CN206329348U - A kind of minitunnel lining trolley - Google Patents

Abstract

The utility model discloses a small-sized tunnel lining trolley, which comprises a door frame part, a formwork part arranged on the door frame part through connecting pieces, a walking part and a control system part; the door frame part is composed of two groups of symmetrical A whole truss composed of longitudinal connecting beams and at least two sets of transverse connecting beams; the running part includes a telescopic mechanism that expands and contracts in the up and down direction and whose upper end is connected to the gantry part; and a running mechanism arranged at the lower end of the telescopic mechanism; The control system part includes a hydraulic control system and an electrical control system. Applying the technical solution of the utility model, adopting the portal frame part with simple structure and the retractable walking part, the effect is: a, the overall structure is simplified, and the number and types of parts are reduced; b, the structure of the trolley is stable, reliable, and has enough c. It is convenient for the installation of the trolley in a narrow space, adapting to the small cross-sectional area of the tunnel and meeting the different constructions of small-section tunnels.

Description

A small tunnel lining trolley

technical field

The utility model relates to the technical field of tunnel construction, in particular to a small tunnel lining trolley.

Background technique

In the application of tunnel lining trolley construction, large-section tunnels generally use ordinary lining trolleys for tunnel lining, but in water conservancy and hydropower tunnels, tunnels with small cross-sections are usually encountered, for example, the height is less than 2.1 meters and the width is less than 2.5 meters. The side walls and the top arch of the tunnel are arc-shaped. Ordinary lining trolleys are large in size and are not suitable.

In the prior art, the construction of small and medium-sized water conservancy trolleys usually uses combined small steel forms for construction. This method has many steps for formwork support and removal, consumes a lot of manpower and material resources, has a long construction period, and has poor construction quality.

To sum up, there is an urgent need for a lining trolley suitable for small-section tunnel construction to solve the defects in the prior art.

Utility model content

The purpose of the utility model is to provide a lining trolley that has a simplified structure, meets the needs of different situations with and without curves, and is suitable for tunnel construction with small sections. The specific technical scheme is as follows:

A small tunnel lining trolley, comprising a door frame part, a formwork part arranged on the door frame part through a connecting piece, a walking part fixed on the door frame part, and a control system part;

The gantry part is a whole truss composed of two sets of symmetrical longitudinal connecting beams and at least two sets of transverse connecting beams, and the two ends of the transverse connecting beams are respectively connected with two sets of longitudinal connecting beams;

The walking part includes a telescoping mechanism that expands and contracts in the up and down direction and whose upper end is connected to the door frame part, and a walking mechanism arranged at the lower end of the telescoping mechanism;

The control system part includes an electric control system connected with the traveling mechanism and a hydraulic control system connected with the connecting piece and the telescoping mechanism at the same time.

Preferably in the above technical solution, the template part includes a top template, a left template and a right template, between the upper end of the left template and one end of the top template and between the upper end of the right template and the The other ends of the top formwork are all connected in a detachable manner.

In the above technical solutions, preferably, the connecting piece includes a traverse oil cylinder for connecting the top formwork and the gantry part, and a traversing cylinder for connecting the left formwork and/or right formwork and the gantry part The lateral oil cylinder and the adjustment jack for connecting the lower end of the left formwork and the lower end of the right formwork; both the traverse oil cylinder and the lateral oil cylinder are connected with the hydraulic control system.

In order to achieve a better technical effect, the joints between the upper end of the left formwork and the top formwork and the joints between the upper end of the right formwork and the top formwork are provided with adjustment block groups, and the adjustment blocks One end of the group is fixed on the right formwork or the left formwork, and the other end is in contact with or gap-connected with the end of the top formwork after the formwork is erected.

In the above technical solution, preferably, the adjustment block set includes at least two L-shaped adjustment blocks, the adjustment block includes a first arm and a second arm, and the first arm is fixed on the left template or the On the right formwork, the second arm has the same shape as the tunnel wall; the free end of the second arm is in contact with or gap-connected with the end of the top formwork after the mold is erected.

