CN211799638U - A dust-proof device for a construction site - Google Patents

Abstract

The utility model relates to the technical field of building construction, in particular to a dust-proof device for construction sites. The technical solution of the utility model includes: a device body and a caster arranged at the lower end of the device body; the lower end surface of the device body is rectangular; The lower end surface of the main body is provided with a plurality of sets of supporting mechanisms at intervals along the length direction of the device body, and the supporting mechanism includes two supporting components and a driving component; the two supporting components are respectively arranged on both sides of the lower end surface of the device body along the width direction of the device body, The support assembly includes a fixed column and a lifting column. The fixed column is arranged on the lower end surface of the device body along the vertical direction. The lifting column is slidingly connected to the fixed column along the vertical direction, and the lower end surface of the lifting column is used to abut against the ground, so that the casters It is separated from the ground; the driving component is arranged between the two supporting components, and the driving component is used to drive the two lifting columns in the two supporting components to move in the vertical direction. The dustproof device can improve the stability of the device body during the working process.

Description

A dust-proof device for a construction site

technical field

The utility model relates to the technical field of building construction, in particular to a dust-proof device for a construction site.

Background technique

During the construction process of the building, dust will inevitably be generated on the construction site. In order to reduce the dust floating from the construction site to the surrounding area, a dust-proof device is usually used.

The Chinese patent with the bulletin number CN208437101U discloses a dustproof device for construction sites, including a support frame, a slideway, a sliding rod, an eccentric wheel, a driving motor, a fog cannon barrel and a device body; wherein, the rotating shaft is arranged in a welded way. The lower end of the support frame, and the rotating shaft is connected with the device body through the bearing; the slideway is connected with the rotating shaft through interference fit, and the sliding rod and the slideway are connected by clearance fit; the sliding rod is arranged on the eccentric wheel through interference fit The left part of the side, and the eccentric wheel is arranged on the upper end of the driving motor through interference; the driving motor is arranged on the left side of the partition plate through bolts, and the partition plate and the device body are arranged in an integrated structure; at the same time, the lower end of the device body is provided with a Universal wheel connected by screws. The drive motor drives the eccentric wheel to rotate, so that the sliding rod revolves around the drive motor, so as to drive the rotating shaft to swing at a certain angle, so that the reciprocating swing of the fog cannon barrel can be realized; and the use of the universal wheel can facilitate the staff to move the device body .

The existing dustproof device mainly includes a water supply pipe and an atomizing nozzle. The water supply pipe is arranged on the upper end face of the partition wall along the wall of the partition wall. It is arranged on the water outlet pipe to form a water mist for condensing dust on the top of the partition wall, thereby reducing the effect of dust floating from the construction site to the surrounding area.

The above-mentioned prior art solutions have the following defects: the dust-proof device usually needs to be fixed and placed in a specific position in the construction site to work during the actual use process, and the device body will shake during the process of driving the eccentric wheel to rotate by the driving motor. , and the lower part of the device body only relies on the universal wheel as a support, so that the device body may be unstable during use.

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, one of the objectives of the present invention is to provide a dust-proof device for construction sites, which can improve the stability of the device body during operation.

The above technical purpose of the present utility model is achieved through the following technical solutions: a dustproof device for construction sites, comprising a device body and a caster arranged at the lower end of the device body, the lower end surface of the device body is rectangular, and all the The lower end surface of the device body is provided with a plurality of groups of supporting mechanisms at intervals along the length direction of the device body, and the supporting mechanism includes two supporting components and a driving component; the two supporting components are respectively arranged on the device body along the width direction of the device body. On both sides of the lower end surface, the support assembly includes a fixed column and a lifting column, the fixed column is arranged on the lower end surface of the device body along the vertical direction, the lifting column is slidingly connected to the fixed column along the vertical direction, and the The lower end surface of the lifting column is used to abut against the ground, so that the casters are separated from the ground; the driving component is arranged between the two supporting components, and the driving component is used to drive the two lifting columns in the two supporting components along the edge Movement in the vertical direction.

