CN216342230U - Trolley for drilling and arch center installation - Google Patents
Trolley for drilling and arch center installation Download PDFInfo
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- CN216342230U CN216342230U CN202123129162.XU CN202123129162U CN216342230U CN 216342230 U CN216342230 U CN 216342230U CN 202123129162 U CN202123129162 U CN 202123129162U CN 216342230 U CN216342230 U CN 216342230U
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Abstract
The utility model relates to the technical field of tunnel construction equipment, in particular to a trolley for drilling and arch center installation, which comprises: a trolley body; the arch frame lifting mechanism is arranged at the rear end of the trolley body; the arch frame jacking mechanism is arranged on the top surface of the trolley body; the arch frame moving mechanism is arranged on the top surface of the trolley body and is in transmission connection with the arch frame jacking mechanism; the traveling driving mechanism is arranged at the lower end of the trolley body; the side drilling platforms are symmetrically arranged on two sides of the trolley body; the front end drilling platform is arranged at the front end of the trolley body. The utility model can facilitate the drilling operation, and can further reduce the labor intensity of arch center installation and improve the construction efficiency. And the operation is convenient, and the practicability is better.
Description
Technical Field
The utility model relates to the technical field of tunnel construction equipment, in particular to a trolley for drilling and arch center installation.
Background
In the weak surrounding rock tunnel excavation construction, a three-step or multi-step equal-step method is mostly adopted for construction, reinforced mechanical excavation operation is mostly adopted when the weak surrounding rock is subjected to comprehensive broken excavation, and the mechanized matched construction represented by a three-arm rock drilling jumbo is mainly adopted, but if all weak surrounding rock tunnel support surfaces are subjected to the drilling effect of the three-arm rock drilling jumbo, the capital investment is large, and the construction cost is high.
In addition, in tunnel construction, when weak surrounding rocks are broken seriously, an arch needs to be installed to support the weak surrounding rocks so as to control the deformation and collapse of the surrounding rocks. The installation of bow member mainly installs with the manual mode, relies on the manpower to put in place the bow member installation promptly with the help of simple and easy platform truck, and this kind of mounting means needs more constructor to operate, and intensity of labour is big, and the efficiency of construction is low. The application number CN201922060737.3 discloses an integral arch center mounting trolley, which is provided with a lifting device and a transferring and jacking device, wherein the lifting device is arranged to lift the arch center in a flat state to an upright state; through setting up the bow member translation that transports jacking device under with the upright state to the installation region and jacking to mounting height, intensity of labour when can reducing the construction through the cooperation of lifting device and transport jacking device can also improve the efficiency of construction simultaneously. But transport among the jacking device and not set up drive arrangement, lead to its removal still to rely on the manual work to promote when moving on the platform truck, complex operation has certain intensity of labour.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The utility model aims to provide a trolley for drilling and arch center installation, which is used for solving the problems of the existing drilling and arch center installation device.
In order to achieve the purpose, the utility model provides the following technical scheme:
a trolley for drilling and arch installation comprising:
a trolley body;
the number of the arch frame lifting mechanisms is 1, and the number of the arch frame lifting mechanisms is respectively arranged on two sides of the rear end of the trolley body; the arch frame lifting mechanism comprises a supporting rod, a lifting driving wheel, a lifting driving belt and a lifting driving motor, wherein the upper end and the lower end of the supporting rod are respectively and correspondingly fixed at the top and the bottom of the trolley body; the lifting driving wheels are respectively arranged at the upper end and the lower end of the supporting rod by 1 and are rotationally connected with the supporting rod; the lifting transmission belt is in transmission connection with 2 lifting driving wheels; the lifting driving motor is fixed at the top of the supporting rod and is in transmission connection with a lifting driving wheel positioned at the top of the supporting rod;
the arch frame jacking mechanism is arranged on the top surface of the trolley body;
the arch frame moving mechanism is arranged on the top surface of the trolley body and is in transmission connection with the arch frame jacking mechanism, and the arch frame moving mechanism drives the arch frame jacking mechanism to move;
the traveling driving mechanism is arranged at the lower end of the trolley body and drives the trolley body to steer and travel;
the side drilling platforms are symmetrically arranged on two sides of the trolley body;
the front end drilling platform is arranged at the front end of the trolley body.
