Tunneling supporting device

Abstract

The utility model discloses a tunneling support device, which relates to the technical field of tunneling support and comprises a hydraulic rod, a connecting rod fixedly connected to the top of the hydraulic rod, a piston fixedly connected to one end of the connecting rod, a connecting pipe arranged on the surface of the connecting rod, a spring arranged inside the connecting pipe, and the inner wall of the connecting pipe in sliding connection with the piston. A connecting plate is fixedly connected to the upper surface of the connecting pipe, an inserting groove is formed in the side face of the connecting plate, a through hole is formed in the inner wall of the inserting groove, and a connecting strip is arranged on the inner wall of the inserting groove. According to the protective belt, the connecting strips on the two sides of the protective belt are inserted into the inserting grooves in the two connecting plates respectively, one end of the fixing bolt penetrates through the through hole and the matching hole, and the nut is installed at one end of the fixing bolt, so that the connecting strips are fixed to the connecting plates, and when a falling object is generated in a working place, the falling object hits the connecting plates or the protective belt, and the protective belt is prevented from falling off. And therefore, the connecting pipe moves downwards under the impact effect of the falling object.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunneling support technical field especially relates to a tunneling support device. BACKGROUND

[0002] In the mining, especially the underground mining of coal mine, the traditional support mode needs to rely on the artificial or anchor rod drilling rig to carry out the anchor rod operation under the condition that the tunneling device stops after the cutting of the tunneling device is completed.

[0003] When carrying out the tunneling operation, the work site is easy to produce the falling object, and the falling object is easy to hit on the support device, causes the damage to the support device, and the anchor rod only fixes the bottom, therefore, the top of the support device is easy to shake. UTILITY MODEL CONTENT

[0004] The utility model discloses a tunneling support device, which solves the problem that the falling object is easy to hit on the support device, causes the damage to the support device, and the anchor rod only fixes the bottom, and the top of the support device is easy to shake.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a tunneling support device, including hydraulic rod, the top of hydraulic rod is fixedly connected with connecting rod, one end of connecting rod is fixedly connected with piston, the surface of connecting rod is provided with connecting pipe, the inside of connecting pipe is provided with spring, the inner wall of connecting pipe is slidably connected with piston, the upper surface of connecting pipe is fixedly connected with connecting plate, the side surface of connecting plate is equipped with the slot, the inner wall of slot is provided with through -hole, the inner wall of slot is provided with connecting strip, the surface of connecting strip is fixedly connected with the protective band.

[0006] As a further description of the above technical scheme:

[0007] The surface of connecting strip is equipped with the cooperation hole, and the position of cooperation hole is adapted with through -hole.

[0008] As a further description of the above technical scheme:

[0009] The through -hole is provided with fixed bolt.

[0010] As a further description of the above technical scheme:

[0011] The upper surface of connecting plate is fixedly connected with connecting seat, and connecting seat is distributed at equal intervals on the upper surface of connecting plate.

[0012] As a further description of the above technical scheme:

[0013] The upper surface of connecting seat is fixedly connected with plug, and the surface of plug is provided with wear -resisting layer.

[0014] As a further description of the above technical solutions:

[0015] The output end of the hydraulic rod is fixedly connected with a bottom plate, and the lower surface of the bottom plate is fixedly connected with a conical head.

[0016] As a further description of the above technical solutions:

[0017] The anti-tension core layer is fixedly connected with an anti-shearing layer on the surface.

[0018] As a further description of the above technical solutions:

[0019] The surface of the anti-shearing layer is fixedly connected with an anti-abrasion layer.

[0020] As a further description of the above technical solutions:

[0021] The number of the connecting plates is two, and the two connecting plates are symmetrically distributed.

[0022] As a further description of the above technical solutions:

[0023] The number of the hydraulic rods on the lower surface of the connecting plate is three.

[0024] The utility model has the advantages of the following:

[0025] 1. Compared with the prior art, the tunneling supporting device inserts the connecting strips on the two sides of the protective belt into the insertion slots on the two connecting plates respectively, passes the one end of the fixing bolt through the through hole and the matching hole, and then installs the nut on the one end of the fixing bolt, so that the connecting strips are fixed on the connecting plates. When falling objects occur at the work site, the falling objects hit the connecting plates or the protective belt, and then the connecting pipes move downward under the impact of the falling objects, the connecting pipes slide with the connecting rods, the springs deform, buffering is performed, and the device is not easy to be damaged by the falling objects.

