CN108019218A

CN108019218A - A kind of segmented herringbone rack

Info

Publication number: CN108019218A
Application number: CN201711447177.6A
Authority: CN
Inventors: 丁军; 杨力; 安宏生; 徐刚; 贾庆春; 张娜; 吕爽
Original assignee: Zhongye Jingcheng Engineering Technology Co Ltd; CERI Technology Co Ltd
Current assignee: CERI Long Product Co.,Ltd.; MCC Jingcheng Engineering Technology Co., Ltd
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2018-05-11

Abstract

The present invention provides a kind of segmented herringbone rack, including first section and endpiece, first section and endpiece are end to end along its length, the rear end of first section is forwardly convex nose for the front end of concave female end and endpiece forward, or the rear end of first section is that the front end of concave female end and endpiece is the nose protruded backward backward, in the state of first section and endpiece are end to end, female end engagement corresponding with nose, and the both sides of female end and the both sides of nose are connected by laterally attached component, the top of female end and the top of nose are connected by top connection component.Segmented herringbone rack provided by the invention need not be welded in an assembling process, and higher with assembly precision after connection, error is smaller, it is not easy to be loosened, service life is longer, without frequently replacing.

Description

A kind of segmented herringbone rack

Technical field

The present invention relates to rack technical field, refers in particular to a kind of segmented herringbone rack.

Background technology

One of CPE Push bench pipe mill capital equipments are push-bench, by electric transmission driving herringbone bear band carry-over bar, so that with Push rod makes feed-through rod and the hollow billet of end necking passes sequentially through multi rack roller die and realizes tube reducing, subtracts wall and extension, and hollow forging is made on top. Rack moves back and forth, circulation rolling.Rack is push-bench key stressed member, its performance decides the success or failure of push pipe rolling.

Due to the restriction of difficulty of processing, herringbone rack is often spliced using the symmetrical helical teeth silver of multi-disc, is fixed on On welded grider or forging solid beam, the processing of such a constitutional detail and rigging error are difficult to control, helical teeth silver easily loosen and Serious wear, rack short life, is replaced frequent.

The content of the invention

The object of the present invention is to provide a kind of segmented herringbone rack, need not pass through when being attached between various pieces Welding, higher with assembly precision after connection, error is smaller, it is not easy to loosens, service life is longer, without frequently replacing.

To reach above-mentioned purpose, the present invention provides a kind of segmented herringbone rack, wherein, the segmented herringbone rack Including rack body, the rack body includes first section and endpiece, and the first section and the endpiece are end to end along its length, The rear end of the first section is forwardly convex nose for the front end of concave female end and the endpiece forward, or the first section Rear end is that the front end of concave female end and the endpiece is the nose protruded backward backward, in the first section and endpiece head and the tail In the state of connecting, female end engagement corresponding with the nose, and the both sides of the female end and the both sides of the nose pass through Laterally attached component connection, the top of the female end is connected with the top of the nose by top connection component.

Segmented herringbone rack as described above, wherein, the rack body further includes at least one stage casing, the head Order is end to end along its length for section, the stage casing and the endpiece, and the rear end of the first section and the rear end in the stage casing are equal For the nose protruded backward, the front end of the front end in the stage casing and the endpiece is concave female end backward, the first section, In the state of the stage casing and endpiece order are end to end, the engagement corresponding with the opposite nose of each female end.

Segmented herringbone rack as described above, wherein, the laterally attached component includes two female end hangers, two noses are hung Ear and both sides lock ring ring, the two female end hangers are convexly equipped in the both side surface of the female end respectively, the two nose hangers point It is not convexly equipped in the both side surface of the corresponding nose, in the shape of female end engagement corresponding with the corresponding nose Under state, the two female end hangers are opposite with the two nose hangers respectively to be sticked to form both sides convex portion, the two side lock ring rings point Banding is not arranged on the outer circumferential surface of the two side convex portions.

Segmented herringbone rack as described above, wherein, the top connection component include the first inverted draw cut, the second inverted draw cut and Garter spring is held out against, first inverted draw cut is recessed on the top surface of the female end, and second inverted draw cut is recessed in the corresponding nose Top surface on, first inverted draw cut extends through the end face of the female end and middle part and is directed away from the female end for both ends Curved first arc groove in direction of end face, the side of the end face of the close female end of first arc groove formed with First block, second inverted draw cut extend through the end face of the nose and middle part for both ends and are directed away from the nose Curved second arc groove in direction of end face, the side of the end face of the close nose of second arc groove formed with Second block, in the state of female end engagement corresponding with the corresponding nose, first inverted draw cut with it is corresponding Second inverted draw cut connects to form apical ring groove, and first block and second block splicing composition top block, described Hold out against garter spring and be arranged banding on the outer circumferential surface of the top block.

Segmented herringbone rack as described above, wherein, the laterally attached component include the first axis pin, the second axis pin and Both sides lock ring ring, first axis pin run through the both side surface of the female end, and the both ends of first axis pin in the width direction The both side surface of the female end is protruded from respectively, and second axis pin runs through the both sides of the corresponding nose in the width direction Surface, and the both ends of second axis pin protrude from the both side surface of the nose, the two side lock ring ring difference windings respectively Positioned at the end of first axis pin of the same side of the rack body and the end of second axis pin.

