阅读说明：本技术 一种应急救援扩张设备 (Emergency rescue expansion equipment ) 是由 文强 于 2021-07-26 设计创作，主要内容包括：本发明公开了一种应急救援扩张设备,包括液压装置,其特征在于,所述液压装置右上角处固定安装摇把装置,且摇把装置中心位置通过摇把固定轴承固定连接,且摇把装置末端与传动轴固定连接,所述摇把装置下端与机械传动杆套接,所述机械传动杆一端与摇把装置套接另一端与松紧螺杆套接,所述松紧螺杆上部与螺杆固定轴承固定连接,且螺杆固定轴承左右两端固定连接有螺杆滑道轮,且机械传动杆内部呈空心结构中段设有传动轴固定轴承,所述传动轴固定轴承中心与传动轴固定连接,所述传动轴一端与摇把传动齿轮啮合另一端与松紧螺杆啮合,所述,机械传动杆左顶端设有松紧螺母滑道。本发明有效防止在应急救援作业当中挤压物或需撑开物体出现回弹造成二次伤害。(The invention discloses an emergency rescue expansion device, which comprises a hydraulic device and is characterized in that a crank device is fixedly arranged at the upper right corner of the hydraulic device, the central position of the crank device is fixedly connected through a crank fixing bearing, the tail end of the crank device is fixedly connected with the transmission shaft, the lower end of the crank device is sleeved with a mechanical transmission rod, one end of the mechanical transmission rod is sleeved with the crank device, the other end of the mechanical transmission rod is sleeved with an elastic screw rod, the upper part of the elastic screw rod is fixedly connected with a screw rod fixing bearing, the left end and the right end of the screw rod fixing bearing are fixedly connected with screw rod slideway wheels, the middle section of the hollow structure inside the mechanical transmission rod is provided with a transmission shaft fixing bearing, the center of the transmission shaft fixing bearing is fixedly connected with the transmission shaft, one end of the transmission shaft is meshed with the crank transmission gear, the other end of the transmission shaft is meshed with the loosening and tightening screw, and a loosening and tightening nut slide way is arranged at the left top end of the mechanical transmission rod. The invention effectively prevents secondary damage caused by rebounding of an extruded object or an object needing to be propped open in emergency rescue operation.)

1. The emergency rescue expansion equipment comprises a hydraulic device (3) and is characterized in that a crank device (2) is fixedly installed at the upper right corner of the hydraulic device (3), the crank device (2) is fixedly connected with the center through a crank fixing bearing (201), the tail end of the crank device (2) is fixedly connected with a transmission shaft (101), the lower end of the crank device (2) is sleeved with a mechanical transmission rod (1), one end of the mechanical transmission rod (1) is sleeved with the crank device (2) while the other end is sleeved with an elastic screw (4), the upper part of the elastic screw (4) is fixedly connected with a screw fixing bearing (401), screw slideway wheels (402) are fixedly connected with the left end and the right end of the screw fixing bearing (401), a transmission shaft fixing bearing (A) is arranged in the middle section of the hollow structure in the mechanical transmission rod (1), the center of the transmission shaft fixing bearing (A) is fixedly connected with the transmission shaft (101), the utility model discloses a mechanical transmission pole, including transmission shaft (101), mechanical transmission pole (1), hydraulic means (3), tong arm (6), bracing piece (501) center and bracing piece fixation nut (502) are connected axially, transmission shaft (101) one end and crank drive gear (202) meshing other end and elasticity screw rod (4), mechanical transmission pole (1) left side top is equipped with elasticity nut slide (B), hydraulic means (3) open end and tong arm (6) axiality are connected, and tong arm (6) top cup joints with support anti-skidding cover (5), it is a pair of about supporting anti-skidding cover (5), and the center is through expanding bracing piece (501) fixed connection, bracing piece (501) center and bracing piece fixation nut (502) axiality are connected.

2. An emergency rescue extension device according to claim 1, characterized in that the crank device (2) is fixedly mounted on both sides of the hydraulic device (3).

3. The emergency rescue expanding device as claimed in claim 1, wherein the supporting anti-skid sleeve (5) is centrally provided with an expanding supporting rod (501), and the supporting anti-skid sleeve (5) is sleeved with the clamp arm (6).

4. The emergency rescue expanding device according to claim 1, wherein the mechanical transmission rod (1) is hollow inside, and a loose-nut slideway (B) is arranged at the tail section of the central section fixedly connected with the transmission shaft fixed bearing.

5. An emergency rescue expansion device according to claim 4, wherein the support rod fixing nut (502) is provided with a concave thread groove at the center to be engaged with the tightening screw rod (4).

6. An emergency rescue expanding apparatus according to claim 1, wherein the crank device (2) is fixedly connected at the center by a crank fixing bearing and provided with a transmission shaft (101) at the tail.

