CN114172101A

CN114172101A - Anti-falling wedge-shaped strain clamp

Info

Publication number: CN114172101A
Application number: CN202111597329.7A
Authority: CN
Inventors: 付雪晴; 王鑫; 吕亮; 王磊; 张德超; 宋娜; 李嘉兴; 孙芳
Original assignee: State Grid Shandong Yantai Fushan District Power Supply Co
Current assignee: State Grid Shandong Yantai Fushan District Power Supply Co
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-03-11
Anticipated expiration: 2041-12-24
Also published as: CN114172101B

Abstract

The invention discloses an anti-drop wedge-shaped strain clamp which comprises two shells, an inclined block, a pushing mechanism, a dovetail block, a dovetail groove, a connecting block, a cylinder, a screw rod, an adjusting mechanism, a hammer head, an elastic belt, a screw and a pulling plate, wherein the two shells are connected through a bolt, the inclined block is connected in the shells in a sliding mode, the pushing mechanism is arranged in the shells, the connecting block is welded on the shells, the cylinder is welded on the connecting block, the screw rod is connected in the cylinder through threads, the adjusting mechanism is arranged on the outer side of the screw rod, the hammer head is arranged on the outer side of the screw rod, the elastic belt is arranged on the screw rod, the screw head is connected on the side wall of the hammer head through threads, and the screw is rotationally connected with the elastic belt. The invention relates to an anti-falling wedge-shaped strain clamp which has the characteristics that the wedge-shaped strain clamp is not easy to loosen, and a shockproof hammer head has a good using effect.

Description

Anti-falling wedge-shaped strain clamp

Technical Field

The invention belongs to the technical field of wire clamps, and particularly relates to an anti-falling wedge-shaped strain clamp.

Background

The strain clamp is widely used for connecting corners, connections and terminals in an electric power system, and particularly, the wedge-shaped strain clamp with the built-in wedge block has better holding power on a cable, and has remarkable benefits. The stability of fastener must be guaranteed to strain clamp when using, avoids it to take place not hard up to drop, otherwise can bring very big incident. Among the prior art, wedge strain clamp uses easily not hard up for a long time, and then makes the cable pine take off, and simultaneously, the shockproof tup result of use of device is poor. Accordingly, there is a need for improvements in the art.

The invention content is as follows:

the invention aims to solve the problems in the prior art and provide an anti-drop wedge-shaped strain clamp, which solves the problems in the prior art.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides an anticreep formula wedge strain clamp, includes casing, sloping block, pushing mechanism, dovetail, connecting block, barrel, screw rod, adjustment mechanism, tup, elastic webbing, screw, arm-tie, the casing has two bolted connection, sliding connection has the sloping block in the casing, be provided with pushing mechanism in the casing, the welding has the connecting block on the casing, the welding has the barrel on the connecting block, there is the screw rod through threaded connection in the barrel, the outside of screw rod is provided with adjustment mechanism, the outside of screw rod is provided with the tup, be provided with the elastic webbing on the screw rod, the lateral wall of tup has the screw through threaded connection, screw and elastic webbing rotate to be connected, every the welding has the arm-tie on the casing, two pass through bolted connection between the arm-tie.

Preferably, the inclined block is welded with a dovetail block, the side wall of the shell is provided with a dovetail groove, and the dovetail block is connected in the dovetail groove in a sliding mode.

As preferred, pushing mechanism includes swivel nut, barrel, steel ball, guide slot, square bar, dog, spring, carousel, bearing, square sleeve, bolt and jack, swivel nut and casing fixed mounting, there is the barrel through threaded connection in the barrel, the welding has the steel ball on the barrel, sliding connection has the square bar in the barrel, the welding has the dog on the square bar, dog and barrel sliding connection, the outside of square bar is provided with the spring, the welding has the carousel on the square bar, the welding has the bolt on the carousel, a plurality of jacks have been seted up on the casing, and is a plurality of the jack is annular array and distributes on the casing, sliding connection has the bolt in the jack, carousel and casing contact.

Preferably, the guide groove is formed in the inclined block, and a steel ball is movably connected in the guide groove.

Preferably, one end of the spring is in contact with the screw cylinder, and the other end of the spring is in contact with the stopper.

Preferably, the bearing is fixedly sleeved in the shell, the square sleeve is fixedly sleeved in the bearing, and the square rod is sleeved in the square sleeve in a sliding manner.

