CN213088002U - Rapid tunneling circulating supporting device - Google Patents

Abstract

The utility model relates to the field of support devices, in particular to a rapid tunneling circulating support device, which comprises a fixed beam, wherein the fixed beam is fixedly arranged at the top of a tunneling machine, the middle part of the fixed beam is provided with a first motor, the shaft end of the motor is connected with a first gear, a first rectangular hole is formed at the intersection of the first gear and a fixed beam bottom plate, the middle upper parts of the two side plates of the fixed beam are respectively provided with a first guide wheel set, the upper parts of the guide rail bottom plate are provided with an upper rack rail, the lower parts of the guide rail are provided with a lower rack rail, a second gear is meshed on the upper rack rail, the second gear is fixedly arranged on a second motor shaft, the second motor is fixedly arranged on a movable beam, the movable beam is provided with a second rectangular hole, the two sides of the second motor are provided with a second guide wheel set, two grooves are distributed at the two ends of the movable beam, clamping mechanisms are arranged in the grooves, automatic cycle supporting can be realized by matching with a clamping mechanism, the clamping efficiency in cycle supporting is improved, and the working efficiency is improved.

Description

Rapid tunneling circulating supporting device

Technical Field

The utility model relates to a supporting device, in particular to tunnelling circulation support supporting device fast.

Background

In the process of tunneling, a method of tunneling and anchoring at the same time is often adopted. In a roadway with a complex top plate structure and poor stability of the side wall of the top plate, which is easy to collapse, potential safety hazards caused by collapse of the top plate can occur, the personal safety of workers is threatened, and the tunneling efficiency is influenced; moreover, some current self-propelled circulation supporting devices adopt the slide rail to remove more, and the slide rail is harsh to operational environment requirement, and is highly demanding to the plane degree, and little deformation or even some attached to of dust just can lead to the supporting device to circulate when sliding the difficulty of operation, and in addition the maintenance dismantlement work is wasted time and energy, greatly reduced work efficiency.

Therefore, there is a need for improvement of the prior art to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a tunnelling circulation supports strutting arrangement fast particularly realizes through following technical scheme:

a tunnelling circulation support supporting device fast, its characterized in that: the device comprises a fixed beam, wherein the fixed beam is fixedly arranged at the top of the tunneling machine, a first motor is fixedly arranged in the middle of the fixed beam, the shaft end of the motor is connected with a first gear, a first rectangular hole is formed in the intersection of the first gear and a bottom plate of the fixed beam, so that the first gear can conveniently act, and a row of first guide wheel sets used for sliding a guide rail are symmetrically distributed on the middle upper parts of two side plates of the fixed beam along the working direction of the guide rail; the left side and the right side of the guide rail are both of I-shaped structures, an upper toothed rail positioned on the upper part of the bottom plate and a lower toothed rail positioned on the lower part of the bottom plate are asymmetrically distributed in the middle of the bottom plate of the guide rail along the working direction of the guide rail, a second gear is meshed on the upper toothed rail and fixedly arranged on a second motor shaft, the second motor is fixedly arranged on the middle position of the lower part of a moving beam, a second rectangular hole is formed in the moving beam and used for ensuring the working space of the second gear, second guide wheel sets used for matching with the guide rail to slide are fixedly arranged on two sides of the second motor, two grooves are symmetrically distributed at two ends of the moving beam and used for installing a clamping mechanism, the clamping mechanism comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged in the groove and used for providing the clamping force of the clamping mechanism, the hydraulic cylinder is hinged on the clamping jaw at the left side, and the clamping, the right clamping jaw can rotate around the sliding cylindrical pin, the right cylindrical pin can slide in a horizontal hole of a side plate of the movable beam, and the clamping mechanism is fixedly arranged in the groove.

Furthermore, the horizontal hole of the side plate of the shifting beam is positioned at the upper part of the middle part of the side plate of the shifting beam and is symmetrically distributed with the positioning cylindrical pin.

Furthermore, a supporting unit is arranged on the clamping mechanism and comprises a beam body, a telescopic beam and a telescopic jack are arranged in the beam body, the telescopic beam and the beam body are hinged through the telescopic jack, and the end part of each telescopic beam is hinged with a stand column.

The utility model has the advantages that: the utility model provides a specially-made motor guide rail matching mechanism and a guide wheel set and I-shaped guide rail matching mechanism, which realize automatic cycle support and achieve the purposes of tunneling, supporting and anchoring at the same time; the novel usage greatly reduces the requirement on flatness when the common guide rail works, does not influence the movement of the guide rail even if small deformation exists, reduces the influence caused by local deformation, and is more beneficial to the circular movement of the supporting device; meanwhile, a self-adaptive clamping mechanism is adopted in the aspect of the clamping mechanism, and the acting points are distributed more reasonably, so that unnecessary damage to the moving frame part caused by unstable clamping of the traditional clamping mechanism is relieved, the shaking of the supporting unit in the moving process is reduced, the clamping quality is improved, the generation of local deformation is reduced from the source, and the adaptability of the circulating support device is improved; and finally, the circulating support unit is simple in structure and convenient to maintain and replace, the top plate is automatically and circularly supported in the tunneling process, the tunneling efficiency is improved, and the potential safety hazard of manual anchoring in the tunneling process is eliminated. Other advantageous effects of the present invention will be further described with reference to the following embodiments.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional view at I;

FIG. 4 is a schematic cross-sectional view of a fixed beam;

FIG. 5 is a cross-sectional view of the guide rail;

FIG. 6 is a front view of the walking beam;

FIG. 7 is a top view of the walking beam;

FIG. 8 is a schematic view of a clamping mechanism;

wherein: 1-heading machine 2-movable frame part 3-support unit 4-first motor 5-first guide wheel set 6-fixed beam 7-upper toothed rail 8-lower toothed rail 9-guide rail 10-second guide wheel set 11-second gear 12-second motor 13-hydraulic cylinder 14-movable beam 15-positioning cylindrical pin 16-sliding cylindrical pin 17-left clamping jaw 18-right clamping jaw 19-movable beam side plate horizontal hole 20-telescopic beam 21-beam body 22-telescopic jack 23-upright post 24-first rectangular hole 25-first gear 26-second rectangular hole 27-groove

Detailed Description

As shown in fig. 1-8: the rapid tunneling circulating support supporting device mainly comprises a supporting unit 3, a moving frame part 2 and a control part. The supporting unit 3 consists of a beam body 21, a telescopic beam 20, a stand column 23 and a telescopic jack 22; the movable frame part 2 consists of a fixed beam 6, a guide rail 9 and a movable beam 14; a complete working process comprises five actions of preparation, removal, transportation, installation and reset. Firstly, a fixed beam 6 in a movable frame part 2 is fixedly arranged right above a heading machine 1, when the movable frame part enters a preparation state, a second motor 12 fixedly arranged on a movable beam 14 rotates to drive a second gear 11 to rotate on an upper rack 7 in the middle of a guide rail 9, as the second motor 12 is fixedly connected with the movable beam 14, the movable beam 14 can linearly move along the guide rail 9 and stops when the movable beam 14 moves to the tail end of the guide rail 9, and meanwhile, a control part controls a first motor 4 on the fixed beam 6 to act to drive a first gear 25 to be meshed with a lower rack 8, and the guide rail 9 can drive the movable beam 14 to continuously move until the movable beam 14 reaches the position below a last supporting unit 3; when the support unit is removed, the telescopic jack 22 of the last support unit 3 is retracted, the telescopic beam 20 hinged to the telescopic jack 22 is retracted along with the telescopic jack, the upright column 23 is slowly retracted, the beam body 21 falls on the clamping mechanism of the movable beam 14, the clamping mechanism clamps the support unit 3 under the action of the hydraulic cylinder 13, and the telescopic jack 22 of the support unit 3 is continuously retracted until the whole support unit 3 is suspended under the clamping of the clamping mechanism in the groove 27; when the transportation process is carried out, the guide rail 9 is firstly driven by the first motor 4 to move on the first guide wheel set 5, then the movable beam 14 is driven by the second motor 12 to move on the guide rail 9 through the second guide wheel set, and the movable beam 14 reaches the position needing the supporting unit 3 at the forefront of the whole structure through the matching of the first motor 4 and the second motor 12; when the installation process is carried out, the clamping mechanism is slightly loosened under the driving of the hydraulic cylinder 13, the telescopic jack 22 on the supporting unit 3 is slowly extended, the upright column 23 is put down and landed, the telescopic beam 20 is slowly extended under the driving of the telescopic jack 22, and the upright column 23 is continuously extended until the supporting unit 3 props against the part needing to be supported, so that the supporting task is completed; when the heading machine 1 moves forward by one step, the control part receives the next task, the supporting device enters the next working process and reciprocates circularly, automatic circulating support is provided for operation, the aim of fast heading is achieved by matching with the heading machine, the circulating support unit is simple in structure and convenient to maintain and replace, the steps of manual operation are reduced in the whole process, and the potential safety hazard of manual anchoring in the heading process is eliminated.

In the present embodiment, first, a modification is made to the conventional fixed beam, as shown in fig. 4, a first motor 4 is fixedly arranged below the fixed beam 6, a first gear 25 is connected to an end of the motor shaft, a first rectangular hole 24 is formed on the bottom plate of the fixed beam 6 for the mutual engagement between a first gear 25 and the lower rack 8, the displacement of the support unit 3, which is achieved solely by means of the sliding of the guide rails 9 in the fixed beams 6, will undoubtedly increase the load of the drive elements and the difficulty of machining the guide rails, the fixed beams and the like, therefore, the utility model changes the sliding of the traditional sliding mechanism into rolling, a row of first guide wheel sets 5 are evenly added on the side plate of the fixed beam 6, the weight of the guide rail 9 is evenly distributed on the fixed beam 6, secondly, the utility model discloses change guide rail shape in the past, set up a rack respectively in the centre of its upper and lower surface: go up cogged rail 7 and lower cogged rail 8 for cooperate first motor 4 and second motor 12, the guide rail 9 left and right sides sets up to the I-shaped, work for better cooperation direction wheelset, share the load, to the design of walking beam 14, as shown in fig. 6, walking beam 14 upper portion is opened has the second rectangular hole 26 that makes things convenient for second gear 11 to move, second motor 12 is connected second gear 11 and is used for cooperating upper cogged rail 7 and accomplish the action, second direction wheelset cooperatees with guide rail I-shaped curb plate inboard, it is the roll to change the guide rail slip, and increased the quantity of wheel, increase the lifting surface area, reduce local pressure, reduce the heavy burden of moving frame portion 2 with this, and slow down the problem that glide machanism can's unable smooth removal when moving frame portion 2 local little deformation. A self-adaptive clamping mechanism is designed on the aspect of a clamping mechanism by utilizing a lever principle, as shown in fig. 8, a hydraulic cylinder 13 pushes a left clamping jaw 17 to rotate around a positioning cylindrical pin 15 to clamp a beam body 21, a right clamping jaw 18 can also self-adaptively move in a horizontal hole 19 of a side plate of a moving beam in a small range while rotating around a sliding 16 cylindrical pin, self-adaptive clamping can be achieved, and the acting points can be distributed more reasonably, so that unnecessary loss caused by unstable clamping of the moving frame part 2 of the traditional clamping mechanism is relieved, the shaking of a supporting unit 3 in the moving process is reduced, the generation of local deformation is reduced from the source, the clamping quality is improved, and the working efficiency is improved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (3)

1. The utility model provides a quick tunnelling circulation support supporting device which characterized in that: the device comprises a fixed beam, wherein the fixed beam is fixedly arranged at the top of the tunneling machine, a first motor is fixedly arranged in the middle of the fixed beam, the shaft end of the motor is connected with a first gear, a first rectangular hole is formed in the intersection of the first gear and a bottom plate of the fixed beam, so that the first gear can conveniently act, and a row of first guide wheel sets used for sliding a guide rail are symmetrically distributed on the middle upper parts of two side plates of the fixed beam along the working direction of the guide rail; the left side and the right side of the guide rail are both of I-shaped structures, an upper toothed rail positioned on the upper part of the bottom plate and a lower toothed rail positioned on the lower part of the bottom plate are asymmetrically distributed in the middle of the bottom plate of the guide rail along the working direction of the guide rail, a second gear is meshed on the upper toothed rail and fixedly arranged on a second motor shaft, the second motor is fixedly arranged on the middle position of the lower part of a moving beam, a second rectangular hole is formed in the moving beam and used for ensuring the working space of the second gear, second guide wheel sets used for matching with the guide rail to slide are fixedly arranged on two sides of the second motor, two grooves are symmetrically distributed at two ends of the moving beam and used for installing a clamping mechanism, the clamping mechanism comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged in the groove and used for providing the clamping force of the clamping mechanism, the hydraulic cylinder is hinged on the clamping jaw at the left side, and the clamping, the right clamping jaw can rotate around the sliding cylindrical pin, the right cylindrical pin can slide in a horizontal hole of a side plate of the movable beam, and the clamping mechanism is fixedly arranged in the groove.

2. The rapid excavation circulating support supporting device according to claim 1, characterized in that: the horizontal hole of the side plate of the shifting beam is positioned on the upper part of the middle part of the side plate of the shifting beam and is symmetrically distributed with the positioning cylindrical pin.

3. The rapid excavation circulating support supporting device according to claim 2, characterized in that: the clamping mechanism is provided with a supporting unit, the supporting unit comprises a beam body, a telescopic beam and a telescopic jack are arranged in the beam body, the telescopic beam and the beam body are hinged through the telescopic jack, and the end part of each telescopic beam is hinged with a stand column.

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