Preferably in the above technical solutions, the adjustment block is an angle steel.

In the above technical solution, preferably, the telescoping mechanism includes a guide sleeve, a guide column, and a jacking cylinder connected to the hydraulic control system; the guide sleeve is arranged in the vertical direction, and its upper end is fixed on the horizontal connecting beam above; the guide column and the guide sleeve are arranged on the same central axis, and its upper end is inserted into the lower end of the guide sleeve to be movable inside; the upper end of the jacking cylinder is fixed on the guide sleeve, and its lower end is fixed on the guide sleeve. On the guide post; the walking mechanism is fixed on the lower end of the guide post.

In the above technical solutions, preferably, both the longitudinal connecting beam and the transverse connecting beam are shaped steel.

Preferably in the above technical solutions, the trolley includes a front section, a middle section and a rear section which are serially connected in sequence and are detachably connected to each other;

The walking part is provided on both the front section and the rear section.

Preferably in the above technical solutions, the length of the front section and the rear section is 2.5-3.5m, and the length of the middle section is 3.8-4.5m; the left template, the top template and the right template are formed The radius of the arc does not exceed 1.169m.

Applying the technical solution of the utility model has the following beneficial effects:

(1) The small tunnel lining trolley of the present utility model includes a door frame part, a formwork part arranged on the door frame part through a connecting piece, a walking part and a control system part; the door frame part is composed of two groups of symmetrical A whole truss composed of longitudinal connecting beams and at least two sets of transverse connecting beams; the running part includes a telescopic mechanism that expands and contracts in the up and down direction and whose upper end is connected to the gantry part, and a running mechanism arranged at the lower end of the telescopic mechanism; The control system part includes a hydraulic control system and an electrical control system. The utility model adopts a portal frame part with a simple structure and a retractable walking part, and the effects are: a. The overall structure is simplified, and the number and types of parts are reduced; b. The structure of the trolley is stable and reliable, and has sufficient strength and rigidity; c. It is convenient for the installation of trolleys in narrow spaces, adapting to the small cross-sectional area of tunnels, and meeting the different constructions of small-section tunnels.

(2) The formwork part of the utility model includes a top formwork, a left formwork and a right formwork, which are detachably connected to each other, and the structure is simplified, which can meet the construction requirements of small tunnels and has strong practicability.

(3) In the utility model, the connector includes a traversing oil cylinder for connecting the top formwork and the gantry part, and a side cylinder for connecting the left formwork and/or right formwork and the gantry part. To the oil cylinder and the adjustment jack for connecting the lower end of the left formwork and the lower end of the right formwork, the traversing oil cylinder and the lateral oil cylinder are both connected to the hydraulic control system. The structure of the connection part is simplified and easy to control, which can meet the requirements of construction formwork, demoulding and bearing the weight of the formwork, and is convenient for the lining trolley to realize the simplification requirements.

(4) The utility model includes a set of adjusting blocks. The size of the adjusting blocks can be the same or different. Adjusting blocks of different sizes can be selected according to the actual size of the tunnel section required for the lining to meet different construction needs. powerful. Angle steel is used for the adjustment block, and both the longitudinal connecting beam and the transverse connecting beam are shaped steel, and the components are easy to obtain.

(5) The telescopic mechanism in the utility model includes a guide sleeve, a guide column, and a jacking oil cylinder. The structure is simple and easy to control, and the design of the telescopic structure facilitates the adjustment of the height of the lining trolley, thereby meeting the construction requirements of tunnels with different heights , Strong practicability.