As preferred, adjustment mechanism includes sliding sleeve, sliding pin, spout, bayonet lock, draw-in groove, urceolus, fixture block and annular, sliding sleeve and screw rod sliding connection, sliding sleeve and barrel contact, the welding has the sliding pin on the sliding sleeve, the spout has been seted up on the screw rod, sliding connection has the sliding pin in the spout, the welding has the bayonet lock on the sliding sleeve, the draw-in groove has been seted up on the barrel, sliding connection has the bayonet lock in the bayonet lock, there is the urceolus in the outside of barrel through threaded connection.

Preferably, the outer barrel is welded with a clamping block, the sliding sleeve is provided with a ring groove, and the clamping block is connected in the ring groove in a sliding mode.

The invention has the beneficial effects that: the invention relates to an anti-falling wedge-shaped strain clamp which has the characteristics that the wedge-shaped strain clamp is not easy to loosen and a shockproof hammer head has a good using effect, and compared with the traditional anti-falling wedge-shaped strain clamp, the anti-falling wedge-shaped strain clamp has the following two beneficial effects in specific use:

at first, through setting up sloping block, swivel nut, barrel, steel ball, square bar, carousel, bolt, jack isotructure, rotate the square bar through the carousel for barrel and barrel are the screw motion, and then make the steel ball promote the sloping block and remove, and then press from both sides the cable and press from both sides tightly, carry on spacingly through bolt and jack cooperation to the carousel, and then avoid the barrel not hard up, avoid the cable pine to take off.

Secondly, through setting up structures such as barrel, screw rod, tup, elastic webbing, screw, be screw motion through rotating screw rod and barrel, and then make between tup and the casing apart from can adjusting to through the elastic webbing effect, make the frequency of vibration of tup higher, carry out the vibrations to the casing and offset.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a cross-sectional view of the housing of FIG. 1 of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the invention at B in FIG. 2;

FIG. 5 is a cross-sectional view of the cartridge of FIG. 1 in accordance with the present invention;

FIG. 6 is an enlarged view of the invention at C of FIG. 5;

fig. 7 is a cross-sectional view of the hammer head of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a sloping block; 3. a pushing mechanism; 31. a threaded sleeve; 32. a screw cylinder; 33. steel balls; 34. a guide groove; 35. a square bar; 36. a stopper; 37. a spring; 38. a turntable; 39. a bearing; 310. a square sleeve; 311. a bolt; 312. a jack; 4. a dovetail block; 5. a dovetail groove; 6. connecting blocks; 7. a barrel; 8. a screw; 9. an adjustment mechanism; 91. a sliding sleeve; 92. a slide pin; 93. a chute; 94. a bayonet lock; 95. a card slot; 96. an outer cylinder; 97. a clamping block; 98. a ring groove; 10. a hammer head; 11. an elastic band; 12. a screw; 13. and (5) pulling the plate.

The specific implementation mode is as follows:

as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment:

example (b):

an anti-falling wedge-shaped strain clamp comprises a shell 1, an inclined block 2, a pushing mechanism 3, a dovetail block 4, a dovetail groove 5, a connecting block 6, a barrel 7, a screw rod 8, an adjusting mechanism 9, a hammer 10, an elastic band 11, screws 12 and a pulling plate 13, wherein the shell 1 comprises two shells 1 which are connected through bolts, the inclined block 2 is connected in the shell 1 in a sliding mode, the pushing mechanism 3 is arranged in the shell 1, the connecting block 6 is welded on the shell 1, the barrel 7 is welded on the connecting block 6, the screw rod 8 is connected in the barrel 7 through threads, the adjusting mechanism 9 is arranged on the outer side of the screw rod 8, the hammer 10 is arranged on the outer side of the screw rod 8, the elastic band 11 is arranged on the screw rod 8, the screw 12 is connected to the side wall of the hammer 10 through threads, the screws 12 are connected with the elastic band 11 in a rotating mode, each pulling plate 13 is welded on the shell 1, the two pulling plates 13 are connected through bolts.

The inclined block 2 is welded with a dovetail block 4, the side wall of the shell 1 is provided with a dovetail groove 5, and the dovetail block 4 is connected in the dovetail groove 5 in a sliding mode. The dovetail groove 5 is matched with the dovetail block 4 to guide the movement of the oblique block 2.

