CN214291684U

CN214291684U - Clamping device is restoreed on line to water logging formula dragveyer chain

Info

Publication number: CN214291684U
Application number: CN202120262756.9U
Authority: CN
Inventors: 解东全; 李富民; 曹世勇; 米东; 牛丹辉; 张鑫
Original assignee: Wusitai Thermal Power Plant Of Inner Mongolia Energy Power Generation Investment Group Co ltd
Current assignee: Wusitai Thermal Power Plant Of Inner Mongolia Energy Power Generation Investment Group Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-09-28
Anticipated expiration: 2031-01-30

Abstract

The utility model discloses a clamping device is restoreed on line to water logging formula dragveyer chain, including two clamping devices that are used for centre gripping chain festival, equal fixedly connected with swivel nut on two clamping devices's the relative lateral wall is equipped with the screw rod between two swivel nuts, and the both ends of screw rod mesh respectively and connect two clamping device relative movement of inside realization drive at the swivel nut, and sliding connection has the press device who is used for advancing line location to the chain festival on arbitrary guiding axle, the utility model discloses a press device will rotate after treat repair chain festival quick fixation, be convenient for repair the repair welding repair operation to wearing and tearing position, greatly prolonged the life of chain then, reduced spare parts expense, reduced maintenance work volume intensity of labour.

Description

Clamping device is restoreed on line to water logging formula dragveyer chain

Technical Field

The utility model relates to an industry repair equipment technical field specifically is an online clamping device that restores of water logging formula dragveyer chain.

Background

When the chain of the water logging type slag conveyor is used for a long time, the chain is seriously worn, the long-period safe and stable operation of a unit cannot be ensured, researches show that the safe operation of the slag conveyor cannot be ensured when the abrasion loss reaches-12 mm, chain breakage can occur at any time, the pitch of the chain is increased and cannot be normally meshed with the sprocket of a driving wheel, the state of chain dropping and chain breakage of the slag conveyor can exist at any time, and the overhauling workload after the fault is very large;

according to a scheme established by multiple researches, the chain is repaired (repair welding) on line without stopping, namely, the dragveyer is controlled to stop running (the dragveyer intermittently runs) to drive the chain to repair when running at low load each time, but in the repair scheme, the dragveyer has short low-load running time, so that the repair method has the following defects: because the chain wearing and tearing position is in the junction of two chain sections, need buckle the chain section during restoration and dial to one side after, can just carry out repair welding restoration when exposing wearing and tearing position externally, current chain section is generally stirred through manual buckling, then the steel wire is tied up, this kind of method of stirring the chain section of buckling is complicated consuming time, is unfavorable for not shutting down and repairs (repair welding) the operation to the chain on line, therefore we have proposed a water logging formula dragveyer chain and have restoreed clamping device on line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device is restoreed on line to water logging formula dragveyer chain to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clamping device is restoreed on line to water logging formula dragveyer chain, includes two clamping devices that are used for centre gripping chain festival, fixedly connected with guiding axle on arbitrary clamping device's the both sides lateral wall, the guiding axle slides and cup joints on another clamping device's lateral wall, equal fixedly connected with swivel nut on two clamping device's the relative lateral wall, is equipped with the screw rod between two swivel nuts, just the both ends of screw rod are engaged with respectively and are connected two clamping device relative movement of drive in the inside realization of swivel nut, and sliding connection has the press device that is used for advancing line location to the chain festival on arbitrary guiding axle.

Preferably, two clamping devices are the symmetry setting, and two clamping devices all include the casing, the inside of casing rotates through a bearing and is connected with two carousels, the opposite clamping jaw of fixedly connected with opening on the lateral wall of two carousels, there is the slider inside through first spring sliding connection of casing, the slider is rotatory round the bearing orientation of difference through two connecting rod drive two carousels, slider one side runs through the lateral wall of casing and is connected with movable handle, fixedly connected with tray on the lateral wall of casing.

Preferably, a fixed handle is fixedly connected to the outer side wall of the shell, and the movable handle is located inside the fixed handle.

Preferably, the inner side wall of the supporting block is provided with anti-skid grains.

Preferably, the pressing device comprises an adjusting sleeve, the adjusting sleeve is connected to the guide shaft in a sliding mode, a supporting rod is connected to the inside of the adjusting sleeve through a second spring, and a pressing block used for pressing the chain section is fixedly connected to the side wall of the supporting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a two clamping device will with wait to restore two adjacent chain festival clamping of chain festival, rotate the screw rod this moment and cause two chain festival relative motion of two clamping device area, it takes off to wait that prosthetic chain festival pine this moment, when two chain festival tip are close to being close to, it can rotate to wait prosthetic chain festival, cause to expose the position of wearing and tearing externally, and through the press device will rotate after waiting to restore the chain festival fast fixation, be convenient for to the repair welding repair operation of wearing and tearing position, then prolong the life of chain greatly, spare part expense has been reduced, reduce maintenance work volume intensity of labour.

Drawings

Fig. 1 is a schematic view I of the overall structure of the present invention;

fig. 2 is a schematic view II of the overall structure of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic structural view of the housing, the supporting block and the clamping jaw of the present invention;

fig. 5 is a cross-sectional view of the housing, the turntable, the slider, the connecting rod and the clamping jaw of the present invention;

FIG. 6 is an exploded view of the turntable, the slider, the connecting rod and the clamping jaw of the present invention;

fig. 7 is a schematic structural view of the clamping device, the guide shaft, the screw sleeve and the screw rod of the present invention;

fig. 8 is a cross-sectional exploded view of the guiding shaft and the pressing device of the present invention.

In the figure: 1. clamping device, 101, casing, 102, carousel, 103, clamping jaw, 104, first spring, 105, slider, 106, connecting rod, 107, fixed handle, 108, tray, 109, movable handle, 2, guiding axle, 3, swivel nut, 4, screw rod, 5, press device, 501, adjusting collar, 502, second spring, 503, bracing piece, 504, briquetting, b, wearing and tearing position.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: an on-line repairing and clamping device for a chain of a water immersion type slag conveyor comprises two clamping devices 1 used for clamping chain joints, wherein guide shafts 2 are fixedly connected to side walls on two sides of any one of the clamping devices 1, the guide shafts 2 are sleeved on the outer side wall of the other clamping device 1 in a sliding mode, the two guide shafts 2 are parallel to each other and play a role in guiding the movement of the two clamping devices 1, so that the two clamping devices 1 can move relatively along the axes of the two guide shafts 2 to adjust the distance between the two clamping devices 1, screw sleeves 3 are fixedly connected to opposite side walls of the two clamping devices 1, a screw rod 4 is arranged between the two screw sleeves 3, two ends of the screw rod 4 are respectively connected to the insides of the screw sleeves 3 in a meshed mode to drive the two clamping devices 1 to move relatively, as shown in figure 7, a hexagonal column is arranged in the middle of the screw rod 4, and the wrench is matched with the hexagonal column, the driving screw rod 4 can be driven to rotate, the thread directions of two sides of the hexagonal column are opposite, the internal threads matched with the screw sleeves 3 are arranged in the two screw sleeves 3, when the screw rod 4 is rotated, two ends of the screw rod 4 slide into or slide out of the screw sleeves 3 at the same time so as to adjust the distance between the two clamping devices 1, and a pressing device 5 used for positioning a chain link is connected onto any one guide shaft 2 in a sliding mode.

In order to connect the clamping devices 1 to the chain link, specifically, the two clamping devices 1 are symmetrically arranged, each of the two clamping devices 1 includes a housing 101, the inside of the housing 101 is rotatably connected with two rotating discs 102 through a bearing, the side walls of the two rotating discs 102 are fixedly connected with clamping jaws 103 with opposite openings, the clamping jaws 103 are hook-shaped, so as to increase the stability when the clamping jaws 103 are clamped on the side walls of the chain link, the inside of the housing 101 is slidably connected with a sliding block 105 through a first spring 104, as shown in fig. 5, the first spring 104 exerts a right elastic force on the sliding block 105, the sliding block 105 drives the two rotating discs 102 to rotate around the bearing in different directions through two connecting rods 106, one side of the sliding block 105 penetrates through the side wall of the housing 101 and is connected with a movable handle 109, as shown in fig. 6, one end of each of the two connecting rods 106 is hinged on the side wall of the sliding block 105, the other ends of the two connecting rods 106 are respectively hinged to the two rotating discs 102, the hinged positions are far away from the circle center position, when the movable handle 109 is pulled leftwards, the sliding block 105 can overcome the elastic force of the first spring 104 to slide leftwards, the sliding block 105 pulls the two rotating discs 102 to rotate towards different directions through the connecting rods 106, so that the two clamping jaws 103 are opened, when the movable handle 109 is loosened, the sliding block 105 is rebounded rightwards by the first spring 104 to reset, then the two clamping jaws 103 are closed, the outer side wall of the shell 101 is fixedly connected with the supporting block 108, as shown in fig. 2, the supporting block 108 is of an arc-shaped structure, the shape of the supporting block 108 is matched with the end size of the chain section, and the supporting block 108 is enabled to be more stable when being clamped at the end of the chain section.

In order to facilitate the driving of the jaws 103 to open, specifically, a fixed handle 107 is fixedly connected to the outer side wall of the housing 101, and the movable handle 109 is located inside the fixed handle 107, as shown in fig. 4-5, when a user holds the clamping device 1 by gripping the fixed handle 107, the user can conveniently grip the movable handle 109 at the same time, and when gripping the fixed handle 107 and the movable handle 109, the movable handle 109 drives the sliding block 105 to slide, so that the two jaws 103 can be driven to open, and when the movable handle 109 is released, the sliding block 105 is rebounded and reset by the first spring 104, so that the two jaws 103 are in a closed state.

In order to avoid the sliding between the supporting block 108 and the end of the chain link, specifically, the inner side wall of the supporting block 108 is provided with anti-sliding lines.

As shown in fig. 8, in order to realize the top pressing and fixing of the chain link to be repaired, specifically, the pressing device 5 includes an adjusting sleeve 501, the adjusting sleeve 501 is slidably connected to the guide shaft 2, a supporting rod 503 is connected to the inside of the adjusting sleeve 501 through a second spring 502, and a pressing block 504 for pressing the chain link is fixedly connected to a side wall of the supporting rod 503;

the supporting rod 503 can rotate inside the adjusting sleeve 501, when the supporting rod 503 rotates to the state shown in fig. 1, the pressing block 504 can be accommodated, so that the pressing block 504 is prevented from interfering with the clamping of the chain link by the clamping device 1, when the chain link is pressed to a certain level, the supporting rod 503 is pulled outwards to pull out the supporting rod 503 against the elastic force of the second spring 502, and then the supporting rod 503 is rotated to be perpendicular to the guide shaft 2.

The working principle is as follows: as shown in fig. 1-2, a1, a2, a3, a4 and a5 are chain sections connected in sequence, and the position b on the chain section a3 shown in fig. 2 is a wear position (a repair welding repair position is needed); the following steps are taken to repair the worn site b:

rotating the screw rod 4 to separate the two clamping devices 1, enabling the two support blocks 108 to respectively pass through a1 and a5, pinching the movable handle 109 to enable the clamping jaws 103 to be unfolded, and holding the fixed handle 107 in this state and enabling the two support blocks 108 to respectively pass through a1 and a 5;

