CN215115639U

CN215115639U - High-speed railway CRTSIII type track board embedded sleeve pulling resistance detection device

Info

Publication number: CN215115639U
Application number: CN202121557584.4U
Authority: CN
Inventors: 王培�; 王立明; 崔雷; 赵贵珠; 宋天淼; 崔好林; 全萍; 生成元; 崔婷婷; 刘宝坤; 马宇航; 冯明辉; 李桐
Original assignee: China Railway No 9 Group Co Ltd
Current assignee: China Railway No 9 Group Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-10
Anticipated expiration: 2031-07-09

Abstract

The utility model belongs to buried sleeve quality testing field in advance relates to a high-speed railway CRTSIII type track board buried sleeve resistance to plucking detection device in advance, including the extension bar, the extension bar from last to running through hydraulic jack's cylinder down in proper order behind through-hole and the auxiliary fixtures with buried sleeve threaded connection in advance. The pulling resistance detection operation of the embedded sleeve is realized by a single person, and the working efficiency is improved.

Description

High-speed railway CRTSIII type track board embedded sleeve pulling resistance detection device

Technical Field

The utility model relates to a detection device, especially a high-speed railway CRTSIII type track board buried sleeve resistance to plucking detection device belong to track board buried sleeve quality detection area in advance.

Background

At present, in railway construction engineering, the anti-pulling force of the track slab embedded sleeve needs to be detected, and whether the construction requirement is met or not is observed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a high-speed railway CRTSIII type track board buried sleeve resistance to plucking power detection device, single realization buried sleeve resistance to plucking power detection operation improves work efficiency.

For solving the above problems, the specific technical scheme of the utility model is as follows: high-speed railway CRTSIII type track board embedded sleeve anti-pulling force detection device, including extension bar, extension bar from last to running through behind the through-hole of hydraulic jack's the cylinder and the auxiliary fixtures in proper order down with embedded sleeve threaded connection.

The extension bar comprises a connecting end, a guide end and a locking end, the connecting end is connected with the embedded sleeve, and the guide end is located in the cylinder. The leading end is located inside the cylinder of the hydraulic jack and guides the hydraulic jack to be coaxial with the embedded sleeve.

The auxiliary tool comprises a rubber gasket and a supporting cushion block, the rubber gasket is placed at the lowest end, and the supporting cushion block is placed on the rubber gasket. The supporting cushion block is used for converting the thrust of the hydraulic jack to the supporting cushion block into the tension of the embedded sleeve; the purpose of rubber gasket is that the supporting shoe of preventing the steel construction causes injury such as colliding with to the track board, plays the cushioning effect.

The rubber gasket on be equipped with the rectangular hole, the position and the buried sleeve position in embedded hole correspond, the lip block adopts steel material, is equipped with the circular port on the lip block, the position of circular port corresponds with the position in rectangular hole. The extension bar sequentially penetrates through the cylinder of the hydraulic jack, the circular hole of the supporting cushion block and the rectangular hole of the rubber gasket, so that the extension bar, the cylinder of the hydraulic jack, the circular hole of the supporting cushion block and the rectangular hole of the rubber gasket are coaxial with the embedded sleeve.

The locking end sleeve is provided with a locking nut, an expansion sleeve and a round cushion block, the expansion sleeve is arranged below the locking nut, and the round cushion block is arranged below the expansion sleeve. The moving of the locking nut enables the expansion sleeve to extrude the round cushion block, so that the locking effect is achieved.

The diameter of the end, in contact with the locking nut, of the expansion sleeve is larger than that of the end, in contact with the circular cushion block, of the expansion sleeve.

The utility model discloses the beneficial effect who brings does: the link of extension bar and the pre-buried sleeve pipe threaded connection of embedding on the track board, the manual work carries out pressure loading to target value to hydraulic jack, single completion operation process, and simple structure is convenient for use at the construction occasion.

Drawings

Fig. 1 is a schematic structural view of an anti-pulling device for an embedded casing.

Fig. 2 is a schematic structural view of the extension bar.

Fig. 3 is a schematic view of a supporting pad structure.

Fig. 4 is a schematic view of a rubber gasket structure.

Fig. 5 is a schematic view of the connection of the hydraulic jack and the operating handle.

The device comprises a track plate 1, a hydraulic jack 2, a cylinder 21, an extension bar 3, a connecting end 31, a guide end 32, a locking end 33, a locking nut 331, an expansion sleeve 332, a circular cushion block 333, a rubber gasket 4, a rectangular hole 41, a supporting cushion block 5 and a circular hole 51.

Detailed Description

As shown in fig. 1 to 5, the high-speed railway CRTSIII type track slab embedded sleeve pulling resistance detection device has an embedded sleeve mounting hole on a track slab 1, an embedded sleeve is mounted in the embedded sleeve mounting hole, the high-speed railway CRTSIII type track slab embedded sleeve pulling resistance detection device is connected with the embedded sleeve, and the pulling resistance of the embedded sleeve is detected by controlling a hydraulic jack 2 in the high-speed railway CRTSIII type track slab embedded sleeve pulling resistance detection device.

