Drilling and blasting trolley edge protection device

Abstract

An edge protection device for a drilling and blasting trolley belongs to the technical field of drilling and blasting construction and comprises a base, one side of the base is fixedly connected with the drilling and blasting trolley, the other side of the base is connected with a telescopic pull rod through a connecting rod, and the two ends of the connecting rod are hinged to the base and the telescopic pull rod respectively. A moving groove is formed in the bottom of the telescopic pull rod in the length direction of the telescopic pull rod, a telescopic guide rail is installed in the moving groove, and a telescopic fence is connected to the lower portion of the telescopic guide rail through pulleys. The length of the protective device can be flexibly adjusted through the telescopic handrails, it can be ensured that the protective fence can be tightly attached to an edge area no matter under different working conditions such as a narrow tunnel space or a wide strip mine field, and personnel and objects are effectively prevented from falling from the high position.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the drilling and blasting construction technical field relates to a temporary edge protection device, in particular to a drilling and blasting platform truck temporary edge protection device. BACKGROUND

[0002] In the process of water conservancy and hydropower, highway, railway and other small section tunnel construction, drilling and blasting method is often used for excavation construction, that is, drilling and blasting platform truck cooperates with manual drilling to work.

[0003] However, the drilling and blasting platform truck temporary edge protection measure in the prior art is relatively simple. The fixed railings or ropes are usually used for protection. However, these traditional protection measures have many problems. The height and spacing of the fixed railings often cannot be adjusted according to the actual situation, and it is difficult to adapt to different operation requirements and platform truck structures. The rope protection has poor stability, is easy to loosen or break, and greatly limits the activities of personnel, affecting the construction efficiency.

[0004] Therefore, in order to solve these problems, the utility model provides a drilling and blasting platform truck temporary edge protection device. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a drilling and blasting platform truck temporary edge protection device, which solves the technical problems of poor flexibility and safety of the drilling and blasting platform truck temporary edge protection device in the prior art.

[0006] To achieve the above-mentioned purposes and other related purposes, the utility model provides a drilling and blasting platform truck temporary edge protection device, which comprises a base, one side of the base is fixedly connected with a drilling and blasting platform truck, the other side of the base is connected with an extensible pull rod through a connecting rod, the two ends of the connecting rod are respectively hinged with the base and the extensible pull rod, a moving groove is formed in the length direction of the bottom of the extensible pull rod, an extensible guide rail is installed in the moving groove, and an extensible fence is connected below the extensible guide rail through a pulley.

[0007] Preferably in any of the above-mentioned solutions, one side of the base connected with the connecting rod is recessed inward to form a mounting groove, a spherical hinge joint is arranged in the mounting groove, one end of the connecting rod is connected with the spherical hinge joint, the other end of the connecting rod is also provided with a spherical hinge joint, and the end of the extensible pull rod is connected with the spherical hinge joint.

[0008] Preferably in any of the above-mentioned solutions, the extensible pull rod comprises an outer tube and an inner tube sleeved in the outer tube, and the end of the outer tube is connected with the spherical hinge joint.

[0009] Preferably in any of the above-mentioned solutions, a plurality of fixing holes are formed in the length direction of the upper surfaces of the outer tube and the inner tube, and the outer tube and the inner tube are fixed by inserting a bolt into the fixing hole.

[0010] Preferably in any of the above solutions, the telescopic guide rail comprises a first guide rail and a second guide rail sleeved in the first guide rail and movable along the first guide rail, and a plurality of third guide rails are sequentially sleeved between the first guide rail and the second guide rail.

[0011] Preferably in any of the above solutions, the upper end of the first guide rail is connected with the inner tube, and the end of the second guide rail is connected with the outer tube.

[0012] Preferably in any of the above solutions, the first guide rail, any two adjacent third guide rails and the second guide rail are all provided with balls.

[0013] Preferably in any of the above solutions, two pulleys movable along the length direction of the telescopic guide rail are arranged on the telescopic guide rail, and the telescopic fence is sleeved on the center rod of the pulley through a steel wire.

[0014] Preferably in any of the above solutions, the free end of the inner tube is fixedly connected with a threaded steel bar.