Preferably, the middle part and the lower end of the support rod are respectively fixed with a connecting rod, the other end of the connecting rod is fixed on the trolley body, and the length of the connecting rod in the middle part is smaller than that of the connecting rod in the lower end.
Preferably, the arch frame jacking mechanism comprises a jacking seat, a first telescopic oil cylinder, a second telescopic oil cylinder and an arch frame seat, wherein 2 rotating wheels are respectively arranged on two sides of the jacking seat; the lower end of the first telescopic oil cylinder is hinged to the front end of the jacking seat; the lower end of the second telescopic oil cylinder is hinged to the middle of the jacking seat, and the upper end of the second telescopic oil cylinder is hinged to the middle of the first telescopic oil cylinder; the arch center seat is fixed on the top of the first telescopic oil cylinder.
Preferably, the arch center moving mechanism comprises 1 moving driving wheel, 1 moving driving belt and one moving driving motor, wherein the moving driving wheels are respectively arranged in the middle of the front end and the middle of the rear end of the trolley body; the movable transmission belt is in transmission connection with 2 movable driving wheels; the mobile driving motor is fixed at the front end of the trolley body and is in transmission connection with a mobile driving wheel arranged in the middle of the front end of the trolley body; the lower end of the jacking seat is fixed on the upper side part of the movable transmission belt.
Preferably, the arch center moving mechanism further comprises guide rails, and the guide rails are respectively fixed on the top surfaces of the trolley bodies on two sides of the moving transmission belt; the runner is concavely provided with a sliding groove in sliding fit with the guide rail.
Preferably, the walking driving mechanism comprises a steering driving motor, a mounting seat, walking wheels and a walking driving motor, the steering driving motor is fixed on a cross rod at the bottom of the trolley body, and an output shaft of the steering driving motor vertically penetrates through the cross rod at the bottom of the trolley body downwards and is connected with the cross rod in a rotating manner; the mounting seat is fixed at the lower end of the output shaft of the steering driving motor; the travelling wheel is rotationally connected to the mounting seat; the walking driving motor is fixed on the side surface of the mounting seat and is in transmission connection with the walking wheel.
Preferably, the side drilling platform comprises a first side drilling platform, a second side drilling platform, a side extension platform and an extension telescopic oil cylinder, and the first side drilling platform is close to the top surface of the trolley body; the second side drilling platform is positioned below the first side drilling platform, and the cross section of the second side drilling platform is rectangular; one side of the side surface extending platform is hinged to the outer end surface of the upper side of the second side surface drilling platform; the lower end of the extension telescopic oil cylinder is hinged to the outer end face of the lower side of the second side face drilling platform, and the upper end of the extension telescopic oil cylinder is hinged to the outer end of the lower surface of the side face extension platform.
Preferably, the front end drilling platform is provided with 2 groups at the front end of the trolley body at intervals up and down, the front end drilling platform comprises a platform body, a hinge rod and an extension telescopic oil cylinder, and the inner end surface of the platform body is hinged to the trolley body; the upper end of the hinge rod is hinged to the outer end of the lower surface of the platform body, and the lower end of the hinge rod is hinged to the trolley body; the upper end of the extension telescopic oil cylinder is hinged to the upper end and the lower end of the trolley body, extends outwards and is hinged to the middle of the hinge rod.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the utility model, the arch center lifting mechanism is arranged on the trolley body, and the arch center can be conveniently lifted to the top surface of the trolley body by virtue of the lifting mechanism.
(2) The top surface of the trolley body is provided with the arch frame jacking mechanism and the arch frame moving mechanism, and the arch frame jacking mechanism can jack the arch frame lifted to the top surface of the trolley body so as to enable the arch frame to be in an upright state; the arch frame moving mechanism can drive the arch frame jacking mechanism to move on the trolley body, so that the arch frame jacking mechanism is prevented from being pushed, the labor intensity is reduced, and the construction efficiency is improved; meanwhile, the guide rail in the arch moving mechanism is matched with the sliding groove in the rotating wheel, so that the deviation of the arch jacking mechanism in the moving process can be avoided, and the stability in the moving process is improved.
