CN115596225B - A space truss installation and positioning tool and construction method - Google Patents
A space truss installation and positioning tool and construction methodInfo
- Publication number
- CN115596225B CN115596225B CN202211193095.4A CN202211193095A CN115596225B CN 115596225 B CN115596225 B CN 115596225B CN 202211193095 A CN202211193095 A CN 202211193095A CN 115596225 B CN115596225 B CN 115596225B
- Authority
- CN
- China
- Prior art keywords
- moving
- installation
- screw rod
- positioning tool
- hollow column
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本申请公开了钢结构管桁架安装技术领域的一种空间管桁架安装定位工具及施工方法，包括底座，底座上设有安装座，安装座上设有空心柱，空心柱中设有丝杆组件，丝杆组件上设有调节柱，调节柱上连接有矩形块，矩形块上连接有安装板，安装板上连接有滑轨和移动组件，移动组件上连接有两个移动台，两个移动台与滑轨滑动连接，移动台上设有支撑块；空心柱上设有多个第一铰接块，第一铰接块上均安装有第一伺服液压缸，第一伺服液压缸的输出端连接有固定板；丝杆组件包括第一伺服电机和第一丝杆，第一丝杆的下端转动安装在空心柱内，第一伺服电机固定安装在安装座上，且通过联轴器与第一丝杆传动连接。本方案用以定位装置方便调节装置支撑角度，保持重心稳定。
This application discloses a spatial tubular truss installation positioning tool and construction method in the field of steel structure tubular truss installation technology. It includes a base, a mounting seat on the base, a hollow column on the mounting seat, a screw assembly within the hollow column, an adjusting column on the screw assembly, a rectangular block connected to the adjusting column, a mounting plate connected to the rectangular block, a slide rail and a moving assembly connected to the mounting plate, two moving platforms connected to the moving assembly, the two moving platforms being slidably connected to the slide rail, and support blocks on the moving platforms; multiple first hinge blocks on the hollow column, each first hinge block being equipped with a first servo hydraulic cylinder, the output end of the first servo hydraulic cylinder being connected to a fixed plate; the screw assembly includes a first servo motor and a first screw, the lower end of the first screw being rotatably mounted inside the hollow column, the first servo motor being fixedly mounted on the mounting seat and driven by the first screw via a coupling. This solution is used to facilitate the adjustment of the support angle of the positioning device and maintain the stability of the center of gravity.
Description
Technical Field
The invention relates to the technical field of steel structure pipe truss installation, in particular to a space pipe truss installation positioning tool and a construction method.
Background
The pipe truss structure is a truss structure system made of steel pipes, and is also called a pipe truss or a pipe structure, so long as the special structure system is formed by utilizing the excellent stress performance and attractive external modeling of the steel pipes, the latest design concept of the steel structure is satisfied, and the combination of materials, bearing and stabilizing components is intensively used to play a space role. The installation of the pipe truss is often finished at high altitude, the installation difficulty is high, the danger coefficient is high, the general positioning device is inconvenient to adjust the whole positioning height of the pipe truss, the supporting angle of the supporting block cannot be adjusted, the supporting angle of the device is inconvenient to adjust, and the gravity center is kept stable.
Disclosure of Invention
The invention aims to provide a space pipe truss installation positioning tool and a construction method, which are used for conveniently adjusting the supporting angle of a device by a positioning device and keeping the gravity center stable.
In order to solve the technical problems, the invention provides the technical scheme that the space pipe truss installation positioning tool comprises a base, wherein an installation seat is arranged on the base, a vertical hollow column is arranged on the installation seat, a screw rod assembly is arranged in the hollow column, an adjusting column is vertically connected with the screw rod assembly in a threaded manner and is in sliding connection with the hollow column, the top end of the adjusting column is fixedly connected with a rectangular block, the rectangular block is fixedly connected with an installation plate, a transverse sliding rail is fixedly connected with the installation plate, a moving assembly is arranged on the installation plate, two moving platforms are fixedly connected with the moving assembly and are in sliding connection with the sliding rail, and a supporting block is arranged on the moving platform;
The hollow column is provided with a plurality of first hinging blocks in a surrounding mode, each first hinging block is provided with a first servo hydraulic cylinder, the output end of each first servo hydraulic cylinder is downwards arranged, and the output end of each first servo hydraulic cylinder is rotationally connected with a fixing plate;
The screw rod assembly comprises a first servo motor and a first screw rod, the lower end of the first screw rod is rotatably mounted in the hollow column through a bearing and is in threaded connection with the adjusting column, the first servo motor is fixedly mounted on the mounting seat and is in transmission connection with the first screw rod through a coupler, and the first servo motor drives the first screw rod to rotate through the coupler.