Segmented herringbone rack as described above, wherein, positioned at first axis pin in the both side surface of the female end Female end side welding block is fixed with respectively towards the side of corresponding second axis pin, and is located in the both side surface of the nose The side of corresponding first axis pin of direction of second axis pin is fixed with nose side welding block respectively, the female end with In the state of the corresponding nose corresponds to engagement, female end side welding block patch corresponding with corresponding nose side welding block Close.

Segmented herringbone rack as described above, wherein, the top connection component include the first latch, the second latch and Hold out against garter spring, the top surface that the lower end of first latch extends vertically through the female end is inserted in the inside of the female end, and described The upper end of first latch protrudes from the top surface of the female end, and the top surface that the lower end of second latch extends vertically through the nose is inserted The top surface of the nose is protruded from arranged on the upper end of the inside of the nose, and second latch, it is described to hold out against garter spring difference The upper end of first latch described in winding and the upper end of second latch.

Segmented herringbone rack as described above, wherein, positioned at the direction of first latch on the top surface of the female end The side of corresponding second latch is fixed with female end overhead welding block, is located at second latch on the top surface of the nose Nose overhead welding block is fixed with towards the side of corresponding first latch, in the female end and the corresponding nose pair In the state of should engaging, female end overhead welding block fitting corresponding with the nose overhead welding block.

Segmented herringbone rack as described above, wherein, first latch is with first axis pin in the female end The inside joggle of internal joggle, second latch and second axis pin in the nose.

Segmented herringbone rack as described above, wherein, the end face of the female end is concavely provided with female end keyway, the nose End face be concavely provided with nose keyway, the inside of the nose keyway is equipped with positioning key with can be removably mounted, and the positioning key protrudes from On the end face of the nose, in the state of female end engagement corresponding with the corresponding nose, the positioning key it is convex For the inside of the female end keyway for being partially submerged into the corresponding female end on the end face of the nose.

Segmented herringbone rack as described above, wherein, in the front end surface of the first section and the endpiece rear end Locking latch component is connected with end face respectively, the locking latch component includes eye-splice and plug socket, the eye-splice installation In in the front end surface of the corresponding first section or on the rear end end face of the endpiece, the plug socket and the corresponding eye-splice Be oppositely arranged, and there is pre-determined distance between the plug socket and the corresponding eye-splice, the eye-splice can with it is corresponding described Plug socket locking latch.

Segmented herringbone rack as described above, wherein, the eye-splice includes integrally formed base portion and plug division, described Base portion is cylindrical, and the plug division is in cone cylinder shape, one end being relatively large in diameter of the plug division and one end end of the base portion Face is fixedly connected, and the other end of the base portion is connected with the rack body, the connection between the base portion and the plug division Place is formed with along by the tapered shoulder of orient diameter of the base portion to the plug division, along the axial direction of the base portion, institute State and a plurality of joint-cutting is offered on the side wall of plug division, each joint-cutting is through the end of less one end of diameter of the plug division Face, and each joint-cutting is along the inner surface for extending radially through the plug division and the appearance of the plug division of the plug division Face.

Segmented herringbone rack as described above, wherein, the plug socket includes safety screen, taper pin and cone and buckles, described Safety screen is set perpendicular to the axis of the base portion, and the side of the direction eye-splice of the safety screen is the first side, institute The side for stating the remote eye-splice of safety screen is the second side, is offered on the safety screen along the axis side of the base portion To the through hole for the both side surface for penetrating through the safety screen；

The taper pin is arranged in the through hole in which can be removably mounted with the cone button, and the taper pin is in the form of a column structure, along By the direction of the second side to the first side of the safety screen of the safety screen, the one of the close eye-splice of the taper pin End forms the tapered end of tapered diameter, and the diameter of the end face of the tapered end is less than less one end of diameter of the eye-splice Internal diameter, the cone button is cylindrical in shape structure, and the cone retaining ring is arranged on the outside of one end of the close eye-splice of the taper pin, institute The inner wall for stating outer surface and the through hole of cone button is bonded and contacts, along the first side by the safety screen to the safety The direction of second side of baffle, the endoporus of the cone button diametrically tapered taper hole, the inner wall and the taper pin of the cone button The annular space plugged for the plug division of the eye-splice is formed between the outer wall of one end of the eye-splice.

Segmented herringbone rack as described above, wherein, the through hole is step through-hole, on the inner wall of the through hole Formed with the step surface towards the first side of the safety screen, projection is formed with ring convex platform on the outer wall of the taper pin, in institute State in the state of taper pin is installed in the through hole, the ring convex platform is resisted against on the step surface, the taper pin it is close The end of second side of the safety screen extends the outside of the safety screen through the second side surface of the safety screen It is screwed on clamp nut, the cone retaining ring is arranged on the taper pin, and one end of the remote safety screen of the cone button End face is resisted against on another side surface of the ring convex platform, is equipped with pad with can be removably mounted on the first side surface of the safety screen Plate, offers on the backing plate and is less than or equal to the cone with the corresponding perforation of the through hole, the aperture of the perforation and detains The close safety screen the first side end internal diameter, it is described cone button be installed on the through hole inside state Under, the end of the first side of the close safety screen of the cone button is resisted against the direction safety screen of the backing plate On one side surface.

