided with swing mechanism on the bottom plate. The invention relates to the field of engineering equipment, in particular to a tunnel arc-shaped side top plate laying device and method. The invention is convenient for laying the arc-shaped side top plate of the tunnel.

Description

Tunnel arc-shaped side top plate laying device and method
Technical Field
The invention relates to the field of engineering equipment, in particular to a tunnel arc-shaped side top plate laying device and method.
Background
Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel. When the tunnel is constructed, a shield machine needs to be used for excavating in advance, and then the ground is leveled. And (3) supporting the tunnel by using the arc-shaped side top plate, and filling cement in a gap between the tunnel and the arc-shaped side top plate.
At present, no special equipment is used for laying the arc-shaped side top plate. The arc-shaped side top plate is firstly transported to the place by mainly using equipment, and then is erected manually. By adopting the mode, a large amount of manpower and material resources are wasted. This is a disadvantage of the prior art.
Disclosure of Invention
The invention aims to provide a device and a method for laying an arc-shaped side top plate of a tunnel, which are convenient for laying the arc-shaped side top plate of the tunnel.
The invention adopts the following technical scheme to realize the purpose of the invention:
a tunnel arc side roof laying device and a using method thereof comprise a bottom plate and are characterized in that: the utility model discloses a rail fixing device, including the bottom plate, the upside of a set of evenly distributed's montant one is fixed connection circular arc board two respectively, the upside fixed connection circular arc board one of circular arc board two, the one end fixed connection baffle one of circular arc board one, the other end fixed connection baffle two of circular arc board one, be provided with the track one of two sets of symmetries on the circular arc board one, be provided with the track two of two sets of symmetries on the circular arc board one, every the track one communicates the correspondence respectively track two, the both ends of circular arc board one are provided with a set of evenly distributed's recess one respectively, be provided with moving mechanism on the circular arc board one, be provided with swing mechanism on the bottom plate.
As a further limitation of the technical scheme, the moving mechanism comprises a group of uniformly distributed round balls, the round balls are hinged to the first arc plates respectively, rotating wheels are arranged in the first grooves respectively, the centers of the rotating wheels are fixedly connected with output shafts of first motors respectively, and the first motors are fixedly connected with the first arc plates respectively.
As the further limitation of the technical scheme, the swing mechanism comprises an L-shaped plate, one side of the bottom plate is fixedly connected with one side of the L-shaped plate, a groove II is formed in a vertical plate of the L-shaped plate, a symmetrical round rod III is fixedly connected to the vertical plate of the L-shaped plate, and a motor III is fixedly connected to one side of the L-shaped plate.
As a further limitation of the technical solution, an output shaft of the motor iii is fixedly connected to the center of a bevel gear ii, the symmetrical round rods iii are respectively and fixedly connected to the center of the bevel gear i, the symmetrical bevel gear i is respectively engaged with the bevel gear ii, and the bevel gear ii is matched with the groove ii.
As a further limitation of the technical scheme, the symmetrical first bevel gears are respectively and fixedly connected with one ends of connecting rods, the other ends of the symmetrical connecting rods are fixedly connected with one ends of hollow round rods, and round rods II are respectively arranged in the symmetrical hollow round rods.
As a further limitation of the technical scheme, one ends of the two symmetrical round rods are respectively and fixedly connected with the middle of the cross rod of the U-shaped plate.
As a further limitation of the technical scheme, the upper end of the vertical rod of each U-shaped rod is fixedly connected with a third vertical rod, the upper part of one side of the third vertical rod is fixedly connected with the lower part of a second vertical rod, the upper end of the second vertical rod is fixedly connected with an L-shaped pushing plate, and the third vertical rod is fixedly connected with a first round rod.
As a further limitation of the technical solution, each round bar one is respectively disposed in the corresponding track two, each vertical bar three is respectively disposed at the lower portion of the corresponding track one, and the lower portion of each vertical bar one is respectively disposed at the upper portion of the corresponding track one.
A method for laying an arc-shaped side top plate of a tunnel is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: sequentially placing a plurality of arc-shaped side top plates on the first arc-shaped plate, turning on the first motor, driving the rotating wheel to rotate by the first motor, driving the arc-shaped side top plates to move along the first arc-shaped plate by the rotating wheel, and filling the arc-shaped side top plates on the first arc-shaped plate;
step two: the third motor is turned on, the third motor drives the second bevel gear to rotate, the second bevel gear drives the first bevel gears to rotate reversely, the first bevel gears sequentially drive the hollow round rod, the second round rod, the U-shaped plate, the first vertical rod, the second vertical rod and the round rods to swing, the first vertical rods on two sides respectively drive the L-shaped push plates to swing, the L-shaped push plates on two sides respectively drive the arc-shaped side top plates to move towards the other side, and the two arc-shaped side top plates simultaneously move reversely and contact the ground;
