Dismounting device special for spring locking oil cylinder of rescue crane car

Abstract

The utility model belongs to the technical field of dismounting tool equipment, and relates to a special dismounting device for a spring locking oil cylinder of a rescue crane car. The device comprises an upper pressing plate and a lower pressing plate, a jacking mechanism is arranged between the upper pressing plate and the lower pressing plate, the upper pressing plate is provided with a connecting piece used for being connected with an oil cylinder installation base, the lower pressing plate is provided with a connector containing hole, and the connector containing hole is used for containing a connector on an oil cylinder. The jacking mechanism is a power source in the dismounting process, the upper pressing plate and the lower pressing plate are squeezed in the opposite directions in the jacking process of the jacking mechanism, and due to the fact that the upper pressing plate is connected with the oil cylinder installation base, the lower pressing plate enables the squeezing oil cylinder to slide out of the oil cylinder installation base. The spring locking oil cylinder dismounting device is simple in overall structure and reasonable in structural design, dismounting can be completed only by starting the jacking mechanism after manual assembly is completed, the oil cylinder is pressed out of the oil cylinder mounting base under driving of the jacking mechanism, the dismounting efficiency of the spring locking oil cylinder is improved, the labor intensity is reduced, the number of manual participation links is small, and safety is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of dismounting tool equipment, and relates to a special dismounting device for a rescue hoist truck spring locking oil cylinder. BACKGROUND

[0002] When the rescue hoist truck spring locking oil cylinder is dismounted, a special dismounting tool is lacked, and the operation often needs to consume a lot of time and manpower. The traditional dismounting method is usually to use a copper hammer to knock, so that the oil cylinder falls off from the oil cylinder mounting seat. This method is not only inefficient, but also consumes a lot of physical strength of the operator. More importantly, the dismounting by using the copper hammer may cause damage to the surface of the oil cylinder, affect the sealing performance and service life of the oil cylinder, and may also cause harm to the operator during the knocking process, thereby increasing the risk of the operation. In addition, the non-standard dismounting method may also cause damage or deformation of the internal parts of the oil cylinder, further increasing the difficulty and cost of the maintenance.

[0003] In summary, in the current rescue hoist truck spring locking oil cylinder dismounting operation process, a special dismounting tool is lacked, and the manual copper hammer knocking dismounting has the problems of low efficiency, poor safety and easy damage to the internal parts of the oil cylinder. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a special dismounting device for a rescue hoist truck spring locking oil cylinder, so as to solve the technical problems of lacking a special dismounting tool, low efficiency, poor safety and easy damage to the internal parts of the oil cylinder in the current rescue hoist truck spring locking oil cylinder dismounting operation process. The utility model has simple overall structure, reasonable structure design, improved dismounting efficiency of the spring locking oil cylinder, reduced labor intensity, less manual participation and good safety.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a special dismounting device for a rescue hoist truck spring locking oil cylinder, which comprises an upper pressing plate and a lower pressing plate, a jacking mechanism is arranged between the upper pressing plate and the lower pressing plate, a connecting piece for connecting the oil cylinder mounting seat is arranged on the upper pressing plate, a joint placing hole is arranged on the lower pressing plate, and the joint placing hole is used for placing the joint on the oil cylinder.

[0007] Further, the upper pressing plate is provided with a jacking mechanism contact groove.

[0008] Further, the upper pressing plate is provided with an eye ring.

[0009] Further, the eye ring is located at the geometric center position of the upper pressing plate.

[0010] Further, two carrying grooves are formed in the upper pressing plate, and the two carrying grooves are symmetrically arranged about the lifting ring.

[0011] Further, the connecting piece is a pull rod, the pull rod is movably connected to the upper pressing plate, and a clamping jaw is arranged on the pull rod and used for being inserted into a preset fixing hole of the oil cylinder mounting seat.

[0012] Further, a connecting hole is formed in the upper pressing plate, the pull rod is inserted into the connecting hole, a connecting bolt is arranged on the pull rod, and a nut of the connecting bolt is located between the connecting bolt and the clamping jaw.

