CN212406744U - Template platform truck is filled to high-speed railway tunnel center ditch secondary - Google Patents
Template platform truck is filled to high-speed railway tunnel center ditch secondary Download PDFInfo
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- CN212406744U CN212406744U CN202020875933.6U CN202020875933U CN212406744U CN 212406744 U CN212406744 U CN 212406744U CN 202020875933 U CN202020875933 U CN 202020875933U CN 212406744 U CN212406744 U CN 212406744U
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- formwork
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- trolley
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Abstract
The utility model belongs to the technical field of secondary concrete filling construction of tunnel center ditches, in particular to a secondary filling template trolley of a high-speed rail tunnel center ditch, which comprises a portal system; the lifting system is hung on the gantry system; the top of the template system is fixedly connected with the lifting system, and the lifting system drives the template system to lift; the upper top surface positioning mechanism is arranged at the top of the template system and used for limiting the template system to move up and down; and the template positioning fixture is arranged on the template system and used for fixing the position between the templates. The utility model discloses the location is accurate, can guarantee linear and concrete face roughness, has improved the efficiency of construction greatly, alleviates personnel intensity of labour.
Description
Technical Field
The utility model belongs to the technical field of the construction is filled to tunnel center ditch secondary concrete, concretely relates to template platform truck is filled to high-speed railway tunnel center ditch secondary.
Background
When a high-speed rail tunnel is constructed at the center ditch at present, in the prior art, a small combined steel template is mostly used, concrete is poured to construct the tunnel center ditch after manual formwork erection, the manual formwork erection needs to consume a large amount of human resources, the construction speed is slow, when the formwork erection is carried out, the straightness and flatness calibration and adjustment are frequently carried out, a large amount of time is occupied, and the construction quality cannot be guaranteed, so that the requirements of the high-speed rail tunnel on the concrete construction quality are higher and higher, and the requirements of the site construction quality and progress cannot be met by using a manual formwork erection mode; in addition, the hydraulic trolley needs to be used for laying steel rails, the weight of the trolley is large, the workload is large when the position is adjusted, the trolley needs to be operated by multiple persons when walking, and the construction efficiency is not high.
Disclosure of Invention
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a template platform truck is filled to high-speed railway tunnel center ditch secondary, fixes a position accurately, can guarantee linear and concrete face roughness, has improved the efficiency of construction greatly, alleviates personnel intensity of labour.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model discloses a template platform truck is filled to high-speed railway tunnel center ditch secondary, include:
a gantry system;
the lifting system is hung on the gantry system;
the top of the template system is fixedly connected with the lifting system, and the lifting system drives the template system to lift;
the upper top surface positioning mechanism is arranged at the top of the template system and used for limiting the template system to move up and down;
and the template positioning fixture is arranged on the template system and used for fixing the position between the templates.
Furthermore, the portal system comprises a portal support and a rectangular bottom support, the portal support comprises a horizontal beam and vertical beams vertically fixed at two ends of the horizontal beam, and the lower end of each vertical beam is fixedly connected with the rectangular bottom support.
Furthermore, the walking wheel support also comprises a plurality of groups of walking wheels which are symmetrically arranged on the bottom surface of the rectangular bottom support.
Further, the hoisting system comprises an electric hoist, a lifting hook above the electric hoist is hooked on a lifting lug arranged at the bottom of the horizontal beam, and the tail end of a chain of the electric hoist is connected with the template system through a connecting part.
Further, the template system comprises a first template system and a second template system which are symmetrically arranged, the first template system comprises a first template and a second template positioned on the inner side of the first template, and the second template system comprises a third template which is symmetrical to the first template and a fourth template which is symmetrical to the second template; and a first square steel and a second square steel are respectively fixed on the upper parts of the outer sides of the second template and the fourth template.
Furthermore, the connecting part comprises a triangular part and a cross shaft fixed with the triangular part, first fixing seats are oppositely arranged at the tops of the second template and the fourth template, two ends of the cross shaft penetrate out of the first fixing seats and can move left and right in the first fixing seats, and the tail end of a chain of the electric hoist is fixedly connected with the triangular part.
Furthermore, the upper top surface positioning mechanism adopts a plurality of steel pipes, a second fixing seat is arranged at the tops of the first template and the third template relatively, and two ends of each steel pipe penetrate out of the second fixing seat and can move left and right in the second fixing seat.
