Machine-mounted temporary supporting device of heading machine

By combining a bidirectional threaded rod and a hydraulic cylinder, the multi-directional adjustment of the onboard temporary support device for the tunneling machine is realized, which solves the problem of the small support range of the existing device and improves the support area and ease of operation in the roadway.

CN223676295UActive Publication Date: 2025-12-16ZOUCHENG GUANGQIAN ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202423164919.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-21
Publication Date
2025-12-16
Estimated Expiration
2034-12-21

AI Technical Summary

Technical Problem

Existing temporary support devices on tunnel boring machines can only provide support on one side of the roadway, which limits the support range and makes it impossible to achieve comprehensive roadway protection.

Method used

The design employs a combination of two sets of bidirectional threaded rods and multiple sets of hydraulic cylinders. The grating plate can be adjusted at different heights and positions via the adjusting plate. Combined with the extension and retraction of the hydraulic cylinders, the grating plate can be adjusted in multiple directions, thereby increasing the support area.

Benefits of technology

It has significantly increased the support area within the roadway, reduced limitations in use, improved operational convenience and reliability, and enhanced the overall support effect of the roadway.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of roadway support, in particular to an onboard temporary support device of a heading machine, which is characterized in that two groups of bidirectional threaded rods are simultaneously rotated, and the lengths of telescopic cylinders of two groups of hydraulic cylinders I, two groups of hydraulic cylinders II, two groups of hydraulic cylinders II and two groups of hydraulic cylinders III are simultaneously controlled; the first grating plate and the second grating plate can be freely adjusted at different heights and different left and right positions, so that the whole supporting area in a roadway is greatly increased, and the use limitation is reduced; comprising two sets of fixing plates, two sets of supporting seats, two sets of first hydraulic cylinders, a first grating plate, a first adjusting plate, two sets of second hydraulic cylinders, two sets of bidirectional threaded rods, a second adjusting plate, a grating plate, two sets of second hydraulic cylinders, two sets of third hydraulic cylinders, two sets of second supporting seats and two sets of second fixing plates. The top ends of the two supporting seats are hinged to the bottom ends of the two first hydraulic cylinders correspondingly, and the top ends of the two first hydraulic cylinders are hinged to the bottom end of the first grating plate correspondingly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roadway support, specifically is a kind of tunneling machine airborne temporary support device. BACKGROUND

[0002] Coal is the main energy in China. With the continuous deepening of industrialization and the continuous development of science and technology, the demand for coal of the country is increasing, and the level and efficiency of coal mining are also increasingly required. Coal mining in China is mainly underground mining. To ensure the safety of underground operation, the newly excavated roadway needs to be supported in time to strengthen the stability of the coal roadway and improve safety. At present, roadway support mainly relies on manual operation. This supporting method has high labor intensity, low supporting efficiency and cannot protect the safety of workers.

[0003] The existing patent announcement No. CN218953341U is a kind of tunneling machine airborne temporary support device, base is used to install on tunneling machine, to realize the whole tunneling machine airborne temporary support device is installed on tunneling machine, and then it is convenient to carry out temporary support to newly excavated roadway, rotary oil cylinder is installed on base, the lower end of supporting oil cylinder is connected with rotary oil cylinder, and can be rotated under the driving of rotary oil cylinder, the upper end of supporting oil cylinder is hinged with the lower end of one side of support frame, the other side of the lower end of support frame is hinged with one end of inclined support oil cylinder, the other end of inclined support oil cylinder is hinged with the middle part of supporting oil cylinder, the upper end of support frame is used to support roadway, and then supporting oil cylinder and inclined support oil cylinder are used to support support frame together, to improve the stability of support, at the same time, by controlling the elongation of supporting oil cylinder and inclined support oil cylinder, the support height of support frame is adjusted, and by adjusting the rotation of rotary oil cylinder, the support angle of support frame is adjusted, to meet the needs of different support, compared with manual support, not only improve the safety of underground construction, but also improve the tunneling speed and efficiency, reduce the labor cost, and improve the support effect.

[0004] However, the existing tunneling machine airborne temporary support device can only support on one side of the roadway, cannot protect the whole roadway, the supporting range is small, and has certain limitations. INVENTION CONTENTS

[0005] (I) technical problems solved

[0006] In view of the shortcomings of the prior art, the utility model provides a kind of tunneling machine airborne temporary support device, two groups of bidirectional threaded rods are rotated simultaneously, the length of two groups of hydraulic cylinders one, two groups of hydraulic cylinders two, two groups of hydraulic cylinders two and two groups of hydraulic cylinders three telescopic cylinders are controlled simultaneously, so that grid plate one and grid plate can be adjusted at different heights and different positions left and right, the whole supporting area in roadway is greatly improved, and the use limitation is reduced.