By adopting the above technical solution, after the dust-proof device is moved to a specific position by using casters, the lifting columns in the plurality of supporting components are driven by a plurality of driving components to move vertically downward, so that the lower end surface of the lifting column is in contact with the ground and makes the lifting column move vertically downward. The casters are separated from the ground, thereby improving the stability of the device body during the working process.

Preferably, the inside of the fixed column is provided with a chute along the vertical direction, the lifting column is located in the chute, and the lifting column is slidingly matched with the chute.

By adopting the above technical solution, the sliding cooperation between the lifting column and the chute realizes the sliding connection between the lifting column and the fixed column in the vertical direction; In order to make the moving process of the lifting column more stable.

Preferably, the drive assembly includes a screw rod, a connecting block, a hinge rod and a limiting member, the screw rod is rotatably arranged between two fixed columns, and one end of the screw rod is connected with a holding member; the connecting block has Two, two of the connecting blocks are sleeved on the screw at intervals along the length direction of the screw, and one of the connecting blocks forms a forward thread connection with the screw, and the other connection block forms a reverse thread connection with the screw; so There are two hinge rods, the two ends of one hinge rod are hinged to a connecting block and a lifting column respectively, and the two ends of the other hinge rod are hinged to another connecting block and another lifting column respectively. The limiter is used to limit the connection block, so that the connection block is driven by the screw rod to move along the length direction of the screw rod.

By adopting the above technical solution, using the gripper to rotate the screw so that the two connecting blocks on the screw are close to or away from each other, and using the transmission action of the hinge rod, the two lifting columns can be driven to move in the vertical direction.

Preferably, the limiting member is a sliding rod, the sliding rod is arranged between the two fixing columns along the length direction of the screw rod, and the sliding rod penetrates through the two connecting blocks and is slidably connected with the two connecting blocks .

By adopting the above technical solution, the sliding rod penetrates through the connecting block and is slidably connected with the connecting block, so that the function of limiting the connecting block along the length of the screw rod can be realized, so that the connecting block can be driven to move along the length direction of the screw rod.

Preferably, the lower end of the lifting column is provided with a prism-shaped abutting block, and the lower end surface of the abutting block is larger than the upper end surface.

By adopting the above technical solution, the abutment block can increase the abutment area between the support assembly and the ground, thereby increasing the support stability of the support assembly to the device body.

Preferably, the lower end surface of the abutting block is provided with anti-skid lines.

By adopting the above technical solution, the anti-skid pattern on the lower end surface of the abutting block can increase the coefficient of friction when the abutting block is in contact with the ground, thereby reducing slippage between the abutting block and the ground.

Preferably, the holding member is a rotary handle.

By adopting the above technical solution, the rotating handle is convenient for the staff to hold, so that the process of rotating the screw by the staff is convenient and quick.

Preferably, the side wall of the lifting column is provided with a marking mark along the vertical direction.

By adopting the above technical solution, the marking scale line can mark the moving distance of the lifting column, which is convenient to keep the moving distance of the lifting column in multiple groups of support mechanisms consistent, so as to maintain the stability of the device body.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. After using the caster to move the dustproof device to a specific position, use multiple driving components to drive the lifting column in the multiple support components to move vertically downward, so that the lower end surface of the lifting column is in contact with the ground and the caster is in contact with the ground. disengaged, thereby improving the stability of the device body during the working process;

2. The sliding rod runs through the connecting block and is slidably connected with the connecting block, so as to realize the function of limiting the connecting block along the length of the screw rod, and the structure is simple and practical;

3. The marking scale line can mark the moving distance of the lifting column, which is convenient to keep the moving distance of the lifting column in multiple groups of support mechanisms consistent, so as to maintain the stability of the device body.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

FIG. 2 is an enlarged view of part A in FIG. 1 .