Furthermore, the template positioning fixture adopts a plurality of steel bars, corresponding first screw holes are arranged at the tops of the first template and the second template, corresponding second screw holes are arranged at the tops of the third template and the fourth template, the two ends of each steel bar are bent and then inserted into the corresponding first screw holes, so that the first template and the second template are fixed in position, and the two ends of each steel bar are bent and then inserted into the corresponding second screw holes, so that the third template and the fourth template are fixed in position.
The positioning and demolding screw rod is divided into two sections, namely a forward threaded screw rod and a reverse threaded screw rod, one end of the forward threaded screw rod and one end of the reverse threaded screw rod are fixedly connected with the second template and the fourth template respectively, and the other end of the forward threaded screw rod and the reverse threaded screw rod are connected through a sleeve with an internal thread.
Furthermore, the device also comprises vertical adjusting screw rods which are distributed at four corners of the rectangular bottom support and are connected with the rectangular bottom support through threads.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a template platform truck is filled to high-speed railway tunnel center ditch secondary, utilize on-the-spot loader or excavator to pull during the walking, utilize electric block adjustment template system height earlier during the location, recycle the vertical adjustment lead screw and carry out the vertical direction location, utilize location drawing of patterns lead screw and in-band silk sleeve to carry out the horizontal direction location, go into the screw hole with template positioning fixture card after the location is accomplished, prevent that the displacement from taking place for the template position in the work progress, rotate the in-band silk sleeve pipe after the construction is over, can the drawing of patterns fast. The utility model discloses utilize the job site material to carry out the field machining, processing cycle is short, processing is convenient, practice thrift the processing cost, use vertical adjustment lead screw and location drawing of patterns lead screw to template level and vertical position accurate positioning, the location is accurate, guarantees linear and concrete face roughness, 24 meters of single construction (artifical founding mould and hydraulic trolley single construction are 12 meters), the shaping is effectual, the operation of vibrating when making things convenient for concrete placement has improved concrete construction quality and efficiency of construction, alleviates personnel intensity of labour.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic front view structure diagram of a secondary filling formwork trolley for a central ditch of a high-speed rail tunnel according to an embodiment of the present invention;
fig. 2 is a schematic top view of the high-speed rail tunnel center ditch secondary filling formwork trolley according to the embodiment of the present invention;
fig. 3 is the utility model discloses tunnel center ditch secondary filling construction schematic diagram.
The reference numbers in the figures denote:
101. the tunnel formwork comprises a horizontal cross beam, 102 vertical beams, 103 rectangular bottom supports, 104 travelling wheels, 201 electric hoists, 202 lifting hooks, 203 lifting lugs, 204 chains, 205 triangular pieces, 206 transverse shafts, 207 first fixing seats, 301 first formworks, 302 second formworks, 303 third formworks, 304 fourth formworks, 305 first square steels, 306 second square steels, 401 steel pipes, 402 second fixing seats, 501 reinforcing steel bars, 6 positioning demolding screw rods, 7 vertical adjusting screw rods, 8 central ditch cover plates, 9 tunnel central ditch secondary filling, 10 inverted arches, 11 inverted arch primary supports, 12 inverted arch filling and 13 internally threaded sleeves.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1 and 2, the high-speed rail tunnel center ditch secondary filling template trolley of the embodiment includes a gantry system, a lifting system, a template system, an upper top surface positioning mechanism, a template positioning fixture, a positioning demolding screw rod 6 and a vertical adjusting screw rod 7.
The portal system is used for supporting the weight of the lifting system and the template system, comprises a plurality of side-by-side door-shaped supports and rectangular bottom supports 103, and can adopt I-shaped steel, each door-shaped support comprises a horizontal cross beam 101 and vertical beams 102 fixed at two ends of the horizontal cross beam 101 through bolts, the vertical beams 102 are perpendicular to the horizontal cross beam 101, and the lower ends of the vertical beams 102 are fixedly connected with the rectangular bottom supports 103 through bolts. A plurality of groups of travelling wheels 104 are symmetrically arranged on the bottom surface of the rectangular bottom support 103 and are used for the whole trolley to travel.
The lifting system is used for driving the template system to realize lifting and comprises an electric hoist 201, a lifting lug 203 is installed at the bottom of the horizontal beam 101, a lifting hook 202 above the electric hoist 201 is hooked on the lifting lug 203, and the tail end of a chain 204 of the electric hoist 201 is connected with the template system through a connecting part.