[0026] 2. Compared with the prior art, when falling objects fall at the work site, the anti-tension core layer improves the tensile capacity of the protective belt, the protective belt is not easy to be broken, the sharp falling objects are blocked by the anti-shearing layer, the protective belt is not easy to be damaged by the sharp falling objects, the anti-abrasion layer improves the wear resistance of the protective belt, and the service life of the protective belt is improved.

[0027] 3. Compared with the prior art, after the hydraulic rod is erected, the bottom plate on the lower surface of the hydraulic rod is attached to the ground at the work site, the conical head is inserted into the ground at the work site, the bottom of the hydraulic rod is not easy to slide, after the hydraulic rod is elongated, the upper surface of the connecting plate is attached to the top of the work site, the plug and the connecting seat are inserted into the top of the work site, and thus the top of the hydraulic rod is not easy to slide. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 Figure 1 is a schematic diagram of the overall structure of a tunneling support device according to the present application;

[0029] Figure 2 Figure 2 is a schematic diagram of the internal structure of a connecting pipe of a tunneling support device according to the present application;

[0030] Figure 3 Figure 3 is a sectional view of a connecting plate of a tunneling support device according to the present application;

[0031] Figure 4 Figure 4 is a schematic diagram of the structure of a connecting strip of a tunneling support device according to the present application;

[0032] Figure 5 Figure 5 is a flip-over view of a bottom plate of a tunneling support device according to the present application;

[0033] Figure 6 Figure 6 is a sectional view of a protective belt of a tunneling support device according to the present application.

[0034] LEGEND:

[0035] 1, hydraulic rod; 2, connecting rod; 3, piston; 4, connecting pipe; 5, spring; 6, connecting plate; 7, connecting seat; 8, plug; 9, connecting strip; 10, protective belt; 11, matching hole; 12, fixing bolt; 13, insertion slot; 14, through hole; 15, bottom plate; 16, conical head; 17, tensile core layer; 18, shear-resistant layer; 19, anti-wear layer. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore cannot be understood as a limitation on the utility model; the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise expressly specified and limited, the term "installation", "connection", "connection" should be broadly understood, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0038] Embodiment

[0039] Refer to Figure 1 - Figure 6The utility model provides a kind of tunneling supporting device: including hydraulic rod 1, the quantity of the lower surface hydraulic rod 1 of connecting plate 6 is set to three, the top of hydraulic rod 1 is fixedly connected with connecting rod 2, one end of connecting rod 2 is fixedly connected with piston 3, the surface of connecting rod 2 is provided with connecting pipe 4, spring 5 is provided in connecting pipe 4, the inner wall of connecting pipe 4 is slidably connected with piston 3, the upper surface of connecting pipe 4 is fixedly connected with connecting plate 6, the quantity of connecting plate 6 has two, two connecting plates 6 are symmetrically distributed, slot 13 is set in the side of connecting plate 6, through-hole 14 is set in the inner wall of slot 13, connecting strip 9 is set in the inner wall of slot 13, the surface of connecting strip 9 is fixedly connected with protective band 10, cooperation hole 11 is set in the surface of connecting strip 9, the position of cooperation hole 11 is adapted with through-hole 14, fixed bolt 12 is set on through-hole 14, after device is transported to work site, connecting strip 9 on the two sides of protective band 10 is inserted into slot 13 on two connecting plates 6 respectively, one end of fixed bolt 12 is passed through through-hole 14 and cooperation hole 11, and nut is mounted on one end of fixed bolt 12, to fix connecting strip 9 on connecting plate 6, hydraulic rod 1 is erected, and make the side of hydraulic rod 1 close to work site, hydraulic rod 1 is elongated, connecting plate 6 is pushed up, hydraulic rod 1 generates thrust, and connecting plate 6 is fixed on the top of work site, the bottom of hydraulic rod 1 is fixed on the ground of work site, simultaneously force connecting pipe 4 and connecting rod 2 to slide, further compress spring 5, when work site produces dropouts, dropouts hit on connecting plate 6 or protective band 10, to make connecting pipe 4 move downward under the impact of dropouts, make connecting pipe 4 and connecting rod 2 slide, make spring 5 deform, buffer, make device not easy to be damaged by dropouts.