(6) The trolley in the utility model can be disassembled into front, middle and rear car bodies, which can be transformed and disassembled in sections, shortening the construction period of the trolley installation and disassembly, and easy to use; the front and rear two car bodies are equipped with independent The walking mechanism can be independently constructed and operated to meet the construction needs of tunnels with curves; the middle trolley can be equipped with four-wheel travel without drive, and reliable external force can pass through the tunnel. The middle trolley combines the front and rear two bodies, which can To meet the needs of tunnel construction at different distances. The size design of the three car bodies fully meets the requirements for lining small tunnels and is highly practical.

In addition to the purposes, features and advantages described above, the present invention has other purposes, features and advantages. Below with reference to figure, the utility model is described in further detail.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model. In the attached picture:

Fig. 1 is the structural representation of the small tunnel lining trolley of embodiment 1;

Fig. 2 is a cross-sectional view after the construction of the small tunnel lining trolley in Fig. 1;

Fig. 3 is a partial enlarged view of the junction of the top template and the right template in Fig. 2;

Fig. 4 is a diagram of the connection relationship between the door frame part and the telescoping mechanism in Fig. 2;

1. Mast part, 1.1, longitudinal connecting beam, 1.2, transverse connecting beam;

2. Template part, 2.1, top template, 2.2, left template, 2.3, right template;

3. Walking part, 3.1, telescopic mechanism, 3.11, guide sleeve, 3.12, guide post, 3.13, jacking cylinder, 3.2, walking mechanism;

4. Connecting parts, 4.1, traverse cylinder, 4.2, side cylinder, 4.3, adjustment jack;

5. Regulating block group, 5.1. Regulating block;

6. Construction ground;

7. The control system part;

A, front section, B, middle section, C, back section.

detailed description

The embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, but the utility model can be implemented in various ways defined and covered by the claims.

Example 1:

A small tunnel lining trolley, see Fig. 1-Fig. 4 for details, its structure is as follows: comprising a door frame part 1, a formwork part 2 arranged on the door frame part 1 through a connecting piece 4, fixed on the door The running part 3 on the frame part 1 and the control system part 7 connected with the connecting piece 4 and the running part 3 at the same time.

The gantry part 1 is a whole truss composed of two sets of symmetrical longitudinal connecting beams 1.1 and at least two sets of transverse connecting beams 1.2. It has a high degree of modernization, can meet the stability requirements of small tunnel lining construction, and has strong practicability.

The running part 3 includes a telescoping mechanism 3.1 which is telescopic in the vertical direction and whose upper end is connected to the door frame part 1, and a running mechanism 3.2 arranged at the lower end of the telescopic mechanism 3.1.

The control system part includes an electrical control system connected with the traveling mechanism 3.2 and a hydraulic control system connected with the connecting member 4 and the telescopic mechanism 3.1 at the same time. The specific structures and control principles of the electrical control system and hydraulic control system here can refer to the prior art.

The above template part 2 includes a top template 2.1, a left template 2.2 and a right template 2.3, between the upper end of the left template 2.2 and one end of the top template 2.1 and between the upper end of the right template 2.3 and the top template. The other ends of the formwork 2.1 are connected in a detachable manner. A hinged connection can be preferred here.

The connecting piece 4 includes a traverse cylinder 4.1 for connecting the top formwork 2.1 and the gantry part 1, a cylinder for connecting the left formwork 2.2 and/or right formwork 2.3 and the gantry part 1 The lateral oil cylinder 4.2 and the adjustment jack 4.3 for connecting the lower end of the left template 2.2 and the lower end of the right template 2.3; the traverse cylinder 4.1 and the lateral cylinder 4.2 are both connected to the hydraulic control system, The hydraulic control system controls the actions of the lateral oil cylinder and the lateral oil cylinder to facilitate film erection and demoulding.