The template system is a temporary supporting structure, so that poured concrete is formed according to specified positions and geometric dimensions, the template system is used for building a tunnel central ditch for secondary filling 9, and comprises a first template system and a second template system which are symmetrically arranged, the first template system comprises a first template 301 and a second template 302 positioned on the inner side of the first template 301, and the second template system comprises a third template 303 symmetrical to the first template 301 and a fourth template 304 symmetrical to the second template 302; the first square steel 305 and the second square steel 306 are respectively fixed on the upper parts of the outer sides of the second template 302 and the fourth template 304, and the first square steel 305 and the second square steel 306 can ensure the accurate position of the rear center gutter cover plate 8.
The connecting part comprises a triangular part 205 and a transverse shaft 206 welded with the triangular part 205 into a whole, a first fixed seat 207 is oppositely arranged at the top of the second template 302 and the top of the fourth template 304, a through hole is formed in the first fixed seat 207, two ends of the transverse shaft 206 penetrate out of the through hole and can move left and right in the through hole, and the tail end of a chain 204 of the electric hoist is fixedly connected with the triangular part 205; the connecting part is used for connecting the electric hoist 201 and the template system and lifting the template system by the electric hoist 201, and the transverse shaft 206 can move in the through hole to prevent the second template 302 and the fourth template 304 from being horizontally moved and positioned.
The upper top surface positioning mechanism adopts a plurality of steel pipes 401 (the diameter is 42 mm), a second fixed seat 402 is oppositely arranged at the tops of the first template 301 and the third template 303, a through hole is formed in the second fixed seat 402, and two ends of the steel pipes 401 penetrate out of the through hole and can move left and right in the through hole; the steel pipe 401 can prevent the formwork from floating upwards in concrete construction; further, the first template 301 and the third template 303 are connected by using a steel pipe 401, and the second template 302 and the fourth template 304 are connected by the horizontal shaft 206, so that the template system as a whole can be lifted.
The template positioning fixture adopts a plurality of steel bars 501 (the diameter is 12 mm), corresponding first screw holes are arranged at the tops of the first template 301 and the second template 302, corresponding second screw holes are arranged at the tops of the third template 303 and the fourth template 304, the two ends of the steel bars 501 are bent and then inserted into the corresponding first screw holes, so that the first template 301 and the second template 302 are fixed in position, the two ends of the steel bars 501 are bent and then inserted into the corresponding second screw holes, so that the third template 303 and the fourth template 304 are fixed in position, and the displacement of the template positions in the construction process is prevented.
The vertical adjusting screw rods 7 are distributed at four corners of the rectangular bottom support 103 and are in threaded connection with the rectangular bottom support 103, and the template system can be accurately positioned in the vertical direction by utilizing the vertical adjusting screw rods 7.
The positioning and demolding screw rod 6 is divided into an upper row and a lower row, the positioning and demolding screw rod 6 is divided into two sections, namely a forward threaded screw rod and a reverse threaded screw rod, one end of each of the forward threaded screw rod and the reverse threaded screw rod is fixedly connected with the second template 302 and the fourth template 304 respectively, the other end of each of the forward threaded screw rod and the reverse threaded screw rod is connected with the inner threaded sleeve 13, and the second template 302 and the fourth template 304 can be accurately positioned in the horizontal direction by rotating the inner threaded sleeve 13.
The working principle is as follows:
as shown in fig. 3, the tunnel center ditch is dragged by a site loader or an excavator during walking, the movement is fast and efficient, the height of the template system is adjusted by an electric hoist 201 during positioning, then vertical direction accurate positioning is performed by a vertical adjusting screw rod 7, horizontal direction accurate positioning is performed by a positioning demoulding screw rod 6 and a sleeve 13 with a thread, after the positioning is completed, a reinforcing steel bar 501 is bent and clamped into a screw hole, the position of the template is fixed during concrete construction, concrete pouring construction is performed between a first template 301 and a second template 302 and between a third template 303 and a fourth template 304, the sleeve 13 with the thread is rotated after the construction is completed, the rapid demoulding can be performed, and the tunnel center ditch secondary filling 9 is formed.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a template platform truck is filled to high-speed railway tunnel center ditch secondary which characterized in that includes:
a gantry system;
the lifting system is hung on the gantry system;
the top of the template system is fixedly connected with the lifting system, and the lifting system drives the template system to lift;
the upper top surface positioning mechanism is arranged at the top of the template system and used for limiting the template system to move up and down;
and the template positioning fixture is arranged on the template system and used for fixing the position between the templates.