(3) According to the utility model, the side surface extending platform and the extending telescopic oil cylinder are arranged on the side surface of the trolley body, the extending telescopic oil cylinder can control the extending and retracting of the extending platform, and when the extending platform extends, a constructor can conveniently stand on the side surface to drill the middle part of the side tunnel; when the extension platform retracts, the occupied space of the whole trolley can be reduced, and the operation is convenient and practical.
(4) According to the utility model, the front-end drilling platform is arranged at the front end of the trolley body, the extension and retraction oil cylinder on the front-end drilling platform can extend and retract through the control platform body, and when the platform body extends, a constructor can conveniently stand on the platform body to drill a tunnel at the front end of the trolley body; when the platform body retracts, the occupied space of the whole trolley can be reduced, and the operation is convenient and fast.
(5) The utility model takes the problems of the existing drilling and arch installing device as the starting point, designs a plurality of components such as an arch lifting mechanism, an arch jacking mechanism, an arch moving mechanism and the like, can facilitate the drilling operation, and can further reduce the labor intensity of arch installation and improve the construction efficiency. And the operation is convenient, and the practicability is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right side view of the arch lifting mechanism and front drilling platform of FIG. 1 removed;
FIG. 3 is a schematic structural view of an arch jacking mechanism and an arch moving mechanism of the present invention;
description of the reference numerals:
100. a trolley body;
200. an arch lifting mechanism; 201. a support bar; 2011. a connecting rod; 202. lifting the driving wheel; 203. lifting the transmission belt; 204. a lifting drive motor;
300. an arch frame jacking mechanism; 301. a jacking seat; 3011. a rotating wheel; 3012. a chute; 302. a first telescopic cylinder; 303. a second telescopic cylinder; 304. an arch support base;
400. an arch frame moving mechanism; 401. moving the drive wheel; 402. moving the conveyor belt; 403. a movement driving motor; 404. a guide rail;
500. a travel drive mechanism; 501. a steering drive motor; 502. a mounting seat; 503. a traveling wheel; 504. a travel driving motor;
600. drilling a platform on the side surface; 601. a first lateral drilling platform; 602. a second lateral drilling platform; 603. a laterally extending platform; 604. an extension telescopic oil cylinder;
700. a front end drilling platform; 701. a platform body; 702. a hinged lever; 7021. a hinge rod body; 703. an extension and retraction oil cylinder.
Detailed Description
In the following, the technical solutions of the present invention will be described clearly and completely, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, a trolley for drilling and arch installation comprising:
a carriage body 100;
the arch lifting mechanisms 200 are respectively arranged at 1 on two sides of the rear end of the trolley body 100; the arch frame lifting mechanism 200 comprises a supporting rod 201, a lifting driving wheel 202, a lifting transmission belt 203 and a lifting driving motor 204, wherein the upper end and the lower end of the supporting rod 201 are respectively and correspondingly fixed at the top and the bottom of the trolley body 100; the lifting driving wheels 202 are respectively arranged at the upper end and the lower end of the supporting rod 201 and are rotatably connected with the supporting rod 201; the lifting transmission belt 203 is in transmission connection with 2 lifting driving wheels 202; the lifting driving motor 204 is fixed on the top of the supporting rod 201 and is in transmission connection with a lifting driving wheel 202 positioned on the top of the supporting rod 201;
the arch jacking mechanism 300, the arch jacking mechanism 300 is arranged on the top surface of the trolley body 100; the arch frame jacking mechanism 300 comprises a jacking seat 301, a first telescopic oil cylinder 302, a second telescopic oil cylinder 303 and an arch frame seat 304, wherein 2 rotating wheels 3011 are respectively arranged on two sides of the jacking seat 301; the lower end of the first telescopic oil cylinder 302 is hinged at the front end of the jacking seat 301; the lower end of the second telescopic oil cylinder 303 is hinged to the middle of the jacking seat 301, and the upper end of the second telescopic oil cylinder 303 is hinged to the middle of the first telescopic oil cylinder 302; the arch bracket base 304 is fixed on the top of the first telescopic oil cylinder 302;
