CN111042835B - A tunnel cable trench and water trench construction trolley and construction method thereof - Google Patents

Abstract

The invention discloses a tunnel cable trench and ditch construction trolley and a construction method thereof, wherein the tunnel cable trench and ditch construction trolley comprises a main truss with a travelling mechanism, the travelling mechanism comprises a driving part and a driven part with a steering function, suspension devices capable of driving a die set to lift up and down and move horizontally are arranged on the outer sides of upright posts on two sides of the main truss, and the suspension devices are connected with the die set which is complete and is positioned and used through suspension mechanisms; each trolley can be provided with a plurality of sets of die groups with the length of 12 meters, each die group consists of a plurality of die plate groups and a plurality of positioning frames, and the trolley can be separated from the die groups after lifting the die groups to the designated positions, so that the other die groups can be lifted. The die set adjusts the die plate to an accurate position by means of an adjusting mechanism of the die set without the assistance of a trolley. The invention has convenient use, can realize the cyclic operation of a plurality of die sets, is used for the construction of the cable trench and the ditch of the tunnel, shortens the construction period of the ditch and the cable trench, and improves the operation efficiency.

Description

A tunnel cable trench and water trench construction trolley and construction method thereof

Technical Field

The invention relates to a tunnel construction device, in particular to a tunnel cable trench and water trench construction trolley and a construction method thereof.

Background technique

Tunnels are engineering structures buried in the ground, and are a form of human use of underground space. Tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, and mining tunnels. The cable trenches and water ditches in the tunnels are usually constructed separately after the tunnel lining is completed.

Although the traditional pouring of cable trenches and water ditches also uses a trolley to assist in pouring, in the traditional pouring method, one trolley is only equipped with one set of formwork, and the trolley and the formwork cannot be separated during the entire process from concrete pouring to solidification, and multiple sets of formwork cannot be operated in a cycle at the same time, resulting in low construction efficiency.

Summary of the invention

Therefore, in order to overcome the above-mentioned shortcomings, the present invention provides a trolley with reasonable design, simple structure and easy use for the construction of tunnel cable trenches and water ditches. By reasonably designing the trolley, the construction period of the water ditches and cable trenches can be shortened and the cost can be reduced during construction. The problems of low efficiency and unstable quality in the traditional way can be overcome. The reasonable design of the trolley can realize the construction cycle operation and improve the efficiency.

The present invention is implemented in this way: a tunnel cable trench and water ditch construction trolley is constructed, including a main truss with a walking mechanism, the walking mechanism includes an active part and a driven part with a steering function, and a suspension device that can be lifted up and down is installed on the outer side of the columns on both sides of the main truss. The suspension device is connected to a complete set of mold groups that are positioned and ready for use through the suspension mechanism.

Preferably, the suspension device comprises a suspension beam, a sliding column, a sliding sleeve and a pull rod, the inner end of the suspension beam is connected to the sliding sleeve in an articulated manner, the upper end of the pull rod is connected to the upper end of the sliding sleeve in an articulated manner, and the lower end of the pull rod is connected to the outer end of the suspension beam in an articulated manner, the sliding sleeve is sleeved on the outer periphery of the sliding column, and the sliding column is vertically fixedly installed on the outer side of the column;

A lifting cylinder is fixedly installed on the outer side of the column, a piston rod of the lifting cylinder is connected to the sliding sleeve, and a cylinder body is fixedly connected to the column.

Preferably, the suspension mechanism includes a translation sleeve, a translation cylinder and a suspension beam, the translation sleeve is sleeved on the suspension beam, one end of the translation cylinder is connected to the suspension beam, and the other end is connected to the translation sleeve, the translation sleeve is driven to move laterally through the telescopic movement of the translation cylinder, the upper end of the suspension beam is connected to the transverse sleeve, and the lower end is connected to the mold group.

Preferably, the mold set includes a template set and a positioning frame, and the template set is installed below the positioning frame through a position adjustment mechanism;

The upper end of the positioning frame is connected to the translation sleeve through a suspension beam;

The two ends of the positioning frame are ground contact ends, and height-adjustable adjustment legs are installed on the ground contact ends.

Preferably, the template group includes a water ditch template group and a cable ditch template group.

The ditch template group includes ditch side templates on both sides, the two ends of the bottom of the two ditch side templates are connected in a hinged manner, and at the same time, limit plates are provided at both ends to maintain the relative positions of the two ditch side templates;

The cable groove template group comprises cable groove side templates on both sides, and limiting plates for maintaining the relative positions of the two templates are installed at both ends of the two cable groove side templates.