Segmented herringbone rack as described above, wherein, the both sides of the rack body are respectively equipped with roller, the roller Including multiple upper rollers and multiple bottom rollers, the top that multiple upper rollers are close to the rack body is set, and multiple The upper roller is set along the length direction uniform intervals of the rack body, and multiple bottom rollers are close to the rack sheet The bottom of body is set, and multiple bottom rollers are set along the length direction uniform intervals of the rack body, positioned at the tooth Each upper roller of the both sides of bar body, which corresponds, to be set, and positioned at each bottom roller of the both sides of the rack body Correspond and set.

Segmented herringbone rack as described above, wherein, the upper roller is edge wheel, and the bottom roller is band edge Roller and/or remove edge wheel.

Segmented herringbone rack as described above, wherein, the roller is installed on the rack body by connecting shaft Both sides, the connecting shaft runs through the both side surface of the rack body, and the both ends of the connecting shaft are arranged with bearing respectively, The roller housing is arranged on the bearing, and a side end face of the direction rack body of the roller is convex to be set formed with ring convex Portion, and recessed formation water dumping groove on the outer surface in the ring convex portion, are arranged with spacer ring in the installation axle, the spacer ring is located at Between the bearing and the rack body, the both side surface of the spacer ring one end end face with the bearing, the tooth respectively The side surface fitting contact of bar body, the outer circumferential surface of the spacer ring and the inner surface palette in the ring convex portion, it is described One end of the remote rack body in connecting shaft positioned at the bearing is connected with locating part, and the locating part is resisted against institute On the end face for stating one end of the remote rack body of bearing, on a side end face of the remote rack body of the roller It can be removably mounted ground sealing cover and be equipped with end cap, oil filler point is offered on the end cap, plug screw is equipped with the oil filler point.

Segmented herringbone rack as described above, wherein, it is equipped with tailstock with can be removably mounted on the rear end top surface of the endpiece, and The rear end of the endpiece, which is located at below the tailstock, is connected with tailstock roller group, and the tailstock roller group includes shaft, two Swinging axle, two connection seesaws and four rolling, the shaft and two swinging axles are arranged in parallel, and two swinging axles It is located at the both sides of the shaft respectively in the horizontal direction, the shaft and two swinging axles are along the width of the rack body The both side surface of the rack body is run through in direction, and the both ends of the both ends of the shaft and two swinging axles protrude from institute respectively State the both side surface of rack body, the both ends of the shaft extend through the middle parts of the two connection seesaws and with two stop nuts Be screwed on, the both ends of two swinging axles respectively by the ends of the two connection seesaws through the two connection seesaws and with the rolling Wheel connects, and is clearance fit between the axis hole worn on two swinging axles and the rack body for two swinging axles.

Segmented herringbone rack as described above, wherein, the double helical tooth of the segmented herringbone rack includes the first helical teeth With the second helical teeth, first helical teeth and second helical teeth are close to each other simultaneously along the direction by the first section to the endpiece Connected in the middle part of the rack body, the junction between first helical teeth and second helical teeth forms smooth fillet.

Compared with prior art, advantages of the present invention is as follows：

Segmented herringbone rack provided by the invention, forms nose and/or female end by the end for being arranged on each section, can make Docking is accurately positioned when adjacent two sections connect, meanwhile, it can be torn open by top connection component and laterally attached component between each section The assembling of dress ground forms an entirety, need not be welded in assembling process, has that assembly precision is higher after connection, error compared with It is small, it is not easy to loosen, service life is longer, without frequently replacing.

Brief description of the drawings

The following drawings is only intended to, in carrying out schematic illustration and explanation to the present invention, not delimit the scope of the invention.Its In：

Fig. 1 is the dimensional structure diagram of segmented herringbone rack provided by the invention；

Fig. 2 is the bottom view stereochemical structure signal in the stage casing of the rack body of segmented herringbone rack provided by the invention Figure；

Fig. 3 A be the rack body of segmented herringbone rack provided by the invention stage casing or first section nose look up it is vertical Body structure diagram；

Fig. 3 B be the rack body of segmented herringbone rack provided by the invention stage casing or endpiece female end look up it is vertical Body structure diagram；

Fig. 4 is any two corresponding female ends and nose of the rack body of segmented herringbone rack provided by the invention Connect the top view of part；

Fig. 5 is any two corresponding female ends and nose of the rack body of segmented herringbone rack provided by the invention Connect the side view of part；

Fig. 6 is any two corresponding female ends and nose of the rack body of segmented herringbone rack provided by the invention Connect the top plan view of part；

Fig. 7 is any two corresponding female ends and nose of the rack body of segmented herringbone rack provided by the invention Connect another top view of part；

Fig. 8 is any two corresponding female ends and nose of the rack body of segmented herringbone rack provided by the invention Connect another side view of part；

Fig. 9 is any two corresponding female ends and nose of the rack body of segmented herringbone rack provided by the invention Connect another top plan view of part；

Figure 10 is the dimensional structure diagram of the eye-splice of the locking latch component of segmented herringbone rack provided by the invention；

Figure 11 is the assembly structure diagram of the locking latch component of segmented herringbone rack provided by the invention；

Figure 12 is the side view of the rack body of segmented herringbone rack provided by the invention；

Figure 13 is the scheme of installation of segmented herringbone rack provided by the invention；

Figure 14 is the structure diagram of the roller of segmented herringbone rack provided by the invention；

Figure 15 is along the diagrammatic cross-section of line A-A in Figure 12；

Figure 16 is along the diagrammatic cross-section of line B-B in Figure 12.