Reference numerals: 1. device body; 1a, box body; 1b, fog cannon; 2, casters; 3, support assembly; 31, fixed column; 31a, chute; 32, lifting column; 4, drive assembly; 41 , screw; 42, connecting block; 43, hinge rod; 44, sliding rod; 5, turning handle; 6, abutting block; 7, marking the scale line.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1, it is a dustproof device for construction sites disclosed by the utility model, including a device body 1, casters 2 and a support mechanism. Specifically, the device body 1 includes a box body 1a and a fog cannon barrel 1b. The box body 1a has a rectangular parallelepiped shape, and the fog cannon barrel 1b is rotatably attached to the upper end surface of the case 1a. The casters 2 are installed at the four corners of the lower end surface of the box body 1a, so that the operator can easily drive the box body 1a to move.

Referring to FIG. 1 , in this embodiment, there are two groups of support mechanisms, and the two groups of support mechanisms are installed on the lower end surface of the box body 1a at intervals along the length direction of the box body 1a. Specifically, the support mechanism includes two support assemblies 3 and 1a. A drive assembly 4; wherein, two support assemblies 3 are respectively installed on both sides of the lower end face of the device body 1 along the width direction of the box body 1a. Specifically, the support assembly 3 includes a fixed column 31 and a lifting column 32. The fixing column 31 is arranged on the lower end surface of the device body 1 along the vertical direction, and the interior of the fixing column 31 is provided with a chute 31a along the vertical direction. Cooperate. At the same time, the lower end surface of the lifting column 32 is welded with a pyramid-shaped abutting block 6, the lower end surface of the abutting block 6 is larger than the upper end surface, and the lower end surface of the abutting block 6 is used to abut the ground; If there is slippage between the contact block 6 and the ground, the lower end surface of the contact block 6 is also provided with anti-skid patterns (not shown in the figure).

1 and 2, the drive assembly 4 is installed between two support assemblies 3 in the same support mechanism, and the drive assembly 4 is used to drive the two lift columns 32 in the two support assemblies 3 to synchronize in the vertical direction Movement; specifically, the drive assembly 4 includes a screw rod 41 , a connecting block 42 , a sliding rod 44 and a hinge rod 43 . The screw 41 is located below the box body 1a, and the screw 41 is rotatably installed between the two fixed columns 31 to facilitate the staff to rotate the screw 41. One end of the screw 41 is also fixedly connected with the handle 5. There are two connecting blocks 42 , two connecting blocks 42 are sleeved on the screw 41 at intervals along the length direction of the screw 41 , and one connecting block 42 forms a positive screw connection with the screw 41 , and the other connecting block 42 is connected with the screw 41 . Forms a reverse threaded connection. The sliding rod 44 is located above the screw rod 41, and the sliding rod 44 is fixedly installed between the two fixing columns 31 along the longitudinal direction of the screw rod 41; And form a sliding connection with the two connecting blocks 42, so as to realize the function of limiting the two connecting blocks 42 along the length of the screw 41, so that the two connecting blocks 42 can be driven by the screw 41 and can mutually interact along the length of the screw 41. near or far away.

1 and 2 , there are also two hinge rods 43 , wherein two ends of one hinge rod 43 are hinged on a connecting block 42 and a lifting column 32 respectively, and two ends of the other hinge rod 43 are respectively hinged on a connecting block 42 and a lifting column 32 It is hinged on another connecting block 42 and another lifting column 32; the connection between the connecting block 42 and the lifting column 32 can be realized through the hinge rod 43, and when the two connecting blocks 42 are driven to approach or move away from each other, the The lifting column 32 is driven to rise or fall in the vertical direction, so as to realize the effect of driving the lifting column 32 to move in the vertical direction. In addition, in order to keep the moving distances of the lifting columns 32 in the multiple groups of support mechanisms consistent, the side walls of the lifting columns 32 are also printed with a plurality of marking lines 7 at intervals along the vertical direction for marking the moving distances of the lifting columns 32 .

