Suspension dust cover system of ground milling equipment

Abstract

The utility model relates to the technical field of milling equipment, and provides a suspension dust cover system of ground milling equipment, which comprises a dust cover and a suspension system, the suspension system comprises a handle, a spring positioning pin, a limit stop lever and an air spring, the handle is vertically and fixedly connected with the limit stop lever, the limit stop lever is vertically and fixedly connected with the air spring, and the air spring is fixedly connected with the dust cover. The bottom of the gas spring is connected with the upper edge of the dustproof cover through a connecting piece; and the spring positioning pin is matched with the limiting stop lever and is used for limiting the limiting stop lever. The air spring is pressed downwards through the handle to generate elastic force, the dust cover is linked to continuously bear downward pressure, so that the dust cover is always in contact with the ground, the sealing effect of the dust cover in the machine construction process is effectively improved, and the equipment is matched with a dust collector to suck and grind dust particles more sufficiently.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling equipment technical field, concretely relates to a ground milling equipment suspension dust cover system. BACKGROUND

[0002] The concrete milling grinder is also called concrete milling machine, which is mainly used for waterproof treatment of bridge surface, evenness and waterproof treatment of box girder surface of high-speed railway, milling and removing of asphalt pavement, ice and snow removal of bridge and road surface, removing of ground coating and traffic marking, removing of airport road marking and airplane runway tire braking trace.

[0003] Since the asphalt concrete pavement is composed of mineral aggregate and asphalt material with certain gradation, dust will be produced when the pavement is milled, and the gap between the equipment and the pavement will make the produced dust float out of the gap, causing dust flying, which will affect the visibility of work and the health of workers.

[0004] The ground milling equipment developed and produced by our company is provided with an industrial dust collector at the bottom of the equipment, and a dust cover is installed at the bottom of the industrial dust collector. In actual use, since the ground is uneven, the convex part will further push the dust cover upwards and be clamped in the industrial dust collector box, so that the dust cover is separated from the ground and a gap is formed between the dust cover and the ground, which affects the dust removal effect. The utility model discloses a ground milling equipment suspension dust cover system.

[0005] The utility model discloses a ground milling equipment suspension dust cover system.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] A ground milling equipment floating dust cover system, including a dust cover and a suspension system, the suspension system includes a handle, a spring positioning pin, a limit stop lever and a gas spring, the handle is vertically fixedly connected with the limit stop lever, the limit stop lever is vertically fixedly connected with the gas spring, and the bottom of the gas spring is connected with the upper edge of the dust cover through a connecting piece; the spring positioning pin is matched with the limit stop lever and is used for limiting the limit stop lever.

[0008] Preferably, a plurality of limiting grooves are arranged on the limit stop lever, and the limiting grooves are matched with the spring positioning pin to realize locking limiting.

[0009] Preferably, the upper and lower end faces of the limiting groove are provided with chamfers.

[0010] Preferably, a downward limiting table is arranged on the upper portion of the limit stop lever.

[0011] Preferably, the spring positioning pin is installed on a step, and the step is fixed on the side of the upper dust collector box; a through hole for the up-down movement of the limit stop lever is arranged on the step.

[0012] Preferably, a protruding table is arranged on the side of the dust collector box, and the step is fixed on the table.

[0013] Preferably, the connecting piece is an L-shaped connecting plate, the side of the connecting plate is fixedly connected with the dust cover through a bolt, and the top of the connecting plate is located between the top of the dust cover and the upper dust collector box.

[0014] Preferably, the handle and the limit stop lever are connected through threads.

[0015] Preferably, the limit stop lever and the gas spring are connected through threads.

[0016] Preferably, the suspension system is two groups, and is arranged on the two sides of the dust cover.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model discloses a handle downward pressing gas spring generates elasticity, and the dust cover is continuously pressed, so that the dust cover always keeps contacting with the ground, effectively improves the sealing effect of the dust cover in the machine construction process, and the equipment matching dust collector can more fully suck the grinding dust particles. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0020] Fig. 2 It is the partial schematic diagram of the utility model floating dust cover system.

[0021] Fig. 3The utility model discloses a system section view of floating dust cover.

[0022] In the drawing: 1. handle, 2. spring positioning pin, 3. limit stop lever, 4. gas spring, 5. step, 6. protruding table top, 7. L-shaped connecting plate, 8. lower limit table, 9. dust cover. DETAILED DESCRIPTION

[0023] In order to further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0024] As Figs. 1 to 3 shown, the utility model discloses a ground milling equipment floating dust cover system, including dust cover 9 and suspension system.

[0025] The suspension system includes handle 1, spring positioning pin 2, limit stop lever 3 and gas spring 4, handle 1 is connected vertically with limit stop lever 3 through thread, limit stop lever 3 is connected vertically with gas spring 4 through thread with thread, and the bottom of gas spring 4 is connected with the upper edge of dust cover 9 through L-shaped connecting plate 7.