Drawing reference numeral explanation：

1st, rack body；

101st, the first helical teeth；

102nd, the second helical teeth；

11st, first section；

12nd, stage casing；

13rd, endpiece；

14th, top connection component；

141st, the first inverted draw cut；

1411st, the first block；

142nd, the second inverted draw cut；

1421st, the second block；

143rd, garter spring is held out against；

144th, the first latch；

145th, the second latch；

146th, female end overhead welding block；

147th, nose overhead welding block；

15th, laterally attached component；

151st, female end hangers；

152nd, nose hangers；

153rd, side lock ring ring；

154th, the first axis pin；

155th, the second axis pin；

156th, female end side welding block；

157th, nose side welding block；

16th, female end；

161st, female end keyway；

17th, nose；

171st, nose keyway；

18th, positioning key；

2nd, locking latch component；

21st, eye-splice；

211st, base portion；

212nd, plug division；

2121st, joint-cutting；

213rd, shoulder；

22nd, plug socket；

221st, safety screen；

222nd, taper pin；

2221st, ring convex platform；

223rd, cone button；

224th, clamp nut；

225th, backing plate；

226th, packing ring；

227th, protective cover；

3rd, roller；

31st, upper roller；

32nd, bottom roller；

33rd, upper rail；

34th, lower guideway；

35th, connecting shaft；

36th, ring convex portion；

37th, water dumping groove；

38th, locating part；

4th, bearing；

5th, spacer ring；

6th, end cap；

61st, plug screw；

7th, tailstock；

71st, guide block；

72nd, connecting screw；

8th, tailstock roller group；

81st, shaft；

811st, steel bushing；

812nd, axle sleeve；

813rd, stop nut；

814th, wearing ring；

82nd, swinging axle；

83rd, seesaw is connected

Embodiment

In order to have clearer understanding to technical scheme, purpose and effect, in conjunction with the brief description of the drawings present invention Embodiment.

Wherein, Fig. 1 is referred to, the direction in the upper right corner is the direction " preceding " described in application documents in Fig. 1, left in Fig. 1 The direction of inferior horn is the direction " rear " described in application documents, it is necessary to explanation, represents the word " preceding " and " rear " in direction, Merely to the structure of the clearer explanation present invention, not limiting protection scope of the present invention.

As shown in Figure 1, Figure 2 and shown in Figure 11, the present invention provides a kind of segmented herringbone rack, wherein, segmented double helical tooth Bar includes rack body 1, and rack body 1 includes first section 11 and endpiece 13, and first section 11 and endpiece 13 are end to end along its length, The rear end of first section 11 is forwardly convex nose 17 for the front end of concave female end 16 and endpiece 13 forward, or after first section 11 It is the nose 17 that protrudes backward to hold as the front end of concave female end 16 and endpiece 13 backward, end to end in first section 11 and endpiece 13 In the state of, the engagement corresponding with nose 17 of female end 16, and the both sides of female end 16 and the both sides of nose 17 pass through laterally attached component 15 connections, the top of female end 16 is connected with the top of nose 17 by top connection component 14.Wherein, the rear end of first section 11 and tail The recessed or protrusion direction of the front end of section 13 is determined according to the direction of double helical tooth on rack body 1, when the tip position of double helical tooth When backwards, the rear end of first section 11 is the nose 17 protruded backward, and the front end of endpiece 13 is concave female end 16 backward, works as double helical tooth Tip position it is facing forward when, the rear end of first section 11 is concave female end 16 forward, and the front end of endpiece 13 is forwardly convex nose 17。

Further, as shown in Figure 1, Figure 2 and shown in Figure 11, the present invention provides a kind of segmented herringbone rack, wherein, segmentation Formula herringbone rack includes rack body 1, and rack body 1 includes first section 11, endpiece 13 and multiple stage casings 12, and stage casing 12 can be one It is a can also be it is multiple, stage casing 12 can not also be set under special circumstances, and be connected directly by first section 11 with endpiece 13, this hair It is bright to be not limited thereto；Order is end to end along its length for first section 11, multiple stage casings 12 and endpiece 13, and preferably, first 11 rear end of section and the rear end in each stage casing 12 are the nose 17 protruded backward, and the front end and the front end of endpiece 13 in each stage casing 12 are equal For concave female end 16 backward, first section 11, each stage casing 12 and the order of endpiece 13 it is end to end in the state of, each female end 16 with Opposite nose 17 corresponds to engagement, preferably, the farthest of the protrusion of the depression bosom of each female end 16 and each nose 17 The middle part being respectively positioned on the width of rack body 1 so that the protruding parts of the recess of female end 16 and nose 17 with The axisymmetrical of rack body 1, to ensure more accurately by each section of docking, while is subject to the situation of external force afterwards in each section of connection Under, the joint face uniform stressed between every two sections can be made, to ensure each section of rack body 1 of service life, and each female end 16 Both sides be connected with the both sides of corresponding nose 17 by laterally attached component 15, the top of each female end 16 with it is corresponding each The top of nose 17 is connected by top connection component 14, so from the both sides of rack body 1 and three, top direction by rack Each section of connection of body 1, can be effectively ensured the connection precision and bonding strength of each section of rack body 1, ensure that rack body 1 is not easy Loosen.

