Dust removal device suitable for chambering type vertical shaft heading machine

Abstract

The dust removal device comprises a cutter head conical surface water spraying set, a cutter head top water spraying set and a rotating connector, the cutter head conical surface water spraying set is installed on the conical surface of a cutter head, the cutter head top water spraying set is installed on the top of the interior of the cutter head, and the rotating connector is installed in the center of the cutter head. The fixed end of the rotary connector is connected with the cutter head conical surface water spraying set and the cutter head top water spraying set through pipelines. The cutter head conical surface water spraying set is installed on the conical surface of the cutter head, dust on the working face of the cutter head is reduced, but some dust enters the cutter head, and therefore the cutter head top water spraying set is installed on the top of the interior of the cutter head, dust entering the cutter head is reduced, and the dust removal effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vertical shaft tunneling machine construction equipment technical field especially relates to a dust removal device suitable for reaming type vertical shaft tunneling machine. BACKGROUND

[0002] Because reaming type vertical shaft tunneling machine is narrow in space, and the special dust removal equipment is large in size, it is difficult to assemble on the vertical shaft tunneling machine, and the special dust removal equipment is high in price, which improves the total cost of the vertical shaft tunneling machine, therefore, the technical personnel of our company proposes a dust removal device which is simple in structure and low in cost.

[0003] Chinese patent document CN110424980A discloses a leading guide type cutter head for extremely hard rock excavation, wherein water spraying dust removal openings are arranged on the small cutter head and the large cutter head respectively. However, during the operation of the reaming type vertical shaft tunneling machine, dust removal by the cutter head alone is not enough, and the dust removal effect is poor. SUMMARY

[0004] The utility model aims at providing a dust removal device suitable for reaming type vertical shaft tunneling machine to improve the dust removal effect.

[0005] To achieve the above-mentioned purpose, the utility model provides a dust removal device suitable for reaming type vertical shaft tunneling machine, which comprises a cutter cone surface water spraying group, a cutter top water spraying group and a rotary joint, the cutter cone surface water spraying group is installed on the conical surface of the cutter, the cutter top water spraying group is installed on the top inside the cutter, the rotary joint is installed at the center of the cutter, the fixed end of the rotary joint is connected with the cutter cone surface water spraying group and the cutter top water spraying group through pipelines respectively, and the rotary end of the rotary joint is communicated with the pressure water source in the use state.

[0006] The conical surface of the cutter of the reaming type vertical shaft tunneling machine is provided with a plurality of dust removal holes, the cutter cone surface water spraying group is composed of a plurality of nozzles, the nozzles are fixedly installed in the dust removal holes respectively, the nozzles are outwardly directed, and one end of the nozzles in the cutter is communicated with the rotary joint through a pipeline.

[0007] The cutter top water spraying group comprises an annular pipe and a plurality of nozzles, the nozzles are uniformly installed on the lower side of the annular pipe, the annular pipe is fixedly installed on the top inside the cutter, and the annular pipe is communicated with the rotary joint through a pipeline.

[0008] The utility model also comprises a main drive platform water spraying group, the main drive platform water spraying group is installed on the lower side of the main drive platform of the reaming type vertical shaft tunneling machine, and the main drive platform water spraying group is communicated with the pressure water source through a pipeline.

[0009] The dust removal device is installed on the outer side of the main drive platform of the reaming type vertical shaft tunneling machine.

[0010] The dustproof device comprises a lower dustproof ring installed at the lower side edge of the main driving platform and / or an upper dustproof ring installed at the upper side edge of the main driving platform.

[0011] The dustproof device comprises a lower dustproof ring installed at the lower side edge of the main driving platform and / or an upper dustproof ring installed at the upper side edge of the main driving platform.

[0012] The dustproof device comprises a lower dustproof ring installed at the lower side edge of the main driving platform and / or an upper dustproof ring installed at the upper side edge of the main driving platform.