the arch moving mechanism 400 is arranged on the top surface of the trolley body 100, the arch moving mechanism 400 is in transmission connection with the arch jacking mechanism 300, and the arch moving mechanism 400 drives the arch jacking mechanism 300 to move; the arch moving mechanism 400 comprises moving driving wheels 401, a moving transmission belt 402, a moving driving motor 403 and a guide rail 404, wherein the number of the moving driving wheels 401 is 1 respectively arranged in the middle of the front end and the middle of the rear end of the trolley body 100; the movable transmission belt 402 is in transmission connection with 2 movable driving wheels 401; the mobile driving motor 403 is fixed at the front end of the trolley body 100 and is in transmission connection with the mobile driving wheel 401 arranged in the middle of the front end of the trolley body 100; in this embodiment, the lower end of the jacking seat 301 is fixed on the upper part of the moving transmission belt 402; the guide rails 404 are respectively fixed on the top surfaces of the trolley bodies 100 at two sides of the movable transmission belt 402; the runner 3011 is concavely provided with a chute 3012 in sliding fit with the guide rail 404;
the traveling driving mechanism 500, the traveling driving mechanism 500 is arranged at the lower end of the trolley body 100, and the traveling driving mechanism 500 drives the trolley body 100 to turn and travel; the walking driving mechanism 500 comprises a steering driving motor 501, a mounting seat 502, a walking wheel 503 and a walking driving motor 504, wherein the steering driving motor 501 is fixed on a cross bar at the bottom of the trolley body 100, and an output shaft vertically penetrates through the cross bar at the bottom of the trolley body 100 downwards and is connected with the cross bar in a rotating manner; the mounting seat 502 is fixed at the lower end of the output shaft of the steering drive motor 501; the road wheel 503 is rotatably connected to the mounting seat 502; a walking driving motor 504 is fixed on the side surface of the mounting seat 502 and is in transmission connection with a walking wheel 503;
the side drilling platforms 600, the side drilling platforms 600 are symmetrically arranged at two sides of the trolley body 100; the side drilling platform 600 comprises a first side drilling platform 601, a second side drilling platform 602, a side extension platform 603 and an extension telescopic oil cylinder 604, wherein the first side drilling platform 601 is close to the top surface of the trolley body 100; the second side drilling platform 602 is located below the first side drilling platform 601, and the cross section of the second side drilling platform 602 is rectangular; one side of the side surface extension platform 603 is hinged to the outer end surface of the upper side of the second side surface drilling platform 602; the lower end of the extension telescopic oil cylinder 604 is hinged to the outer end face of the lower side of the second side drilling platform 602, and the upper end of the extension telescopic oil cylinder is hinged to the outer end of the lower surface of the side extension platform 603;
the front end drilling platform 700 is arranged in 2 groups at intervals from top to bottom at the front end of the trolley body 100, the front end drilling platform 700 comprises a platform body 701, a hinge rod 702 and an extension telescopic oil cylinder 703, and the inner end face of the platform body 701 is hinged to the trolley body 100; the hinge rod 702 is composed of 2 hinge rod bodies 7021 which are mutually hinged, the upper end of the hinge rod 702 is hinged at the outer end of the lower surface of the platform body 701, and the lower end of the hinge rod 702 is hinged on the trolley body 100; the upper end of the extension cylinder 703 is hinged to the upper end of the trolley body 100, and the lower end extends outwards and is hinged to the middle of the hinge rod 702.
In this embodiment, a connecting rod 2011 is fixed to the middle and the lower end of the supporting rod 201, the other end of the connecting rod 2011 is fixed to the trolley body 100, and the length of the connecting rod 2011 located at the middle is smaller than that of the connecting rod 2011 located at the lower end.
When the trolley in this embodiment turns and moves, the rotation driving motor 501 is controlled to work to drive the mounting base 502 to rotate, so as to control the moving direction of the trolley body 100; when the walking driving motor 504 works, the whole trolley body 100 can be driven to move, and the walking of the trolley body 100 is realized.