Preferably, the position adjustment mechanism comprises a plurality of vertical turnbuckle bolts, the upper portion of the vertical turnbuckle bolts is connected to the positioning frame, the lower end is connected to the template assembly, and a transverse turnbuckle bolt is connected between the top ends of adjacent vertical turnbuckle bolts.

The height of the formwork set is adjusted by vertical turnbuckles, while the lateral position is adjusted by transverse turnbuckles.

Preferably, the template includes ditch side templates on both sides, the two ends of the bottom of the two ditch side templates are connected in a hinged manner, and limit plates are also provided at both ends to maintain the relative positions of the two ditch side templates;

The cable groove template assembly comprises cable groove side templates on both sides, and limiting plates for maintaining the relative positions of the two templates are installed at both ends of the two cable groove side templates.

Preferably, the hanging beam is connected to the mold assembly by using a basket bolt or an electric hoist or a manual hoist.

A construction method using a tunnel cable trench and a water trench comprises the following steps:

Step 1: prepare multiple sets of mold groups, hoist one set of mold groups to the construction location through the main truss with a walking mechanism, and install the mold group through the positioning frame. During this process, both sides of the main truss are constructed simultaneously;

Step 2: A group of workers pour concrete into the installed mold set. During the pouring, the mold set is separated from the main truss. During the pouring, the main truss hoists another mold set, and hoists the newly hoisted mold set to the designated position, and positions and splices it.

Step 3: Pour concrete into the newly installed mold set. During the pouring, step 2 can be repeated to achieve cyclic pouring, and construction can be carried out on both sides at the same time;

Step 4: Dismantle the mold set after the front concrete solidifies, hoist it as a whole through the main truss, hoist it to the rear end for further installation, and repeat step 2;

Step 5. Repeat steps 3 and 4 until the entire tunnel section is cast.

In this method, the lifting process of step two and step four is as follows: the telescopic movement of the translation cylinder drives the translation sleeve to move on the suspension beam, and the translation sleeve then drives the mold group to move in the lateral direction through the suspension beam; when the suspension beam moves in the vertical direction, the lifting cylinder drives the sleeve to move on the sliding column, thereby driving the mold group to move in the vertical direction through the suspension beam.

In this method, when the mold group is hoisted, the cable trench side mold and the water trench side mold are kept in shape by the limit plate, and the mold plate with the shape is then installed on the positioning frame through the hanging beam, and the positioning frame with the mold plate installed is then connected to the translation sliding sleeve through the hanging beam;

When installing the assembled formwork, its height is adjusted by the position adjustment mechanism. The height of the formwork group is adjusted by the vertical turnbuckle bolts, while the lateral position is adjusted by the lateral turnbuckle bolts.

The present invention has the following beneficial effects:

The present invention has reasonable design, simple structure and is easy to use. Through the reasonable design of the trolley, the construction period of the water ditch and the cable trench can be shortened during construction, the cost can be reduced, and the problems of low efficiency and unstable quality in the traditional way can be overcome. The reasonable design of the trolley can realize the construction cycle operation and improve the efficiency.

Reasonable design of the trolley, which includes a suspension device and a hanging device, wherein the suspension device can move up and down, and the hanging device can realize the hoisting of the mold group and drive it to move left and right; thereby facilitating the position adjustment of the template group;

The suspension device includes a suspension beam, a sliding column, a sliding sleeve and a pull rod. The inner end of the suspension beam is connected to the sliding sleeve in an articulated manner, the upper end of the pull rod is connected to the upper end of the sliding sleeve in an articulated manner, and the lower end of the pull rod is connected to the outer end of the suspension beam in an articulated manner. The sliding sleeve is sleeved on the outer periphery of the sliding column, and the sliding column is vertically fixedly installed on the outer side of the column; a lifting cylinder is fixedly installed on the outer side of the column, the piston rod of the lifting cylinder is connected to the sliding sleeve, and the cylinder body is fixedly connected to the column. When in use, the lifting cylinder drives the sliding sleeve to move on the guide rod, and the moving part drives the suspension beam to move up and down, thereby facilitating the hoisting of the template group.

