CN219215033U - Slag car limiting device used in rectangular pipe jacking construction process - Google Patents

Abstract

The utility model discloses a slag car limiting device used in a rectangular jacking pipe construction process, which comprises a limiting fixing seat, a fixing buckle and an elastic assembly, wherein the limiting fixing seat is fixedly arranged on the limiting fixing seat; the fixed buckle is movably arranged on the limiting fixed seat through the elastic component and can lock and unlock through the elastic component; the limiting fixing seat is arranged on the guide rail. The limiting device is used for limiting the muck truck in the rectangular pipe jacking construction process, and can automatically clamp the fixing buckle into the wheels of the muck truck to limit the movement of the muck truck when the muck truck moves to the soil loading or unloading position. When the fixation is needed to be released, the slag car can freely move only by pressing the rear end of the fixed buckle. The method can improve the conveying efficiency of the soil and slag vehicle and simultaneously improve the safety during construction with gradient.

Description

Slag car limiting device used in rectangular pipe jacking construction process

Technical Field

The utility model belongs to the field of tunnel construction, and particularly relates to a slag car limiting device used in a rectangular jacking pipe construction process.

Background

In the construction process of the rectangular pipe jacking, the dregs cut by the cutterhead of the rectangular pipe jacking machine are discharged into a dregs car through a spiral soil outlet machine, then the dregs car is conveyed to the position nearby a working well through a guide rail paved at the bottom of the pipe jacking machine, and finally the dregs are conveyed to a dregs stacking area through a gantry crane. When the muck truck is filled with muck, wheels of the muck truck can be directly parked on the guide rail under normal conditions and are not fixed; in addition, the jacking of the rectangular jacking pipe has a certain gradient (about 0.5%), and when the local tunneling gradient is 3%, the slag-earth vehicle is easy to slide during working, so that the engineering safety is influenced.

At present, when in field construction, constructors generally adopt a method of clamping hard objects (reinforcing steel bars) between wheels of a muck truck and a guide rail to ensure stability of the muck truck, and the method can limit the movement of the muck truck to a certain extent, but has the following defects: 1) The contact surface of the guide rail and the wheel is smooth, the placed hard object is easy to fall off, and effective fixation is difficult to realize; 2) When the dregs car fills up dregs and needs to be moved to the vicinity of a working well to unload soil, the gravity of the dregs car is large, so that the hard objects used for fixing between the wheels and the guide rail can be very difficult to take out, and the construction efficiency is affected.

Disclosure of Invention

The utility model aims to: aiming at the defects of the prior art, the utility model provides the slag car limiting device to improve the conveying efficiency of the slag car and ensure the safety during construction with gradient.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a dregs car stop device for in rectangle push pipe work progress includes spacing fixing base, fixed buckle and elastic component; the fixed buckle is movably arranged on the limiting fixed seat through the elastic component and can lock and unlock through the elastic component; the limiting fixing seat is arranged on the guide rail.

Specifically, the inside draw-in groove that is equipped with guide rail looks adaptation of spacing fixing base, spacing fixing base passes through draw-in groove joint at the extension of guide rail to fix through the bolt that runs through below the spacing fixing base.

Further, the outside of the limiting fixing seat is provided with a buckle installation groove for fixing the buckle installation, and the fixing buckle is installed in the buckle installation groove through an elastic component.

Specifically, the elastic component comprises a pin shaft and a torsion spring; the two ends of the pin shaft are connected with the buckle mounting groove in a shaft way and can rotate; the fixed buckle and the torsion spring are sleeved on the pin shaft, the fixed buckle and the pin shaft are fixed and synchronously rotate, the torsion spring is compressed when the pin shaft rotates, and the wheel rim of the slag soil vehicle on the guide rail is locked by rebound of the fixed buckle through the counterforce of the torsion spring.

Further, the fixed buckle is a hook-shaped long block, the inner side of the top of the fixed buckle is provided with a locking surface matched with the rim of the wheel, and the bottom of the fixed buckle is provided with a pedal.

Still further, the top outside of fixed buckle is the arcwall face, when the wheel rim roll to this arcwall face on, and wheel rim outer lane extrudees this arcwall face and makes fixed buckle top outwards rotatory along the round pin axle and compress the torsional spring, until the top of fixed buckle gets into inside the wheel rim, makes fixed buckle card go into in the wheel rim under the counter-force effect of torsional spring, and the locking face laminating realizes the locking to the wheel rim at wheel rim inner circle.

Furthermore, the locking surface is provided with an anti-slip rubber sleeve so as to increase friction with the inner ring of the wheel rim.