When the device is used, the two moving tables are driven to move on the sliding rail through the moving assembly on the mounting plate, so that the position of the supporting block is adjusted, the telescopic length of the output end is adjusted through the plurality of first servo hydraulic cylinders arranged around the hollow column, the fixed plate is driven to move and contact with the ground, the outward telescopic angle of the first servo hydraulic cylinders is adjusted through the adjusting assembly, the gravity center of the mounting and positioning tool is adjusted, the stability is kept, the adjusting column can slide in the hollow column through the screw rod assembly, the vertical moving height of the moving table is adjusted, and the device is supported by the space tube truss.
The invention has the beneficial effects that 1, the screw rod assembly arranged on the mounting seat drives the adjusting column to move on the hollow column, the height of the mounting plate arranged on the rectangular block is adjusted, the moving assembly arranged on the mounting plate is connected with the two moving tables, so that the two moving tables synchronously move relatively and reversely on the sliding rail, the distance between the two supporting blocks is adjusted, and the supporting distance of the space pipe truss is adjusted. 2. Through the hollow post through the articulated first servo hydraulic cylinder of first articulated piece, adjust the flexible length of its output, can drive the fixed plate and remove all around to the hollow post, keep this installation positioning tool focus stable, adjustable first servo hydraulic cylinder vertical rotation angle of adjusting part to and promote first servo hydraulic cylinder downwardly moving at work, make fixed plate and ground contact more firm, increase the stability that the space pipe truss supported.
The space pipe truss installation, positioning and construction method comprises the following steps:
step one, driving two moving tables to move on a sliding rail through a moving assembly on a mounting plate, thereby adjusting the position of a supporting block, and hoisting a space pipe truss on the supporting block through hoisting equipment for clamping;
step two, adjusting the expansion length of the output end through a plurality of first servo hydraulic cylinders arranged around the hollow column, driving the fixed plate to move and contacting the ground, and adjusting the outward expansion angle of the first servo hydraulic cylinders through an adjusting assembly, so as to adjust the gravity center of the installation positioning tool and keep stability;
Step three, according to the installation height of the space pipe truss, the adjusting column can slide in the hollow column through the screw rod assembly, so that the vertical moving height of the moving table is adjusted, the space pipe truss is positioned at the installation requirement height, and finally the installation brackets are welded on the two sides of the space pipe truss, so that the installation of the space pipe truss is completed.
Further, the surface fixedly connected with round bar of first servo pneumatic cylinder installs adjusting part between round bar and the hollow post.
Further, be provided with vertical spacing groove on the hollow post, install the stopper on the regulation post, stopper slidable mounting is in the spacing inslot. The purpose is that the travel of the movement of the adjusting column can be limited by the limiting block arranged in the limiting groove, and the falling off of the hollow column is avoided.
Further, remove the subassembly and include second lead screw, guide arm, second servo motor and two removal sliders, the both ends of second lead screw are all installed on the mounting panel through the bearing rotation, and the both ends of guide arm are all fixed on the mounting panel, and second servo motor fixed mounting is on the mounting panel, and is connected with second lead screw transmission through the shaft coupling, and two equal threaded connection of removal sliders are on the second lead screw, and slidable mounting is on the guide arm, and the screw thread opposite direction of two removal sliders, and the mobile station is installed on removing the slider. When the device is used, the second servo motor drives the second screw rod to rotate through the coupler, so that the two movable sliding blocks are driven to synchronously move on the guide rod in opposite directions or in opposite directions, and the two movable adjusting tables can conveniently clamp the space pipe truss through the supporting blocks.
