CN217925896U

CN217925896U - Tunnel lining trolley

Info

Publication number: CN217925896U
Application number: CN202221963848.0U
Authority: CN
Inventors: 李丽婵; 吴誉宏
Original assignee: Guangdong Daguan Construction Engineering Co ltd
Current assignee: Guangdong Daguan Construction Engineering Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-29
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to a tunnel construction equipment field discloses a tunnel lining platform truck, including skeleton unit, cope match-plate pattern and two side formworks, the side formworks rotate with the cope match-plate pattern to be connected, and the skeleton unit includes base frame and top support frame, is equipped with hydraulic cylinder between base frame and the top support frame, and the base frame is equipped with the outer tube, and top support frame is equipped with the interior sleeve pipe that cup joints with the outer tube, and the outer tube is equipped with and is used for pushing up interior sheathed tube locking Assembly. Through the guide cooperation of outer tube and interior sheathed tube for hydraulic cylinder can drive the top template and go up and down along the direction of direction, adjusts the top template to suitable position, then utilizes locking Assembly to push up interior sleeve pipe tightly, strengthens the holding power of top template, can bear great slip casting pressure, also need not to increase more hydraulic cylinder simultaneously and supports, and locking Assembly assembles on the outer tube, also can reduce a large amount of artifical dismouting costs.

Description

Tunnel lining trolley

Technical Field

The utility model relates to a tunnel construction equipment technical field especially relates to a tunnel lining platform truck.

Background

With the development of society, the construction of tracks, roads and railways is increasing, and the construction brings great convenience to the life of people. However, as the terrain of China is complex and changeable, tunnels need to be excavated or built in many places. In order to prevent the tunnel surrounding rock from deforming or collapsing, a permanent supporting structure constructed by reinforced concrete or other materials along the periphery of the tunnel body is required. The tunnel lining trolley belongs to special equipment which must be used in secondary lining in the tunnel construction process, and is used for lining construction of the inner wall of a tunnel.

At present, the existing tunnel lining trolley mainly comprises a framework unit, a top template and two side templates, wherein the framework unit is mainly used for bearing and fixing positions, and the top template and the side templates are designed according to the shape of a tunnel to be lined.

The tunnel lining trolley in the prior art needs to use a large number of hydraulic oil cylinders to adjust the top template and support the top template, so that the lining thickness of a tunnel meets the design requirement, when the number of the hydraulic oil cylinders used by the lining trolley is too small, the pressure of grouting can be stronger than the supporting force of the hydraulic oil cylinders in the pressure grouting process of the top template, the top template is caused to deviate from a fixed position, the integrity of the lining is damaged, and the problems of lining cavities and the like occur. Although the supporting force problem of a top template can be solved by adding a large number of hydraulic oil cylinders, the manufacturing cost of the whole trolley can be greatly increased, the lining trolley is inconvenient to disassemble and assemble when being transferred, and a large amount of labor cost is increased in the disassembling and assembling process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provided is a tunnel lining trolley which can provide sufficient supporting force after adjusting a top formwork and does not need to use a large amount of hydraulic oil cylinders.

In order to realize the above-mentioned purpose, the utility model provides a tunnel lining platform truck, including skeleton unit, cope match-plate pattern and two side form boards, the cope match-plate pattern is located the top of skeleton unit, two the side form board correspondence is located the left and right sides of skeleton unit, and one of them the side form board with a side of cope match-plate pattern rotates to be connected, another the side form board with the opposite side limit of cope match-plate pattern rotates to be connected, the skeleton unit includes bed frame and top support frame, the bed frame through electric liquid push rod with the side form board is connected, top support frame locates the bottom of cope match-plate pattern, the bed frame with be equipped with hydraulic cylinder between the top support frame, the bed frame is equipped with the outer tube, top support frame be equipped with the interior sleeve pipe of outer tube cup joints, the outer tube is equipped with and is used for the top tight interior sheathed tube locking Assembly.

Preferably, the left side and the right side of the base frame are provided with outer sleeves, and the left side and the right side of the top support frame are provided with inner sleeves.