The suspension device includes a translation sleeve, a translation cylinder and a suspension beam. The translation sleeve is sleeved on the suspension beam. One end of the translation cylinder is connected to the suspension beam, and the other end is connected to the translation sleeve. The translation sleeve is driven to move laterally through the telescopic movement of the translation cylinder. The upper end of the suspension beam is connected to the transverse sleeve, and the lower end is connected to the template group. When in use, the telescopic movement of the translation cylinder drives the translation sleeve to move on the suspension beam, and the translation sleeve then drives the template group to move in the transverse direction through the suspension beam, thereby realizing the left and right position adjustment of the template group.

The template group designed by and can be hoisted and installed in groups. During installation, it only needs to be positioned, and the positioning is convenient. The assembled template will not be deformed. Limiting plates are arranged between adjacent templates, which can keep the distance between the templates unchanged, and a positioning frame is also provided, which can realize the relative position adjustment between each template. At the same time, adjustable legs are arranged at the bottom of the positioning frame to realize fine adjustment of the template height.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the present invention in a tunnel construction state;

FIG2 is a schematic diagram of the state of the present invention when the template group is hoisted in the tunnel;

FIG3 is a partial enlarged schematic diagram of M in FIG2;

FIG4 is a schematic diagram of the template assembly installation state of the present invention;

FIG5 is a schematic diagram of a trolley of the present invention;

FIG6 is a front view of the positioning frame of the present invention;

FIG. 7 is a top view of the positioning frame of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with Figures 1 to 7 to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

As shown in Figures 1 to 7, the present invention provides a tunnel cable trench and water ditch construction trolley, including a main truss 17 with a walking mechanism, the walking mechanism includes an active part 19 and a driven part 18 with a steering function, and a suspension device capable of being lifted up and down is installed on the outer side of the columns 6 on both sides of the main truss. The suspension device is connected to a complete set of mold groups that are positioned and ready for use through the suspension mechanism.

In this embodiment, the suspension device includes a suspension beam 9, a sliding column 13, a sliding sleeve 14 and a pull rod 12. The inner end of the suspension beam is connected to the sliding sleeve 14 in a hinged manner, the upper end of the pull rod is connected to the upper end of the sliding sleeve in a hinged manner, and the lower end of the pull rod is connected to the outer end of the suspension beam in a hinged manner. The sliding sleeve 14 is sleeved on the outer periphery of the sliding column, and the sliding column is vertically fixed on the outside of the column; the pull rod is an adjustable screw jack.

A lifting cylinder is fixedly installed on the outer side of the column, a piston rod of the lifting cylinder is connected to the sliding sleeve, and a cylinder body is fixedly connected to the column.

In this embodiment, the suspension mechanism includes a translation sleeve 10, a translation cylinder 11 and a suspension beam 8. The translation sleeve 10 is sleeved on the suspension beam 9. One end of the translation cylinder is connected to the suspension beam, and the other end is connected to the translation sleeve 10. The translation sleeve is driven to move laterally through the telescopic movement of the translation cylinder. The upper end of the suspension beam 8 is connected to the transverse sleeve, and the lower end is connected to the mold group.

In this embodiment, the mold set includes a template set and a positioning frame 5, and the template set is installed below the positioning frame through a position adjustment mechanism;

The upper end of the positioning frame 5 is connected to the translation sleeve 10 through the suspension beam 8;

The two ends of the positioning frame 5 are ground contact ends, and the ground contact ends are equipped with height-adjustable adjustment legs 1. The adjustment legs include nuts and bolts, and the height of the bolts are inserted into the positioning frame to adjust the height of the legs, so that the height of the legs can be adjusted to adapt to various ground surfaces.

In this embodiment, the template group includes a water ditch template group and a cable ditch template group.

The ditch template group includes ditch side templates 7 on both sides, the two ends of the bottom of the two ditch side templates are connected in a hinged manner, and at both ends, limit plates 4 are provided to maintain the relative positions of the two ditch side templates;

The cable trench template group includes cable trench side templates 3 on both sides, and limiting plates for maintaining the relative positions of the two templates are installed at both ends of the two cable trench side templates.

In this embodiment, the position adjustment mechanism includes a plurality of vertical turnbuckle bolts 2, the upper portion of the vertical turnbuckle bolts is connected to the positioning frame, the lower end is connected to the template group, and a transverse turnbuckle bolt is connected between the top ends of adjacent vertical turnbuckle bolts.

The height of the formwork set is adjusted by vertical turnbuckles, while the lateral position is adjusted by transverse turnbuckles.