Further, as shown in Figure 1, Figure 2, Fig. 3 A, Fig. 3 B, shown in Fig. 4, Fig. 5 and Fig. 6, the present invention provides a kind of segmented Herringbone rack, wherein, laterally attached component 15 includes two female end hangers 151, two nose hangers 152 and both sides lock ring ring 153, and two Female end hangers 151 is convexly equipped in the both side surface of female end 16 respectively, and two nose hangers 152 are convexly equipped in corresponding nose 17 respectively Both side surface on, female end 16 it is corresponding with corresponding nose 17 engagement in the state of, two female end hangers 151 are convex with two respectively End hangers 152 is opposite to be sticked to form both sides convex portion, and both sides lock ring ring 153 is arranged banding on the outer circumferential surface of both sides convex portion respectively, Namely two female end hangers 151 are bundled with corresponding two noses hangers 152 respectively, so that from rack body 1 Female end 16 and nose 17 are fixed together by both sides.

Further, as shown in Figure 1, Figure 2, Fig. 3 A, Fig. 3 B, shown in Fig. 4, Fig. 5 and Fig. 6, the present invention provides a kind of segmented Herringbone rack, wherein, top connection component 14 includes the first inverted draw cut 141, the second inverted draw cut 142 and holds out against garter spring 143, the first inverted draw cut 141 is recessed on the top surface of female end 16, and the second inverted draw cut 142 is recessed on the top surface of corresponding nose 17, and the first inverted draw cut 141 is two End extends through curved first arc groove in direction for the end face that the end face of female end 16 and middle part are directed away from female end 16, The side of the end face of the close female end 16 of first arc groove is formed with the first block 1411, it is understood that recessed for the first arc Form the first block 1411 between the end face of groove and female end 16, the second inverted draw cut 142 for both ends extend through nose 17 end face and Middle part is directed away from curved second arc groove in direction of the end face of nose 17, the nose 17 of the second arc groove End face side formed with the second block 1421, it is understood that formed between the second arc groove and the end face of nose 17 Second block 1421, in the state of the engagement corresponding with corresponding nose 17 of female end 16, the first inverted draw cut 141 and corresponding the The connection of two inverted draw cuts 142 forms apical ring groove, i.e. annular groove, and the first block 1411 and the second block 1421 splicing composition top block Body, holds out against garter spring 143 and is arranged banding on the outer circumferential surface of top block, that is, by the first block 1411 and corresponding second Block 1421 bundles, so that female end 16 and nose 17 be fixed together from the top surface of rack body 1.In the present embodiment In, the first block 1411 is recessed by opening up the first arc respectively on top surface of the female end 16 with nose 17 with the second block 1421 Groove and the second arc groove and formed, in addition, the set-up mode of nose hangers 152 and female end hangers 151 can also be referred to, The first block of projection 1411 directly on the top surface of female end 16, and the second block of projection 1421 on the top surface of nose 17, this hair It is bright to be not limited thereto.

Further, as shown in Figures 7 and 8, the present invention provides a kind of segmented herringbone rack, wherein, it is laterally attached Component 15 includes the first axis pin 154, the second axis pin 155 and both sides lock ring ring 153, and the first axis pin 154 is in the width direction through recessed The both side surface at end 16, the first axis pin 154 is fixedly connected with female end 16, and the both ends of the first axis pin 154 protrude from female end respectively 16 both side surface, the second axis pin 155 run through the both side surface of corresponding nose 17 in the width direction, the second axis pin 155 with Nose 17 is fixedly connected and the both ends of the second axis pin 155 protrude from the both side surface of nose 17 respectively, and both sides lock ring ring 153 is distinguished Around the end of end and second axis pin 155 of first axis pin 154 of the same side for being set in rack body 1, also Be both sides lock ring ring 153 two first axis pins 154 and two second axis pins 155 are located at respectively the end of 1 the same side of rack body around If binding, by being bundled respectively to the first axis pin 154 and the second axis pin 155 in the both sides of rack body 1, can effectively from The both sides of rack body 1 are attached female end 16 and nose 17, and the end face and the end face of nose 17 for making female end 16 are combined closely Together.

Further, as shown in Figures 7 and 8, the present invention provides a kind of segmented herringbone rack, wherein, female end 16 Both side surface on positioned at the first axis pin 154 corresponding second axis pin 155 of direction side be fixed with respectively female end side weldering Block 156, and the side of corresponding first axis pin 154 of direction in the both side surface of nose 17 positioned at the second axis pin 155 is solid respectively Surely be equipped with nose side welding block 157, female end 16 it is corresponding with corresponding nose 17 engagement in the state of, female end side welding block 156 with Corresponding nose side welding block 157 corresponds to fitting, by setting female end side welding block 156 can be from the first pin with nose side welding block 157 The first axis pin 154 and the second axis pin 155 are supported between 154 and second axis pin 155 of axis, prevent the first axis pin 154 and Two axis pins 155 deform upon towards direction close to each other after the seizing force of side lock ring ring 153 is subject to and cause female end 16 Connection between nose 17 loosens.