When the arch is installed, the arch is tied up at the lower end of the outer side surface of the lifting transmission belt 203, the lifting driving motor 204 is started, the lifting driving motor 204 drives the lifting transmission belt 203 to rotate through the lifting driving wheel 202, and in the process that the lifting transmission belt 203 rotates, the arch is lifted to the top surface of the trolley body 100;
controlling the second telescopic oil cylinder 303 to retract, wherein the second telescopic oil cylinder 303 generates pulling force on the middle part of the first telescopic oil cylinder 302 to enable the top of the first telescopic oil cylinder 302 to incline; starting a mobile driving motor 403 to rotate anticlockwise, driving a mobile driving belt 402 to rotate by the mobile driving motor 403 through a mobile driving wheel 401, driving a jacking seat 301 to move from the front end to the rear end of the trolley body 100 through the mobile driving belt 402, placing the lifted arch centering in an arch centering seat 304, controlling the telescopic end of a second telescopic oil cylinder 303 to extend out, generating thrust on the middle part of the first telescopic oil cylinder 302 by the second telescopic oil cylinder 303, enabling the first telescopic oil cylinder 302 to be in a vertical state, and controlling the telescopic end of the first telescopic oil cylinder 302 to extend out, so as to enable the arch centering to be in an upright state;
the moving driving motor 403 is started to rotate clockwise, and at this time, the arch moving mechanism 400 drives the arch jacking mechanism 300 to move towards the front end of the trolley body 100, so as to move the arch into the construction area.
When drilling the upper part of the tunnel on the side surface of the trolley body 100, a constructor only stands on the first side surface drilling platform 601; when the middle part of the side tunnel needs to be drilled, the telescopic end of the extension telescopic oil cylinder 604 is controlled to extend out, the telescopic end of the extension telescopic oil cylinder 604 generates thrust on the side extension platform 603, and then the side extension platform 603 is pushed out and finally is flush with the upper surface of the second side drilling platform 602, so that a constructor can stand on the side extension platform 603 to drill the middle part of the side tunnel; similarly, when the side extension platform 603 needs to be retracted, the telescopic end of the extension telescopic oil cylinder 604 is controlled to be retracted;
when a tunnel at the front end of the trolley body 100 is drilled, the telescopic end of the telescopic oil cylinder 703 is controlled to extend out, the telescopic end of the telescopic oil cylinder 703 generates thrust on the hinge rod 702, so that 2 hinge rod bodies 7021 of the hinge rod 703 extend, in the process, the hinge rod 702 generates thrust on the outer end face of the platform body 701, and the platform body 701 is further in a horizontal state, so that a constructor can stand on the platform body 701 to drill; similarly, after the construction is finished, the telescopic end of the telescopic cylinder 703 is controlled to retract.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (8)
1. A trolley for drilling and arch installation, comprising:
a trolley body;
the number of the arch frame lifting mechanisms is 1, and the number of the arch frame lifting mechanisms is respectively arranged on two sides of the rear end of the trolley body; the arch frame lifting mechanism comprises a supporting rod, a lifting driving wheel, a lifting driving belt and a lifting driving motor, wherein the upper end and the lower end of the supporting rod are respectively and correspondingly fixed at the top and the bottom of the trolley body; the lifting driving wheels are respectively arranged at the upper end and the lower end of the supporting rod by 1 and are rotationally connected with the supporting rod; the lifting transmission belt is in transmission connection with 2 lifting driving wheels; the lifting driving motor is fixed at the top of the supporting rod and is in transmission connection with a lifting driving wheel positioned at the top of the supporting rod;
the arch frame jacking mechanism is arranged on the top surface of the trolley body;
the arch frame moving mechanism is arranged on the top surface of the trolley body and is in transmission connection with the arch frame jacking mechanism, and the arch frame moving mechanism drives the arch frame jacking mechanism to move;
the traveling driving mechanism is arranged at the lower end of the trolley body and drives the trolley body to steer and travel;
the side drilling platforms are symmetrically arranged on two sides of the trolley body;
the front end drilling platform is arranged at the front end of the trolley body.
2. The trolley for drilling and arch mounting as claimed in claim 1, wherein the middle and lower ends of the supporting rod are respectively fixed with a connecting rod, the other end of the connecting rod is fixed on the trolley body, and the length of the connecting rod in the middle is smaller than that of the connecting rod at the lower end.