7. The emergency rescue expanding device as claimed in claim 5, wherein the transmission shaft is fixed at the center of the bearing (A) and is connected with the transmission shaft (101), and both ends of the transmission shaft (101) are provided with clamping teeth, one end of each clamping tooth is meshed with the crank transmission gear (202), and the other end of each clamping tooth is meshed with the elastic nut.

Technical Field

The invention relates to the technical field of emergency rescue, in particular to an emergency rescue expansion device.

Background

Emergency rescue generally refers to the taking of preventive, preparatory, responsive and restorative activities and plans for sudden, damaging emergencies. According to different types of emergency events, the emergency rescue method is divided into the emergency rescue in the fields of sanitary emergency, traffic emergency, fire emergency, earthquake emergency, factory and mine emergency, family emergency and the like.

Through the retrieval, chinese patent application number is CN 207168869U's patent, discloses an expander, including expansion arm subassembly, handle, piston, oil cylinder subassembly, LED lamp, two-way hydraulic lock subassembly, electric quantity pilot lamp, button switch, manual valve, oil pocket, motor reduction gear, motor, casing, braces, battery, its characterized in that: the expansion arm component is arranged at the front end of the piston through a connecting rod, the rear end of the oil cylinder component is a pump-valve combination body for providing power, the oil pump is arranged at the rear end of the oil cylinder component, and a battery is arranged in the rear end of the motor. The utility model has the advantages that: the expansion agent has the advantages of high safety, high expansion capacity and efficiency, long service life and the like; the switch lighting is designed separately, so that the problem that no lighting is available for night rescue is solved; the oil bag provides enough hydraulic oil for the hydraulic system to play a role in supplying and recovering the hydraulic oil. The tent in the above patent has the following disadvantages: 1. the electric expansion tension degree is small; 2. the region after expansion has the hidden danger of springback.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an emergency rescue expansion device.

In order to achieve the purpose, the invention adopts the following technical scheme:

an emergency rescue expansion device comprises a hydraulic device and is characterized in that a crank device is fixedly installed at the upper right corner of the hydraulic device, the central position of the crank device is fixedly connected with a crank fixing bearing, the tail end of the crank device is fixedly connected with a transmission shaft, the lower end of the crank device is sleeved with a mechanical transmission rod, one end of the mechanical transmission rod is sleeved with the crank device, the other end of the mechanical transmission rod is sleeved with an elastic screw rod, the upper part of the elastic screw rod is fixedly connected with the screw rod fixing bearing, the left end and the right end of the screw rod fixing bearing are fixedly connected with screw rod slideway wheels, the middle section of the interior of the mechanical transmission rod in a hollow structure is provided with a transmission shaft fixing bearing, the center of the transmission shaft fixing bearing is fixedly connected with the transmission shaft, one end of the transmission shaft is meshed with a crank transmission gear, the other end of the transmission shaft is meshed with the elastic screw rod, the left top end of the mechanical transmission rod is provided with an elastic nut slideway, the hydraulic device is characterized in that the opening end of the hydraulic device is axially connected with the clamp arm, the top end of the clamp arm is sleeved with the support anti-skidding sleeve, the support anti-skidding sleeve is a left pair of the support anti-skidding sleeve and a right pair of the support anti-skidding sleeve, the center of the support anti-skidding sleeve is fixedly connected with the support rod through the expanding support, and the center of the support rod is axially connected with the support rod fixing nut.

Furthermore, crank devices are fixedly arranged on the front surface and the back surface of the hydraulic device.

Furthermore, the center of the supporting anti-skid sleeve is provided with an expanding supporting rod, and the supporting anti-skid sleeve is sleeved with the clamp arm.

Furthermore, the mechanical transmission rod is hollow, and the tail section of the central section of the mechanical transmission rod is fixedly connected with the transmission shaft fixing bearing and is provided with a loose nut slide way.

Furthermore, the center of the support rod fixing nut is provided with a concave thread groove which can be meshed with the tightening screw rod.

Furthermore, the center of the crank device is fixedly connected by a crank fixing bearing, and the tail part of the crank device is provided with a transmission shaft.

Furthermore, the center of the transmission shaft fixing bearing and the transmission shaft are fixed, and two ends of the transmission shaft are respectively provided with a latch, one end of the latch is meshed with the crank transmission gear, and the other end of the latch is meshed with the elastic nut.

The invention has the beneficial effects that:

1. the expanded area is fixedly supported by the expanding support rod inside the support anti-skid sleeve, the expanding device can be taken out to operate the next area, and safety measures are also carried out on the expanded area to prevent the expanded area from rebounding to cause unsafe factors.