Further, as shown in Figures 7 and 8, the present invention provides a kind of segmented herringbone rack, wherein, top connection Component 14 includes the first latch 144, the second latch 145 and holds out against garter spring 143, and the lower end of the first latch 144 extends vertically through female end 16 top surface is inserted in the inside of female end 16, and the upper end of the first latch 144 protrudes from the top surface of female end 16, the second latch 145 Lower end extend vertically through the top surface of nose 17 and be inserted in the inside of nose 17, and the upper end of the second latch 145 protrudes from nose 17 Top surface, hold out against garter spring 143 and distinguish the upper end of winding the first latch 144 and the upper end of the second latch 145, that is, hold out against garter spring 143 bundle the upper end winding of the upper end of the first latch 144 and the second latch 145, by the top of rack body 1 to first Latch 144 is bundled with the second latch 145, and effectively female end 16 and nose 17 can be connected from the top of rack body 1 Connect, the end face of female end 16 is closely combined together with the end face of nose 17.It should be noted that first is being set to insert It should be noted that 144 lower end of the first latch and the lower end of the second latch 145 are only inserted into rack sheet when pin 144 and the second latch 145 Centre position on the thickness direction of body 1, and not through the lower surface of rack body 1.

Further, as shown in Fig. 7~Fig. 9, the present invention provides a kind of segmented herringbone rack, wherein, female end 16 Top surface on positioned at the side of corresponding second latch 145 of direction of the first latch 144 be fixed with female end overhead welding block 146, it is convex The side of corresponding first latch 144 of direction on the top surface at end 17 positioned at the second latch 145 is fixed with nose overhead welding block 147, in the state of the engagement corresponding with corresponding nose 17 of female end 16, female end overhead welding block 146 is corresponding with nose overhead welding block 147 Fitting.It is similar to the principle of female end side welding block 156 and nose side welding block 157, female end overhead welding block 146 and nose overhead welding block are set 147 respectively can be supported the first latch 144 with the second latch 145 between the first latch 144 and the second latch 145, with Prevent the first latch 144 and the second latch 145 from occurring after being subject to hold out against 143 seizing force of garter spring towards direction close to each other Deformation and cause the connection between female end 16 and nose 17 to loosen.

Preferably, as shown in figure 8, the present invention provides a kind of segmented herringbone rack, wherein, the first latch 144 with First axis pin 154 is in the inside joggle of female end 16, the inside joggle of the second latch 145 and the second axis pin 155 in nose 17.Specifically Tongue-and-groove to be recessed with respectively on the side of the first latch 144 and the second latch 145, with the first latch 144 and the first axis pin 154 Exemplified by, in the state of the first latch 144 and the first axis pin 154 wear rack body 1, the first axis pin 154 and the first latch Tongue-and-groove joggle on 144, it can be seen that since the part inside the first latch 144 insertion rack body 1 is shorter, by the first pin 154 and first latch of axis, 144 joggle is to ensure the validity connected between the first latch 144 and rack body 1, prevents One latch 144 is separated with rack body 1, set-up mode and the first axis pin 154 between the second latch 145 and the second axis pin 155 And the first set-up mode between latch 144 is identical, do not repeating herein.

Further, as shown in figs. 6 and 9, the present invention provides a kind of segmented herringbone rack, wherein, female end 16 End face is concavely provided with female end keyway 161, and the end face of nose 17 is concavely provided with nose keyway 171, and the inside of nose keyway 171 can be torn open Dress ground is equipped with positioning key 18, and positioning key 18 is arranged on the inside of nose keyway 171 by screw in which can be removably mounted, and positioning key 18 protrudes In on the end face of nose 17, in the state of the engagement corresponding with corresponding nose 17 of female end 16, protruding from for positioning key 18 is convex The inside of the female end keyway 161 for being partially submerged into corresponding female end 16 on the end face at end 17.By setting positioning key 18 to incite somebody to action When female end 16 is docked with nose 17, nose 17 and female end 16 are accurately docking together easy to which staff is easier, at the same time The merging precision between female end 16 and nose 17 can also be further improved, so as to improve segmented herringbone rack of the present invention Assembly precision.

Further, the present invention provides a kind of segmented herringbone rack, wherein, in the front end surface of first section 11 and tail Locking latch component 2 is connected with the rear end end face of section 13 respectively, locking latch component 2 includes eye-splice 21 and plug socket 22, Eye-splice 21 is installed in the front end surface of corresponding first section 11 or on the rear end end face of endpiece 13, and plug socket 22 is installed on outside other In portion's structure, and plug socket 22 is oppositely arranged with corresponding eye-splice 21, and is had between plug socket 22 and corresponding eye-splice 21 pre- If distance, eye-splice 21 can be with corresponding 22 locking latch of plug socket.By setting locking latch component 2, rack sheet can occur When body departs from gear and continues towards the situation of front or behind movement, corresponding plug socket 22 is inserted into by eye-splice 21 to make tooth The stop motion of bar body is simultaneously locked together with plug socket 22, prevents more serious accident from occurring.

Further, as shown in Figure 10, the present invention provides a kind of segmented herringbone rack, wherein, the eye-splice 21 Including integrally formed base portion 211 and plug division 212, base portion 211 is cylindrical, and plug division 212 is in cone cylinder shape, plug division 212 The one end being relatively large in diameter be fixedly connected with one end end face of base portion 211, the other end and the rack body 1 of base portion 211 can be removably mounted Ground connects, and junction between base portion 211 and plug division 212 is formed with along the orient diameter by base portion 211 to plug division 212 Tapered shoulder 213, in the state of eye-splice 21 and 22 locking latch of plug socket, the inside of plug socket 22 is inserted into plug division 212, And base portion 211 is located at the outside of plug socket 22, the shoulder 213 between base portion 211 and plug division 212 is resisted against the outer of plug socket 22 On surface, by set shoulder 213 can prevent eye-splice 21 be inserted into plug socket 22 it is too deep and cause the end of plug division 212 damage Hit the situation for causing the end of plug socket 22 or rack body 1 to be damaged on plug socket 22 in bad or rack body 1 end； Along the axial direction of base portion 211, a plurality of joint-cutting 2121 is offered on the side wall of plug division 212, each joint-cutting 2121 runs through plug division The end face of 212 less one end of diameter, and each joint-cutting 2121 is along the interior table for extending radially through plug division 212 of plug division 212 The outer surface in face and plug division 212；It is also understood that plug division 212 is towards close to slotting on one end end face by base portion 211 The cone cylinder structure that the arc-shaped laminated structure of multiple radial sections that the direction of joint chair 22 extends to form is spliced；

Further, as shown in Figures 10 and 11, the present invention provides a kind of segmented herringbone rack, wherein, grafting Seat includes safety screen 221, taper pin 222 and cone and buckles 223, and safety screen 221 is set perpendicular to the axis of base portion 211, safety catch The side towards eye-splice 21 of plate 221 is the first side, and the side of the remote eye-splice 21 of safety screen 221 is the second side, safety catch The through hole of the both side surface along the axis direction perforation safety screen 221 of base portion 211 is offered on plate 221；Taper pin 222 and cone Button 223 is disposed through in hole in which can be removably mounted, and taper pin 222 is in the form of a column structure, along the second side by safety screen 221 to safety The direction of first side of baffle 221, one end of the close eye-splice 21 of taper pin 222 form the tapered end of tapered diameter, tapering point The diameter of the end face in portion is less than the internal diameter of less one end of diameter of eye-splice 21, and the position beyond 222 upper conical end of taper pin The diameter at place is more than the internal diameter of less one end of diameter of eye-splice 21, and cone button 223 is cylindrical in shape structure, and cone button 223 is sheathed on taper pin The outside of one end of 222 close eye-splice 21, the outer surface of cone button 223 is contacted with the inner wall fitting of through hole, along by safety The direction of first side of baffle 221 to the second side of safety screen 221, the endoporus of cone button 223 diametrically tapered taper hole, cone button The ring plugged for the plug division 212 of eye-splice 21 is formed between the outer wall of one end of the close eye-splice 21 of 223 inner wall and taper pin 222 It is empty.When being inserted in plug socket 22 in plug division 212, the tapered end of taper pin 222 is stretched by less one end of diameter of plug division 212 Enter to the inside of plug division 212, and plug division 212 is inserted into the annular space between taper pin 222 and cone button 223, with plug division The depth of 212 insertion annular spaces is deeper, and the depth that taper pin 222 is inserted into plug division 212 is deeper, 2121 quilt of joint-cutting of plug division 212 Taper pin 222, which struts, to be deformed upon, and taper pin 222 is tightly embraced in plug division 212 by the deformation recovery power of its own, at the same time, Since the endoporus of cone button 223 is taper hole, along the first side by safety screen 221 to the direction of the second side of safety screen 221, The inner wall and the distance between the outer wall of taper pin 222 of cone button 223 are less and less, and the depth that annular space is stretched into plug division 212 is got over It is deep, cone button 223 coordinate with taper pin 222 plug division 212 is held it is tighter, so that plug division 212 is locked in plug socket 22.

Preferably, as shown in figure 11, the present invention provides a kind of segmented herringbone rack, wherein, through hole is step Through hole, formed with the step surface towards the first side of safety screen 221 on the inner wall of through hole, projection on the outer wall of taper pin 222 Formed with ring convex platform 2221, in the state of taper pin 222 is installed in through hole, ring convex platform 2221 is resisted against on step surface, cone The end of second side of the close safety screen 221 of pin 222 extends safety screen through the second side surface of safety screen 221 221 outside is screwed on clamp nut 224, i.e., taper pin 222 can be regarded as being made of two sections of connections, the junction between two sections Ring convex platform 2221 is formed, one section positioned at 2221 side of ring convex platform protrudes out to safety through the second side surface of safety screen 221 The outside of baffle 221, and detained positioned at one section of 2221 opposite side of ring convex platform with cone positioned at the inside of through hole 223 be matched for clamping tightly it is slotting Packing ring 226, and the second side of safety screen 221 can be set between socket part 212, wherein clamp nut 224 and safety screen 221 Protective cover 227 can be set on surface, protective cover 227 is provide with clamp nut 224 and packing ring 226；Cone button 223 is sheathed on taper pin On 222, and the end face for boring one end of the remote safety screen 221 of button 223 is resisted against on another side surface of ring convex platform 2221, is pacified Backing plate 225 is equipped with first side surface of full baffle 221 with can be removably mounted, and is offered on backing plate 225 and through hole is corresponding wears Hole, the aperture of perforation is less than or equal to the internal diameter of the end of the first side of the close safety screen 221 of cone button 223, in cone button 223 It is installed in the state of the inside of through hole, the end of the first side of the close safety screen 221 of cone button 223 is resisted against backing plate On 225 side surface towards safety screen 221, it is to be understood that clamp nut 224 consolidates taper pin 222 with packing ring 226 Be scheduled in through hole, backing plate 225 cone is buckled from the first side of safety screen 221 223 and taper pin 222 carry out spacing, step surface is From the second side of safety screen 221 to taper pin 222 and cone buckle 223 carry out it is spacing, with ensure all parts of plug socket 22 by To plug division 212 impact force when will not loosen, and can smoothly with 212 locking latch of plug division.