[0015] As described above, the drilling and blasting vehicle edge protection device has the following beneficial effects:

[0016] 1. In the drilling and blasting vehicle edge protection device, the length of the protection device can be flexibly adjusted through the telescopic fence, and the protection fence can be closely attached to the edge area in different working conditions such as narrow tunnel space or more open open-pit mine, so as to effectively prevent personnel and objects from falling from a high place. At the same time, the device also has good strength and stability, can withstand a certain external force, ensures the integrity of the protection structure, and provides reliable safety protection for construction personnel.

[0017] 2. In the drilling and blasting vehicle edge protection device, the telescopic pull rod is relatively simple to install and disassemble on the drilling and blasting vehicle. Construction personnel can quickly complete the setting or removal of the protection device without using complex tools or performing tedious operations, saving construction time and improving work efficiency. With the advancement of drilling and blasting operations, the position and range of the edge area may change, and the operator can easily adjust the length and angle of the telescopic pull rod to timely adjust the protection range, so that the protection is always in the best state.

[0018] 3. In the drilling and blasting vehicle edge protection device, compared with the traditional fixed-size protection device, the telescopic pull rod can be shrunk to a smaller size when not in use or when transported, saving storage and transportation space. Moreover, since it can be repeatedly used and is suitable for drilling and blasting vehicles of various specifications, it can reduce equipment purchase and maintenance costs in the long run. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 shows the structure schematic diagram of the utility model in use.

[0020] Figure 2 shows the structure schematic diagram of the utility model not in use.

[0021] Figure 3 shows the connection schematic diagram between the telescopic pull rod and the base.

[0022] Figure 4 shows the side view of the telescopic guide rail and the telescopic pull rod connection.

[0023] Figure 5 shows the structure schematic diagram of the spherical hinge.

[0024] Element number explanation

[0025] 1-base; 11-mounting groove; 12-spherical hinge; 121-ball head seat; 122-hooping sleeve; 123-ball head snap ring; 124-spherical end; 2-connection rod; 3-telescopic pull rod; 31-outer tube; 32-inner tube; 33-fixing hole; 34-latch; 4-telescopic guide rail; 41-first guide rail; 42-second guide rail; 43-third guide rail; 44-rolling ball; 5-telescopic fence; 6-pulley; 7-threaded steel bar. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the implementation of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0027] Please refer to Figures 1 to 5 It should be understood that the structure, proportion, size, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the utility model, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, the change or adjustment of the relative relationship, without changing the technical content, is also regarded as the scope of the utility model.

[0028] Please refer to Figures 1-5The utility model provides a kind of drill and blast trailer edge protection device, including base 1, the side of base 1 is fixedly connected with drill and blast trailer, the other side of base 1 is connected with telescopic pull rod 3 by connecting rod 2, the both ends of connecting rod 2 are hinged with base 1 and telescopic pull rod 3 respectively, telescopic pull rod 3 bottom is provided with moving groove along its length direction, telescopic guide rail 4 is installed in moving groove, telescopic guide rail 4 below is connected with telescopic fence 5 by pulley 6.

[0029] When the embodiment is used, drill and blast trailer temporary protection device includes base 1, base 1 is processed by several iron sheets, drill 4 two symmetrical connecting holes at the four corners of base 1, connect base 1 with drill and blast trailer by connecting bolt through connecting hole.When drill and blast trailer is in construction process, according to the edge distance of construction time, the length of telescopic pull rod 3 is adjusted, the length of telescopic guide rail 4 is adjusted simultaneously, the width of telescopic fence 5 is adjusted by the movement of pulley 6 on telescopic guide rail 4, so that telescopic fence 5 can closely adhere to edge area, effectively prevent personnel or object from falling from high place.

[0030] In order to adjust the height of temporary protection, thereby meeting different use requirements, connecting rod 2 is hinged between telescopic pull rod 3 and base 1 in the embodiment.When the height of temporary protection needs to be adjusted, first rotate connecting rod 2 around base 1, so that the height of telescopic pull rod 3 reaches the required height, then rotate telescopic pull rod 3 around connecting rod 2, so that telescopic fence 5 under telescopic pull rod 3 is rotated to horizontal position and can play effective protection effect.

[0031] Therefore, the embodiment can adjust the length and height of edge protection device, so that edge protection device can ensure that guardrail can closely adhere to edge area whether in narrow tunnel space or more open open-pit mine and different working conditions, effectively prevent personnel and object from falling from high place.At the same time, the device has good strength and stability, can bear certain external force, ensures the integrity of protection structure, provides reliable safety guarantee for construction personnel.