Further, the rectangular block and the mounting plate are provided with symmetrical second hinge blocks, and a reinforcing rod is hinged between the two second hinge blocks. The purpose is, through the stiffener of installing on two second articulated piece, is favorable to improving the firm intensity of mounting panel, reduces the deformation volume.
Further, the adjusting component comprises a second servo hydraulic cylinder and a T-shaped plate, the T-shaped plate is arranged on the hollow column, one end of the second servo hydraulic cylinder is hinged to the T-shaped plate, and the other end of the second servo hydraulic cylinder is sleeved on the round rod. The purpose is, through T template and round bar, makes things convenient for the both ends of second servo pneumatic cylinder to articulate on hollow post and first servo pneumatic cylinder to the vertical rotation angle of first servo pneumatic cylinder adjusts, makes things convenient for the output of first servo pneumatic cylinder to outwards stretch out and draw back, in order to keep the stability of this installation positioning tool focus.
Further, two symmetrical mounting grooves are formed in the lower surface of the base, and two moving wheels are mounted in the mounting grooves. The purpose is that the convenient removal wheel of mounting through the mounting groove is installed on the base, and this installation locating tool of being convenient for adjusts working position.
Further, two symmetrical electric jacks are arranged on the base, strip-shaped plates are arranged on the electric jacks, and the movable wheels are arranged on the strip-shaped plates. The purpose is, through the convenient movable wheel use height who installs on the bar shaped plate of adjusting of electric jack, electric jack drives movable wheel shrink, and the base contacts with ground, improves friction dynamics.
Further, a plurality of convex nails which are distributed at equal intervals are fixedly arranged on the surface of the fixing plate. The purpose is that, be favorable to improving the skid resistance of fixed plate through the protruding nail, improve the fastness with ground contact.
Drawings
FIG. 1 is a schematic perspective view of a front face of a space tube truss installation positioning tool of the present invention;
FIG. 2 is a schematic perspective view of a top view of a space tube truss installation positioning tool of the present invention;
FIG. 3 is a schematic perspective view of the bottom surface of a space tube truss installation positioning tool according to the present invention;
Fig. 4 is an enlarged view of a in fig. 3.
Detailed Description
The following is a further detailed description of the embodiments:
The reference numerals in the drawings of the specification comprise a base 1, a mounting seat 2, a hollow column 3, a screw rod assembly 4, a first servo motor 41, a first screw rod 42, an adjusting column 5, a rectangular block 6, a mounting plate 7, a sliding rail 8, a moving assembly 9, a second screw rod 91, a guide rod 92, a second servo motor 93, a moving sliding block 94, a moving table 10, a supporting block 11, a first hinging block 12, a first servo hydraulic cylinder 13, a fixed plate 14, a round rod 15, an adjusting assembly 16, a second servo hydraulic cylinder 161, a T-shaped plate 162, a limiting groove 17, a limiting block 18, a second hinging block 19, a reinforcing rod 20, a mounting groove 21, a moving wheel 22, an electric jack 23, a strip-shaped plate 24 and a convex nail 25.
An example is substantially as shown in figures 1, 2, 3 and 4:
the utility model provides a space pipe truss installation positioning tool, including base 1, install mount pad 2 on the base 1, install hollow post 3 on the mount pad 2, install lead screw subassembly 4 on the hollow post 3, threaded connection has adjusting post 5 on the lead screw subassembly 4, adjusting post 5 slidable mounting is in hollow post 3, the upper end of adjusting post 5 is through the pin cartridge that is equipped with rectangular block 6, fixed mounting has mounting panel 7 on the rectangular block 6, slide rail 8 is installed to the both sides of mounting panel 7, install movable assembly 9 on the mounting panel 7, slidable mounting has two mobile stations 10 on the slide rail 8, two mobile stations 10 all with movable assembly 9 fixed connection, install supporting shoe 11 on the mobile station 10.