2. The high-speed railway tunnel center ditch secondary filling template trolley as claimed in claim 1, wherein the portal system comprises a portal-shaped support and a rectangular bottom support, the portal-shaped support comprises a horizontal cross beam and vertical beams vertically fixed at two ends of the horizontal cross beam, and the lower ends of the vertical beams are fixedly connected with the rectangular bottom support.
3. The high-speed railway tunnel center ditch secondary filling template trolley of claim 2, further comprising a plurality of sets of road wheels symmetrically arranged on the bottom surface of the rectangular bottom support.
4. The high-speed railway tunnel center ditch secondary filling template trolley of claim 2, characterized in that, the hoisting system comprises an electric hoist, the lifting hook above the electric hoist is hooked on the lifting lug installed at the bottom of the horizontal beam, and the chain end of the electric hoist is connected with the template system through a connecting part.
5. The high-speed railway tunnel center ditch secondary filling formwork trolley of claim 4, wherein the formwork system comprises a first formwork system and a second formwork system which are symmetrically arranged, the first formwork system comprises a first formwork and a second formwork which is positioned at the inner side of the first formwork, and the second formwork system comprises a third formwork which is symmetrical to the first formwork and a fourth formwork which is symmetrical to the second formwork; and a first square steel and a second square steel are respectively fixed on the upper parts of the outer sides of the second template and the fourth template.
6. The template trolley for secondary filling of the central ditch of the high-speed rail tunnel according to claim 5, wherein the connecting component comprises a triangular piece and a cross shaft fixed with the triangular piece, the top parts of the second template and the fourth template are oppositely provided with a first fixing seat, two ends of the cross shaft penetrate out of the first fixing seat and can move left and right in the first fixing seat, and the tail end of the chain of the electric hoist is fixedly connected with the triangular piece.
7. The high-speed railway tunnel center ditch secondary filling template trolley of claim 5, characterized in that the upper top surface positioning mechanism adopts a plurality of steel pipes, second fixing seats are oppositely arranged at the tops of the first template and the third template, and two ends of the steel pipes penetrate out of the second fixing seats and can move left and right in the second fixing seats.
8. The high-speed railway tunnel center ditch secondary filling template trolley as claimed in claim 5, wherein the template positioning fixture adopts a plurality of steel bars, corresponding first screw holes are arranged at the tops of the first template and the second template, corresponding second screw holes are arranged at the tops of the third template and the fourth template, two ends of the steel bars are bent and inserted into the corresponding first screw holes to fix the positions of the first template and the second template, and two ends of the steel bars are bent and inserted into the corresponding second screw holes to fix the positions of the third template and the fourth template.
9. The secondary filling template trolley for the central ditch of the high-speed rail tunnel according to claim 5, further comprising a positioning stripping screw rod, wherein the positioning stripping screw rod is divided into two sections, namely a forward threaded screw rod and a reverse threaded screw rod, one end of the forward threaded screw rod and one end of the reverse threaded screw rod are fixedly connected with the second template and the fourth template respectively, and the other end of the forward threaded screw rod and the reverse threaded screw rod are connected through a bushing with an internal thread.
10. The high-speed railway tunnel center ditch secondary filling template trolley as claimed in claim 2, further comprising vertical adjusting screw rods distributed at four corners of the rectangular bottom support and connected with the rectangular bottom support through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875933.6U CN212406744U (en) | 2020-05-22 | 2020-05-22 | Template platform truck is filled to high-speed railway tunnel center ditch secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875933.6U CN212406744U (en) | 2020-05-22 | 2020-05-22 | Template platform truck is filled to high-speed railway tunnel center ditch secondary |
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| Publication Number | Publication Date |
|---|---|
| CN212406744U true CN212406744U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020875933.6U Expired - Fee Related CN212406744U (en) | 2020-05-22 | 2020-05-22 | Template platform truck is filled to high-speed railway tunnel center ditch secondary |
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| Country | Link |
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| CN (1) | CN212406744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645214A (en) * | 2021-01-27 | 2021-04-13 | 中国水电四局（兰州）机械装备有限公司 | Concrete pump truck translation device and lining trolley |
-
2020
- 2020-05-22 CN CN202020875933.6U patent/CN212406744U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645214A (en) * | 2021-01-27 | 2021-04-13 | 中国水电四局（兰州）机械装备有限公司 | Concrete pump truck translation device and lining trolley |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |