阅读说明：本技术 洒水车人孔盖压紧装置 (Sprinkling truck manhole cover pressing device ) 是由 陈安健 蒋存宝 雷章辉 王彦岗 滕炫龙 罗继综 覃咬金 徐敏 于 2019-09-25 设计创作，主要内容包括：本发明公开了一种洒水车人孔盖压紧装置,涉及专用车辆制造技术领域,包括有固定在罐体上的支座,所述支座上设有转动压紧杆,所述转动压紧杆具有转动杆部和与所述转动杆部呈直角连接的压头安装块,所述压头安装块上装有用于压紧人孔盖的压紧头；所述转动杆部一端通过第一销轴与所述支座铰接,另一端连接有压杆,所述压杆具有与所述转动杆部铰接的拉杆部和与所述拉杆部呈角度连接的手柄部,所述拉杆部与所述手柄部之间的夹角为钝角,在所述手柄部与所述拉杆部的连接处铰接有连杆,所述连杆通过第二销轴与所述支座铰接。与现有技术相比,本发明结构简单,维修人员操作方便,降低整车成本,减轻后期维修保养时维修人员的劳动强度。(The invention discloses a kind of sprinkling truck manhole cover pressing devices, it is related to special-purpose vehicle manufacturing technology field, it include the support being fixed on tank body, the support is equipped with rotation compressor arm, the rotation compressor arm has the pressure head mounting blocks for rotating bar portion and at right angles connecting with the rotation bar portion, and the hold-down head for compressing manhole cover is housed on the pressure head mounting blocks；The rotation one end of the rod is hinged by the first pin shaft and the support, the other end is connected with compression bar, handle portion of the compression bar with the rod section hinged with the rotation bar portion and with the angled connection of the rod section, angle between the rod section and the handle portion is obtuse angle, it is hinged with connecting rod in the junction of the handle portion and the rod section, the connecting rod is hinged by the second pin shaft and the support.Compared with prior art, the configuration of the present invention is simple, maintenance personal is easy to operate, reduces integral vehicle cost, the labor intensity of maintenance personal when mitigating later period maintenance maintenance.)

1. a kind of sprinkling truck manhole cover pressing device, it is characterised in that: include the support (8) being fixed on tank body, the branch Seat (8) be equipped with rotation compressor arm (4), the rotation compressor arm (4) have rotate bar portion (4-1) and with the rotation bar portion The pressure head mounting blocks (4-2) that (4-1) is at right angles connected, equipped with for compressing manhole cover (1) on the pressure head mounting blocks (4-2) Hold-down head (3)；Hingedly by the first pin shaft (9) and the support (8), the other end is connected with for rotation bar portion one end (4-1) Compression bar (6), the compression bar (6) have with the hinged rod section (6-1) of rotation bar portion (4-1) and with the rod section (6- 1) handle portion (6-2) of angled connection, the angle between the rod section (6-1) and the handle portion (6-2) are obtuse angle, In The junction of the handle portion (6-2) and the rod section (6-1) are hinged with connecting rod (5), and the connecting rod (5) passes through the second pin shaft (7) hinged with the support (8).

2. sprinkling truck manhole cover pressing device according to claim 1, it is characterised in that: the hold-down head (3) has briquetting Adjusting rod (3-2) above (3-1) and the connection briquetting (3-1), the adjusting rod (3-2) are pacified by screw thread and the pressure head Fill block (4-2) connection.

3. manhole cover pressing device in sprinkling truck according to claim 1 or claim 2, it is characterised in that: the support (8) has seat board The upper end of (8-1), the seat board (8-1) are equipped with arc groove, and the two sides close to the arc groove are respectively equipped with the first pin hole (8-2) and the second pin hole (8-3), the center line of first pin hole (8-2) are higher than the center line of second pin hole (8-3).

4. manhole cover pressing device in sprinkling truck according to claim 1 or claim 2, it is characterised in that: rotation compressor arm (4) tool There is two be oppositely arranged the rotation bar portion (4-1), two rotation bar portions (4-1) are connected to the pressure head mounting blocks The side of (4-2), the compression bar (6) are located between two rotation bar portions (4-1).

5. sprinkling truck manhole cover pressing device according to claim 3, it is characterised in that: the rotation compressor arm (4) has Two be oppositely arranged the rotation bar portion (4-1), two rotation bar portions (4-1) are connected to the pressure head mounting blocks (4- 2) side, the compression bar (6) are located between two rotation bar portions (4-1).