the supporting block 108 penetrating in the a1 is lapped on the upper end of the a2, the movable handle 109 on the upper clamping device 1 is loosened, so that the upper clamping jaw 103 is clamped on the side wall of the a2, the lower clamping jaw 103 is in an open state, then the screw rod 4 is rotated, the two ends of the screw rod 4 move towards the inner parts of the two screw sleeves 3 respectively, so that the lower clamping device 1 moves upwards, finally the supporting block 108 on the lower clamping device 1 is lapped on the lower end of the a4, then the movable handle 109 on the lower clamping device 1 is loosened, so that the lower clamping jaw 103 is clamped on the side wall of the a4 (as shown in figure 1);

the screw 4 is rotated continuously, and at this time, the two clamping devices 1 respectively carry the a2 and the a4 to move relatively, so that the a3 is loosened after the a2 and the a4 approach slowly, and after the a3 rotates, the a3 rotates the wear site b to one side, and then the pressing block 504 is pressed against one end of the a3 away from the wear site b by rotating the supporting rod 503 (as shown in fig. 2), and then repair welding repair of the wear site b can be carried out.

In addition, in order to further facilitate the operation of the device, the screw rod 4 and the screw sleeve 3 can be replaced by an oil cylinder or an electric push rod to drive the two clamping devices 1 to move relatively, the main body of the oil cylinder or the electric push rod is fixed on the shell 1 of one clamping device 1, the end part of the output shaft of the oil cylinder or the electric push rod is fixed on the shell 1 of the other clamping device 1, the two clamping devices 1 are driven to move relatively by starting the oil cylinder or the electric push rod, and the oil cylinder or the electric push rod is a product in the prior art, so that the description is omitted, and is not shown in the figure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping device is restoreed on line to water logging formula dragveyer chain, includes two clamping device (1) that are used for centre gripping chain festival, its characterized in that: fixedly connected with guiding axle (2) on the both sides lateral wall of arbitrary clamping device (1), guiding axle (2) slide to cup joint on the lateral wall of another clamping device (1), equal fixedly connected with swivel nut (3) on the relative lateral wall of two clamping device (1), be equipped with screw rod (4) between two swivel nuts (3), just the both ends of screw rod (4) are engaged with respectively and are connected two clamping device (1) relative movement of inside realization drive of swivel nut (3), and sliding connection has press device (5) that are used for advancing line location to the chain festival on arbitrary guiding axle (2).

2. The on-line repairing and clamping device for the chain of the water logging type slag conveyor as claimed in claim 1, wherein: two clamping device (1) are the symmetry and set up, and two clamping device (1) all include casing (101), the inside of casing (101) is rotated through a bearing and is connected with two carousel (102), and fixedly connected with clamping jaw (103) that the opening is opposite on the lateral wall of two carousel (102), there is slider (105) inside through first spring (104) sliding connection of casing (101), slider (105) are rotatory round the bearing towards different directions through two connecting rod (106) two carousel (102) of drive, slider (105) one side is run through the lateral wall of casing (101) and is connected with movable handle (109), fixedly connected with tray (108) on the lateral wall of casing (101).

3. The on-line repairing and clamping device for the chain of the water logging type slag conveyor as claimed in claim 2, wherein: the outer side wall of the shell (101) is fixedly connected with a fixed handle (107), and the movable handle (109) is located inside the fixed handle (107).

4. The on-line repairing and clamping device for the chain of the water logging type slag conveyor as claimed in claim 2, wherein: and anti-skid grains are arranged on the inner side wall of the supporting block (108).

5. The on-line repairing and clamping device for the chain of the water logging type slag conveyor as claimed in claim 1, wherein: pressing device (5) are including adjusting cover (501), adjusting cover (501) sliding connection is on guiding axle (2), the inside of adjusting cover (501) is connected with bracing piece (503) through second spring (502), fixedly connected with is used for pressing briquetting (504) of chain festival on the lateral wall of bracing piece (503).