Preferably, the locking assembly is located towards the sideform.

Preferably, the locking assembly comprises a nut and a puller pin, the nut is arranged on the outer side of the outer sleeve, one end of the puller pin is in threaded fit with the nut, and after the puller pin is rotated, the puller pin can be screwed into the inner side of the outer sleeve and tightly jacks the inner sleeve.

As a preferred scheme, the locking assembly further comprises a rotating rod, a through hole is formed in the other end of the puller pin, and the rotating rod is arranged in the through hole and can move up and down relative to the through hole.

As the preferred scheme, the both ends of dwang are equipped with the button head, the diameter of button head is greater than the diameter of through-hole.

Preferably, the two ends of the rotating rod are provided with beating planes, and the beating planes are parallel to the axial direction of the puller pin.

Preferably, hydraulic oil cylinders are arranged on the left side and the right side of the framework unit.

Preferably, the base frame is provided with a sliding groove block matched with the base of the hydraulic oil cylinder, and the opening of the sliding groove block faces to the horizontal direction.

As a preferred scheme, a supporting block is arranged at the top of a piston rod of the hydraulic oil cylinder, and a U-shaped groove matched with the top supporting frame is formed in the supporting block.

The utility model provides a pair of tunnel lining platform truck compares with prior art, and its beneficial effect lies in: the framework unit comprises a base frame and a top supporting frame, the base frame and the top supporting frame are matched through the guide of the outer sleeve and the inner sleeve, so that the hydraulic oil cylinder can drive the top template to lift along the guide direction, the top template is adjusted to a proper position, then the locking assembly is utilized to tightly support the inner sleeve, the supporting force of the top template is strengthened, larger grouting pressure can be borne, meanwhile, more hydraulic oil cylinders are not required to be added for supporting, and the locking assembly is matched on the outer sleeve, so that a large amount of manual dismounting cost can be reduced.

Drawings

Fig. 1 is a schematic front view of a tunnel lining trolley according to an embodiment of the present invention;

fig. 2 is a schematic front view of a frame unit in the tunnel lining trolley according to an embodiment of the present invention;

fig. 3 is a partial schematic view of a framework unit in the tunnel lining trolley according to an embodiment of the present invention;

figure 4 the utility model discloses hydraulic cylinder's assembly schematic diagram in tunnel lining platform truck of embodiment.

In the figure: 100. a skeleton unit; 110. a base frame; 111. an outer sleeve; 112. a connecting plate; 120. a top support frame; 121. an inner sleeve; 130. an electro-hydraulic push rod; 140. a hydraulic cylinder; 141. a chute block; 142. a support block;

200. a top template;

300. a sideform;

400. a locking assembly; 410. a nut; 420. a puller pin; 430. rotating the rod; 431. a rounded head; 432. and (4) knocking the plane.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like used in the present invention are used as the terms of the directions or positional relationships shown in the drawings, and are used only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be interpreted as a limitation of the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 to 4, the utility model discloses a tunnel lining platform truck of preferred embodiment, including skeleton unit 100, cope match-plate pattern 200 and two side form boards 300, cope match-plate pattern 200 is located the top of skeleton unit 100, two side form board 300 corresponds and locates the left and right sides of skeleton unit 100, and one of them side form board 300 with one side of cope match-plate pattern 200 rotates to be connected, another side form board 300 with another side of cope match-plate pattern 200 rotates to be connected its characterized in that: the framework unit 100 comprises a base frame 110 and a top supporting frame 120, wherein the base frame 110 is connected with the side templates 300 through an electro-hydraulic push rod 130, the top supporting frame 120 is arranged at the bottom of the top template 200, a hydraulic oil cylinder 140 is arranged between the base frame 110 and the top supporting frame 120, the base frame 110 is provided with an outer sleeve 111, the top supporting frame 120 is provided with an inner sleeve 121 which is sleeved with the outer sleeve 111, and the outer sleeve 111 is provided with a locking assembly 400 which is used for tightly supporting the inner sleeve 121.