The beneficial effects are that:

the limiting device is used for limiting the muck truck in the rectangular pipe jacking construction process, and when the muck truck moves to a soil loading or unloading position, the fixing buckle can be automatically clamped into the wheel of the muck truck so as to limit the movement of the muck truck. When the fixation is needed to be released, the slag car can freely move only by pressing the rear end of the fixed buckle. The method can improve the conveying efficiency of the soil and slag vehicle and simultaneously improve the safety during construction with gradient.

Drawings

The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of the overall structure of the slag car limiting device of the utility model.

FIG. 2 is an exploded view of the components of the slag car spacing device of the present utility model.

Fig. 3 is a state diagram of the wheel rim pressing the arcuate surface.

Fig. 4 is a locked state diagram of the slag car limiting device of the utility model.

Fig. 5 is an unlocked state diagram of the slag car stop device of the present utility model.

Wherein each reference numeral represents:

1, a guide rail; 2, a dreg car; 3, wheel rims; 4, limiting the fixing seat; 41 guide rail clamping grooves; 42 snap fit mounting slots; 5 bolts; 6 torsion springs; 7, a pin shaft; 8, fixing a buckle; 81 locking surfaces; 82 pedals; 83 arcuate surfaces.

Detailed Description

The utility model will be better understood from the following examples.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the disclosure of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the terms of modification, variation of proportions, or adjustment of sizes, without affecting the efficacy or achievement of the present utility model, should be understood as falling within the scope of the present utility model. Also, the terms such as "upper", "lower", "front", "rear", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.

As shown in fig. 1 and 2, the slag car limiting device comprises a limiting fixing seat 4, a fixing buckle 8 and an elastic assembly; the fixed buckle 8 is movably arranged on the limit fixing seat 4 through an elastic component and can lock and unlock through the elastic component; the limit fixing seat 4 is arranged on the guide rail 1.

The inner side of the limit fixing seat 4 is provided with a clamping groove 41 matched with the guide rail 1, and the limit fixing seat 4 is clamped on the extension of the guide rail 1 through the clamping groove 41 and is fixed through a bolt 5 penetrating through the lower side of the limit fixing seat 4.

The outside of the limiting fixing seat 4 is provided with a buckle mounting groove 42 for mounting the fixing buckle 8, and the fixing buckle 8 is mounted in the buckle mounting groove 42 through an elastic component. The elastic component comprises a pin shaft 7 and a torsion spring 6; both ends of the pin shaft 7 are connected with the buckle mounting groove 42 in a shaft way and can rotate; the fixed buckle 8 and the torsion spring 6 are sleeved on the pin shaft 7, the fixed buckle 8 and the pin shaft 7 are fixed and synchronously rotate, the torsion spring 6 is compressed when the pin shaft 7 rotates, and the wheel rim 3 of the muck truck 2 on the guide rail 1 is locked in a rebound manner through the counterforce of the torsion spring 6.

As shown in fig. 3, the fixing buckle 8 is a hook-shaped long block, the inner side of the top of the fixing buckle is provided with a locking surface 81 matched with the wheel rim 3, and the bottom of the fixing buckle is provided with a pedal 82. The top outside of fixed buckle 8 is arcwall face 83, when the wheel rim 3 rolls to this arcwall face 83, and this arcwall face 83 is extruded to wheel rim 3 outer lane makes fixed buckle 8 top outwards along round pin axle 7 rotatory and compression torsional spring 6, until inside the top of fixed buckle 8 gets into wheel rim 3, makes fixed buckle 8 card go into wheel rim 3 under the counter-force effect of torsional spring 6, and the locking face 81 laminating realizes the locking to wheel rim 3 at wheel rim 3 inner circle.

An anti-slip rubber sleeve is arranged on the locking surface 81 to increase friction with the inner ring of the wheel rim 3.

When the device is used, the limiting device is arranged at two ends of the guide rail 1, and the middle of the guide rail 1 is used as a transportation route for the soil and slag vehicle 2. During installation, the guide rail clamping groove 41 on the inner side of the limit fixing seat 4 is clamped into the protruding part on the outer edge of the guide rail 1, and the guide rail clamping groove are nested. The limiting device is fixed at the stop position of the rim of the muck truck 2 at the two ends of the guide rail when loading or unloading the muck truck, so that the fixing buckle 8 can be ensured to clamp the rim 3 of the wheel.

After the position of the limiting fixed seat 4 is determined, the fixing bolt 5 is screwed into a bolt hole reserved below the limiting fixed seat 4, the fixing bolt 5 is screwed, and the limiting fixed seat 4 is fixed on the guide rail.

The inner ring of the torsion spring 6, the fixed buckle 8 and the reserved round hole on the buckle mounting groove 42 are aligned, and then the pin shaft 7 is inserted into the reserved round hole, so that the pin shaft 7, the torsion spring 6 and the fixed buckle 8 are connected into a whole and can synchronously rotate.