In this embodiment, the template includes ditch side templates 7 on both sides, the two ends of the bottom of the two ditch side templates are connected in a hinged manner, and at both ends, limit plates 4 are provided to maintain the relative positions of the two ditch side templates;

The cable trench template assembly comprises cable trench side templates 3 on both sides, and limiting plates for maintaining the relative positions of the two templates are installed at both ends of the two cable trench side templates.

In this embodiment, the hanging beam is connected to the mold assembly by using a turnbuckle bolt or an electric hoist or a manual hoist.

During implementation, each trolley can be equipped with several sets of 12-meter-long mold groups. Each mold group consists of several template groups and several positioning frames. After the trolley lifts the mold group to the specified position, it can detach from the mold group and carry out the lifting of other mold groups. The mold group relies on its own adjustment mechanism to adjust the template to the exact position without the assistance of the trolley.

The invention has reasonable design, simple structure, and is easy to use. It can realize the cyclic operation of multiple mold groups and is used for the construction of tunnel cable trenches and water trenches. It overcomes the problems of low efficiency and unstable quality of traditional construction methods, shortens the construction period of water trenches and cable trenches, and improves operation efficiency.

A construction method using a tunnel cable trench and a water trench, characterized in that it comprises the following steps:

① Prepare multiple sets of mold groups, move the trolley into the tunnel 15, make the trolley walk on the tunnel base 16, hoist one set of mold groups to the construction position through the main truss with a walking mechanism, and install the mold group through the positioning frame. During this process, both sides of the main truss are constructed simultaneously;

② A group of workers pour concrete into the installed mold group. During the pouring, the mold group is separated from the main truss. While pouring, the main truss hoists another mold group, and hoists the newly hoisted template group to the designated position, and positions and splices it;

③ Pour concrete into the newly installed mold set. During the pouring, step ② can be repeated to achieve cyclic pouring and construction on both sides at the same time;

④Dismantle the mold set after the concrete solidifies at the front end, hoist it as a whole through the main truss, hoist it to the rear end for further installation, and repeat step ②;

⑤ Repeat steps ③ and ④ until the entire tunnel section is cast.

In this method, the lifting process of step ② and step ④ is as follows: the telescopic movement of the translation cylinder 11 drives the translation sleeve 10 to move on the suspension beam 9, and the translation sleeve then drives the mold group to move in the horizontal direction through the suspension beam 8; when the suspension beam 9 moves in the vertical direction, the lifting cylinder drives the sleeve 14 to move on the sliding column, thereby driving the mold group to move in the vertical direction through the suspension beam.

In this method, when the mold set is hoisted, the cable trench side template 3 and the water trench side template 7 are kept in shape by the limit plate, and the templates with the maintained shape are then installed on the positioning frame 5 by the template position adjustment mechanism, and the mold set is connected to the translation sliding sleeve by the hanging beam;

When installing the assembled formwork, its height is adjusted by the position adjustment mechanism. The height of the formwork group is adjusted by the vertical turnbuckle bolts, while the lateral position is adjusted by the lateral turnbuckle bolts.

The present invention can shorten the construction period of the water ditch and the cable ditch during construction, reduce costs, overcome the traditional problems of low efficiency and unstable quality, and reasonably design the trolley to realize construction cycle operations and improve efficiency.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A construction method for a tunnel cable trench and a water trench of a construction trolley is characterized by comprising the following steps:

The construction trolley comprises a main truss (17) with a travelling mechanism, wherein the travelling mechanism comprises a driving part (19) and a driven part (18) with a steering function, and is characterized in that: the outer sides of the upright posts (6) at the two sides of the main truss are provided with hanging devices capable of ascending and descending, and the hanging devices are connected with a complete die set which is positioned and used at once through a hanging mechanism;

The suspension device comprises a suspension beam (9), a sliding column (13), a sliding sleeve (14) and a pull rod (12), wherein the inner end of the suspension beam is connected with the sliding sleeve (14) in a hinged manner, the upper end of the pull rod is connected with the upper end of the sliding sleeve in a hinged manner, the lower end of the pull rod is connected with the outer end of the suspension beam in a hinged manner, the sliding sleeve (14) is sleeved on the periphery of the sliding column, and the sliding column is vertically and fixedly arranged on the outer side of the upright column;

A lifting oil cylinder is fixedly arranged outside the upright post, a piston rod of the lifting oil cylinder is connected with the sliding sleeve, and a cylinder body is fixedly connected with the upright post;

