CN112921818A - Sliding trolley for moving trestle - Google Patents
Sliding trolley for moving trestle Download PDFInfo
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- CN112921818A CN112921818A CN202110160571.1A CN202110160571A CN112921818A CN 112921818 A CN112921818 A CN 112921818A CN 202110160571 A CN202110160571 A CN 202110160571A CN 112921818 A CN112921818 A CN 112921818A
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- sleeve
- sliding trolley
- trestle
- outer sleeve
- moving
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The invention relates to a sliding trolley for moving a trestle, which comprises: the rail wheel assembly comprises a rail wheel frame body welding part, a driving wheel, a driven wheel and a driving device; the frame body assembly comprises at least two cross beams and two groups of supporting structures which are positioned on two sides of the bridge body and used for providing support for the cross beams, each cross beam is provided with at least two supporting wheels which are respectively rotatably supported at the bottoms of the two sides of the bridge body, the inner side of the upper part of each group of supporting structures is provided with a track wheel assembly, and when the sliding trolley is used, the driving wheels, the driven wheels and the annular grooves on the peripheries of the supporting wheels are respectively clamped on the upper side and the lower side of the track of the bridge body; the supporting structure comprises a sleeve and a longitudinal beam, wherein the sleeve comprises an outer sleeve and an inner sleeve which is assembled on the inner side of the outer sleeve in a lifting manner; the lower support leg assembly is detachably connected to the bottom of the inner sleeve; the lower end of the beam is provided with a connecting part for hoisting the central trough ditch template, and the lower leg assembly is provided with a connecting part for hoisting the inverted arch template.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a sliding trolley for a movable trestle.
Background
In order to meet the transportation demand and promote the construction of urban traffic networks, road construction is vigorously carried out in China in recent years. Tunnel construction is one of the important contents of road construction, and in the process of tunnel construction, a trestle is indispensable tunnel construction equipment.
Tradition removes landing stage mainly by main bridge body, preceding approach, back approach, front and back landing leg, drive arrangement isotructure constitutes, in order to carry out the lining construction, be furnished with inverted arch template and central water slot template simultaneously, but the template is fixed on the landing stage body usually, move together along with the landing stage, some templates and landing stage part, must use solitary hoisting equipment during the removal, this just makes construction process complicated, the excavation, the lining construction can not go on in step, inverted arch construction quality is difficult to control, lead to the landing stage to remove frequently, high in labor strength, the incident is frequent, the efficiency is very low, tunnel construction speed has been influenced greatly.
Disclosure of Invention
In order to solve the problems, the invention provides a sliding trolley for moving a trestle, which can realize the demoulding and moving of an inverted arch template and a central water groove template in tunnel construction, and simultaneously plays a supporting role in the movement of the trestle, thereby improving the adaptability and flexibility of the trestle, improving the tunnel construction efficiency and reducing the cost.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The invention provides a sliding trolley for moving a trestle, which comprises: the rail wheel assembly comprises a rail wheel frame body welding part, a driving wheel, a driven wheel and a driving device, wherein the driving wheel, the driven wheel and the driving device are fixedly assembled in the rail wheel frame body welding part; the frame body assembly comprises at least two cross beams which are used for being supported below the bridge body and two groups of supporting structures which are positioned on two sides of the bridge body and used for providing support for the cross beams, each cross beam is provided with at least two supporting wheels which are respectively rotatably supported at the bottoms of two sides of the bridge body, the inner side of the upper part of each group of supporting structures is provided with a track wheel assembly, and when the sliding trolley is used, the driving wheels, the driven wheels and the annular grooves on the periphery of the supporting wheels are respectively clamped on the upper side and the lower side of a track of the bridge; the supporting structure comprises sleeves and longitudinal beams positioned between the adjacent sleeves, wherein each sleeve comprises an outer sleeve connected with a welding piece of the track wheel carrier body and the cross beam respectively and an inner sleeve assembled in the outer sleeve in a sliding mode through a lifting oil cylinder fixed in the outer sleeve; the lower support leg assembly is detachably connected to the bottom of the inner sleeve to provide support for the sliding trolley; the lower end of the beam is provided with a connecting part for hoisting the central trough ditch template, and the lower leg assembly is provided with a connecting part for hoisting the inverted arch template.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
The inner side of the outer sleeve is further provided with a side guide wheel which is used for being matched with the outer side of the bridge body to prevent the sliding trolley and the trestle from laterally deviating.
The side guide wheels are at least 8, and are divided into an upper group and a lower group, and the upper group and the lower group respectively abut against the outer side surfaces of the upper part and the lower part of the trestle bridge body to realize the lateral limiting function of the sliding trolley in the moving process.
The outer sleeve comprises an outer sleeve upper part and an outer sleeve lower part which are detachably connected, wherein the rail wheel frame body welding piece is fixed on the inner side of the outer sleeve upper part through a bolt, and the cross beam is fixedly connected with the inner side of the outer sleeve lower part.
The sliding trolley for the movable trestle is characterized in that the upper part of the outer sleeve and the lower part of the outer sleeve are detachably connected through the connecting flange fixedly connected to the end face of the outer sleeve, and the connecting flange and the outer sleeve at the fixed end of the connecting flange are reinforced through the reinforcing rib.
The support wheel is arranged on a support wheel seat fixed on the cross beam.
In the sliding trolley for moving the trestle, the connecting parts on the lower end of the crossbeam and the lower leg assembly are connecting lifting lugs.
The lower support leg assembly comprises a support leg sleeve and a support leg which is arranged at the bottom of the support leg sleeve through a pin shaft and used for meeting the support requirement when the ground is not flat.
The sliding trolley for the movable trestle is characterized in that a reinforcing hoop for preventing the leg sleeve from cracking is welded at the lower part of the leg sleeve.
The sliding trolley for the movable trestle comprises a support leg sleeve, wherein the support leg sleeve is provided with a side-to-side overturning lifting lug, the side-to-side overturning lifting lug is arranged on the side-to-side overturning lifting lug and is hung on the hanging lifting lug on the outer side of the inner sleeve, and a connecting part for connecting an inverted arch template is welded in the middle of the support leg sleeve.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages:
the sliding trolley for the movable trestle is arranged on the main bridge of the movable trestle, and plays a role in supporting the trestle when the trestle moves. When the motor works, the sliding trolley can move back and forth along the track on the trestle main bridge under the driving of the motor and is connected with the inverted arch template or the central water groove template through the connecting lifting lug, so that the inverted arch template or the central water groove template is driven to move, meanwhile, the lifting oil cylinder arranged on the sliding trolley can realize the demoulding work of the inverted arch template and the central water groove template, the work of driving the template to move can be completed by utilizing the driving of the motor, and meanwhile, the supporting function is realized when the trestle moves, thus, the excavation and lining construction of the trestle can be simultaneously realized after one-time movement, the problem of mutual interference between tunnel construction processes is solved, the construction efficiency is improved, and the construction cost is reduced.
The movable trestle supporting device has the advantages that the sliding trolley on the movable trestle is effectively innovated, the forward and backward movement of the sliding trolley and the height adjustment of the supporting legs are realized, the movable trestle is integrally matched with the movable trestle for use, the supporting effect is realized when the trestle moves, the work of demolding and moving an inverted arch template, the movement of a central water channel template and the like can be completed, the movable trestle supporting device has multiple functions, the working efficiency of tunnel construction can be improved, and the construction cost is saved.
Drawings
FIG. 1 is a schematic view of a sliding trolley for a mobile trestle of the invention installed in the mobile trestle;
FIG. 2 is a schematic structural view of a sliding trolley for moving a trestle according to the present invention;
FIG. 3 is a schematic view of a left rail wheel assembly of the sliding trolley for moving the trestle according to the invention;
FIG. 4 is a schematic view of a frame assembly of the sliding cart for moving the trestle according to the present invention;
fig. 5 is a schematic view of a lower leg assembly of the sliding trolley for moving the trestle according to the invention.
[ description of main element symbols ]
1-a track wheel assembly, wherein,
2-frame assembly
3-lower support leg assembly
101-drive motor and speed reducer
102-rail wheel frame body welding part
103-driving wheel
104-driven wheel
201-upper part of outer sleeve
202-lower portion of outer sleeve
203-side guide wheel
204-Cross Beam
205-lifting oil cylinder
206-inner sleeve
207-support wheel
208-stringer
209-suspension lifting lug
210-first connecting lug
301-leg sleeve
302-pin shaft
303-support leg
304-reinforcing hoop
305-turnover lifting lug
306-second connecting lug
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the sliding cart for moving trestles according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, which are schematic structural diagrams of parts of a sliding trolley for a mobile trestle according to the present invention, the sliding trolley includes an upper rail wheel assembly 1, a middle frame assembly 2, and a lower leg assembly 3, which are detachably connected, in an embodiment of the present invention, the upper rail wheel assembly 1, the middle frame assembly 2, and the lower leg assembly 3 are connected together by bolts, so as to facilitate the detachment and installation of the sliding trolley.
The rail wheel assembly includes 7.5 KW's driving motor and reduction gear 101, drive wheel 103, follows driving wheel 104 and rail wheel frame body seam piece 102, drive wheel 103 and follow driving wheel 104 all rotate the assembly in rail wheel frame body seam piece 102, and the two is connected through drive chain, fix driving motor and reduction gear 101 on rail wheel frame body seam piece 102 and provide power to drive wheel 103, wherein the power that driving motor provided passes through the reduction gear and exports drive wheel 103, makes drive wheel 103 rotate, two driven driving wheel 104 rotations around drive wheel 103 drives through drive chain. When the sliding trolley is used, the grooves of the driven wheel and the driving wheel are clamped on the track on the trestle bridge body, so that the sliding trolley can move back and forth along the track.
Dolly support body assembly 2 slides includes 4 outer sleeves, and 2 longerons 208 constitute two H type structures that are used for keeping off in the landing stage bridge body outside with above-mentioned 4 sleeves, and above-mentioned two H type structures set up in landing stage bridge body both sides relatively, and connect through two crossbeams 204 that are used for providing the support for the landing stage bridge body.
A supporting wheel seat is further fixed on the cross beam 204, and supporting wheels 207 for supporting the trestle bridge body are assembled on the supporting wheel seat. Each beam 204 is provided with at least two supporting wheels 207 which are respectively supported at the bottoms of the two sides of the trestle body.
In the embodiment of the present invention, 4 support wheels are respectively distributed at two ends of the two cross beams 204, and the support wheel seat of the support wheel 207 is welded on the cross beam. The supporting wheel 207 is also provided with an annular groove for being clamped at the bottom of a lower track of the trestle body. The bottom of the beam 204 is also provided with a first connecting lug 210 for connecting a center channel ditch template to be moved. When the dolly that slides moves the template top, the accessible is connected central groove ditch template with the dolly that slides through first connection lug 210, realizes the removal of the central ditch groove that slides. In other embodiments of the invention, the bottom of the cross beam is provided with other connecting parts for connecting the central trough ditch templates.
The rail wheel frame body welding part 102 is fixed on the inner side of the upper end of the H-shaped structure, and the annular grooves on the peripheries of the driven wheel 104 and the driving wheel 103 which are assembled in the rail wheel frame body welding part 102 can be clamped on the rails of the trestle bridge body.
In an embodiment of the present invention, to facilitate the installation of the frame assembly, the outer sleeve includes an upper outer sleeve portion 201 and a lower outer sleeve portion 202, which are connected by bolts. In the embodiment of the present invention, fixing pieces are fixedly connected to the lower end surface of the upper portion 201 of the outer sleeve and the upper end surface of the lower portion 202 of the outer sleeve, bolt holes are formed in the fixing pieces, and the upper portion and the lower portion of the outer sleeve are fixed by bolt connection of the fixing pieces. In order to increase the reliability of the fixation, a plurality of reinforcing ribs are arranged between the fixing plate and the end outer sleeve on which the fixing plate is arranged.
The inner side of the outer sleeve is also provided with a side guide wheel 203 which is used for matching with the outer side of the trestle body to prevent the lateral deviation between the sliding trolley and the trestle in the relative movement process. In the embodiment of the invention, 8 side guide wheels 203 are respectively positioned on the inner sides of the upper and lower parts of the four outer sleeves and respectively abut against the outer side surfaces of the upper and lower parts of the trestle bridge body, so that the lateral limiting function of the sliding trolley in the moving process is realized.
In the embodiment of the invention, 4 outer sleeves, 2 cross beams and 4 longitudinal beams are respectively welded together to form a frame body welding part, and 8 side guide wheels are rotatably assembled on the outer sleeves through bolts, so that the lateral limiting function of the sliding trolley in the moving process is realized. Preferably, the side guide wheels are in partial contact with the landing bridge body all the time during the rotation process, but the side guide wheels are not limited to this.
And a lifting oil cylinder 205 is fixed in the lower part 202 of the outer sleeve, the other end of the lifting oil cylinder is fixedly connected with the inner sleeve 206, namely, the upper end of the inner sleeve 206 is slidably assembled in the outer sleeve through the lifting oil cylinder 205. In the embodiment of the present invention, the lower outer side of the inner sleeve 206 is provided with a hanging lug 209 for hanging the lower limb withdrawing assembly under the outer side of the frame after being overturned.
The lower supporting leg assembly mainly comprises a supporting leg sleeve 301, a supporting leg 303, a turnover lifting lug 305, a reinforcing hoop 304, a second connecting lifting lug 306 and other mechanisms, wherein the supporting leg 303 is arranged at the bottom of the supporting leg sleeve 301 through a pin shaft, so that the supporting requirement when the ground is supported to be uneven can be met, and the reinforcing hoop 304 is welded at the lower part of the supporting leg sleeve to prevent the lower part of the sleeve from cracking. Landing leg sleeve 301 up end rigid coupling has and is used for being connected fixed flange with inner sleeve 206 bottom connecting plate, is equipped with the bolt hole on this flange, realizes dismantling between landing leg sleeve 301 and the inner sleeve 206 and is connected.
The outer side of the upper end of the leg sleeve 301 is also provided with a turning lug 305 for turning the lower leg assembly upwards to hang on the hanging lug 209 outside the inner sleeve 206 when the sliding trolley passes over the inverted arch formwork. The turning lug 305 and the hanging lug 209 are connected through a pin. Namely, the lower leg assembly of the invention is connected with the frame body assembly of the sliding trolley through a bolt, when the sliding trolley needs to stride over the end of the inverted arch template to drag the central ditch template, the connecting bolt needs to be removed, the lower leg assembly is turned over to the side, and is fixed on the hanging lug 209 through the turning lug 305 and the pin shaft. When the sliding trolley moves above the central ditch template, the central ditch template is hung on the first connecting lifting lug 210 through the hook, and the sliding trolley can pull the central ditch template to move.
The second connecting lifting lug 306 is fixed on one side of the middle part of the leg sleeve and is used for hanging and lifting the inverted arch formwork.
In the moving process of the trestle, the landing legs of the sliding trolley support the ground, the bridge body is driven by the driving device of the sliding trolley under the support of the support wheels 207 to move forwards, at the moment, the sliding trolley plays a role in supporting the bridge body of the main bridge, after the trestle is moved in place, the landing legs of the sliding trolley are folded on the landing legs in the front and at the back of the trestle, and therefore the sliding trolley can be moved to a required position.
When the sliding trolley is required to pull the inverted arch template, the inner sleeve 206 is firstly contracted to the same horizontal position as the inverted arch template connecting support through the lifting oil cylinder 205, the sliding trolley and the inverted arch template are connected together through the second connecting lifting lug 306, then the inverted arch template is lifted upwards through lifting of 4 lifting oil cylinders, demoulding is achieved, and after demoulding is completed, the sliding trolley can drive the inverted arch template to move forwards under the driving of the motor.
When the central ditch template is pulled by the sliding trolley, the lower supporting leg of the sliding trolley is overturned towards two sides and is fixed by the overturning lug plate and the pin shaft, so that the sliding trolley can smoothly cross over the end die of the inverted arch template and moves to the position of the central ditch template, the sliding trolley and the central ditch template are connected together through the first connecting lifting lug 210, and the central ditch template is driven to move forwards by the sliding trolley.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A dolly that slides for moving landing stage, its characterized in that includes: the rail wheel assembly comprises a rail wheel frame body welding part, a driving wheel, a driven wheel and a driving device, wherein the driving wheel, the driven wheel and the driving device are fixedly assembled in the rail wheel frame body welding part; the frame body assembly comprises at least two cross beams which are used for being supported below the bridge body and two groups of supporting structures which are positioned on two sides of the bridge body and used for providing support for the cross beams, each cross beam is provided with at least two supporting wheels which are respectively rotatably supported at the bottoms of two sides of the bridge body, the inner side of the upper part of each group of supporting structures is provided with a track wheel assembly, and when the sliding trolley is used, the driving wheels and the driven wheels are respectively clamped on the upper side and the lower side of a track of the bridge body through annular grooves on the peripheries of the supporting wheels; the supporting structure comprises sleeves and longitudinal beams positioned between the adjacent sleeves, wherein each sleeve comprises an outer sleeve connected with a welding piece of the track wheel carrier body and the cross beam respectively and an inner sleeve assembled on the inner side of the outer sleeve in a sliding mode through a lifting oil cylinder fixed in the outer sleeve; the lower support leg assembly is detachably connected to the bottom of the inner sleeve to provide support for the sliding trolley; the lower end of the beam is provided with a connecting part for hoisting the central trough ditch template, and the lower leg assembly is provided with a connecting part for hoisting the inverted arch template.