The hollow column 3 is provided with a plurality of first servo hydraulic cylinders 13 through a first hinging block 12, a fixed plate 14 is hinged on the output end of each first servo hydraulic cylinder 13, a round rod 15 is welded on the surface of each first servo hydraulic cylinder 13, and an adjusting component 16 is arranged between each round rod 15 and the hollow column 3.
The screw rod assembly 4 comprises a first servo motor 41 and a first screw rod 42, the lower end of the first screw rod 42 is rotatably mounted in the hollow column 3 through a bearing and is in threaded connection with the adjusting column 5, the first servo motor 41 is fixedly mounted on the mounting seat 2 and is in transmission connection with the first screw rod 42 through a coupler, the first servo motor 41 drives the first screw rod 42 to rotate through the coupler, the adjusting column 5 can slide in the hollow column 3, and therefore the vertical moving height of the moving table 10 is adjusted.
The hollow column 3 is provided with the limit groove 17, the adjusting column 5 is provided with the limit block 18, the limit block 18 is slidably arranged in the limit groove 17, the travel of the adjusting column 5 can be limited, and the falling off from the hollow column 3 is avoided.
The moving assembly 9 comprises a second screw rod 91, a guide rod 92, a second servo motor 93 and two moving sliding blocks 94, wherein two ends of the second screw rod 91 are rotatably mounted on the mounting plate 7 through bearings, two ends of the guide rod 92 are fixedly mounted on the mounting plate 7, the second servo motor 93 is in transmission connection with the second screw rod 91 through a coupler, the two moving sliding blocks 94 are in threaded connection with the second screw rod 91 and are slidably mounted on the guide rod 92, the two moving sliding blocks 94 are opposite in threaded direction, the moving table 10 is mounted on the moving sliding blocks 94, the second servo motor 93 drives the second screw rod 91 to rotate through the coupler, so that the two moving sliding blocks 94 are driven to synchronously move on the guide rod 92 in opposite directions or oppositely, and the two moving table 10 can be conveniently clamped through the supporting block 11.
The rectangular block 6 and the mounting plate 7 are provided with symmetrical second hinging blocks 19, a reinforcing rod 20 is hinged between the two second hinging blocks 19, and the reinforcing rods 20 arranged on the two second hinging blocks 19 are beneficial to improving the firm strength of the mounting plate 7 and reducing deformation.
The adjusting component 16 comprises a second servo hydraulic cylinder 161 and a T-shaped plate 162, the T-shaped plate 162 is arranged on the hollow column 3, one end of the second servo hydraulic cylinder 161 is hinged to the T-shaped plate 162, the other end of the second servo hydraulic cylinder is sleeved on the round rod 15, and two ends of the second servo hydraulic cylinder 161 are conveniently hinged to the hollow column 3 and the first servo hydraulic cylinder 13 through the T-shaped plate 162 and the round rod 15, so that the vertical rotation angle of the first servo hydraulic cylinder 13 is adjusted, the output end of the first servo hydraulic cylinder 13 is conveniently outwards telescopic, and the stability of the gravity center of the installation positioning tool is kept.
Two symmetrical mounting grooves 21 are formed in the lower surface of the base 1, two moving wheels 22 are mounted in the mounting grooves 21, the moving wheels 22 are mounted on the base 1 conveniently through the mounting grooves 21, and the mounting and positioning tool is convenient to adjust the working position.
Two symmetrical electric jacks 23 are arranged on the base 1, a strip-shaped plate 24 is arranged on the electric jacks 23, the movable wheels 22 are arranged on the strip-shaped plate 24, the use height of the movable wheels 22 arranged on the strip-shaped plate 24 is conveniently adjusted through the electric jacks 23, the electric jacks 23 drive the movable wheels 22 to shrink, the base 1 is in contact with the ground, and the friction force is improved.
A plurality of convex nails 25 which are distributed at equal intervals are fixedly arranged on the surface of the fixed plate 14, and the convex nails 25 are beneficial to improving the anti-skid performance of the fixed plate 14 and improving the firmness of contact with the ground.