Drawings

Fig. 1 is a schematic structural view of an emergency rescue expansion device according to the present invention;

fig. 2 is a sectional view of a supporting anti-slip sleeve of an emergency rescue expanding device provided by the invention;

fig. 3 is a structural sectional view of a crank device and a mechanical transmission rod of the emergency rescue expansion device provided by the invention;

fig. 4 is an enlarged view of a structure at a position a of the emergency rescue expanding device provided by the invention;

fig. 5 is an enlarged view of a structure at a position B of the emergency rescue expanding device provided by the invention;

in FIGS. 1-5: 1. the device comprises a mechanical transmission rod 101, a transmission shaft 2, a crank device 201, a crank fixing bearing 202, a crank transmission gear 3, a hydraulic device 4, a tightening screw 401, a screw fixing bearing 402, a screw slideway wheel 5, a supporting anti-skidding sleeve 501, a expanding supporting rod 502, a supporting rod fixing nut 6, a clamp arm A, a transmission shaft fixing bearing B and a tightening nut slideway.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an emergency rescue expanding device comprises a mechanical transmission rod 1, a transmission shaft 101, a crank device 2, a crank fixing bearing 201, a crank transmission gear 202, a hydraulic device 3, an elastic screw 4, a screw fixing bearing 401, a screw slideway wheel 402, a supporting anti-skid sleeve 5, an expanding supporting rod 501, a supporting rod fixing nut 502, a clamp arm 6, a transmission shaft fixing bearing a and an elastic nut slideway B, wherein the crank device 2 is fixedly installed at the upper right corner of the hydraulic device 3, the central position of the crank device 2 is fixedly connected with the crank fixing bearing 201, the tail end of the crank device 2 is fixedly connected with the transmission shaft 101, the lower end of the crank device 2 is sleeved with the mechanical transmission rod 1, one end of the mechanical transmission rod 1 is sleeved with the crank device 2, the other end is sleeved with the elastic screw 4, the upper part of the elastic screw 4 is fixedly connected with the screw fixing bearing 401, and the left and right ends of the screw fixing bearing 401 are fixedly connected with the screw slideway wheel 402, the middle section of the interior of the mechanical transmission rod 1 is provided with a transmission shaft fixing bearing A in a hollow structure, the center of the transmission shaft fixing bearing A is fixedly connected with the transmission shaft 101, one end of the transmission shaft 101 is meshed with the crank transmission gear 202, the other end of the transmission shaft is meshed with the elastic screw rod 4, the left top end of the mechanical transmission rod 1 is provided with an elastic nut slideway B, the opening end of the hydraulic device 3 is axially connected with the clamp arm 6, the top end of the clamp arm 6 is sleeved with a support anti-skid sleeve 5, the support anti-skid sleeves 5 are in a left-right pair, the center of the support anti-skid sleeves 5 is fixedly connected with a support rod 501, and the center of the support rod 501 is axially connected with a support rod fixing nut 502.

Wherein, hydraulic means 3 just two sides all fixed mounting have crank device 2, in operation convenient operation more.

Wherein, support anti-skidding cover 5 center and be equipped with and expand and prop bracing piece 501, and support anti-skidding cover 5 and tong arm 6 and cup joint, support anti-skidding cover 5 and take the mode of cup jointing convenient and fast implementation rescue more.

Wherein, the inside of mechanical transmission pole 1 is hollow, and the central section fixed connection transmission shaft fixing bearing tail section has seted up elasticity nut slide B.

Wherein, the support rod fixing nut 502 center is equipped with concave thread groove and can with screw rod slide wheel meshing, can take in elasticity screw rod 4 inside mechanical transmission pole 1 in order to prevent damaging when not using.

The center of the crank device 2 is fixedly connected by a crank fixing bearing, and the tail part of the crank device is provided with the transmission shaft 101, so that the crank device 2 integrally drives the mechanical transmission rod 1 and the tightening screw rod 4 to realize unlocking and closing of the expanding support 501.

The center of the transmission shaft fixing bearing A is connected with the transmission shaft 101, and two ends of the transmission shaft 101 are respectively provided with a latch, one end of the latch is meshed with the crank transmission gear 202, and the other end of the latch is meshed with the elastic nut, so that the crank device 2 integrally drives the mechanical transmission rod 1 and the elastic screw rod 4 to realize unlocking and closing of the expanding support 501.

When in use, the supporting anti-skid sleeve 5 is sleeved on the top end of the clamp arm 6, the top end of the clamp arm 6 is extended into the part needing expanding, an external hydraulic pump is switched on to drive the clamp arm 6 to expand through hydraulic pressure, when the size of the support is expanded to a required size, the elastic screw rod 4 in the mechanical transmission rod 1 slides out through the screw rod slideway wheel 402 to enable the elastic screw rod 4 to be meshed with the transmission shaft 101, then the mechanical transmission rod 1 is shifted to the support rod fixing nut 502 to enable the elastic screw rod 4 to be meshed with the support rod fixing nut 502, at the moment, the crank device 2 is shaken to enable the crank transmission gear 202 to rotate to drive the transmission shaft 101 to rotate to drive the support rod fixing nut 502 to rotate to enable the support rod fixing nut 502 to be locked or unlocked, the support anti-skid sleeve 5 can be disconnected with the clamp arm 6 after the support rod fixing nut 502 is confirmed to be locked, and the other support anti-skid sleeve 5 is sleeved at the top end of the clamp arm 6 to perform expansion operation of the next area.