step three: opening the first motor, and placing the new arc-shaped side top plate on the first arc plate;
step four: turning on a second motor to enable the wheels to rotate, enabling the device to move a distance of the arc-shaped side top plate in the direction opposite to the direction where the arc-shaped side top plate is laid, and turning off the second motor;
step five: and repeating the second step, the third step and the fourth step until the arc-shaped side top plate is fully paved in the tunnel.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) according to the device, a motor I drives a rotating wheel to rotate, and the rotating wheel drives an arc-shaped side top plate to move under the auxiliary action of a ball, so that the arc-shaped side top plate moves along a first arc plate;
(2) a first baffle plate, a second baffle plate and an L-shaped pushing plate of the device assist in fixing an arc-shaped side top plate on a first arc plate;
(3) the third motor of the device drives the second bevel gear to rotate, and the second bevel gear drives the first bevel gear to rotate, so that two groups of symmetrical L-shaped push plates can move reversely, and two arc-shaped side top plates can be arranged in an auxiliary mode;
(4) the radian of the first arc plate of the device is matched with the radian of the arc side top plate, so that the arc side top plate can move conveniently.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the first embodiment of the present invention.
Fig. 3 is a partially cut-away perspective view of the present invention.
Fig. 4 is a partial enlarged view of a in fig. 3 according to the present invention.
Fig. 5 is a partial perspective view of the second embodiment of the present invention.
Fig. 6 is a schematic view of a partial three-dimensional structure according to the present invention.
Fig. 7 is a partial perspective view illustrating a fourth embodiment of the present invention.
Fig. 8 is a schematic partial perspective view of the present invention.
Fig. 9 is a schematic diagram six of a partial three-dimensional structure of the present invention.
Fig. 10 is a schematic perspective view of the present invention.
In the figure: 1. the tunnel, 2, the gap, 3, the arc side top plate, 4, the bottom plate, 5, the first vertical rod, 6, the first motor, 7, the rotating wheel, 8, the first arc plate, 9, the first baffle, 11, the wheel, 12, the second motor, 13, the first groove, 14, the ball, 15, the second baffle, 16, the first rail, 17, the second rail, 18, the L-shaped pushing plate, 19, the second vertical rod, 20, the third vertical rod, 21, the first round rod, 22, the U-shaped plate, 23, the second round rod, 24, the hollow round rod, 25, the connecting rod, 26, the first bevel gear, 27, the second bevel gear, 29, the second arc plate, 30, the L-shaped plate, 31, the third round rod, 32, the third motor, 33 and the second groove.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 9, the invention includes a bottom plate 1, the upper side of the bottom plate 4 is fixedly connected to the lower sides of a group of uniformly distributed first vertical rods 5, the upper sides of a group of first vertical rods 5 are respectively and fixedly connected to a second circular arc plate 29, the upper side of the second circular arc plate 29 is fixedly connected to a first circular arc plate 8, one end of the first circular arc plate 8 is fixedly connected to a first baffle plate 9, the other end of the first circular arc plate 8 is fixedly connected to a second baffle plate 15, two groups of symmetrical first tracks 16 are arranged on the first circular arc plate 8, two groups of symmetrical second tracks 17 are arranged on the first circular arc plate 8, each first track 16 is respectively communicated with the corresponding second track 17, two ends of the first circular arc plate 8 are respectively provided with a group of uniformly distributed first grooves 13, the first circular arc plate 8 is provided with a moving mechanism, and the bottom plate.
The moving mechanism comprises a group of uniformly distributed round balls 14, the round balls 14 are hinged to the first arc plates 8 respectively, a rotating wheel 7 is arranged in each groove 13, the center of each rotating wheel 7 is fixedly connected with an output shaft of a motor 6, and each motor 6 is fixedly connected with the first arc plates 8 respectively.
Swing mechanism includes L shaped plate 30, one side fixed connection of bottom plate 4 one side of L shaped plate 30, be provided with recess two 33 on the riser of L shaped plate 30, three 31 of the round bar of fixed connection symmetry on the riser of L shaped plate 30, three 32 of one side fixed connection motor of L shaped plate 30.
An output shaft of the motor III 32 is fixedly connected with the center of a bevel gear II 27, the symmetrical round rods III 31 are respectively and fixedly connected with the center of a bevel gear I26, the symmetrical bevel gear I26 is respectively meshed with the bevel gear II 27, and the bevel gear II 27 is matched with the groove II 33.
The symmetrical bevel gears 26 are respectively and fixedly connected with one end of a connecting rod 25, the other end of the connecting rod 25 is fixedly connected with one end of a hollow round rod 24, and round rods 23 are respectively arranged in the hollow round rod 24.
One ends of the two symmetrical round rods 23 are respectively and fixedly connected with the middle of the cross rod of the U-shaped plate 22.