The specific implementation process is as follows:
When the device is used, the moving assembly 9 on the mounting plate 7 drives the two moving tables 10 to move on the sliding rail 8, so that the position of the supporting block 11 is adjusted, the telescopic length of the output end is adjusted through the plurality of first servo hydraulic cylinders 13 arranged around the hollow column 3, the fixed plate 14 is driven to move and contact with the ground, the outward telescopic angle of the first servo hydraulic cylinders 13 is adjusted through the adjusting assembly 16, the gravity center of the mounting and positioning tool is adjusted, the stability is kept, the adjusting column 5 can slide in the hollow column 3 through the screw rod assembly 4, the vertical moving height of the moving table 10 is adjusted, and the device is supported by a space pipe truss.
A space pipe truss installation, positioning and construction method comprises the following steps:
step one, driving two moving tables to move on a sliding rail through a moving assembly on a mounting plate, thereby adjusting the position of a supporting block, and hoisting a space pipe truss on the supporting block through hoisting equipment for clamping;
step two, adjusting the expansion length of the output end through a plurality of first servo hydraulic cylinders arranged around the hollow column, driving the fixed plate to move and contacting the ground, and adjusting the outward expansion angle of the first servo hydraulic cylinders through an adjusting assembly, so as to adjust the gravity center of the installation positioning tool and keep stability;
Step three, according to the installation height of the space pipe truss, the adjusting column can slide in the hollow column through the screw rod assembly, so that the vertical moving height of the moving table is adjusted, the space pipe truss is positioned at the installation requirement height, and finally the installation brackets are welded on the two sides of the space pipe truss, so that the installation of the space pipe truss is completed.
Claims (10)
1. The space pipe truss installing and positioning tool is characterized by comprising a base, wherein an installing seat is arranged on the base, a vertical hollow column is arranged on the installing seat, a screw rod assembly is arranged in the hollow column, an adjusting column is vertically connected with the screw rod assembly through threads and is in sliding connection with the hollow column, a rectangular block is fixedly connected to the top end of the adjusting column, an installing plate is fixedly connected to the rectangular block, a transverse sliding rail is fixedly connected to the installing plate, a moving assembly is arranged on the installing plate, two moving tables are fixedly connected to the moving assembly and are in sliding connection with the sliding rail, and a supporting block is arranged on the moving tables;
The hollow column is provided with a plurality of first hinging blocks in a surrounding mode, each first hinging block is provided with a first servo hydraulic cylinder, the output end of each first servo hydraulic cylinder is downwards arranged, and the output end of each first servo hydraulic cylinder is rotationally connected with a fixing plate;
The screw rod assembly comprises a first servo motor and a first screw rod, the lower end of the first screw rod is rotatably mounted in the hollow column through a bearing and is in threaded connection with the adjusting column, the first servo motor is fixedly mounted on the mounting seat and is in transmission connection with the first screw rod through a coupler, and the first servo motor drives the first screw rod to rotate through the coupler.
2. The space tube truss installation positioning tool of claim 1, wherein the surface of the first servo hydraulic cylinder is fixedly connected with a round rod, and an adjusting assembly is arranged between the round rod and the hollow column.
3. The spatial tube truss installation positioning tool of claim 2, wherein the hollow column is provided with a vertical limiting groove, the adjusting column is provided with a limiting block, the limiting block is slidably arranged in the limiting groove, and the limiting block is slidably arranged in the limiting groove.
4. The space tube truss installation positioning tool according to claim 3, wherein the moving assembly comprises a second screw rod, a guide rod, a second servo motor and two moving sliding blocks, wherein two ends of the second screw rod are rotatably installed on the installation plate through bearings, two ends of the guide rod are fixed on the installation plate, the second servo motor is fixedly installed on the installation plate and is in transmission connection with the second screw rod through a coupler, the two moving sliding blocks are in threaded connection with the second screw rod and are slidably installed on the guide rod, and the two moving sliding blocks are opposite in threaded directions and installed on the moving sliding blocks.
5. The space tube truss installation positioning tool of claim 4, wherein the rectangular block and the installation plate are respectively provided with symmetrical second hinge blocks, and a reinforcing rod is hinged between the two second hinge blocks.
6. The space tube truss installation positioning tool of claim 5 wherein the adjustment assembly comprises a second servo hydraulic cylinder and a T-shaped plate, the T-shaped plate is mounted on the hollow column, one end of the second servo hydraulic cylinder is hinged on the T-shaped plate, and the other end of the second servo hydraulic cylinder is sleeved on the round rod.
7. The space tube truss installation positioning tool of claim 6, wherein two symmetrical installation grooves are formed in the lower surface of the base, and two moving wheels are installed in the installation grooves.
8. The spatial tube truss installation positioning tool of claim 7, wherein two symmetrical electric jacks are installed on the base, strip-shaped plates are installed on the electric jacks, and the moving wheels are installed on the strip-shaped plates.
9. The spatial tube truss installation positioning tool of claim 8, wherein a plurality of equidistant-distributed convex nails are fixedly arranged on the surface of the fixed plate.
10. The construction method of the space tube truss installation positioning tool according to any one of claims 1 to 9, comprising the steps of:
step one, driving two moving tables to move on a sliding rail through a moving assembly on a mounting plate, thereby adjusting the position of a supporting block, and hoisting a space pipe truss on the supporting block through hoisting equipment for clamping;
step two, adjusting the expansion length of the output end through a plurality of first servo hydraulic cylinders arranged around the hollow column, driving the fixed plate to move and contacting the ground, and adjusting the outward expansion angle of the first servo hydraulic cylinders through an adjusting assembly, so as to adjust the gravity center of the installation positioning tool and keep stability;
Step three, according to the installation height of the space pipe truss, the adjusting column can slide in the hollow column through the screw rod assembly, so that the vertical moving height of the moving table is adjusted, the space pipe truss is positioned at the installation requirement height, and finally the installation brackets are welded on the two sides of the space pipe truss, so that the installation of the space pipe truss is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211193095.4A CN115596225B (en) | 2022-09-28 | 2022-09-28 | A space truss installation and positioning tool and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211193095.4A CN115596225B (en) | 2022-09-28 | 2022-09-28 | A space truss installation and positioning tool and construction method |
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| Publication Number | Publication Date |
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| CN115596225A CN115596225A (en) | 2023-01-13 |
| CN115596225B true CN115596225B (en) | 2025-11-25 |
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| CN202211193095.4A Active CN115596225B (en) | 2022-09-28 | 2022-09-28 | A space truss installation and positioning tool and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118407515B (en) * | 2024-07-03 | 2024-09-24 | 山西建筑工程集团有限公司 | Connection structure for connecting reinforced concrete beam and steel column |
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| CN109879204A (en) * | 2019-03-22 | 2019-06-14 | 中铁建设集团设备安装有限公司 | A kind of building installation engineering Special elevator |
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| CN114738027A (en) * | 2022-03-25 | 2022-07-12 | 淮北矿业股份有限公司 | Adjustable hydraulic support sliding plate |
| CN217478907U (en) * | 2021-12-26 | 2022-09-23 | 四川安心无忧机电设备有限公司 | Hoisting device for mounting electromechanical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210732491U (en) * | 2019-07-12 | 2020-06-12 | 智能建筑设备有限公司 | Vertical plate mounting and carrying manipulator equipment |
| CN114909557A (en) * | 2022-04-22 | 2022-08-16 | 绍兴市舜泽广告有限公司 | Advertisement delivery system based on big data |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109879204A (en) * | 2019-03-22 | 2019-06-14 | 中铁建设集团设备安装有限公司 | A kind of building installation engineering Special elevator |
| CN216010290U (en) * | 2021-11-09 | 2022-03-11 | 无锡胜达塑龙科技有限公司 | Special irregular terrain support frame for plastic pipe fusion welding machine |
| CN217478907U (en) * | 2021-12-26 | 2022-09-23 | 四川安心无忧机电设备有限公司 | Hoisting device for mounting electromechanical equipment |
| CN114738027A (en) * | 2022-03-25 | 2022-07-12 | 淮北矿业股份有限公司 | Adjustable hydraulic support sliding plate |
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| CN115596225A (en) | 2023-01-13 |
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