Placed auxiliary fixtures on track board 1, the auxiliary fixtures position corresponds with buried sleeve position, high-speed railway CRTSIII type track board buried sleeve anti-pullout force detection device includes extension bar 3, extension bar 3 divide into link 31, leading end 32 and locking end 33, link 31 from last to running through behind hydraulic jack 2's the cylinder 21 the through-hole and the auxiliary fixtures with buried sleeve threaded connection in proper order down, manual the exerting pressure is carried out to the control part of rethread hydraulic jack 2, make cylinder 21 constantly extend to and lock the end 33 contact, close the oil inlet and continuously pressurize, observe the numerical value of manometer, after reaching target force value 60KN, stop the loading, last load is for one minute, whether the operating personnel observes buried sleeve and reaches the regulation requirement.

Auxiliary fixtures includes rubber gasket 4 and lip block 5, rubber gasket 4 is placed on track board 1, be equipped with rectangular hole 41 on rubber gasket 4, the position and the pre-buried sleeve pipe position of rectangular hole 41 correspond, lip block 5 has been placed on rubber gasket 4, lip block 5 adopts the steel material, be equipped with circular port 51 on lip block 5, circular port 51's position corresponds with the position of rectangular hole 41, extension bar 3 can run through hydraulic jack 2 in proper order, lip block 5 and rubber gasket 4 back and pre-buried sleeve pipe threaded connection.

The locking end 33 is sleeved with a locking nut 331, an expansion sleeve 332 and a round cushion block 333, the expansion sleeve 332 is arranged below the locking nut 331, the round cushion block 333 is arranged below the expansion sleeve 332, and the diameter of the end, in contact with the locking nut 331, of the expansion sleeve 332 is larger than that of the end, in contact with the round cushion block 333, of the expansion sleeve 332.

Preparing work, sequentially placing a rubber gasket 4, a supporting cushion block 5 and a hydraulic jack 2 above an embedded sleeve of a track slab 1 from bottom to top, wherein the positions of the embedded sleeves correspond to the positions of a rectangular hole 41, a circular hole 51 and the hydraulic jack 2, sequentially penetrating a connecting end 31 of an extension rod 3 through the hydraulic jack 2, the supporting cushion block 5 and the rubber gasket 4, connecting the connecting end 31 with the embedded sleeve, rotating the extension rod 3 to fixedly connect the connecting end 31 with the embedded sleeve, at the moment, the lower end face of a circular cushion block 333 is spaced from the upper end face of the hydraulic jack 2, after the preparation work is finished, an operator connects a pressure control rod with an oil inlet of the hydraulic jack 2, loading pressure on the hydraulic jack 2 through the pressure control rod, transmitting hydraulic oil to the hydraulic jack 2 through an oil pump and an oil pipe by an oil outlet, enabling an air cylinder 21 in the hydraulic jack 2 to be continuously extended, and when the air cylinder 21 is extended to be collided with the lower end face of the circular cushion block 333, closing the oil inlet for pressurization, observing the numerical value of a pressure gauge on the pressure control lever, stopping loading after a target force value of 60KN is reached, continuously loading for 1 minute, and observing whether the embedded sleeve meets the requirements or not.

What has been described above is merely a preferred embodiment of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and shall be considered as belonging to the protection scope of the present invention.

Claims

1. High-speed railway CRTSIII type track board embedded sleeve withdrawal resistance detection device, its characterized in that: the hydraulic jack comprises an extension bar (3), wherein the extension bar (3) sequentially penetrates through a through hole of a cylinder (21) of a hydraulic jack (2) and an auxiliary tool from top to bottom and then is in threaded connection with an embedded sleeve; the auxiliary tool comprises a rubber gasket (4) and a supporting cushion block (5), the rubber gasket (4) is placed at the lowest end, and the supporting cushion block (5) is placed on the rubber gasket (4); rubber gasket (4) on be equipped with rectangular hole (41), the position and the pre-buried sleeve pipe position of rectangular hole (41) correspond, lip block (5) adopt steel material, are equipped with circular port (51) on lip block (5), the position of circular port (51) corresponds with the position of rectangular hole (41).

2. The device for detecting the pullout resistance of the embedded casing of the CRTSIII type track board of the high-speed railway according to claim 1, characterized in that: extension bar (3) include link (31), leading end (32) and locking end (33), link (31) and buried bushing connection in advance, leading end (32) are located cylinder (21).

3. The device for detecting the pullout resistance of the embedded casing of the CRTSIII type track plate of the high-speed railway according to claim 2, characterized in that: the locking end (33) is sleeved with a locking nut (331), an expansion sleeve (332) and a round cushion block (333), the expansion sleeve (332) is arranged below the locking nut (331), and the round cushion block (333) is arranged below the expansion sleeve (332).

4. The device for detecting the pullout resistance of the embedded casing of the CRTSIII type track plate of the high-speed railway according to claim 3, characterized in that: the diameter of one end of the expansion sleeve (332), which is in contact with the locking nut (331), is larger than that of one end of the expansion sleeve (332), which is in contact with the round cushion block (333).