The upper end of a vertical rod of each U-shaped rod 22 is fixedly connected with a third vertical rod 20, the upper portion of one side of each third vertical rod 20 is fixedly connected with the lower portion of a second vertical rod 19, the upper end of each second vertical rod 19 is fixedly connected with an L-shaped pushing plate 18, and each third vertical rod 20 is fixedly connected with a first round rod 21.
Each round rod I21 is arranged in the corresponding track II 17, each vertical rod III 20 is arranged at the lower part of the corresponding track I16, and the lower part of each vertical rod I19 is arranged at the upper part of the corresponding track I16.
A method for laying arc-shaped side top plates of a tunnel comprises the following steps:
the method comprises the following steps: sequentially placing the arc-shaped side top plates 3 on the arc-shaped plate I8, turning on the motor I6, driving the rotating wheel 7 to rotate by the motor I6, and driving the arc-shaped side top plates 3 to move along the arc-shaped plate I8 by the rotating wheel 7, so that the arc-shaped side top plates 3 are fully filled on the arc-shaped plate I8;
step two: the third motor 32 is turned on, the third motor 32 drives the second bevel gear 27 to rotate, the second bevel gear 27 drives the first bevel gears 26 to reversely rotate, the first bevel gears 26 sequentially drive the hollow round rod 24, the second round rod 23, the U-shaped plate 22, the first vertical rods 19, the second vertical rods 20 and the round rod 21 to swing, the first vertical rods 19 on two sides respectively drive the L-shaped push plates 18 to swing, the L-shaped push plates 18 on two sides respectively drive the arc-shaped side top plates 3 to move towards the other side, and the two arc-shaped side top plates 3 are enabled to simultaneously reversely move and contact the ground;
step three: opening the first motor 6, and placing the new arc-shaped side top plate 3 on the first arc plate 8;
step four: turning on a second motor 12 to enable the wheels 11 to rotate, enabling the device to move a distance of the arc-shaped side top plate 3 in the direction opposite to the direction where the arc-shaped side top plate 3 is paved, and turning off the second motor 12;
step five: and repeating the second step, the third step and the fourth step until the arc-shaped side top plate 3 is fully paved in the tunnel.
Two sides of the bottom plate 4 are respectively hinged with a group of wheels 11, the bottom plate 4 is fixedly connected with a plurality of second motors 12, and each of the second motors 12 is respectively and fixedly connected with the centers of the corresponding wheels 11.
The first arc plate 8 is matched with the arc-shaped side top plate 3, a gap 2 is formed between the arc-shaped side top plate 3 and the tunnel 1 when the arc-shaped side top plate 3 is installed in place, and cement is filled in the gap 2.
The model of the motor I6 is 110BYG 250B.
The model of the second motor 12 is 57BYG 250H.
The model of the motor III 32 is PLF 120.
The length of the second baffle 15 is longer than that of the first baffle 9 by the width of the arc-shaped side top plate 3.
The length of the first arc plate 8 is longer than that of the second baffle plate 15 by the width of the arc-shaped side top plate 3.
The working process of the invention is as follows: the arc-shaped side top plate 3 is placed on the arc-shaped plate I8, the motor I6 is started, the motor I6 drives the rotating wheel 7 to rotate, the rotating wheel 7 drives the arc-shaped side top plate 3 to move, and the arc-shaped side top plate 3 drives the ball 14 to rotate. The next arc-shaped side top plate 3 is contacted with the first arc-shaped plate 8 and the last arc-shaped side top plate 3 at the same time. And turning off the first motor 6 until the arc-shaped side top plate 3 is fully paved on the first arc plate 8. At this moment, the most front end arc side top plate 3 is flush with the front end of one 8 arc plates, and the most rear end arc side top plate 3 is flush with the rear end of one 8 arc plates. The two arc-shaped side top plates 3 at the front end respectively contact the corresponding L-shaped pushing plates 18. The third motor 32 is turned on, the third motor 32 drives the second bevel gear 27 to rotate, the second bevel gear 27 drives the first bevel gear 26 to rotate, the rotation directions of the first bevel gears 26 are opposite, the first bevel gears 26 drive the connecting rods 25 to swing, the connecting rods 25 drive the hollow round rods 24 to swing, the hollow round rods 24 drive the second round rods 23 to swing, the second round rods 23 drive the U-shaped plates 22 to swing, the swinging directions of the two U-shaped plates 22 are opposite, and the U-shaped plate 22 on the side close to the first baffle 9 moves towards the direction far away from the first baffle 9.
U-shaped board 22 drives montant 19 and two 20 and moves along track 16, and two 20 drive round bar 21 and move along track two 17, and montant 19 drives L shape slurcam 18 and removes, and L shape slurcam 18 drives arc side roof 3 and moves along arc board 8, and until arc side roof 3 contact ground, reverse motor three 32 of opening makes L shape slurcam 18 reset, packs cement in gap 2.
And turning on a second motor 12 to rotate the wheels 11, moving the device to the opposite direction of the laid arc-shaped side top plate 3 by the distance of the arc-shaped side top plate 3, and turning off the second motor 12.
And opening a first motor 6, continuously moving the arc-shaped side top plate 3 on the first arc plate 8, simultaneously placing a new arc-shaped side top plate 3 on the first arc plate 8 until the rearmost arc-shaped side top plate 3 is flush with the rear end of the first arc plate 8, and closing the first motor 6. And opening the third motor 32 and laying the next group of arc-shaped side top plates 3.
And repeating the steps until the tunnel is laid.
The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (7)