3. The trolley for drilling and arch centering according to claim 1, wherein the arch jacking mechanism comprises a jacking seat, a first telescopic cylinder, a second telescopic cylinder and an arch seat, and two sides of the jacking seat are respectively provided with 2 rotating wheels; the lower end of the first telescopic oil cylinder is hinged to the front end of the jacking seat; the lower end of the second telescopic oil cylinder is hinged to the middle of the jacking seat, and the upper end of the second telescopic oil cylinder is hinged to the middle of the first telescopic oil cylinder; the arch center seat is fixed on the top of the first telescopic oil cylinder.
4. The trolley for drilling and arch mounting as claimed in claim 3, wherein the arch moving mechanism comprises moving driving wheels, a moving transmission belt and a moving driving motor, the moving driving wheels are respectively provided at 1 in the middle of the front end and the middle of the rear end of the trolley body; the movable transmission belt is in transmission connection with 2 movable driving wheels; the mobile driving motor is fixed at the front end of the trolley body and is in transmission connection with a mobile driving wheel arranged in the middle of the front end of the trolley body;
the lower end of the jacking seat is fixed on the upper side part of the movable transmission belt.
5. The trolley for drilling and arch mounting as claimed in claim 4, wherein the arch moving mechanism further comprises a guide rail, one of which is fixed on the top surface of the trolley body on both sides of the moving belt; the runner is concavely provided with a sliding groove in sliding fit with the guide rail.
6. The trolley for drilling and arch center installation according to claim 1, wherein the walking driving mechanism comprises a steering driving motor, a mounting seat, a walking wheel and a walking driving motor, the steering driving motor is fixed on a cross bar at the bottom of the trolley body, and an output shaft of the steering driving motor vertically penetrates through the cross bar at the bottom of the trolley body downwards and is connected with the cross bar in a rotating manner; the mounting seat is fixed at the lower end of the output shaft of the steering driving motor; the travelling wheel is rotationally connected to the mounting seat; the walking driving motor is fixed on the side surface of the mounting seat and is in transmission connection with the walking wheel.
7. The trolley for drilling and arch mounting of claim 1, wherein the side drilling platform comprises a first side drilling platform, a second side drilling platform, a side extension platform and an extension telescopic cylinder, the first side drilling platform is adjacent to the top surface of the trolley body; the second side drilling platform is positioned below the first side drilling platform, and the cross section of the second side drilling platform is rectangular; one side of the side surface extending platform is hinged to the outer end surface of the upper side of the second side surface drilling platform; the lower end of the extension telescopic oil cylinder is hinged to the outer end face of the lower side of the second side face drilling platform, and the upper end of the extension telescopic oil cylinder is hinged to the outer end of the lower surface of the side face extension platform.
8. The trolley for drilling and arch mounting as claimed in claim 1, wherein the front drilling platforms are arranged in 2 groups at intervals up and down at the front end of the trolley body, the front drilling platforms comprise a platform body, a hinge rod and an extension and retraction oil cylinder, and the inner end surface of the platform body is hinged on the trolley body; the upper end of the hinge rod is hinged to the outer end of the lower surface of the platform body, and the lower end of the hinge rod is hinged to the trolley body; the upper end of the extension telescopic oil cylinder is hinged to the upper end and the lower end of the trolley body, extends outwards and is hinged to the middle of the hinge rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129162.XU CN216342230U (en) | 2021-12-13 | 2021-12-13 | Trolley for drilling and arch center installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129162.XU CN216342230U (en) | 2021-12-13 | 2021-12-13 | Trolley for drilling and arch center installation |
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| CN216342230U true CN216342230U (en) | 2022-04-19 |
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| CN202123129162.XU Active CN216342230U (en) | 2021-12-13 | 2021-12-13 | Trolley for drilling and arch center installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961802A (en) * | 2022-06-15 | 2022-08-30 | 山东龙泰节能技术有限责任公司 | Feeding mechanism, conveying mechanism and automatic lifting arch frame trolley |
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2021
- 2021-12-13 CN CN202123129162.XU patent/CN216342230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961802A (en) * | 2022-06-15 | 2022-08-30 | 山东龙泰节能技术有限责任公司 | Feeding mechanism, conveying mechanism and automatic lifting arch frame trolley |
| CN114961802B (en) * | 2022-06-15 | 2023-08-29 | 山东龙泰节能技术有限责任公司 | Feeding mechanism, conveying mechanism and automatic lifting arch frame trolley |
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