[0026] Spring positioning pin 2 is installed on step 5, and step 5 is fixed on protruding table top 6 arranged on the side of the upper dust collector box, and a through hole for the up-down movement of limit stop lever 3 is arranged on step 5.

[0027] Limit stop lever 3 is located in the through hole, and a plurality of limit grooves are arranged on the limit stop lever, Fig. 3 There are four limit grooves 3-1, 3-2, 3-3 and 3-4 in the example, the limit grooves are matched with the spring positioning pin to realize locking and limiting, and chamfers are arranged on the upper and lower end faces of the limit grooves. The embodiment can realize 4-stop adjustment, wherein the 4-stop is the position of limit groove 3-4, the 4-stop state is that the gas spring has no elastic force and the dust cover is not stressed, the 1-stop, 2-stop and 3-stop are respectively the positions of limit grooves 3-1, 3-2 and 3-3, and the gas spring will be subjected to different pressures, and the down pressure of the 1-stop is the largest, and the down pressure of the 3-stop is the smallest.

[0028] A lower limit table 8 is arranged on the upper part of limit groove 3-1 on limit stop lever 3, and the diameter of lower limit table 8 is greater than the diameter of the through hole on step 5, so that the down limit of the limit stop lever is realized.

[0029] The suspension system is provided with two groups, which are arranged on the two sides of the dust cover respectively.

[0030] Specific working principle:

[0031] First, pull out the spring positioning pin 2, limit the stop lever 3 is not affected by the lateral force, under the action of the bottom gas spring 4 limit the stop lever 3 moves up to the upper end, at this time the gas spring 4 has no force, dust cover no pressure; Then the spring positioning pin is inserted into the limit slot 3-4 with the limit stop lever 3 lower end, press down the handle 1, the spring positioning pin 2 under the action of the pressure and limit the stop lever 3 each limit slot chamfer will automatically eject, to the desired appropriate limit slot position stop pressing, at this time the spring positioning pin 2 and the corresponding limit slot and, gas spring 4 is in compression state, dust cover under the action of the gas spring 4 has always been down the elastic force, so that it is always down and press the ground contact, thereby effectively improve the sealing effect of dust cover in the process of machine construction.

[0032] The above is only the preferred embodiment of the present application, not any form of the present application is limited, although the present application has been disclosed as above with the preferred embodiment, however, not to limit the present application, any person skilled in the art, without departing from the scope of the present application technical scheme, when can use the above disclosed technical content to make some more changes or modification of equivalent variation of equivalent embodiment, but whatever is not out of the present application technical scheme content, according to the technical essence of the present application above the embodiment of any brief introduction modification, equivalent change and modification, still belong to the scope of the present application technical scheme.

Claims

1. A ground milling apparatus suspended dust shroud system characterized by: The dust cover and the suspension system are included, the suspension system includes a handle, a spring positioning pin, a limiting stopper and a gas spring, the handle is vertically fixedly connected with the limiting stopper, the limiting stopper is vertically fixedly connected with the gas spring, and the bottom of the gas spring is connected with the upper edge of the dust cover through a connecting piece; the spring positioning pin is matched with the limiting stopper and is used for limiting the limiting stopper.

2. A suspended dust hood system for a ground milling apparatus as claimed in claim 1, characterized in that: A plurality of limiting grooves are arranged on the limiting stopper, and the limiting grooves are matched with the spring positioning pin to realize locking and limiting.

3. A suspended dust hood system for a ground milling apparatus as claimed in claim 2, characterised in that: The upper and lower end faces of the limiting groove are both provided with chamfers.

4. A suspended dust hood system for a ground milling apparatus as claimed in claim 3, characterised in that: A lower pressing limiting table is arranged on the upper part of the limiting stopper in the limiting groove.

5. An airborne dust shield system for a ground milling apparatus as claimed in claim 1, characterized in that: The spring positioning pin is installed on a step, and the step is fixed on the side of the upper dust collector box; the step is provided with a through hole for the limiting stopper to move up and down.

6. A suspended dust hood system for a ground milling apparatus as claimed in claim 5, characterised in that: The side of the dust collector box is provided with a protruding table top, and the step is fixed on the table top.

7. An airborne dust shield system for a ground milling apparatus as claimed in claim 1, characterized in that: The connecting piece is an L-shaped connecting plate, the side of the connecting plate is fixedly connected with the dust cover through a bolt, and the top of the connecting plate is located between the top of the dust cover and the upper dust collector box.

8. An airborne dust shield system for a ground milling apparatus as claimed in claim 1, characterized in that: The handle and the limiting stopper are connected through threads.

9. A suspended dust hood system for a ground milling apparatus as claimed in claim 8, characterised in that: The limiting stopper and the gas spring are connected through threads.

10. A suspended dust hood system for a ground milling machine as claimed in any one of claims 1 to 9, characterized in that: The suspension system is two groups, and is arranged on the two sides of the dust cover.

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