Based on the technical scheme, the framework unit 100 comprises a base frame 110 and a top support frame 120, the base frame 110 and the top support frame 120 are matched through the guide of the outer sleeve 111 and the inner sleeve 121, so that the hydraulic oil cylinder 140 can drive the top formwork 200 to lift along the guide direction, the top formwork 200 is adjusted to a proper position, then the inner sleeve 121 is tightly jacked by the locking assembly 400, the supporting force of the top formwork 200 is enhanced, larger grouting pressure can be borne, meanwhile, more hydraulic oil cylinders 140 are not required to be added for supporting, the locking assembly 400 is matched on the outer sleeve 111, and a large amount of manual disassembly and assembly cost can be reduced.

The tunnel lining trolley is a small and medium trolley, a plurality of framework units 100 need to be arranged along the direction of a track, and two adjacent framework units 100 are connected through a horizontal rod in the horizontal direction.

In this embodiment, the outer sleeves 111 are disposed on the left and right sides of the base frame 110, the inner sleeves 121 are disposed on the left and right sides of the top support frame 120, and the left and right sides are symmetrical to support the top form 200 more stably. When the hydraulic oil cylinder 140 is arranged on the framework unit 100, the number of the adopted hydraulic oil cylinders is 2, the hydraulic oil cylinders are respectively arranged at the positions close to the outer sleeves 111 and are of symmetrical structures, and therefore the adjustment process is more stable.

In this embodiment, locking Assembly 400 orientation sideform 300 sets up, that is locking Assembly 400 orientation the outside of skeleton unit 100 is tight in the opposite direction top of left and right sides orientation moreover, can ensure top form 200 is in the centre, avoids controlling the dislocation, moreover locking Assembly 400 orientation the outside of skeleton unit 100 can not occupy skeleton unit 100's slip casting operation workspace.

In this embodiment, as shown in fig. 2 and 3, the locking assembly 400 includes a nut 410 and a tightening pin 420, the nut 410 is disposed outside the outer sleeve 111, one end of the tightening pin 420 is in threaded engagement with the nut 410, the tightening pin 420 can be screwed into the inner side of the outer sleeve 111 and tighten the inner sleeve 121 after rotating the tightening pin 420, the size of the nut 410 is determined according to the width of the outer sleeve 111, the tightening pin 420 can be screwed into or out of the nut 410 when rotating the tightening pin 420, the inner sleeve 121 can be tightened when screwing into the inner side of the outer sleeve 111, and the tightening action can be released when screwing out of the inner side of the outer sleeve 111, so that the inner sleeve 121 can move up and down relative to the outer sleeve 111.

In this embodiment, locking Assembly 400 still includes dwang 430, the other end of puller pin 420 is equipped with the through-hole, dwang 430 is located in the through-hole and can for the through-hole reciprocates, and the utilization can the adjusting position the dwang 430, the operation workman can adjust the position of best moment, is convenient for more rotate puller pin 420, and operation workman can rotate at the dwang 430 tip of keeping away from puller pin 420 promptly, and is more laborsaving.

Further, both ends of dwang 430 are equipped with button head 431, the diameter of button head 431 is greater than the diameter of through-hole makes dwang 430 cooperates all the time on puller pin 420, avoids dwang 430 breaks away from to lose.

Still further, the both ends of dwang 430 are equipped with strikes plane 432, strike plane 432 with the axial of puller pin 420 is parallel, and when the operation workman can't rotate during the dwang 430, the accessible hammer strikes strike plane 432, then puller pin 420 can further push tightly, strike the power of striking that plane 432 can better accept the hammer, avoid appearing the problem that strikes the arc surface and lead to the hammer to take off the hand. Wherein an operator can tap a cross bar standing between two frame units 100, the base frame 110 of the frame unit 100 is provided with a connecting plate 112 for fixing the cross bar.

In this embodiment, the left and right sides of the frame unit 100 are provided with hydraulic cylinders 140, and the hydraulic cylinders 140 on the two sides are of a symmetrical structure, so as to ensure the stability of the process of adjusting the top die plate 200.