When the muck car 2 moves to the stop device along the guide rail 1, the outer ring of the wheel rim 3 contacts with the top of the fixed buckle 8 and is extruded, as the arc-shaped surface 83 is designed at the head of the fixed buckle 8, the muck wheel rim continues to move forwards and extrudes the arc-shaped surface 83 (as shown in figure 3), the top of the fixed buckle 8 rotates outwards along the pin shaft 7 and compresses the torsion spring 6 until the top of the fixed buckle 8 enters the wheel rim 3, the fixed buckle 8 is clamped into the wheel rim 3 under the action of the counter force of the torsion spring 6, and the locking surface 81 is attached to the inner ring of the wheel rim 3 to lock the wheel rim 3, as shown in figure 4.

After the muck truck 2 is filled with soil, a worker steps down on the pedals 82 at the rear end of the fixing clamp 8, at this time, the front ends of the buckles are tilted, and the limitation on the muck truck wheel is relieved, as shown in fig. 5. After the soil unloading of the soil truck is completed, the restriction of the fixing buckle 8 is released according to the steps, the soil truck 2 is pushed back to the soil loading area, the process is repeated, and the transportation of the soil body during the rectangular pipe jacking construction is completed.

The utility model provides a thought and a method for a slag car limiting device in a rectangular pipe jacking construction process, and particularly the method and the way for realizing the technical scheme are numerous, the above is only a preferred embodiment of the utility model, and it should be pointed out that a plurality of improvements and modifications can be made to a person of ordinary skill in the art without departing from the principle of the utility model, and the improvements and modifications are also regarded as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.

Claims (7)

1. The slag car limiting device used in the rectangular pipe jacking construction process is characterized by comprising a limiting fixing seat (4), a fixing buckle (8) and an elastic assembly; the fixed buckle (8) is movably arranged on the limiting fixed seat (4) through an elastic component and can lock and unlock through the elastic component; the limiting fixing seat (4) is arranged on the guide rail (1).

2. The slag car limiting device for the rectangular pipe jacking construction process according to claim 1, wherein a guide rail clamping groove (41) matched with the guide rail (1) is formed in the inner side of the limiting fixed seat (4), and the limiting fixed seat (4) is clamped on the extension of the guide rail (1) through the guide rail clamping groove (41) and fixed through a bolt (5) penetrating through the lower portion of the limiting fixed seat (4).

3. The slag car limiting device for the rectangular pipe jacking construction process according to claim 2, wherein a buckle installation groove (42) for installing a fixed buckle (8) is formed in the outer side of the limiting fixing seat (4), and the fixed buckle (8) is installed in the buckle installation groove (42) through an elastic component.

4. A slag car stop device for use in a rectangular pipe jacking construction process according to claim 3, wherein the elastic assembly comprises a pin (7) and a torsion spring (6); both ends of the pin shaft (7) are connected with the inside of the buckle mounting groove (42) in a shaft way and can rotate; the fixed buckle (8) and the torsion spring (6) are sleeved on the pin shaft (7), the fixed buckle (8) and the pin shaft (7) are fixed and synchronously rotate, the torsion spring (6) is compressed when the pin shaft (7) rotates, and the wheel rim (3) of the muck truck (2) on the guide rail (1) is locked by rebound of the fixed buckle (8) through the counterforce of the torsion spring (6).

5. The slag car limiting device for the rectangular jacking pipe construction process according to claim 4, wherein the fixing buckle (8) is a hook-shaped long block, a locking surface (81) matched with the wheel rim (3) is arranged on the inner side of the top of the fixing buckle, and pedals (82) are arranged on the bottom of the fixing buckle.

6. The slag car limiting device for the rectangular pipe jacking construction process according to claim 5, wherein the outer side of the top of the fixing buckle (8) is provided with an arc-shaped surface (83), when the wheel rim (3) rolls onto the arc-shaped surface (83), the outer ring of the wheel rim (3) presses the arc-shaped surface (83) to enable the top of the fixing buckle (8) to rotate outwards along the pin shaft (7) and compress the torsion spring (6) until the top of the fixing buckle (8) enters the inside of the wheel rim (3), the fixing buckle (8) is clamped into the wheel rim (3) under the action of the counterforce of the torsion spring (6), and the locking surface (81) is attached to the inner ring of the wheel rim (3) to lock the wheel rim (3).

7. The slag car limiting device for rectangular pipe jacking construction process as claimed in claim 5 or 6, wherein the locking surface (81) is provided with an anti-slip rubber sleeve to increase friction with the inner ring of the wheel rim (3).

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