[0032] As further description of the above embodiment, the side of base 1 and connecting rod 2 is recessed to form mounting groove 11, ball-shaped hinge joint 12 is arranged in mounting groove 11, one end of connecting rod 2 is connected with ball-shaped hinge joint 12, the other end of connecting rod 2 is also provided with ball-shaped hinge joint 12, and the end of telescopic pull rod 3 is connected with ball-shaped hinge joint 12.

[0033] When the embodiment is used, the hinge mode between connecting rod 2 and base 1, telescopic pull rod 3 and connecting rod 2 is all hinged through ball-shaped hinge joint 12.

[0034] The spherical hinge joint 12 comprises a ball head seat 121, a ball head snap ring 123 is arranged outside the ball head seat 121, and the ball head snap ring 123 is fastened by a clamping sleeve 122.

[0035] Specifically, a mounting groove 11 is formed on one side of the base 1 which is connected with the connecting rod 2. A spherical end head 124 is fixedly connected to one end of the connecting rod 2 which is connected with the base 1, and a mounting groove 11 is formed on one end of the connecting rod 2 which is connected with the telescopic pull rod 3. A spherical end head 124 is fixedly connected to one end of the telescopic pull rod 3 which is connected with the connecting rod 2.

[0036] The spherical end head 124 on the connecting rod 2 is arranged in the mounting groove 11 of the base 1 and can rotate around the mounting groove 11 of the base 1, and the spherical end head 124 on the telescopic pull rod 3 is arranged in the mounting groove 11 of the connecting rod 2 and can rotate around the mounting groove 11 of the connecting rod 2, so that the adjustment of the height of the edge protection is realized by the rotation of the connecting rod 2 around the base 1 and the rotation of the telescopic pull rod 3 around the connecting rod 2.

[0037] In this embodiment, the connecting rod 2 is a stainless steel pipe.

[0038] As a further description of the above embodiment, the telescopic pull rod 3 comprises an outer pipe 31 and an inner pipe 32 sleeved in the outer pipe 31, and the end of the outer pipe 31 is connected with the spherical hinge joint 12.

[0039] In use, the outer pipe 31 and the inner pipe 32 are both made of stainless steel zinc pipe, and the inner diameter of the outer pipe 31 is slightly larger than the outer diameter of the inner pipe 32.

[0040] According to the actual situation of the project, a plurality of stainless steel zinc pipes can be arranged between the outer pipe 31 and the inner pipe 32.

[0041] When the inner pipe 32 is moved outward along the outer pipe 31 to the required length, the inner pipe 32 needs to be fixed to ensure the stability of the telescopic railing, therefore, a plurality of fixing holes 33 are formed on the upper surfaces of the outer pipe 31 and the inner pipe 32 along the length direction, and the inner pipe 32 is fixed by inserting a bolt 34 into the corresponding fixing hole 33.

[0042] As a further description of the above embodiment, the telescopic guide rail 4 comprises a first guide rail 41 and a second guide rail 42 which is sleeved in the first guide rail 41 and can move along the first guide rail 41, and a plurality of third guide rails 43 can be arranged between the first guide rail 41 and the second guide rail 42.

[0043] When the embodiment is used, the outer tube 31 and the inner tube 32 can be provided with a moving groove in the lower part along the length direction, and the telescopic guide rail 4 is installed in the moving groove. The telescopic guide rail 4 comprises a first guide rail 41 and a second guide rail 42 which are sleeved and movable, and a plurality of third guide rails 43 which are sleeved and movable between the first guide rail 41 and the second guide rail 42.

[0044] The upper end of the first guide rail 41 is connected with the inner tube 32 through a threaded nail, and the end of the second guide rail 42 is connected with the outer tube 31 through a drawing pin, so as to ensure that the second guide rail 42 is always in a fixed state, and the first guide rail 41 connected with the inner tube 32 is moved along the length direction of the inner tube 32 to the required length during the movement of the inner tube 32. When the required length of the protection device is long, the first guide rail 41 is moved to the end to sequentially drive the third guide rail 43 to move, so as to meet different use requirements.

[0045] In the embodiment, the telescopic guide rail 4 is made of cold-rolled steel plate, and the thickness can be determined according to the load-bearing capacity of the guide rail required by the construction environment. The guide rail is made of cold-rolled steel plate through stamping and bending, and is matched with a sliding block composed of metal and wear-resistant plastic and provided with a ball 44 or a roller, and is assembled, installed, limited and processed to realize smooth telescopic expansion of the telescopic guide rail 4.