[0007] Technical scheme two

[0008] In order to achieve the above object, the utility model provides following technical scheme: A kind of tunneling machine airborne temporary support device, including two groups of fixed plate, two groups of support seat, two groups of hydraulic cylinder one, grating plate one, adjusting plate one, two groups of hydraulic cylinder two, two groups of two-way threaded rod, adjusting plate two, grating plate, two groups of hydraulic cylinder four, two groups of hydraulic cylinder three, two groups of support seat two and two groups of fixed plate two, two groups of fixed plate top end are connected with the bottom end of two groups of support seat respectively, the top end of two groups of support seat is hingedly connected with the bottom end of two groups of hydraulic cylinder one respectively, the top end of two groups of hydraulic cylinder one is hingedly connected with the bottom end of grating plate one respectively, grating plate one left end is hingedly connected with adjusting plate one right end, the right end of two groups of two-way threaded rod is respectively connected with the middle part of adjusting plate one with screw thread, the left end of two groups of two-way threaded rod is respectively connected with the middle part of adjusting plate two with screw thread, the bottom end of two groups of hydraulic cylinder two is respectively hingedly connected with the outer wall of two groups of hydraulic cylinder one, the top end of two groups of hydraulic cylinder two is respectively hingedly connected with adjusting plate one right end, adjusting plate two left end is hingedly connected with grating plate right end, grating plate bottom end is connected with the top end of two groups of hydraulic cylinder four, the bottom end of two groups of hydraulic cylinder four is respectively connected with the top end of two groups of support seat two, the bottom end of two groups of support seat two is respectively connected with the top end of two groups of fixed plate two, the bottom end of two groups of hydraulic cylinder three is respectively hingedly connected with the outer wall of two groups of hydraulic cylinder four, the top end of two groups of hydraulic cylinder three is respectively hingedly connected with adjusting plate two left end.

[0009] Preferably, it further includes multiple groups of U-shaped frames and hand screws, the bottom end of each U-shaped frame is connected with the top end of each group of fixed plates and the top end of each group of fixed plates two, the bottom end of each hand screw is connected with the top end of each U-shaped frame with screw thread, each group of fixed plates is provided with a small hole in the position of each group of hand screws, each group of hand screws is rotated through the small hole to be fixed on the tunneling machine, so that the device can be quickly fixed and the operation convenience is improved.

[0010] Preferably, the middle part of the two groups of two-way threaded rods is provided with a handle sleeve, which prevents slipping when the two groups of two-way threaded rods are rotated, and improves the operation convenience.

[0011] Preferably, it further includes two groups of levels, the front end of each level is connected with the bottom end of grating plate one and grating plate, the two groups of levels are arranged to facilitate checking whether grating plate one and grating plate are horizontal when adjusting the position and angle of the device, and the use limitation is reduced.

[0012] Preferably, the two ends of the two groups of two-way threaded rods are provided with limit blocks, which prevent the two-way threaded rods from being separated from adjusting plate one and adjusting plate two when adjusting the width, and improve the use reliability.

[0013] Preferably, it further includes a lighting lamp, the top end of the lighting lamp is connected with the bottom end of adjusting plate one, the lighting lamp is turned on to illuminate the entire support area, the situation in the roadway is observed, and the use limitation is reduced.

[0014] Three beneficial effects

[0015] Compared with the prior art, the tunneling machine airborne temporary support device has the following beneficial effects:

[0016] Simultaneously rotating the two groups of bidirectional threaded rods, adjusting plate two and adjusting plate one drive the grid plate and the grid plate one to move to the appropriate width at both ends, fixing the two groups of fixed plates and the two groups of fixed plates two on the tunneling machine, and simultaneously controlling the length of the two groups of hydraulic cylinders one, the two groups of hydraulic cylinders two, the two groups of hydraulic cylinders four and the two groups of hydraulic cylinders three telescopic cylinders, so that the grid plate one and the grid plate can be adjusted at different heights and different positions on the left and right, greatly improving the entire supporting area in the roadway and reducing the use limitations. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a front view of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 It is an enlarged structure schematic view of A part in the utility model 1.

[0021] Markings in the drawings: 1, fixed plate; 2, support seat; 3, hydraulic cylinder one; 4, grid plate one; 5, adjusting plate one; 6, hydraulic cylinder two; 7, bidirectional threaded rod; 8, adjusting plate two; 9, grid plate; 10, hydraulic cylinder four; 11, hydraulic cylinder three; 12, support seat two; 13, fixed plate two; 14, U-shaped frame; 15, hand screw; 16, handle sleeve; 17, level; 18, limit block; 19, illuminating lamp. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] EMBODIMENT

[0024] Please refer to Figures 1-4The utility model provides an on -board temporary support device of heading machine, including two groups of fixed plate 1, two groups of support seat 2, two groups of hydraulic cylinder 1 3, grid plate 1 4, adjusting plate 1 5, two groups of hydraulic cylinder 2 6, two groups of two -way threaded rod 7, adjusting plate 2 8, grid plate 9, two groups of hydraulic cylinder 4 10, two groups of hydraulic cylinder 3 11, two groups of support seat 2 12 and two groups of fixed plate 2 13, two groups of fixed plate 1 top end is connected with two groups of support seat 2 bottom end respectively, two groups of support seat 2 top end is hinged with two groups of hydraulic cylinder 1 3 bottom end respectively, two groups of hydraulic cylinder 1 3 top end is hinged with grid plate 1 4 bottom end respectively, and grid plate 1 4 left end is hinged with adjusting plate 1 5 right end, and two groups of two -way threaded rod 7 right end are respectively connected with adjusting plate 1 5 middle part threadedly, and two groups of two -way threaded rod 7 left end are respectively connected with adjusting plate 2 8 middle part threadedly, and two groups of hydraulic cylinder 2 6 bottom end are respectively hinged with two groups of hydraulic cylinder 1 3 outer wall, and two groups of hydraulic cylinder 2 6 top end are respectively hinged with adjusting plate 1 5 right end, and adjusting plate 2 8 left end is hinged with grid plate 9 right end, and grid plate 9 bottom end is connected with two groups of hydraulic cylinder 4 10 top end, and two groups of hydraulic cylinder 4 10 bottom end are respectively connected with two groups of support seat 2 12 top end, and two groups of support seat 2 12 bottom end are respectively connected with two groups of fixed plate 2 13 top end, and two groups of hydraulic cylinder 3 11 bottom end are respectively hinged with two groups of hydraulic cylinder 4 10 outer wall, and two groups of hydraulic cylinder 3 11 top end are respectively hinged with adjusting plate 2 8 left end, and the two -way threaded rod 7 of rotating simultaneously, adjusting plate 2 8 and adjusting plate 1 5 drive grid plate 9 and grid plate 1 4 to move to the width of two ends to the appropriate width, and two groups of fixed plate 1 and two groups of fixed plate 2 13 are fixed on the heading machine, and the length of the telescopic cylinder of two groups of hydraulic cylinder 1 3, two groups of hydraulic cylinder 2 6, two groups of hydraulic cylinder 4 10 and two groups of hydraulic cylinder 3 11 is controlled, so that grid plate 1 4 and grid plate 9 can be adjusted at different heights and left and right different positions, the whole support area in the roadway is greatly improved, and the use limitation is reduced.

[0025] Still include multiple groups of U -shaped frame 14 and hand -screw bolt 15, U -shaped frame 14 bottom end is connected with two groups of fixed plate 1 top end, two groups of fixed plate 2 13 top end respectively, and every group of hand -screw bolt 15 bottom end is respectively connected with every group of U -shaped frame 14 top end threadedly, and every group of fixed plate 1 is provided with small hole in the position of every group of hand -screw bolt 15, and every group of hand -screw bolt 15 is fixed on the heading machine by rotating and passing through small hole, so that the device can be quickly fixed, and the operation convenience is improved.

[0026] The middle part of two groups of two -way threaded rod 7 is provided with handle sleeve 16 respectively, and the handle sleeve 16 is set up to prevent slipping when rotating two groups of two -way threaded rod 7, and the operation convenience is improved.

[0027] It also needs to be explained that it also includes two groups of level 17, and the front end of two groups of level 17 is connected with the rear end of grid plate 1 4 and grid plate 9 respectively, and two groups of level 17 are set up to facilitate checking whether grid plate 1 4 and grid plate 9 are horizontal when adjusting position and angle, and the use limitation is reduced.

[0028] The two groups of bidirectional threaded rods 7 are respectively provided with limiting blocks 18 at both ends, the limiting blocks 18 are arranged to prevent the bidirectional threaded rods 7 from being separated from the adjusting plate one 5 and the adjusting plate two 8 during width adjustment, and the reliability of use is improved.

[0029] The lighting lamp 19 is arranged at the top end of the adjusting plate one 5, the lighting lamp 19 is turned on to illuminate the entire supporting area, the situation in the roadway is observed, and the limitation of use is reduced.

[0030] In summary, when the temporary support device of the roadheader is used, two groups of bidirectional threaded rods 7 are simultaneously rotated, the adjusting plate two 8 and the adjusting plate one 5 drive the grid plate 9 and the grid plate one 4 to move to the appropriate width, the two groups of fixed plates 1 and the two groups of fixed plates two 13 are fixed on the roadheader, each group of hand screws 15 is rotated to pass through the small hole, the hand screw 15 is fixed on the roadheader, the lengths of the two groups of hydraulic cylinders one 3, the two groups of hydraulic cylinders two 6, the two groups of hydraulic cylinders four 10 and the two groups of hydraulic cylinders three 11 are controlled, each group of hand screws 15 is rotated to pass through the small hole, the hand screw 15 is fixed on the roadheader, the lighting lamp 19 is turned on to illuminate the entire supporting area.

[0031] The hydraulic cylinder is a commonly known device of the person skilled in the art and is directly purchased on the market, and here, the hydraulic cylinder is only used, and the structure and function of the hydraulic cylinder are not improved, and the hydraulic cylinder will not be described in detail.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A machine-mounted temporary support device for a roadheader, characterized in that The utility model relates to a kind of adjustable grid plate, including two groups of fixed plate (1), two groups of support seat (2), two groups of hydraulic cylinder one (3), grid plate one (4), adjusting plate one (5), two groups of hydraulic cylinder two (6), two groups of two-way threaded rod (7), adjusting plate two (8), grid plate (9), two groups of hydraulic cylinder four (10), two groups of hydraulic cylinder three (11), two groups of support seat two (12) and two groups of fixed plate two (13), two groups of fixed plate (1) top end is connected with the bottom end of two groups of support seat (2) respectively, two groups of support seat (2) top end is hingedly connected with the bottom end of two groups of hydraulic cylinder one (3) respectively, two groups of hydraulic cylinder one (3) top end is hingedly connected with the bottom end of grid plate one (4) respectively, grid plate one (4) left end is hingedly connected with adjusting plate one (5) right end, two groups of two-way threaded rod (7) right end is respectively connected with adjusting plate one (5) middle part threadedly, two groups of two-way threaded rod (7) left end is respectively connected with adjusting plate two (8) middle part threadedly, two groups of hydraulic cylinder two (6) bottom end is hingedly connected with the outer wall of two groups of hydraulic cylinder one (3) respectively, two groups of hydraulic cylinder two (6) top end is hingedly connected with adjusting plate one (5) right end respectively, adjusting plate two (8) left end is hingedly connected with grid plate (9) right end, grid plate (9) bottom end is connected with the top end of two groups of hydraulic cylinder four (10), the top end of two groups of hydraulic cylinder four (10) is connected with the top end of two groups of support seat two (12) respectively, the bottom end of two groups of support seat two (12) is connected with the top end of two groups of fixed plate two (13) respectively, two groups of hydraulic cylinder three (11) bottom end is hingedly connected with the outer wall of two groups of hydraulic cylinder four (10) respectively, two groups of hydraulic cylinder three (11) top end is hingedly connected with adjusting plate two (8) left end respectively.

2. A temporary support device according to claim 1, characterized in that: It further includes multiple groups of U-shaped frame (14) and hand screw (15), U-shaped frame (14) bottom end is connected with the top end of two groups of fixed plate (1) and the top end of two groups of fixed plate two (13) respectively, and the bottom end of each group of hand screw (15) is threadedly connected with the top end of each group of U-shaped frame (14) respectively, and each group of fixed plate (1) is provided with small hole in the position of each group of hand screw (15).

3. The machine-mounted temporary support device according to claim 1, characterized in that: The middle part of the two groups of two-way threaded rod (7) is respectively provided with a handle sleeve (16).

4. The machine-mounted temporary support device according to claim 1, characterized in that: It further includes two groups of level (17), and the front end of two groups of level (17) is connected with the rear end of grid plate one (4) and grid plate (9) respectively.

5. The machine-mounted temporary support device according to claim 1, characterized in that: The two ends of the two groups of two-way threaded rod (7) are respectively provided with a limit block (18).

6. The machine-mounted temporary support device according to claim 1, characterized in that: It further includes illuminating lamp (19), and the top end of illuminating lamp (19) is connected with the bottom end of adjusting plate one (5).