2. The sliding cart for moving a trestle according to claim 1, wherein the inner side of said outer sleeve is further provided with side guide wheels for engaging with the outer side of the trestle to prevent lateral deviation between the sliding cart and the trestle.
3. The sliding trolley according to claim 2, wherein the number of the side guide wheels is at least 8, and the side guide wheels are divided into an upper group and a lower group, and respectively abut against the outer side surfaces of the upper part and the lower part of the trestle bridge body to realize the lateral limiting function of the sliding trolley during the moving process.
4. The sliding trolley for moving the trestle according to claim 1 or 2, wherein the outer sleeve comprises an upper part and a lower part which are detachably connected, the rail wheel frame body welding part is fixed on the inner side of the upper part of the outer sleeve through a bolt, and the cross beam is fixedly connected with the inner side of the lower part of the outer sleeve.
5. The sliding trolley for moving the trestle according to claim 4, wherein the upper part of the outer sleeve and the lower part of the outer sleeve are detachably connected through a connecting flange fixedly connected to the end surface of the outer sleeve, and the connecting flange is reinforced with the outer sleeve at the fixed end of the connecting flange through a reinforcing rib.
6. The sliding trolley for moving trestle according to claim 1 or 2, wherein the supporting wheels are mounted on supporting wheel seats fixed on the cross beam.
7. The sliding trolley for moving trestle according to claim 1 or 2, wherein the connecting parts at the lower end of the cross beam and on the lower leg assembly are connecting lugs.
8. The sliding trolley for moving trestle according to claim 1 or 2, wherein the lower leg assembly comprises a leg sleeve and a support foot mounted at the bottom of the leg sleeve by a pin for meeting the supporting requirement of uneven ground.
9. The sliding cart for moving a trestle according to claim 8, wherein a reinforcing hoop for preventing the leg sleeve from cracking is welded to the lower part of the leg sleeve.
10. The sliding trolley for moving the trestle according to claim 8, wherein the leg sleeve is further provided with a turning lifting lug at the outer side of the upper end thereof for enabling the leg sleeve to be laterally turned over and hung on the hanging lifting lug at the outer side of the inner sleeve, and the connecting member for hoisting the inverted arch form is fixed on the leg sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160571.1A CN112921818B (en) | 2021-02-05 | 2021-02-05 | Sliding trolley for moving trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160571.1A CN112921818B (en) | 2021-02-05 | 2021-02-05 | Sliding trolley for moving trestle |
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| Publication Number | Publication Date |
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| CN112921818A true CN112921818A (en) | 2021-06-08 |
| CN112921818B CN112921818B (en) | 2023-07-21 |
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| CN202110160571.1A Active CN112921818B (en) | 2021-02-05 | 2021-02-05 | Sliding trolley for moving trestle |
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| CN207960621U (en) * | 2017-12-29 | 2018-10-12 | 成都科利特机械制造有限公司 | Hoist engine drives inverted arch trestle |
| CN208778002U (en) * | 2018-05-17 | 2019-04-23 | 湖南五新模板有限公司 | A kind of stepping trailer wagon structure of main spar inverted arch trestle |
| CN111535148A (en) * | 2020-05-27 | 2020-08-14 | 李军 | Self-propelled landing stage dolly for inverted arch landing stage platform truck |
| CN111550269A (en) * | 2020-05-27 | 2020-08-18 | 李军 | Self-propelled removes inverted arch landing stage |
| CN111663430A (en) * | 2020-06-09 | 2020-09-15 | 中铁十一局集团汉江重工有限公司 | Angularly adjustable and horizontal adjustable removes landing stage |
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2021
- 2021-02-05 CN CN202110160571.1A patent/CN112921818B/en active Active
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| US20170015532A1 (en) * | 2014-04-04 | 2017-01-19 | Konecranes Global Corporation | Moving crane |
| CN207673352U (en) * | 2017-12-04 | 2018-07-31 | 中铁十二局集团第三工程有限公司 | Cable trough lining trolley |
| CN207960621U (en) * | 2017-12-29 | 2018-10-12 | 成都科利特机械制造有限公司 | Hoist engine drives inverted arch trestle |
| CN208778002U (en) * | 2018-05-17 | 2019-04-23 | 湖南五新模板有限公司 | A kind of stepping trailer wagon structure of main spar inverted arch trestle |
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Non-Patent Citations (1)
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| 清凉旧韶光: "《百度》", 18 April 2020 * |
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| CN112921818B (en) | 2023-07-21 |
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