1. The utility model provides a tunnel arc side roof laying device, includes bottom plate (4), characterized by: the upper side of the bottom plate (4) is fixedly connected with the lower sides of a group of uniformly distributed first vertical rods (5), the upper sides of a group of first vertical rods (5) are respectively and fixedly connected with a second arc plate (29), the upper sides of the second arc plates (29) are fixedly connected with a first arc plate (8), one end of the first arc plate (8) is fixedly connected with a first baffle plate (9), the other end of the first arc plate (8) is fixedly connected with a second baffle plate (15), two groups of symmetrical first tracks (16) are arranged on the first arc plate (8), two groups of symmetrical second tracks (17) are arranged on the first arc plate (8), each first track (16) is respectively communicated with the corresponding second track (17), two groups of uniformly distributed first grooves (13) are respectively arranged at two ends of the first arc plate (8), a moving mechanism is arranged on the first arc plate (8), a swinging mechanism is arranged on the bottom plate (4), and the swinging mechanism comprises an L-shaped plate (30), one side fixed connection of bottom plate (4) one side of L shaped plate (30), be provided with recess two (33) on the riser of L shaped plate (30), the round bar three (31) of fixed connection symmetry on the riser of L shaped plate (30), one side fixed connection motor three (32) of L shaped plate (30).
2. The tunnel arc side roof plate laying device according to claim 1, characterized in that: the moving mechanism comprises a group of uniformly distributed round balls (14), the round balls (14) are hinged to the first arc plate (8) respectively, a rotating wheel (7) is arranged in each groove (13), the center of each rotating wheel (7) is fixedly connected with an output shaft of a motor (6), and each motor (6) is fixedly connected with the first arc plate (8) respectively.
3. The tunnel arc side roof plate laying device according to claim 1, characterized in that: an output shaft of the motor III (32) is fixedly connected with the center of a bevel gear II (27), the symmetrical round rods III (31) are respectively and fixedly connected with the center of a bevel gear I (26), the symmetrical bevel gear I (26) is respectively meshed with the bevel gear II (27), and the bevel gear II (27) is matched with the groove II (33).
4. The tunnel arc side roof plate laying device according to claim 3, wherein: the symmetrical bevel gears I (26) are respectively and fixedly connected with one end of a connecting rod (25), the other end of the connecting rod (25) is fixedly connected with one end of a hollow round rod (24), and round rods II (23) are respectively arranged in the hollow round rods (24).
5. The tunnel arc side roof plate laying device according to claim 4, wherein: one ends of the second symmetrical round rods (23) are respectively and fixedly connected with the middle of the cross rod of the U-shaped rod (22).
6. The tunnel arc side roof plate laying device according to claim 5, wherein: the upper end of the vertical rod of each U-shaped rod (22) is fixedly connected with a third vertical rod (20), the upper portion of one side of the third vertical rod (20) is fixedly connected with the lower portion of a second vertical rod (19), the upper end of the second vertical rod (19) is fixedly connected with an L-shaped pushing plate (18), and the third vertical rod (20) is fixedly connected with a first round rod (21).
7. The tunnel arc side roof plate laying device according to claim 6, wherein: each round rod I (21) is arranged in the corresponding track II (17), each vertical rod III (20) is arranged on the lower portion of the corresponding track I (16), and the lower portion of each vertical rod II (19) is arranged on the upper portion of the corresponding track I (16).
CN201910933611.4A 2019-09-29 2019-09-29 Tunnel arc-shaped side top plate laying device and method Active CN110566246B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910933611.4A CN110566246B (en) 2019-09-29 2019-09-29 Tunnel arc-shaped side top plate laying device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910933611.4A CN110566246B (en) 2019-09-29 2019-09-29 Tunnel arc-shaped side top plate laying device and method

Publications (2)

Publication Number Publication Date
CN110566246A CN110566246A (en) 2019-12-13
CN110566246B true CN110566246B (en) 2020-11-03

Family

ID=68783186

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910933611.4A Active CN110566246B (en) 2019-09-29 2019-09-29 Tunnel arc-shaped side top plate laying device and method

Country Status (1)

Country Link
CN (1) CN110566246B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202768021U (en) * 2012-06-30 2013-03-06 中铁十二局集团第二工程有限公司 Waterproof board laying trolley
CN203441504U (en) * 2013-09-15 2014-02-19 中铁一局集团有限公司 Construction platform used for hanging waterproof board in tunnel
CN205036389U (en) * 2015-09-30 2016-02-17 中铁工程装备集团有限公司 Novel tunnel water proofing board is spread and is hung platform truck
CN206830207U (en) * 2017-04-05 2018-01-02 陕西中铁延惠机械有限公司 A kind of tunnel splash guard reinforcing steel bar laying device
CN108798727B (en) * 2018-08-02 2024-04-02 甘肃路桥第三公路工程有限责任公司 Tunnel self-propelled waterproof board cloth hanging steel bar positioning integrated multifunctional trolley and application
CN109736841B (en) * 2018-12-30 2020-06-30 中铁隧道局集团有限公司 Tunnel split type lining side wall lap joint longitudinal slot pouring end die and device

Also Published As

Publication number Publication date
CN110566246A (en) 2019-12-13

Similar Documents

Publication Publication Date Title
US20210372282A1 (en) Stepping anchor supporting robot for fully mechanized working face
CN102913265B (en) Circularly self-moving forepoling hydraulic support
CN202215270U (en) Circulating self-moving forepoling hydraulic support
CN110254487B (en) Pipeline placing vehicle for civil engineering
CN109193472A (en) A kind of buried cable electric wire electric wire laying machine people
CN113236311A (en) Arched supporting structure in tunnel construction and construction method
CN203247633U (en) Grooving machine and grooving main machine unit thereof
CN110566246B (en) Tunnel arc-shaped side top plate laying device and method
CN116105032A (en) Portable land measuring instrument
CN209975601U (en) Deep groove excavation rapid prototyping machine
CN209179772U (en) Tunneling boring chain type tunnels assembled development machine
CN202450817U (en) Three-dimensional cycling garage
CN113914876A (en) Little shield tunnel backfilling device
CN109339814B (en) Full-face chain type tunneling assembly tunneling machine
CN110068453A (en) A kind of shield machine cutter batch experiment mechanism
CN218479105U (en) Ecological slope protection device for river channel
CN219840138U (en) Electric power pole tower foundation pit excavating device
CN213740431U (en) Material laying device for civil engineering paving
CN220266545U (en) Triaxial stirring stake conveyer
CN220869452U (en) Hydraulic support moves a device
CN219467613U (en) Pipe jacking and soil discharging electric vehicle
CN117072186B (en) Arch tunnel excavation device for three-dimensional geological model test
CN211200521U (en) Small-size track excavator that crosses
CN214179561U (en) Service system for technology transfer and entrepreneurship incubation
CN211775890U (en) Steel structure column sliding device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant