Special-shaped support beam structure for tunnel trolley

Abstract

The present invention relates to the technical field of tunnel trolleys, and specifically to a special-shaped support beam structure for a tunnel trolley, comprising a bottom beam seat, a lifting support, a top beam seat, a telescopic crossbeam and a guide crossbeam, wherein the upper surface of the bottom beam seat is connected to the top beam seat via a plurality of lifting support groups, and a plurality of telescopic crossbeams are connected between the inner side walls of the two top beam seats, with the beneficial effects as follows: the present invention achieves the purpose of controlling the lifting and lowering of the top beam seat by controlling the telescopic rod of the lifting hydraulic cylinder in the lifting support to be extended and retracted; the distance between the two top beam seats is adjusted by controlling the telescopic rods at both ends of the translation hydraulic cylinder in the telescopic crossbeam to be extended and retracted; and the chassis seat connected to the lower end of the telescopic rod of the auxiliary support hydraulic cylinder is contacted with the ground by controlling the extension of the telescopic rod of the auxiliary support hydraulic cylinder, so as to assist the bottom support in providing support and improve stability during construction.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel trolleys, in particular to a special-shaped support beam structure for a tunnel trolley. Background Art

[0002] The tunnel trolley is a special construction machinery and equipment in the construction of tunnel concrete lining. The construction technology combined with the tunnel trolley can greatly improve the construction quality and mechanization degree of tunnel concrete lining and speed up the construction progress. The walking support frame of the traditional tunnel trolley is usually a fixed structure composed of support columns and support beams. It cannot be adjusted in the construction of tunnels of different heights and widths, and its applicability is poor. The bottom of the walking support frame is connected to the guide rail through the walking wheels. During the construction process, the support and fixing performance of the walking support frame is poor. Summary of the invention

[0003] The object of the present invention is to provide a special-shaped support beam structure for a tunnel trolley to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a special-shaped support beam structure for a tunnel trolley, comprising a bottom beam seat, a lifting pillar, a top beam seat, a telescopic beam and a guide beam, the bottom beam seat is provided with a pair of parallel ones, the upper surface of the bottom beam seat is connected to the top beam seat through multiple groups of lifting pillars, a lifting guide rod group is provided at the intervals between the multiple groups of the lifting pillars, multiple groups of telescopic beams are connected between the inner side walls of the two top beam seats, and multiple groups of guide beams are connected between the two top beam seats, a horizontally arranged auxiliary support seat is welded to the outer side wall of the bottom pillar, a vertically downward auxiliary support hydraulic cylinder is provided at the outer end of the lower surface of the auxiliary support seat, the telescopic rod of the auxiliary support hydraulic cylinder is vertically arranged downward, and a chassis seat is provided at the lower end of the telescopic rod of the auxiliary support hydraulic cylinder.

[0005] Preferably, the lifting support includes a bottom support, a lifting hydraulic cylinder and a top support, the bottom of the bottom support is fixed to the upper surface of the bottom beam seat by bolts, the upper end of the bottom support is provided with a lifting hydraulic cylinder, the upper end of the telescopic rod of the lifting hydraulic cylinder is fixedly connected to the lower end of the top support, and the upper end of the top support is fixedly connected to the lower surface of the top beam seat by bolts.

[0006] Preferably, the lifting guide rod group includes a guide cylinder seat and a guide inner rod, the bottom of the guide cylinder seat is fixedly connected to the upper surface of the bottom beam seat by bolts, the guide inner rod fits in the guide cylinder seat, and the upper end of the guide inner rod is fixedly connected to the lower surface of the top beam seat by bolts.

[0007] Preferably, the telescopic beam includes a beam portion and a translation hydraulic cylinder, the translation hydraulic cylinder is a two-way rod hydraulic cylinder, the ends of two telescopic rods of the translation hydraulic cylinder are fixedly connected to the beam portion, and the beam portion is fixedly connected to the inner side wall of the top beam seat by bolts.

[0008] Preferably, a connecting rod is fixed to the inner side wall of the top support by bolts, and the upper end of the connecting rod is fixedly connected to the lower surface of the cross beam by bolts.

[0009] Preferably, the guide beam includes a first guide beam, a second guide beam and an inner guide rod. The first guide beam and the second guide beam are "7"-shaped pillars and are symmetrically fixed on two top beam seats. The end of the first guide beam is provided with an inner guide rod, and the inner guide rod is adapted to be inserted in the second guide beam.

[0010] Compared with the prior art, the invention has the following advantages:

[0011] 1. The upper surface of the bottom beam seat in the present invention is connected to the top beam seat through multiple sets of lifting pillars, and the telescopic rod of the lifting hydraulic cylinder in the lifting pillar is controlled to be extended and retracted, thereby achieving the purpose of controlling the lifting of the top beam seat;

[0012] 2. In the present invention, multiple sets of telescopic beams are connected between the inner side walls of the two top beam seats, and the telescopic rods at both ends of the translation hydraulic cylinder in the telescopic beams are controlled to extend and retract, thereby adjusting the distance between the two top beam seats;

[0013] 3. During construction of the present invention, the telescopic rod of the auxiliary support hydraulic cylinder is controlled to extend so that the chassis seat connected to the lower end of the telescopic rod of the auxiliary support hydraulic cylinder contacts the ground, and the auxiliary bottom support column provides support, thereby improving stability during construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 A top view of the structure of the present invention;

[0016] Figure 3 It is a front view of the structure of the present invention;

[0017] Figure 4 It is a side view of the structure of the present invention.

[0018] In the figure: bottom beam seat 1, lifting support 2, top beam seat 3, lifting guide rod group 4, telescopic beam 5, guide beam 6, bottom support 7, lifting hydraulic cylinder 8, top support 9, guide cylinder seat 10, guide inner rod 11, beam part 12, translation hydraulic cylinder 13, first guide beam 14, second guide beam 15, inner guide rod 16, auxiliary support seat 17, auxiliary support hydraulic cylinder 18, chassis seat 19, connecting rod 20. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 The present invention provides a technical solution: a special-shaped support beam structure for a tunnel trolley, comprising a bottom beam seat 1, a lifting support 2, a top beam seat 3, a telescopic beam 5 and a guide beam 6, combined with Figure 1 and Figure 4 As shown, the bottom beam seat 1 is provided with a pair of parallel ones, and the upper surface of the bottom beam seat 1 is connected to the top beam seat 3 through multiple groups of lifting pillars 2. The lifting pillars 2 include bottom pillars 7, lifting hydraulic cylinders 8 and top pillars 9. The bottom of the bottom pillar 7 is fixed to the upper surface of the bottom beam seat 1 by bolts. The upper end of the bottom pillar 7 is provided with a lifting hydraulic cylinder 8. The upper end of the telescopic rod of the lifting hydraulic cylinder 8 is fixedly connected to the lower end of the top pillar 9. The upper end of the top pillar 9 is fixedly connected to the lower surface of the top beam seat 3 by bolts. The telescopic rod of the lifting hydraulic cylinder 8 is controlled to be extended and retracted, thereby achieving the purpose of controlling the top beam seat 3 to be lifted and lowered. Figure 1 and Figure 3 As shown, a lifting guide rod group 4 is arranged at the intervals between the multiple groups of lifting pillars 2. The lifting guide rod group 4 includes a guide cylinder seat 10 and a guide inner rod 11. The bottom of the guide cylinder seat 10 is fixedly connected to the upper surface of the bottom beam seat 1 by bolts, and the guide inner rod 11 fits in the guide cylinder seat 10. The upper end of the guide inner rod 11 is fixedly connected to the lower surface of the top beam seat 3 by bolts. The lifting guide rod group 4 guides when the top beam seat 3 is lifted and lowered, thereby ensuring the stability of the top beam seat 3 when it is lifted and lowered.

[0021] Combination Figure 1 , Figure 2 and Figure 4 As shown, multiple groups of telescopic beams 5 are connected between the inner side walls of the two top beam seats 3. The telescopic beams 5 include a beam portion 12 and a translation hydraulic cylinder 13. The translation hydraulic cylinder 13 is a two-way rod hydraulic cylinder. The ends of the two telescopic rods of the translation hydraulic cylinder 13 are fixedly connected to the beam portion 12. The beam portion 12 is fixedly connected to the inner side wall of the top beam seat 3 by bolts. The telescopic rods at both ends of the translation hydraulic cylinder 13 are controlled to extend and retract, thereby adjusting the distance between the two top beam seats 3, as shown in FIG. Figure 4 As shown, the inner wall of the top support 9 is fixed with a connecting rod 20 by bolts, and the upper end of the connecting rod 20 is fixedly connected to the lower surface of the beam portion 12 by bolts, thereby strengthening the structural connection between the beam portion 12 and the top support 9 and increasing the bearing capacity of the beam portion 12.

[0022] Combination Figure 2 and Figure 4 As shown, multiple groups of guide beams 6 are connected between the two top beam seats 3 to strengthen the structural connection. The guide beams 6 include a first guide beam 14, a second guide beam 15 and an inner guide rod 16. The first guide beam 14 and the second guide beam 15 are "7"-shaped pillars and are symmetrically fixed on the two top beam seats 3. The end of the first guide beam 14 is provided with an inner guide rod 16, and the inner guide rod 16 is adapted to be inserted in the second guide beam 15. The guide beams 6 are used for guiding when the distance between the two top beam seats 3 is adjusted to ensure the stability of the two top beam seats 3 when adjusting the distance.

[0023] Combination Figure 1 and Figure 4 As shown, a horizontally arranged auxiliary support seat 17 is welded to the outer side wall of the bottom pillar 7, and a vertically downward auxiliary support hydraulic cylinder 18 is provided at the outer end of the lower surface of the auxiliary support seat 17. The telescopic rod of the auxiliary support hydraulic cylinder 18 is vertically arranged downward, and a chassis seat 19 is provided at the lower end of the telescopic rod of the auxiliary support hydraulic cylinder 18. When the present invention is under construction, the telescopic rod of the auxiliary support hydraulic cylinder 18 is controlled to extend so that the chassis seat 19 connected to the lower end of the telescopic rod of the auxiliary support hydraulic cylinder 18 is in contact with the ground, thereby assisting the bottom pillar 7 in providing support and improving stability during construction.

[0024] Working principle: the upper surface of the bottom beam seat 1 in the present invention is connected to the top beam seat 3 through multiple groups of lifting pillars 2, and the telescopic rod of the lifting hydraulic cylinder 8 in the lifting pillar 2 is controlled to be extended and retracted, so as to achieve the purpose of controlling the lifting and lowering of the top beam seat 3; multiple groups of telescopic beams 5 are connected between the inner side walls of the two top beam seats 3, and the telescopic rods at both ends of the translation hydraulic cylinder 13 in the telescopic beam 5 are controlled to be extended and retracted, so as to adjust the distance between the two top beam seats 3; when the present invention is under construction, the telescopic rod of the auxiliary support hydraulic cylinder 18 is controlled to be extended, so that the chassis seat 19 connected to the lower end of the telescopic rod of the auxiliary support hydraulic cylinder 18 is in contact with the ground, and the auxiliary bottom pillar 7 is supported, thereby improving the stability during construction.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special-shaped support beam structure for a tunnel trolley, comprising a bottom beam seat (1), a lifting support (2), a top beam seat (3), a telescopic beam (5) and a guide beam (6), characterized in that: The bottom beam seat (1) is provided with a pair of parallel ones, the upper surface of the bottom beam seat (1) is connected to the top beam seat (3) through multiple groups of lifting pillars (2), a lifting guide rod group (4) is provided at the intervals between the multiple groups of lifting pillars (2), multiple groups of telescopic beams (5) are connected between the inner side walls of the two top beam seats (3), and multiple groups of guide beams (6) are connected between the two top beam seats (3), the lifting pillars (2) include a bottom pillar (7), a lifting hydraulic cylinder (8) and a top pillar (9), the bottom of the bottom pillar (7) is bolted to the bottom beam seat (1) The upper surface is fixed, the upper end of the bottom support (7) is provided with a lifting hydraulic cylinder (8), the upper end of the telescopic rod of the lifting hydraulic cylinder (8) is fixedly connected to the lower end of the top support (9), the upper end of the top support (9) is fixedly connected to the lower surface of the top beam seat (3) by bolts, the outer side wall of the bottom support (7) is welded with a horizontally arranged auxiliary support seat (17), the outer end of the lower surface of the auxiliary support seat (17) is provided with a vertically downward auxiliary support hydraulic cylinder (18), the telescopic rod of the auxiliary support hydraulic cylinder (18) is vertically arranged downward, and the auxiliary support hydraulic cylinder (18) ) is provided with a chassis seat (19) at the lower end of the telescopic rod; the lifting guide rod group (4) includes a guide cylinder seat (10) and a guide inner rod (11); the bottom of the guide cylinder seat (10) is fixedly connected to the upper surface of the bottom beam seat (1) by bolts, the guide inner rod (11) is fitted in the guide cylinder seat (10), and the upper end of the guide inner rod (11) is fixedly connected to the lower surface of the top beam seat (3) by bolts; the telescopic crossbeam (5) includes a crossbeam portion (12) and a translation hydraulic cylinder (13); the translation hydraulic cylinder (13) is a bidirectional rod-exiting hydraulic cylinder, and the translation hydraulic cylinder (11) is a bidirectional rod-exiting hydraulic cylinder. The ends of the two telescopic rods of the top beam (3) are fixedly connected to a crossbeam portion (12), and the crossbeam portion (12) is fixedly connected to the inner side wall of the top beam seat (3) by means of bolts; the guide crossbeam (6) comprises a first guide crossbeam (14), a second guide crossbeam (15) and an inner guide rod (16), the first guide crossbeam (14) and the second guide crossbeam (15) are "7"-shaped pillars and are symmetrically fixed on the two top beam seats (3), the end of the first guide crossbeam (14) is provided with an inner guide rod (16), and the inner guide rod (16) is adapted to be inserted into the second guide crossbeam (15).

2. The special-shaped support beam structure for a tunnel trolley according to claim 1, characterized in that: A connecting rod (20) is fixed to the inner side wall of the top support (9) by means of bolts, and the upper end of the connecting rod (20) is fixedly connected to the lower surface of the crossbeam portion (12) by means of bolts.

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