In order to meet the requirements of lining tunnels with different sections, the connection between the upper end of the left formwork 2.2 and the top formwork 2.1 and the connection between the upper end of the right formwork 2.3 and the top formwork 2.1 are provided with adjustment block groups 5 One end of the adjusting block group 5 is fixed on the right formwork 2.3 or the left formwork 2.2, and the other end is in contact with or gap-connected with the end of the top formwork 2.1 after the mold is erected. The structure of the adjusting block group 5 is varied, and the following structure is adopted here: at least two L-shaped adjusting blocks 5.1 are included, and the adjusting block 5.1 (see Fig. 3 for details) includes a first arm and a second arm, so The first arm is fixed on the left template 2.2 or the right template 2.3, and the second arm has the same shape as the wall of the tunnel where it is located; the free end of the second arm is connected with The ends of the top template 2.1 are in contact or gap connection. The adjustment block 5.1 here is made of angle steel.

The above telescopic mechanism 3.1 (see Figure 4 for details) includes a guide sleeve 3.11, a guide post 3.12 and a jacking cylinder 3.13 connected to the hydraulic control system (the hydraulic control system controls the jacking cylinder to move, so as to facilitate the adjustment of the trolley in the vertical direction. overall height); the guide sleeve 3.11 is arranged vertically, and its upper end is fixed on the transverse connecting beam 1.2; The lower end of the guide sleeve 3.11 is movable inside; the upper end of the jacking cylinder 3.13 is fixed on the guide sleeve 3.11, and its lower end is fixed on the guide post 3.12; the traveling mechanism 3.2 is fixed on the guide post 3.12 the lower end.

In this embodiment, the longitudinal connecting beam 1.1 and the transverse connecting beam 1.2 are both made of section steel.

In order to facilitate transformation, disassembly, and meet the needs of curve construction, the lining trolley of this embodiment can also be designed into multiple sections. Section C, the front section A and the rear section C are all provided with the walking part 3, the front section A, the middle section B and the back section C have the same structure except for the walking mechanism; the middle section B can Equipped with four-wheel running without drive, reliable external force can pass freely in the tunnel. Here, the length of the front section A and the rear section C is 2.5-3.5m, and the length of the middle section B is 3.8-4.5m; the left template 2.2, the top template 2.1 and the right template 2.3 form The radius of the arc does not exceed 1.169m.

The details of the small tunnel lining trolley applying this embodiment are:

Mold-setting process: the mold-setting process of the front section A, the middle section B and the back section C is the same, and the following is a detailed description of the front section A as an example: the electrical control system controls the walking mechanism in the front section A 3.2 drives the trolley in the demoulding state to Construction position; the hydraulic system controls the traverse cylinder 4.1 to align the centerline of the trolley to the tunnel centerline; the jacking cylinder 3.13 pushes the trolley to the position required for the construction of the top template 2.1 through the hydraulic system; the hydraulic control system controls the lateral cylinder 4.2 to align the left Push the side formwork 2.2 and the right formwork 2.3 to the position required for construction (before the left formwork 2.2 and the right formwork 2.3 are erected, first install the two ends of the adjustment jack 4.3 to the lower end and the right side of the left formwork 2.2 using pin shafts The lower end of the formwork 2.3; after the left side formwork 2.2 and the right side formwork 2.3 formwork, install and adjust the jack 4.3), promptly complete the formwork of the front section A trolley. Otherwise, it is the demoulding process.

Curve construction process: Separate the front section A, middle section B, and rear section C trolleys in the demoulding state; drive the front section A and/or rear section C trolleys to the position of the curve that needs to be lined through the electrical control system , to perform vertical formwork lining, or: use mechanical force to move the trolley in the middle section B to the position of the curve where lining needs to be lined, and perform vertical formwork lining.