[0040] The upper surface of the connecting plate 6 is fixedly connected with connecting seats 7 which are distributed at equal intervals on the upper surface of the connecting plate 6, the upper surface of the connecting seat 7 is fixedly connected with a plug 8, the surface of the plug 8 is provided with a wear-resistant layer, the output end of the hydraulic rod 1 is fixedly connected with a bottom plate 15, the lower surface of the bottom plate 15 is fixedly connected with a conical head 16, after the hydraulic rod 1 is erected, the bottom plate 15 on the lower surface of the hydraulic rod 1 is attached to the ground of the work site, so that the conical head 16 is inserted into the ground of the work site, so that the bottom of the hydraulic rod 1 is not prone to sliding, after the hydraulic rod 1 is elongated, the upper surface of the connecting plate 6 is attached to the top of the work site, the plug 8 and the connecting seat 7 are inserted into the top of the work site, so that the top of the hydraulic rod 1 is not prone to sliding, the protective belt 10 comprises a tensile core layer 17, the surface of the tensile core layer 17 is fixedly connected with a shear-resistant layer 18, the surface of the shear-resistant layer 18 is fixedly connected with an anti-wear layer 19, when falling objects fall in the work site, the tensile core layer 17 improves the tensile capacity of the protective belt 10, the protective belt 10 is not prone to breaking, sharp falling objects are blocked by the shear-resistant layer 18, so that the protective belt 10 is not prone to being damaged by sharp falling objects, the anti-wear layer 19 improves the wear resistance of the protective belt 10, which is beneficial to improving the service life of the protective belt 10.

[0041] Working principle: step one, one end of the fixing bolt 12 is inserted through the through hole 14 and the matching hole 11, and then a nut is installed on one end of the fixing bolt 12, so as to fix the connecting strip 9 on the connecting plate 6.

[0042] Step two, the hydraulic rod 1 on one connecting plate 6 is erected and close to the side surface of the work site, the hydraulic rod 1 is elongated, so that the conical head 16 is inserted into the ground of the work site, so that the bottom of the hydraulic rod 1 is not prone to sliding, after the hydraulic rod 1 is elongated, the upper surface of the connecting plate 6 is attached to the top of the work site, the plug 8 and the connecting seat 7 are inserted into the top of the work site, so that the top of the hydraulic rod 1 is not prone to sliding, and the hydraulic rod 1 on the other connecting plate 6 is also erected, and the protective belt 10 is unfolded, so that the hydraulic rod 1 on the other connecting plate 6 is close to the ground of the corresponding work site.

[0043] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A heading support device comprising a hydraulic boom (1), characterized in that: The top of the hydraulic rod (1) is fixedly connected with a connecting rod (2), one end of the connecting rod (2) is fixedly connected with a piston (3), the surface of the connecting rod (2) is provided with a connecting pipe (4), the inside of the connecting pipe (4) is provided with a spring (5), the inner wall of the connecting pipe (4) is in sliding connection with the piston (3), the upper surface of the connecting pipe (4) is fixedly connected with a connecting plate (6), the side surface of the connecting plate (6) is provided with a slot (13), the inner wall of the slot (13) is provided with a through hole (14), the inner wall of the slot (13) is provided with a connecting strip (9), the surface of the connecting strip (9) is fixedly connected with a protective belt (10).

2. A heading support apparatus according to claim 1, characterised in that: The surface of the connecting strip (9) is provided with a matching hole (11), the position of the matching hole (11) is matched with the through hole (14).

3. A heading support apparatus according to claim 2, characterised in that: The through hole (14) is provided with a fixing bolt (12).

4. A heading support device according to claim 1, characterised in that: The upper surface of the connecting plate (6) is fixedly connected with a connecting seat (7), the connecting seat (7) is distributed at equal intervals on the upper surface of the connecting plate (6).

5. A heading support device according to claim 4, characterised in that: The upper surface of the connecting seat (7) is fixedly connected with a plug (8), the surface of the plug (8) is provided with a wear-resistant layer.

6. A heading support device according to claim 1, characterised in that: The output end of the hydraulic rod (1) is fixedly connected with a bottom plate (15), the lower surface of the bottom plate (15) is fixedly connected with a conical head (16).

7. A heading support device according to claim 1, characterised in that: The protective belt (10) comprises a tensile core layer (17), the surface of the tensile core layer (17) is fixedly connected with a shear-resistant layer (18).

8. A heading support device according to claim 7, characterised in that: The surface of the shear-resistant layer (18) is fixedly connected with an anti-abrasion layer (19).

9. A heading support device according to claim 1, characterised in that: The number of the connecting plate (6) is two, and the two connecting plates (6) are symmetrically distributed.

10. A heading support device according to claim 1, characterised in that: The number of the hydraulic rod (1) on the lower surface of the connecting plate (6) is three.

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