[0046] Two pulleys 6 which can move along the length direction of the telescopic guide rail 4 are arranged on the telescopic guide rail 4, and the telescopic fence 5 is connected below the pulleys 6. When the telescopic guide rail 4 is moved to the required length, the pulleys 6 are moved to drive the telescopic fence 5 to expand to the required width for protection.

[0047] In the embodiment, the telescopic fence 5 is sleeved on the center rod of the pulley 6 through a steel wire, and the area of the steel wire is larger than that of the center rod, so as to prevent strangulation.

[0048] In the embodiment, the telescopic fence 5 is composed of a plurality of stainless steel pipes which are connected through fence type hinged connection, and the common contact positions of the adjacent two steel pipes are further fixed through additional pin buckles.

[0049] In order to reduce the friction between the first guide rail 41, the second guide rail 42 and the third guide rail 43 during the movement, so as to reduce the friction loss and the force required to drive the telescopic guide rail 4 to move, the ball 44 is arranged between the first guide rail 41 and the third guide rail 43, between any two adjacent third guide rails 43 and between the third guide rail 43 and the second guide rail 42.

[0050] As a further description of the above embodiment, the free end of the inner tube 32 is fixedly connected with a threaded steel bar 7.

[0051] When the embodiment is used, the threaded steel bar 7 can be inserted into the surrounding rock to stabilize the protection device.

[0052] In summary, the utility model discloses can be through telescopic barrier flexible adjustment guard length, whether in narrow tunnel space or more open open pit mine etc.

[0053] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A drill jumbo edge protection device comprising a base (1), characterised in that: One side of the base (1) is fixedly connected with the drill and blast truck, the other side of the base (1) is connected with the telescopic pull rod (3) through the connecting rod (2), the both ends of the connecting rod (2) are hingedly connected with the base (1) and the telescopic pull rod (3) respectively, the bottom of the telescopic pull rod (3) is provided with the moving groove along the length direction, the telescopic guide rail (4) is installed in the moving groove, the telescopic fence (5) is connected with the pulley (6) below the telescopic guide rail (4).

2. The drill jumbo edge protection device according to claim 1, characterized in that: The side of the base (1) connected with the connecting rod (2) is inwardly recessed to form the mounting groove (11), the spherical hinge joint (12) is arranged in the mounting groove (11), one end of the connecting rod (2) is connected with the spherical hinge joint (12), the other end of the connecting rod (2) is also provided with the spherical hinge joint (12), and the end of the telescopic pull rod (3) is connected with the spherical hinge joint (12).

3. The drill jumbo edge protection device according to claim 2, characterized in that: The telescopic pull rod (3) comprises the outer tube (31) and the inner tube (32) sleeved in the outer tube (31), and the end of the outer tube (31) is connected with the spherical hinge joint (12).

4. The drill jumbo edge protection device according to claim 3, characterized in that: The upper surfaces of the outer tube (31) and the inner tube (32) are provided with a plurality of fixing holes (33) along the length direction, and the outer tube (31) and the inner tube (32) are fixed by inserting the bolt (34) into the fixing hole (33).

5. The drill jumbo edge protection device according to claim 1, characterized in that: The telescopic guide rail (4) comprises the first guide rail (41) and the second guide rail (42) sleeved in the first guide rail (41), and a plurality of third guide rails (43) can be arranged between the first guide rail (41) and the second guide rail (42) in sequence.

6. The drill jumbo edge protection device according to claim 5, characterized in that: The upper end of the first guide rail (41) is connected with the inner tube (32), and the end of the second guide rail (42) is connected with the outer tube (31).

7. The drill jumbo edge protection device according to claim 5, characterized in that: The first guide rail (41) and the third guide rail (43), any two adjacent third guide rails (43) and the third guide rail (43) and the second guide rail (42) are all provided with the ball (44).

8. The drill jumbo edge protection device according to claim 1, characterized in that: The telescopic guide rail (4) is provided with two pulleys (6) that can move along the length direction of the telescopic guide rail (4), and the telescopic fence (5) is sleeved on the center rod of the pulley (6) through the steel wire.

9. The drill jumbo edge protection device according to claim 3, characterized in that: The suspended end of the inner tube (32) is fixedly connected with the threaded steel bar (7).

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