In this embodiment, as shown in fig. 3 and 4, the base frame 110 is provided with a slide block 141 matching with the base of the hydraulic oil cylinder 140, and an opening of the slide block 141 faces in a horizontal direction, so that the base of the hydraulic oil cylinder 140 slides into the slide block 141 from the side. The top of the piston rod of the hydraulic oil cylinder 140 is provided with a supporting block 142, the supporting block 142 is provided with a U-shaped groove matched with the top supporting frame 120, the supporting block 142 can slide relative to the top supporting frame 120 in the horizontal direction through the U-shaped groove, and the sliding groove block 141 is matched with the supporting block 142, so that the position of the hydraulic oil cylinder 140 can be conveniently adjusted along the horizontal direction, and the hydraulic oil cylinder 140 can be conveniently disassembled and assembled.

To sum up, the utility model provides a pair of tunnel lining platform truck has following advantage: (1) The top template 200 is lifted along the guide direction, the structure is simple, and dislocation is not easy to occur; (2) The locking assembly 400 tightly pushes the inner sleeve 121, the supporting force of the top template 200 is enhanced, larger grouting pressure can be borne, more hydraulic oil cylinders 140 are not required to be added for supporting, and a large amount of manual disassembly and assembly cost can be reduced; (3) By using the rotating rod 430 with adjustable position, an operator can adjust the position of the optimal moment, so that the tightening pin 420 can be conveniently rotated, and the labor is saved; (4) The sliding groove block 141 and the supporting block 142 are matched to facilitate the adjustment of the position of the hydraulic oil cylinder 140 along the horizontal direction.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a tunnel lining platform truck, includes skeleton unit, cope match-plate pattern and two side formworks, the cope match-plate pattern is located the top of skeleton unit, two the side formworks correspond to be located the left and right sides of skeleton unit, and one of them the side formworks with a side of cope match-plate pattern rotates to be connected, another the side formworks with another side of cope match-plate pattern rotates to be connected its characterized in that: the framework unit comprises a base frame and a top supporting frame, the base frame is connected with the side formworks through electro-hydraulic push rods, the top supporting frame is arranged at the bottom of the top formworks, a hydraulic oil cylinder is arranged between the base frame and the top supporting frame, the base frame is provided with an outer sleeve, the top supporting frame is provided with an inner sleeve sleeved with the outer sleeve, and the outer sleeve is provided with a locking assembly used for tightly pushing the inner sleeve.

2. The tunnel lining trolley of claim 1 wherein the base frame is provided with outer sleeves on the left and right sides and the top support frame is provided with inner sleeves on the left and right sides.

3. A tunnel lining trolley according to claim 2 wherein the locking assemblies are located towards the sideforms.

4. The tunnel lining trolley of claim 1 wherein the locking assembly comprises a nut disposed on an outer side of the outer sleeve and a puller pin having an end threadedly engaged with the nut, the puller pin being adapted to be rotated to thread into an inner side of the outer sleeve and to pull the inner sleeve tight when the puller pin is rotated.

5. The tunnel lining trolley of claim 4 wherein the locking assembly further comprises a rotating rod, the other end of the puller pin is provided with a through hole, and the rotating rod is arranged in the through hole and can move up and down relative to the through hole.

6. The tunnel lining trolley of claim 5 wherein the ends of the swivelling levers are provided with rounded heads, the rounded heads having a diameter greater than the diameter of the through-holes.

7. The tunnel lining trolley of claim 5 wherein the rotating rods are provided at both ends with striking planes parallel to the axial direction of the knock-up pin.

8. The tunnel lining trolley of claim 1 wherein hydraulic rams are provided on both the left and right sides of the skeletal unit.

9. The tunnel lining trolley of claim 1 wherein said base frame has runner blocks that mate with the base of said hydraulic ram, said runner blocks having openings that face in a horizontal direction.

10. The tunnel lining trolley of claim 9 wherein said hydraulic ram has a support block on top of the piston rod, said support block having a U-shaped slot that mates with said top support frame.