[0013] Further, the connecting hole is a strip hole.

[0014] Further, a jacking mechanism limiting ring is arranged on the lower pressing plate, the jacking mechanism limiting ring and the joint placing hole are respectively located on two sides of the lower pressing plate, and the jacking mechanism is arranged in the jacking mechanism limiting ring.

[0015] Further, the jacking mechanism is a jack.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1, the utility model discloses a spring locking oil cylinder dismounting device, which comprises an upper pressing plate, a lower pressing plate, a jacking mechanism, an oil cylinder mounting seat and an oil cylinder, wherein the upper pressing plate is movably connected to the lower pressing plate, the jacking mechanism is movably connected to the lower pressing plate, the oil cylinder mounting seat is movably connected to the upper pressing plate, and the oil cylinder is movably connected to the oil cylinder mounting seat.

[0018] 2, the upper pressing plate of the utility model is provided with a jacking mechanism contact groove, when in use, the upper end of the jacking mechanism is located in the jacking mechanism contact groove, the lower end of the jacking mechanism is located in the jacking mechanism limiting ring, and the jacking mechanism is prevented from sliding off from between the upper pressing plate and the lower pressing plate during dismounting of the spring locking oil cylinder.

[0019] 3, the upper pressing plate of the utility model is provided with a lifting ring, the lifting ring is located at the geometric center position of the upper pressing plate, and the lifting ring is beneficial to the stability of the carrying and hoisting process of the upper pressing plate.

[0020] 4、The upper pressing plate of the utility model is provided with two carrying grooves, and the two carrying grooves are symmetrically arranged about the lifting ring, so that on-site disassembly operation and carrying of tool parts are facilitated.

[0021] 5、The pull rod of the utility model is simple in structure and practical, and is convenient for production.

[0022] 6、The connecting hole is a strip-shaped hole, the pull rod can slide transversely along the strip-shaped hole after being inserted into the strip-shaped hole, the pull rod is convenient for adjusting the angle to clamp the clamping jaw into the preset fixing hole of the cylinder mounting seat, and the pull rod cannot move radially downward due to the limitation of the connecting bolt. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a bottom view of the upper pressing plate of the utility model;

[0024] Figure 2 is a front view of the upper pressing plate of the utility model;

[0025] Figure 3 is a top view of the upper pressing plate of the utility model;

[0026] Figure 4 is a three-dimensional structure view of the upper pressing plate of the utility model;

[0027] Figure 5 is a three-dimensional structure view of the pull rod of the utility model;

[0028] Figure 6 is a front view of the pull rod of the utility model;

[0029] Figure 7 is a side view of the pull rod of the utility model;

[0030] Figure 8 is a three-dimensional structure view of the lower pressing plate of the utility model;

[0031] Figure 9 is a bottom view of the lower pressing plate of the utility model;

[0032] Figure 10 is an A-A sectional view of the utility model; Figure 9

[0033] Figure 11 is an overall structure view of the utility model;

[0034] Figure 12 is a front view of the overall structure of the utility model;

[0035] Figure 13 is a side view of the overall structure of the utility model;

[0036] Figure 14 ​The overall structure plan view of the utility model.

[0037] 1, upper pressing plate, 101, lifting ring, 102, carrying groove, 103, connecting hole, 104, jacking mechanism contact groove, 105, lifting ring mounting hole, 2, pull rod, 201, clamping jaw, 202, connecting bolt, 3, lower pressing plate, 301, joint placing hole, 4, oil cylinder mounting seat, 401, fixing hole, 5, oil cylinder, 6, jacking mechanism. DETAILED DESCRIPTION

[0038] In order to make the personnel in the technical field better understand the utility model scheme, below will combine the drawings in the embodiments of the utility model, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor should belong to the scope of protection of the utility model.

[0039] It should be noted that the terms "first", "second" and the like in the specification of the utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0040] The utility model will be described in further detail below in conjunction with the drawings:

[0041] Referring to Figure 11 The utility model discloses a rescue hoist truck spring locking oil cylinder special dismounting device, including upper pressing plate 1 and lower pressing plate 3, be equipped with jacking mechanism 6 between upper pressing plate 1 and lower pressing plate 3, referring to Figure 12The upper pressing plate 1 is provided with a connecting piece for connecting the oil cylinder mounting seat 4, and the lower pressing plate 3 is provided with a joint placing hole 301 for placing the joint on the oil cylinder 5.

[0042] The utility model discloses simple whole structure, and the structure design is reasonable, and after artificial assembly is completed, only needs to start jacking mechanism 6 to can complete disassembly, under the drive of jacking mechanism 6, can easily extrude the oil cylinder 5 from the oil cylinder mounting seat 4, improve the disassembly efficiency of spring locking oil cylinder, reduce the labor intensity, and the manual participation link is few, and the safety is good.

[0043] Embodiment one:

[0044] Referring to Figure 11 、 Figure 12 、 Figure 13 And Figure 14 The utility model discloses a rescue hoist up heavy car spring locking oil cylinder special dismounting device, including upper pressing plate 1 and lower pressing plate 3, be equipped with jacking mechanism 6 between upper pressing plate 1 and lower pressing plate 3, upper pressing plate 1 is equipped with the connecting piece for connecting oil cylinder mounting seat 4, and lower pressing plate 3 is equipped with joint placing hole 301, referring to Figure 8 、 Figure 9 And Figure 10 Joint placing hole 301 is used for placing the joint on the oil cylinder 5.

[0045] Preferably, referring to Figure 1 The upper pressing plate 1 is provided with a jacking mechanism contact groove 104, and in use, the upper end of the jacking mechanism 6 is located in the jacking mechanism contact groove 104 to prevent the jacking mechanism 6 from falling off between the upper pressing plate 1 and the lower pressing plate 3 during disassembly of the spring locking oil cylinder.

[0046] Preferably, the upper pressing plate 1 is provided with an eye 101 for facilitating the lifting and handling of the upper pressing plate 1, and the on-site operation is facilitated. The upper pressing plate 1 is provided with an eye mounting hole 105, referring to Figure 3 The eye mounting hole 105 is a threaded hole, the eye 101 is provided with a threaded rod, and the threaded rod of the eye 101 is embedded in the eye mounting hole 105.

[0047] Preferably, the lifting ring 101 is located at the geometric center of the upper pressing plate 1, which is beneficial to the stability of the upper pressing plate 1 during the lifting and carrying process.

[0048] Preferably, referring to Figure 1 and Figure 2 , two carrying grooves 102 are formed on the upper pressing plate 1, and the two carrying grooves 102 are symmetrically arranged about the lifting ring 101. The carrying grooves 102 are designed on the upper pressing plate to facilitate the on-site disassembly operation and the carrying of tooling parts, which greatly facilitates the maintenance operation of the on-site personnel.

[0049] Preferably, referring to Figure 5 , Figure 6 and Figure 7 , the connecting piece is a pull rod 2, the pull rod 2 is movably connected to the upper pressing plate 1, and the pull rod 2 is provided with a clamping jaw 201, the clamping jaw 201 is used to be inserted into a preformed fixing hole 401 on the oil cylinder mounting seat 4. The structure of the pull rod 2 combined with the clamping jaw 201 is simple and practical, and is convenient for production.

[0050] Preferably, referring to 1, Figure 3 and Figure 4 , a connecting hole 103 is formed on the upper pressing plate 1, the pull rod 2 is inserted into the connecting hole 103, and the pull rod 2 is provided with a connecting bolt 202. The nut of the connecting bolt 202 is located between the connecting bolt 202 and the clamping jaw 201 on the upper pressing plate 1, and the connecting bolt 202 is combined with the upper edge of the upper pressing plate 1 to limit the pull rod 2.

[0051] Specifically, referring to Figure 5 , Figure 6 and Figure 7 , the pull rod 2 is provided with a threaded rod, and in use, the nut is sleeved on the threaded rod after the threaded rod passes through the connecting hole 103, so as to limit the pull rod 2.

[0052] Preferably, referring to 1, Figure 3 and Figure 4 , the connecting hole 103 is a strip-shaped hole, and after the pull rod 2 is inserted into the strip-shaped connecting hole 103, the pull rod 2 can slide transversely along the strip-shaped hole, which facilitates the adjustment of the angle of the pull rod 2 to clamp the clamping jaw 201 into the preformed fixing hole 401 on the oil cylinder mounting seat 4. Moreover, due to the limitation of the connecting bolt 202, the pull rod 2 cannot move radially downward.

[0053] Preferably, the lower pressing plate 3 is provided with a jacking mechanism limiting ring, the jacking mechanism limiting ring and the joint placing hole 301 are respectively located on both sides of the lower pressing plate 3, and the jacking mechanism 6 is placed in the jacking mechanism limiting ring. In use, the lower end of the jacking mechanism 6 is located in the jacking mechanism limiting ring, which prevents the jacking mechanism 6 from sliding out of the upper pressing plate 1 and the lower pressing plate 3 during the disassembly process of the spring-locked oil cylinder.

[0054] Preferably, the jacking mechanism 6 is a jack.

[0055] Embodiment two:

[0056] Referring to Figures 11 to 14 The present embodiment discloses a special dismounting device for spring locking oil cylinder of a rescue hoist truck, which is matched with a manual hydraulic jack and a hydraulic lifting trolley to complete the dismounting operation of the spring locking oil cylinder.

[0057] Compared with the prior art, the present application has the following advantages:

[0058] The utility model discloses simple and reliable structure, and the processing difficulty of each component is low, and the on-site assembly is convenient, and the manual hydraulic jack and the hydraulic lifting trolley can greatly change the situation of labor and time when operating, and the oil cylinder dismounting time is greatly reduced.

[0059] The utility model discloses a upper pressing plate 1, pull rod 2 and lower pressing plate 3 constitute, and the jacking mechanism 6 adopts the jack, and the upper pressing plate 1 is fixed with pull rod 2 through connecting bolt 202, and when using, first separate pull rod 2, after the claw 201 below pull rod inserts the fixed hole 401 of oil cylinder mounting seat, adjust the distance of upper pressing plate 1 and oil cylinder mounting seat 4 again lock connecting bolt 202, place lower pressing plate 3 to the interface of oil cylinder 5, prevent damaging the interface and provide stable support for the jack, adjust the jacking distance of the jack and determine the installation firm and stable, and slowly start the jack, and the oil cylinder 5 can be lifted from the mounting seat, and the work is finished, and the top connecting bolt 202 is loosened, and the tool can be disassembled.

[0060] The utility model discloses according to the actual operation environment of hoist truck, and the left and right pull rod 2 and upper pressing plate 1 all reserve the activity space, and the adjustment is convenient when on-site dismounting installation operation, and using 10T manual hydraulic jack as power source can satisfy the demand.

[0061] The utility model discloses upper pressing plate 1, pull rod 2 and lower pressing plate 3 all adopt δ40 steel plate as base material and process, guarantee the workpiece strength, and also reduce workpiece processing cost, and on-site verification also meets the use requirement of 10T thrust force.

[0062] The utility model discloses simple operation, and the design is humanized, and the overall weight of the tool is 40KG, and the lifting ring 101 is designed for the convenience of on-site operation, and the carrying groove 102 is designed on the upper pressing plate for the convenience of on-site dismounting operation and the carrying of tool parts, which greatly facilitates the on-site maintenance operation.

[0063] Based on the above structure, the use method of the utility model is as follows:

[0064] Put the lower pressing plate 3 on the oil cylinder 5, and make the joint on the oil cylinder 5 located in the joint placing hole 301;

[0065] Put the jacking mechanism 6 in the jacking mechanism limiting ring of the lower pressing plate 3;

[0066] Insert the threaded rod of the pull rod 2 into and through the connecting hole 103 of the upper pressing plate 1, then, put the nut on the threaded rod, put the upper pressing plate 1 on the jacking mechanism 6, and make the top of the jacking mechanism 6 located in the jacking mechanism contact groove 104;

[0067] Adjust the position of the pull rod 2 in the connecting hole 103, and make the claw 201 embedded in the pre-set fixing hole 401 on the oil cylinder mounting seat 4;

[0068] Start the jacking mechanism 6, and the jacking mechanism 6 jacks up, and the upper pressing plate 1 and the lower pressing plate 3 are pressed in the opposite direction, since the upper pressing plate 1 is connected with the oil cylinder mounting seat 4, the lower pressing plate 3 will press the oil cylinder 5 to make the oil cylinder 5 slide out of the oil cylinder mounting seat 4.

[0069] The above is only to illustrate the technical thought of the utility model, and cannot limit the protection scope of the utility model, and any change made on the basis of the technical scheme according to the technical thought of the utility model falls into the protection scope of the utility model.

Claims

1. A special dismounting device for the spring locking cylinder of a rescue hoist truck, characterized in that, The utility model provides a kind of hydraulic press, including upper pressing plate (1) and lower pressing plate (3), and top-up mechanism (6) is equipped between upper pressing plate (1) and lower pressing plate (3), connecting piece for connecting oil cylinder mounting seat (4) is equipped on upper pressing plate (1), and joint placing hole (301) is equipped on lower pressing plate (3), and joint placing hole (301) is used to place the joint on oil cylinder (5).

2. The special dismounting device for the spring locking cylinder of the rescue hoist truck, according to claim 1, characterized in that, The upper pressing plate (1) is provided with a jacking mechanism contact groove (104).

3. The special dismounting device for spring locking cylinder of rescue hoist truck according to claim 1, characterized in that, The upper pressing plate (1) is provided with a lifting ring (101).

4. The special dismounting device for the spring locking cylinder of the rescue hoist truck, according to claim 3, characterized in that, The lifting ring (101) is located at the geometric center of the upper pressing plate (1).

5. The special dismounting device for the spring locking cylinder of the rescue hoist truck according to claim 3, characterized in that, The upper pressing plate (1) is provided with two carrying grooves (102), and the two carrying grooves (102) are symmetrically arranged about the lifting ring (101).

6. The special dismounting device for spring locked oil cylinder of rescue hoist truck according to claim 1, characterized in that, The connecting piece is a pull rod (2), the pull rod (2) is movably connected to the upper pressing plate (1), the pull rod (2) is provided with a claw (201), and the claw (201) is used to be threaded into a pre-set fixing hole (401) on the oil cylinder mounting seat (4).

7. The special dismounting device for the spring locking cylinder of a rescue hoist truck according to claim 6, characterized in that, The upper pressing plate (1) is provided with a connecting hole (103), the pull rod (2) is threaded into the connecting hole (103), the pull rod (2) is provided with a connecting bolt (202), and the nut of the connecting bolt (202) is pressed between the connecting bolt (202) and the claw (201).

8. The special dismounting device for the spring locking cylinder of a rescue hoist truck according to claim 7, characterized in that, The connecting hole (103) is a strip hole.

9. The special dismounting device for spring locked oil cylinder of rescue hoist truck according to claim 1, characterized in that, The lower pressing plate (3) is provided with a jacking mechanism limiting ring, the jacking mechanism limiting ring and the joint placing hole (301) are respectively located on both sides of the lower pressing plate (3), and the jacking mechanism (6) is placed in the jacking mechanism limiting ring.

10. The special dismounting device for spring locked oil cylinder of rescue hoist truck according to claim 1, characterized in that, The jacking mechanism (6) is a jack.

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