The suspension mechanism comprises a translation sliding sleeve (10), a translation oil cylinder (11) and a hanging beam (8), wherein the translation sliding sleeve (10) is sleeved on the hanging beam (9), one end of the translation oil cylinder is connected with the hanging beam, the other end of the translation oil cylinder is connected with the translation sliding sleeve (10), the translation sliding sleeve is driven to transversely move through the telescopic motion of the translation oil cylinder, the upper end of the hanging beam (8) is connected with the transverse sliding sleeve, and the lower end of the hanging beam is connected with the die set;

The construction method comprises the following steps:

① Preparing a plurality of groups of die sets, hoisting one group of die sets to a construction position through a main truss with a travelling mechanism, and installing the die sets through a positioning frame, wherein in the process, both sides of the main truss are constructed simultaneously;

② A group of workers pour concrete into the installed die sets, the die sets are separated from the main truss during pouring, the main truss is hoisted into another die set during pouring, and the newly hoisted die sets are hoisted to a designated position and are positioned and spliced;

③ Pouring concrete into the newly installed die set, and continuously repeating the step ② to realize cyclic pouring while constructing two sides simultaneously;

④ Disassembling the front-end concrete solidified die set, integrally hoisting the die set through a main truss, hoisting the die set to the rear end for continuous installation, and repeating the step ②;

⑤ Repeating steps ③ and ④ until the casting of the whole tunnel segment is completed;

The hoisting process of the step ② and the step ④ is as follows:

The telescopic movement of the translation oil cylinder (11) drives the translation sliding sleeve (10) to move on the cantilever beam (9), and the translation sliding sleeve drives the die set to move in the transverse direction through the cantilever beam (8);

When the cantilever beam (9) moves in the vertical direction, the sliding sleeve (14) is driven to move on the guide post through the lifting oil cylinder, so that the die set is driven to move in the vertical direction through the cantilever beam.

2. The construction method for the tunnel cable duct and the water ditch of the construction trolley according to claim 1, wherein the construction method comprises the following steps: when the template group is hoisted, the cable ditch side templates (3) and the ditch side templates (7) keep the shape through limiting plates, the templates with the kept shapes are arranged on the positioning frame (5) through the template position adjusting mechanism, and the die group is connected with the translation sliding sleeve through the hoisting beam;

when the template is assembled, the height of the template is adjusted through the position adjusting mechanism, the height of the template group is adjusted through the vertical basket bolts, and the transverse position is adjusted through the transverse basket bolts.

3. The construction method for the tunnel cable duct and the water ditch of the construction trolley according to claim 1, wherein the construction method comprises the following steps: the die set comprises a die plate set and a positioning frame (5), and the die plate set is arranged below the positioning frame through a position adjusting mechanism;

the upper end of the positioning frame (5) is connected with the translation sliding sleeve (10) through a hanging beam (8);

The two ends of the locating frame (5) are ground contact ends, and the ground contact ends are provided with height-adjustable adjusting support legs (1).

4. A construction method of a tunnel cable duct and a water ditch of a construction trolley according to claim 3, wherein: the template group comprises a ditch template group and a cable ditch template group,

The ditch template group comprises ditch side templates (7) at two sides, two ends of the bottoms of the two ditch side templates are connected in a hinged mode, and limit plates (4) for keeping the relative positions of the two ditch side templates are arranged at the two ends;

The cable trench template group comprises cable trench side templates (3) on two sides, and limiting plates for keeping the relative positions of the two templates are arranged at two ends of the two cable trench side templates.

5. The construction method for the tunnel cable duct and the water ditch of the construction trolley according to claim 4, wherein the construction method comprises the following steps: the position adjusting mechanism comprises a plurality of vertical basket bolts, the upper parts of the vertical basket bolts are connected with the positioning frame, the lower ends of the vertical basket bolts are connected with the template group, the top ends of the adjacent vertical basket bolts are connected with transverse basket bolts,

The height of the template group is adjusted by the vertical basket bolts, and the transverse position is adjusted by the transverse basket bolts.

6. The construction method for the tunnel cable duct and the water ditch of the construction trolley according to claim 5, wherein the construction method comprises the following steps: the templates comprise ditch side templates (7) at two sides, two ends of the bottoms of the two ditch side templates are connected in a hinged mode, and limiting plates (4) for keeping the relative positions of the two ditch side templates are arranged at two ends;

the cable trench template assembly comprises cable trench side templates (3) on two sides, and limiting plates for keeping the relative positions of the two templates are arranged at two ends of the two cable trench side templates.