6. manhole cover pressing device in sprinkling truck according to claim 1 or claim 2, it is characterised in that: the quantity of the connecting rod (5) is Two pieces, connecting rod (5) described in two pieces are symmetrically articulated with the two sides of the compression bar (6).

7. sprinkling truck manhole cover pressing device according to claim 3, it is characterised in that: the quantity of the connecting rod (5) is two Part, connecting rod (5) described in two pieces are symmetrically articulated with the two sides of the compression bar (6).

8. sprinkling truck manhole cover pressing device according to claim 4, it is characterised in that: the quantity of the connecting rod (5) is two Part, connecting rod (5) described in two pieces are symmetrically articulated with the two sides of the compression bar (6).

9. sprinkling truck manhole cover pressing device according to claim 5, it is characterised in that: the quantity of the connecting rod (5) is two Part, connecting rod (5) described in two pieces are symmetrically articulated with the two sides of the compression bar (6).

Technical field

The present invention relates to special-purpose vehicle manufacturing technology field, especially a kind of pressing device for sprinkling truck manhole cover.

Background technique

Sprinkling truck is mainly used for urban road cleaning and gardens watering, the tank body of water storage is equipped on vehicle, in tank body Top is equipped with need to by pressing device by manhole cover fastening to close to tank body with the matched manhole cover of manhole collar When repairing and clean maintenance to tank body, maintenance personal can open manhole cover by operation pressing device and enter in tank body Operation.Since structure is complicated for manhole cover pressing device in sprinkling truck used at present, maintenance personal is inconvenient for operation, cause vehicle at This increase, the large labor intensity of maintenance personal when later period maintenance is maintained.

Summary of the invention

The problem to be solved by the invention is to provide a kind of sprinkling truck manhole cover pressing devices, it can solve existing watering Structure is complicated for vehicle manhole cover pressing device, and maintenance personal is inconvenient for operation, and integral vehicle cost is caused to increase, and later period maintenance is tieed up when maintaining The problem of repairing the large labor intensity of personnel.

To solve the above-mentioned problems, the technical solution adopted by the present invention is that: this sprinkling truck manhole cover pressing device, including Have a support being fixed on tank body, the support is equipped with rotation compressor arm, the rotation compressor arm have rotate bar portion and with The pressure head mounting blocks that at right angles connect of rotation bar portion, equipped with the compression for compressing manhole cover on the pressure head mounting blocks Head；The rotation one end of the rod is hinged by the first pin shaft and the support, and the other end is connected with compression bar, the compression bar with The hinged rod section of the rotation bar portion and the handle portion with the angled connection of the rod section, the rod section and the handle Angle between portion is obtuse angle, is hinged with connecting rod in the junction of the handle portion and the rod section, and the connecting rod passes through the Two pin shafts and the support are hinged.

In above-mentioned sprinkling truck manhole cover pressing device technical solution, more specific technical solution may also is that the compression Head has briquetting and connects the adjusting rod above the briquetting, and the adjusting rod is connect by screw thread with the pressure head mounting blocks.

Further, the support has seat board, and the upper end of the seat board is equipped with arc groove, close to the arc groove Two sides be respectively equipped with the first pin hole and the second pin hole, the center line of first pin hole is higher than the center of second pin hole Line.

Further, the rotation compressor arm has two rotation bar portions being oppositely arranged, two rotating bars Portion is connected to the side of the pressure head mounting blocks, and the compression bar is located between two rotation bar portions.

Further, the quantity of the connecting rod is two pieces, and connecting rod described in two pieces is symmetrically articulated with the two sides of the compression bar.

By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages:

1, the present invention pulls compression bar upward when needing to open manhole cover, and rotation compressor arm is driven to turn clockwise around the first pin shaft Dynamic, hold-down head is rotated upwardly into above support, i.e., openable manhole cover.When needing to compress manhole cover, compression bar is pushed, band turn Dynamic compressor arm is rotated counterclockwise around the first pin shaft, and hold-down head is pivotally lowered into above manhole cover and compresses manhole cover.The watering Vehicle manhole cover pressing device structure is simple, and maintenance personal is easy to operate, reduces integral vehicle cost, repairs when mitigating later period maintenance maintenance The labor intensity of personnel.

2, hold-down head has briquetting and connects the adjusting rod above briquetting, and adjusting rod is connected by screw thread and pressure head mounting blocks It connects；The position that briquetting can be adjusted by adjusting rod guarantees to compress manhole cover.

3, support has seat board, and the upper end of seat board is equipped with arc groove, and the two sides close to arc groove are respectively equipped with first Pin hole and the second pin hole, the center line of the first pin hole are higher than the center line of the second pin hole；The seat structure is simple, easy to process, Manufacturing cost is low.

4, rotation compressor arm has two rotation bar portions being oppositely arranged, and two rotation bar portions are connected to pressure head mounting blocks Side, compression bar are located between two rotation bar portions；Stress equalization when operating compression bar, sprinkling truck manhole cover pressing device work are flat Surely.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention.

Fig. 2 is the partial enlarged view in Fig. 1 at A.

Fig. 3 is the main view of the embodiment of the present invention.

Fig. 4 is the structural schematic diagram of hold-down head in the embodiment of the present invention.

Fig. 5 is the structural schematic diagram that compressor arm is moved in transfer of the embodiment of the present invention.

Fig. 6 is the top view that compressor arm is moved in transfer of the embodiment of the present invention.

Fig. 7 is the structural schematic diagram of connecting rod in the embodiment of the present invention.

Fig. 8 is the structural schematic diagram of compression bar in the embodiment of the present invention.

Fig. 9 is the structural schematic diagram of support in the embodiment of the present invention.

Specific embodiment

The present invention will be further described below with reference to the accompanying drawings:

A kind of sprinkling truck manhole cover pressing device as shown in Figure 1 and Figure 2, includes the support 8 being fixed on tank body, and support 8 leans on The nearly manhole cover 1 mounted in 2 top of manhole collar, be provided with rotation compressor arm 4 on support 8, and rotation compressor arm 4, which has, to be oppositely arranged Two rotation bar portions 4-1, two rotation bar portion 4-1 are connected to the side of pressure head mounting blocks 4-2, pressure head mounting blocks 4-2 and rotation Bar portion 4-1 is at right angles connected, as shown in Figure 5, Figure 6.Equipped with the hold-down head 3 for compressing manhole cover 1 on pressure head mounting blocks 4-2； Hold-down head 3 has briquetting 3-1 and connects the adjusting rod 3-2 above briquetting 3-1, as shown in Figure 4；Adjusting rod 3-2 by screw thread with The 4-2 connection of pressure head mounting blocks, the top of pressure head mounting blocks 4-2 is equipped with the stop nut 4-3 for locking hold-down head 3.Rotation pressure Rotation one end bar portion 4-1 of tight bar 4 is hinged by the first pin shaft 9 and support 8, and the other end is connected with compression bar 6, and compression bar 6 is located at two Between a rotation bar portion 4-1.Compression bar 6 have with the hinged rod section 6-1 of rotation bar portion 4-1 and with the angled company of rod section 6-1 The handle portion 6-2 connect, the angle between rod section 6-1 and handle portion 6-2 are obtuse angle, as shown in Figure 8.In handle portion 6-2 and draw The junction of bar portion 6-1 is hinged with two pieces connecting rod 5, and two pieces connecting rod 5 is symmetrically disposed on the two sides of compression bar 6 and by the second pin shaft 7 It is hinged with support 8, as shown in Figure 7.Support 8 has seat board 8-1, and the upper end of seat board 8-1 is equipped with arc groove, close to arc groove Two sides have the first pin hole 8-2 and the second pin hole 8-3, the first pin hole 8-2 center line be higher than the second pin hole 8-3 in Heart line, as shown in Figure 9.

When needing to open manhole cover 1, compression bar 6 is pulled upwards, rotation compressor arm 4 is driven to rotate clockwise around the first pin shaft 9, Hold-down head 3 is rotated upwardly into 8 top of support, i.e., openable manhole cover 1.When needing to compress manhole cover 1, compression bar 6 is pushed, is driven Rotation compressor arm 4 is rotated counterclockwise around the first pin shaft 9, and hold-down head 3 is pivotally lowered into 1 top of manhole cover and compresses manhole cover 1, One end rotation bar portion 4-1 hinged with support 8 is located below at this time, as shown in Figure 3.The sprinkling truck manhole cover pressing device structure Simply, maintenance personal is easy to operate, reduces integral vehicle cost, the labor intensity of maintenance personal when mitigating later period maintenance maintenance.