The implementation principle of this embodiment is as follows: after using the casters 2 to move the dust-proof device to a specific position, the staff drives the screw rods 41 to rotate through the rotary handles 5 in the two sets of support mechanisms one by one, so that the two connecting blocks 42 follow the direction of the screw rods 41 . The length directions are close to each other, and the joint action of the hinge rod 43 on the connecting block 42 and the lifting column 32 can be used to drive the two lifting columns 32 to move vertically downward; so that the four lifting columns 32 in the two sets of support mechanisms The abutment block 6 on the lower end face abuts against the ground and makes the caster 2 separate from the ground, thereby improving the stability of the device body 1 during operation.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a dust keeper for building site, includes device body (1) and truckle (2) of locating device body (1) lower extreme, its characterized in that: the lower end face of the device body (1) is rectangular, and a plurality of groups of supporting mechanisms are arranged on the lower end face of the device body (1) at intervals along the length direction of the device body (1), and each supporting mechanism comprises two supporting assemblies (3) and a driving assembly (4); the two supporting assemblies (3) are respectively arranged on two sides of the lower end face of the device body (1) along the width direction of the device body (1), each supporting assembly (3) comprises a fixing column (31) and a lifting column (32), each fixing column (31) is arranged on the lower end face of the device body (1) along the vertical direction, each lifting column (32) is connected to each fixing column (31) in a sliding mode along the vertical direction, and the lower end face of each lifting column (32) is used for abutting against the ground so that the caster (2) can be separated from the ground; the driving assembly (4) is arranged between the two supporting assemblies (3), and the driving assembly (4) is used for driving the two lifting columns (32) in the two supporting assemblies (3) to move along the vertical direction.

2. A dust guard for a construction site according to claim 1, characterised in that: the inside of fixed column (31) is equipped with spout (31a) along vertical direction, lift post (32) are located spout (31a), just lift post (32) and spout (31a) sliding fit.

3. A dust-proofing device for use at a construction site according to claim 1 or 2, characterized in that: the driving assembly (4) comprises a screw rod (41), a connecting block (42), a hinge rod (43) and a limiting piece, the screw rod (41) is rotatably arranged between the two fixing columns (31), and one end of the screw rod (41) is connected with a holding piece; the two connecting blocks (42) are sleeved on the screw rods (41) at intervals along the length direction of the screw rods (41), one connecting block (42) is in forward threaded connection with the screw rods (41), and the other connecting block (42) is in reverse threaded connection with the screw rods (41); two hinge rods (43) are provided, two ends of one hinge rod (43) are respectively hinged to one connecting block (42) and one lifting column (32), and two ends of the other hinge rod (43) are respectively hinged to the other connecting block (42) and the other lifting column (32); the limiting piece is used for limiting the connecting block (42) so that the connecting block (42) is driven by the screw rod (41) to move along the length direction of the screw rod (41).

4. A dust guard for a construction site according to claim 3, wherein: the limiting piece is a sliding rod (44), the sliding rod (44) is arranged between the two fixing columns (31) along the length direction of the screw rod (41), and the sliding rod (44) penetrates through the two connecting blocks (42) and is connected with the two connecting blocks (42) in a sliding mode.

5. A dust guard for a construction site according to claim 1, characterised in that: the lower extreme of lift post (32) is equipped with butt piece (6) that are the terrace with edge form, the lower terminal surface of butt piece (6) is greater than the up end.

6. A dust protection device for a construction site according to claim 5, wherein: the lower end face of the abutting block (6) is provided with anti-skid lines.

7. A dust guard for a construction site according to claim 3, wherein: the holding piece is a rotating handle (5).

8. A dust guard for a construction site according to claim 1, characterised in that: the side wall of the lifting column (32) is provided with an identification scale mark (7) along the vertical direction.

Images