Wherein, pushing mechanism 3 includes swivel nut 31, barrel 32, steel ball 33, guide slot 34, square bar 35, dog 36, spring 37, carousel 38, bearing 39, square sleeve 310, bolt 311 and jack 312, swivel nut 31 and 1 fixed mounting of casing, there is barrel 32 through threaded connection in the swivel nut 31, the welding has steel ball 33 on the barrel 32, sliding connection has square bar 35 in the barrel 32, the welding has dog 36 on the square bar 35, dog 36 and barrel 32 sliding connection, the outside of square bar 35 is provided with spring 37, the welding has carousel 38 on the square bar 35, the welding has bolt 311 on the carousel 38, a plurality of jacks 312 have been seted up on the casing 1, it is a plurality of jack 312 is the annular array and distributes on casing 1, sliding connection has bolt 311 in the jack 312, carousel 38 and casing 1 contact. Rotate square bar 35 through carousel 38 for screw tube 32 and swivel nut 31 are the screw motion, and then make steel ball 33 promote sloping block 2 and remove, and then press from both sides the cable tightly, carry out spacingly through bolt 311 and jack 312 cooperation to carousel 38, and then avoid screw tube 32 not hard up, avoid the cable pine to take off.

The guide groove 34 is arranged on the inclined block 2, and a steel ball 33 is movably connected in the guide groove 34. The steel ball 33 is limited by the guide groove 34.

One end of the spring 37 is in contact with the screw cylinder 32, and the other end of the spring 37 is in contact with the stopper 36. The square rod 35 is convenient to reset by arranging the spring 37.

Wherein, the fixed cup joint has a bearing 39 in the casing 1, bearing 39 internal fixation has cup jointed the square cover 310, the square cover 310 slides in the sliding sleeve and has cup jointed the square pole 35. The square bar 35 is supported by the bearing 39 and the square sleeve 310.

Wherein, adjustment mechanism 9 includes sliding sleeve 91, sliding pin 92, spout 93, bayonet lock 94, draw-in groove 95, urceolus 96, fixture block 97 and annular 98, sliding

sleeve

91 and 8 sliding connection of screw rod, sliding sleeve 91 and barrel 7 contact, the welding has sliding pin 92 on the sliding sleeve 91, spout 93 has been seted up on the screw rod 8, sliding connection has sliding pin 92 in the spout 93, the welding has bayonet lock 94 on the sliding sleeve 91, draw-in groove 95 has been seted up on the barrel 7, sliding connection has bayonet lock 94 in the bayonet lock 94, there is urceolus 96 in the outside of barrel 7 through threaded connection. The outer cylinder 96 is rotated to enable the outer cylinder 96 and the cylinder 7 to be in threaded motion, the sliding sleeve 91 can slide on the screw rod 8, then the sliding sleeve 91 is moved to enable the clamping pin 94 and the clamping groove 95 to be separated, then the screw rod 8 is rotated through the sliding sleeve 91, the screw rod 8 rotates and is in threaded motion with the cylinder 7, then the screw rod 8 extends out of the cylinder 7, the outer cylinder 96 is reversely rotated to enable the outer cylinder 96 to reset relative to the cylinder 7, further the clamping pin 94 enters the clamping groove 95, and therefore the cylinder 7 and the screw rod 8 are fixed.

A clamping block 97 is welded on the outer cylinder 96, a ring groove 98 is formed in the sliding sleeve 91, and the clamping block 97 is slidably connected in the ring groove 98. The outer cylinder 96 and the sliding sleeve 91 are connected by arranging a latch 97 and a ring groove 98.

The using state of the invention is as follows: when the device is used, a cable is placed between the two inclined blocks 2, the two shells 1 are fixed through bolts, then the rotating disc 38 is moved, the bolt 311 is separated from the jack 312, the square rod 35 is moved, the square rod 35 drives the stop block 36 to move, the spring 37 is compressed, then the square rod 35 is rotated through the rotating disc 38, the square rod 35 drives the screw cylinder 32 to rotate, the screw cylinder 32 rotates and the screw sleeve 31 performs threaded motion, further the steel ball 33 pushes the inclined blocks 2 to move, the inclined blocks 2 clamp the cable, then the rotating disc 38 is loosened, the spring 37 resets the stop block 36, the stop block 36 drives the square rod 35 to reset, the square rod 35 drives the rotating disc 38 to reset, the bolt 311 enters the jack 312, the rotating disc 38 is in contact with the shells 1, the rotating disc 38 is limited through the matching of the bolt 311 and the jack 312, further the loosening of the screw cylinder 32 is avoided, the cable is prevented from loosening, after the device is installed, the outer cylinder 96 is rotated to enable the outer cylinder 96 and the cylinder 7 to do threaded motion, the outer cylinder 96 drives the fixture block 97 to move, the fixture block 97 drives the sliding sleeve 91 to move, the sliding sleeve 91 can slide on the screw rod 8, the bayonet 94 and the clamping groove 95 are separated due to the movement of the sliding sleeve 91, then the screw rod 8 is rotated through the sliding sleeve 91, the screw rod 8 rotates and the cylinder 7 do threaded motion, further the screw rod 8 extends out of the cylinder 7, the distance between the hammer 10 and the shell 1 is enlarged, further the force arm length of the hammer 10 is increased, the screw rod 8 and the cylinder 7 are rotated to do threaded motion, further the distance between the hammer 10 and the shell 1 can be adjusted, the vibration frequency of the hammer 10 is higher under the action of the elastic belt 11, the vibration of the shell 1 is counteracted, then the outer cylinder 96 is rotated to enable the outer cylinder 96 to reset relative to the cylinder 7, further the bayonet 94 enters the clamping groove 95, so that the cylinder 7 and the screw 8 are fixed.

Claims

1. The utility model provides an anticreep formula wedge strain clamp, includes casing (1), sloping block (2), pushing mechanism (3), dovetail block (4), dovetail (5), connecting block (6), barrel (7), screw rod (8), adjustment mechanism (9), tup (10), elastic webbing (11), screw (12), arm-tie (13), its characterized in that: the number of the shells (1) is two, the two shells (1) are connected through bolts, the shell (1) is connected with an inclined block (2) in a sliding way, a pushing mechanism (3) is arranged in the shell (1), the shell (1) is welded with a connecting block (6), the connecting block (6) is welded with a cylinder (7), a screw rod (8) is connected in the cylinder body (7) through threads, an adjusting mechanism (9) is arranged on the outer side of the screw rod (8), a hammer head (10) is arranged on the outer side of the screw rod (8), an elastic belt (11) is arranged on the screw rod (8), the side wall of the hammer head (10) is connected with a screw (12) through threads, the screw (12) is rotatably connected with an elastic band (11), and each shell (1) is welded with a pull plate (13) which is connected with the pull plate (13) through a bolt.

2. The anti-drop wedge strain clamp of claim 1, wherein: the welding has dovetail block (4) on sloping block (2), dovetail (5) have been seted up to the lateral wall of casing (1), sliding connection has dovetail block (4) in dovetail (5).

3. The anti-drop wedge strain clamp of claim 1, wherein: the pushing mechanism (3) comprises a screw sleeve (31), a screw barrel (32), a steel ball (33), a guide groove (34), a square rod (35), a stop block (36), a spring (37), a turntable (38), a bearing (39), a square sleeve (310), a bolt (311) and a jack (312), the screw sleeve (31) and the shell (1) are fixedly installed, the screw barrel (32) is connected in the screw sleeve (31) through threads, the steel ball (33) is welded on the screw barrel (32), the square rod (35) is connected in the screw barrel (32) in a sliding mode, the stop block (36) is welded on the square rod (35), the stop block (36) is connected with the screw barrel (32) in a sliding mode, the spring (37) is arranged on the outer side of the square rod (35), the turntable (38) is welded on the square rod (35), the bolt (311) is welded on the turntable (38), and the plurality of jacks (312) are formed in the shell (1), a plurality of jack (312) are distributed on casing (1) in the form of annular array, sliding connection has bolt (311) in jack (312), carousel (38) and casing (1) contact.

4. The anti-drop wedge strain clamp of claim 3, wherein: the guide groove (34) is arranged on the inclined block (2), and a steel ball (33) is movably connected in the guide groove (34).

5. The anti-drop wedge strain clamp of claim 3, wherein: one end of the spring (37) is contacted with the screw barrel (32), and the other end of the spring (37) is contacted with the stop block (36).

6. The anti-drop wedge strain clamp of claim 1, wherein: the bearing (39) is fixedly sleeved in the shell (1), the square sleeve (310) is fixedly sleeved in the bearing (39), and the square rod (35) is sleeved in the square sleeve (310) in a sliding mode.

7. The anti-drop wedge strain clamp of claim 1, wherein: adjustment mechanism (9) are including sliding sleeve (91), sliding pin (92), spout (93), bayonet lock (94), draw-in groove (95), urceolus (96), fixture block (97) and annular (98), sliding sleeve (91) and screw rod (8) sliding connection, sliding sleeve (91) and barrel (7) contact, the welding has sliding pin (92) on sliding sleeve (91), spout (93) have been seted up on screw rod (8), sliding connection has sliding pin (92) in spout (93), the welding has bayonet lock (94) on sliding sleeve (91), draw-in groove (95) have been seted up on barrel (7), sliding connection has bayonet lock (94) in bayonet lock (94), there is urceolus (96) in the outside of barrel (7) through threaded connection.

8. The anti-drop wedge strain clamp of claim 7, wherein: a clamping block (97) is welded on the outer barrel (96), a ring groove (98) is formed in the sliding sleeve (91), and the clamping block (97) is connected in the ring groove (98) in a sliding mode.