[0013] Compared with the prior art, the utility model has the following technical effects:

[0014] 1、 the utility model discloses a dustproof device is installed on the driving platform of the expansion hole type shaft driving machine, and the dustproof device comprises a lower dustproof ring installed at the lower side edge of the main driving platform and / or an upper dustproof ring installed at the upper side edge of the main driving platform.

[0015] 2、 the utility model discloses a dustproof device still comprises main driving platform water jet group.

[0016] 3、 the utility model discloses a dustproof device is installed on the driving platform of the expansion hole type shaft driving machine, and the dustproof device comprises a lower dustproof ring installed at the lower side edge of the main driving platform and / or an upper dustproof ring installed at the upper side edge of the main driving platform.

[0017] 4、 the utility model discloses a dustproof device still comprises main driving platform water jet group. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows.

[0019] Figure 1 It is the overall structure schematic diagram of the utility model.

[0020] Figure 2 It is the arrangement position schematic diagram of the utility model cutter cone surface water jet group on the cutter surface.

[0021] Figure 3 It is the utility model cutter top center water jet group plan view and dust fall range schematic diagram.

[0022] Figure 4 It is the overhead view and dust fall range schematic view of the main drive platform water spraying group of the utility model.

[0023] Figure 5 It is the structure schematic view of the dustproof device installed outside the drive platform of the utility model.

[0024] Reference signs:

[0025] Pipeline 1, cutter cone surface water spraying group 2, cutter top water spraying group 3, rotary joint 4, main drive platform water spraying group 5, lower dustproof ring 6, upper dustproof ring 7, main beam lower part water spraying group 8, dust concentration sensor 9. Specific implementation

[0026] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0027] Embodiment 1:

[0028] Please see Figure 1 A dust removal device suitable for a reaming type shaft sinking machine, comprising a cutter cone surface water spraying group 2, a cutter top water spraying group 3 and a rotary joint 4, the cutter cone surface water spraying group 2 is installed on the conical surface of the cutter, the cutter top water spraying group 3 is installed on the top inside the cutter, the rotary joint 4 is installed at the center of the cutter, the fixed end of the rotary joint 4 is connected with the cutter cone surface water spraying group 2 and the cutter top water spraying group 3 through the pipeline 1 respectively, and the rotary end of the rotary joint 4 is communicated with the pressure water source in the use state.Through installing the cutter cone surface water spraying group 2 on the conical surface of the cutter, the dust on the working surface of the cutter is removed, but some dust enters the inside of the cutter, therefore, the cutter top water spraying group 3 is installed on the top inside the cutter, the dust entering the inside of the cutter is removed, so that the dust removal effect is improved.

[0029] In the embodiment, see Figure 2 A plurality of dust removal holes are arranged on the conical surface of the cutter, the cutter cone surface water spraying group 2 is composed of a plurality of nozzles, the nozzles are respectively welded and installed in the dust removal holes, and the nozzles are outwardly arranged. Figure 3 The cutter top water spraying group 3 comprises a ring-shaped pipe and a plurality of nozzles, in combination with Figure 1 Six nozzles are welded and installed on the lower side of the ring-shaped pipe, and the ring-shaped pipe is installed on the top inside the cutter by welding or through a support.Of course, the cutter top water spraying group 3 can also adopt the structure that the nozzles are directly welded in the inside of the cutter.

[0030] The rotary joint 4 is prior art, and is used for water supply under the working condition that the cutter rotates.Specifically, see Figure 1The fixed end of the rotary joint 4 is installed on the center of the cutter head through a flange structure, the rotary end of the rotary joint 4 is connected with the pipeline of the pressure water source through a pipeline, and the fixed end of the rotary joint 4 is connected with the nozzles of the cutter head conical surface water spraying group 2 and the nozzles or the annular pipe of the cutter head top water spraying group 3 through the pipeline 1, so that the pressure water can be provided for the cutter head conical surface water spraying group 2 and the cutter head top water spraying group 3 when the cutter head rotates. The pipeline 1 adopts a pressure hose.

[0031] Embodiment 2

[0032] On the basis of embodiment 1, the dust removal device further comprises a main driving platform water spraying group 5. Referring to Figure 1 The main driving platform water spraying group 5 is installed on the lower side of the driving platform of the reaming type shaft sinking machine, and the main driving platform water spraying group 5 is connected with the pressure water source through the pipeline 1, so that the dust removal effect is further improved.

[0033] Specifically, in the embodiment, referring to Figure 4 The main driving platform water spraying group 5 comprises an annular pipe and a plurality of nozzles, twelve nozzles are welded and installed on the lower side of the annular pipe, and the annular pipe is installed on the lower side of the driving platform of the reaming type shaft sinking machine through welding or through a support. Similarly, the main driving platform water spraying group 5 can also adopt a structure in which the nozzles are directly welded on the lower side of the driving platform. The pipeline 1 is connected with the annular pipe, or is connected with each nozzle respectively and then connected with the pipeline of the pressure water source.

[0034] In the embodiment, a plurality of groups of the main driving platform water spraying group 5 can be arranged. The nozzles of the main driving platform water spraying group 5 are directed to the outside of the cutter head.

[0035] Embodiment 3

[0036] On the basis of embodiment 1 or embodiment 2, referring to Figure 1 A dust prevention device is installed on the outside of the driving platform of the reaming type shaft sinking machine, so as to prevent dust and water mist from overflowing from the outside of the driving platform.

[0037] In the embodiment, referring to Figure 5 The dust prevention device comprises a lower dust prevention ring 6 and / or an upper dust prevention ring 7.

[0038] In the embodiment, ring seats are arranged on the upper and lower ends of the outside of the driving platform respectively, the lower dust prevention ring 6 and the upper dust prevention ring 7 are respectively installed on the corresponding ring seats, and then are fixed through bolt connection. The ring seat comprises a fixed ring and a pressing ring, the fixed ring is welded on the outside of the driving platform, the pressing ring is installed on the fixed ring through a bolt, and the dust prevention ring is clamped and installed between the fixed ring and the pressing ring.

[0039] In the embodiment, the lower dust prevention ring 6 and the upper dust prevention ring 7 adopt rubber material.

[0040] Embodiment 4

[0041] Based on the embodiment 1 or the embodiment 2 or the embodiment 3, referring to Figure 1 Since the middle part of the main drive is a hollow structure, dust in the cutter head can float upward to the lower part of the main beam, therefore, the dust removal device further comprises a main beam lower part water spraying group 8, which is installed on the lower side of the main beam of the raise-boring machine, and the main beam lower part water spraying group 8 is communicated with the pressure water source through the pipeline 1, so as to further improve the dust removal effect.

[0042] Similarly, the main beam lower part water spraying group 8 comprises a ring-shaped pipe and a plurality of nozzles, the nozzles are welded and installed on the lower side of the ring-shaped pipe, and the ring-shaped pipe is installed on the inner wall of the lower side of the main beam through welding or through a support. Of course, the main beam lower part water spraying group 8 can also adopt a structure that the nozzles are directly welded on the inner wall of the lower side of the main beam. The pipeline 1 is communicated with the ring-shaped pipe, or is communicated with each nozzle respectively and then is communicated with the pressure water source pipeline.

[0043] Further, referring to Figure 1 , the lower side of the main beam of the raise-boring machine is further provided with a dust concentration sensor 9, and the dust concentration sensor 9 is used for controlling the start of the main beam lower part water spraying group 8.

[0044] Specifically, an electromagnetic valve is installed on the water supply pipeline of the main beam lower part water spraying group 8, the electromagnetic valve is electrically connected with the main machine of the dust concentration sensor 9, the dust concentration sensor 9 detects the dust concentration of the lower side of the main beam in real time, when the measured value of the dust concentration sensor 9 reaches a preset value, the electromagnetic valve is opened, and the main beam lower part water spraying group 8 starts to spray water for dust removal.

[0045] The working principle or action process of the utility model is as follows:

[0046] The cutter head cone surface water spraying group 2 is installed on the working surface of the cutter head of the raise-boring machine, and when dust just rises on the cutter head, the dust is removed through the nozzles.

[0047] The cutter head top water spraying group 3 is installed at the top center position in the cutter head. When the cutter head works, dust still exists in the cutter head after the dust removal through the cutter head cone surface water spraying group 2, at this time, the cutter head top water spraying group 3 works synchronously with the cutter head to spray water for dust removal in the cutter head.

[0048] After the double dust removal through the cutter head cone surface water spraying group 2 and the cutter head top water spraying group 3, the remaining dust rises upward, at this time, the lower dust prevention ring 6 and the upper dust prevention ring 7 installed on one side of the main drive platform are used to cut off the gap between the raise-boring machine and the hole wall, so as to prevent the dust from continuing to rise upward. Meanwhile, the main drive platform water spraying group 5 installed below the main drive platform works simultaneously to spray water for dust removal.

[0049] After the triple dust reduction of the cone face water jet group 2, the top water jet group 3 and the main drive platform water jet group 5, if there is still dust rising along the main beam interior space, the main beam lower water jet group 8 is started to work when the dust concentration sensor 9 detects the value reaches the predetermined value.

Claims

1. A dust removal device suitable for borehole-type vertical shaft tunneling machines, characterized in that: The cutter head cone surface water spraying group (2) is installed on the conical surface of the cutter head, the cutter head top water spraying group (3) is installed on the top inside the cutter head, the rotating joint (4) is installed at the center of the cutter head, the fixed end of the rotating joint (4) is connected with the cutter head cone surface water spraying group (2) and the cutter head top water spraying group (3) through the pipeline (1) respectively, and the rotating end of the rotating joint (4) is communicated with the pressure water source in the use state.

2. A dust extraction device for a raise boring machine according to claim 1, wherein: The cutter head cone surface water spraying group (2) is composed of a plurality of nozzles, the nozzles are fixedly installed in the dust removal holes, the nozzle outlets are outward, and one end of the nozzle in the cutter head is communicated with the rotating joint (4) through the pipeline.

3. A dust extraction device for a raise boring machine according to claim 1, wherein: The cutter head top water spraying group (3) comprises a plurality of nozzles and a ring-shaped pipe, the nozzles are uniformly installed on the lower side of the ring-shaped pipe, the ring-shaped pipe is fixedly installed on the top inside the cutter head, and the ring-shaped pipe is communicated with the rotating joint (4) through the pipeline.

4. A dust extraction device for a raise boring machine according to claim 1, wherein: The main driving platform water spraying group (5) is installed on the lower side of the main driving platform of the reaming type shaft sinking machine, and the main driving platform water spraying group (5) is communicated with the pressure water source through the pipeline (1).

5. A dust extraction device for a raise boring machine according to claim 1 or 4, wherein: The dustproof device is installed on the outer side of the main driving platform of the reaming type shaft sinking machine.

6. A dust extraction device for a raise boring machine according to claim 5, wherein: The dustproof device comprises a lower dustproof ring (6) installed on the lower side edge of the main driving platform and / or an upper dustproof ring (7) installed on the upper side edge of the main driving platform.

7. A dust extraction device for a raise boring machine according to claim 1 or 4, wherein: The main beam lower part water spraying group (8) is installed on the lower side of the main beam of the reaming type shaft sinking machine, and the main beam lower part water spraying group (8) is communicated with the pressure water source through the pipeline (1).

8. A dust extraction device for a raise boring machine according to claim 7, wherein: The dust concentration sensor (9) is further installed on the lower side of the main beam of the reaming type shaft sinking machine, and the dust concentration sensor (9) is used for controlling the start of the main beam lower part water spraying group (8).

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