Applying the technical solution of the utility model, the overall structure of the trolley is simplified, the stability is good, the installation of the trolley is convenient in a narrow space, the cross-sectional area of the tunnel is small, and different constructions of small-section tunnels are satisfied.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a kind of minitunnel lining trolley, it is characterised in that be arranged on including door frame part (1), by connector (4) described Template part (2) on door frame part (1), the running gear (3) being fixed on the door frame part (1) and control system portion Point；

The door frame part (1) is to be made up of two groups of symmetrical longitudinally connected beams (1.1) and at least two groups lateral connection beams (1.2) Truss it is overall, the two ends of the lateral connection beam (1.2) connect longitudinally connected beam (1.1) described in two groups respectively；

The running gear (3) includes carrying out the telescopic machine that flexible and its upper end connects the door frame part (1) along the vertical direction Structure (3.1) and be arranged on the telescoping mechanism (3.1) lower end walking mechanism (3.2)；

The control system part include the electric control system that is connected with the walking mechanism (3.2) and simultaneously with the company Fitting (4) and the hydraulic control system of the telescoping mechanism (3.1) connection.

2. minitunnel lining trolley according to claim 1, it is characterised in that the template part (2) includes backform Plate (2.1), left side template (2.2) and right side template (2.3), upper end and the top template of the left side template (2.2) (2.1) pass through between one end and between the upper end of the right side template (2.3) and the other end of the top template (2.1) Removably is attached.

3. minitunnel lining trolley according to claim 2, it is characterised in that the connector (4) includes being used to connect Connect the traversing oil cylinder (4.1) of the top template (2.1) and the door frame part (1), for connecting the left side template (2.2) And/or right side template (2.3) and the door frame part (1) lateral oil cylinder (4.2) and for connecting the left side template (2.2) regulation of lower end and the right side template (2.3) lower end is very heavy (4.3)；The traversing oil cylinder (4.1) and the lateral oil Cylinder (4.2) is connected with the hydraulic control system.

4. minitunnel lining trolley according to claim 2, it is characterised in that the upper end of the left side template (2.2) With the junction of the top template (2.1) and the upper end of the right side template (2.3) and the junction of the top template (2.1) Regulating block group (5) is equipped with, one end of the regulating block group (5) is fixed on the right side template (2.3) or the left side template (2.2) on, the other end is connected after formwork erection with the ends contact of the top template (2.1) or gap.

5. minitunnel lining trolley according to claim 4, it is characterised in that the regulating block group (5) includes The regulating block (5.1) of at least two pieces L-shaped, the regulating block (5.1) includes the first arm and the second arm, and first arm is fixed on institute State in left side template (2.2) or the right side template (2.3), second arm is identical with the shape of residing tunnel wall；It is described The free end end of second arm is connected after formwork erection with the ends contact of the top template (2.1) or gap.

6. minitunnel lining trolley according to claim 5, it is characterised in that the regulating block (5.1) is angle steel.

7. the minitunnel lining trolley according to claim 2-6 any one, it is characterised in that the telescoping mechanism (3.1) guide pin bushing (3.11), guide pillar (3.12) and the jacking cylinder (3.13) being connected with the hydraulic control system are included；It is described Guide pin bushing (3.11) is vertically set, and its upper end is fixed on the lateral connection beam (1.2)；The guide pillar (3.12) with The guide pin bushing (3.11) is set with central axis, and its upper end insertion guide pin bushing (3.11) lower end internal activity is set；It is described The upper end of jacking cylinder (3.13) is fixed on the guide pin bushing (3.11), and its lower end is fixed on the guide pillar (3.12)；Institute State the lower end that walking mechanism (3.2) is fixed on the guide pillar (3.12).

8. minitunnel lining trolley according to claim 7, it is characterised in that the longitudinally connected beam (1.1) and institute State lateral connection beam (1.2) and be shaped steel.

9. minitunnel lining trolley according to claim 7, it is characterised in that the chassis includes being sequentially connected in series and phase Leading portion (A), interlude (B) and back segment (C) between mutually to be detachably connected；

On the leading portion (A) and it is equipped with the running gear (3) on the back segment (C).

10. minitunnel lining trolley according to claim 9, it is characterised in that the leading portion (A) and the back segment (C) length is 2.5-3.5m, and the length of the interlude (B) is 3.8-4.5m；

The radius for the arc that the left side template (2.2), top template (2.1) and right side template (2.3) are formed is no more than 1.169m。