Further, as shown in Fig. 1, Figure 12 and Figure 13, the present invention provides a kind of segmented herringbone rack, wherein, tooth The both sides of bar body 1 are respectively equipped with roller 3, and roller 3 includes multiple upper rollers 31 and multiple bottom rollers 32, and multiple upper rollers 31 are equal Set close to the top of rack body 1, and multiple upper rollers 31 are set along the length direction uniform intervals of rack body 1, it is multiple The bottom that bottom roller 32 is close to rack body 1 is set, and length direction uniform intervals of the multiple bottom rollers 32 along rack body 1 Set, positioned at the both sides of rack body 1 each upper roller 31 correspond set, and positioned at rack body 1 both sides it is each under Roller 32, which corresponds, to be set.When being connected with gear-box, each upper roller 31 connects with upper rail 33, each bottom roller 32 with Lower guideway 34 connects (shown in Figure 12 is a pair of of bottom roller 32 positioned at 1 both sides of rack body), so can be by rack body 1 Stable is installed between the upper rail 33 of gear-box and lower guideway 34.

Preferably, as shown in Fig. 1, Figure 12 and Figure 13, the present invention provides a kind of segmented herringbone rack, wherein, on Roller 31 is edge wheel, and bottom roller 32 is roller with rim and/or removes edge wheel.The wheel face that edge wheel refers to roller is gone to roll It is straight line in the axial cross section of wheel, such as the tire tread of automobile；Roller with rim refers to axial cross section of the wheel face in roller of roller In be curve or broken line, such as the wheel face of the wheel of train；Preferably, the part in bottom roller 32 is set to roller with rim, Correcting effectively can be carried out to the direction of motion of rack body 1, to prevent rack body 1 and gear from deviateing, ensure rack sheet 1 stable motion of body.

Further, as shown in figure 14, the present invention provides a kind of segmented herringbone rack, wherein, roller 3 passes through Connecting shaft 35 is installed on the both sides of rack body 1, and connecting shaft 35 runs through the both side surface of rack body 1, and the two of connecting shaft 35 End is arranged with bearing 4 respectively, and bearing 4 is taper roll bearing, and preferably, the arrangement of taper roll bearing bearing is Arrangement face-to-face, is compared, its force-bearing situation is more conducive to the locking of 4 inner ring of bearing than back-to-back arrangement；Roller 3 is sheathed on On bearing 4, the side end face towards rack body 1 of roller 3 is convex to be set formed with ring convex portion 36, and the outside table in ring convex portion 36 Recessed formation water dumping groove 37 on face, for throwing away the steam of generation in 3 rotation process of roller, to prevent water vapour from entering roller 3 inside；Spacer ring 5 is arranged with connecting shaft 35, spacer ring 5 is between bearing 4 and rack body 1, the both side surface point of spacer ring 5 One end end face, rack body 1 not with bearing 4 a side surface fitting contact, by set spacer ring 5 can effectively by bearing 4 with Rack body 1 separates, so as to prevent the rotation of bearing 4 from causing to wear to rack body 1；The outer circumferential surface of spacer ring 5 and ring convex portion 36 inner surface palette, and the inner peripheral surface of spacer ring 5 and the outer surface palette of connecting shaft 35, specifically, spacer ring 5 It is equipped between outer circumferential surface and the medial surface in ring convex portion 36 between sealing ring, or spacer ring 5 and the contact surface in ring convex portion 36 and forms fan Sealing ring is equipped between the contact surface of palace oil sealing, spacer ring 5 and connecting shaft 35；It is located at the remote rack sheet of bearing 4 in connecting shaft 35 One end of body 1 is connected with locating part 38 (can be nut or baffle ring), and locating part 38 is resisted against the remote rack body of bearing 4 On the end face of 1 one end, by setting locating part 38, locating part 38 is coordinated with spacer ring 5 and the position of roller 3 kept, The guide rail and rack body 1 for making roller 3 and gear-box are accurately docked with gear；One side of the remote rack body 1 of roller 3 It can be removably mounted ground sealing cover on face and be equipped with end cap 6, end cap 6, roller 3 and spacer ring 5 have been enclosed a closed chamber, bearing 4 Be arranged in the chamber, oil filler point offered on end cap 6, lubricating oil inject into chamber by oil filler point thus to bearing 4 into Row lubricates, and is equipped with plug screw 61 in oil filler point, to prevent oil leakage, end cap 6 can use transparent end cap, in order to observe axis Hold 4 lubrication circumstances.

Further, as shown in Figure 15 and Figure 16, the present invention provides a kind of segmented herringbone rack, wherein, endpiece 13 Rear end top surface on be equipped with tailstock 7 with can be removably mounted, offer installation guide groove on the upper surface of endpiece 13, installation guide groove is wide for top It is smaller to spend size, and the larger-size T-slot of lower width, dovetail groove or dovetail groove, the lower section integrally connected of tailstock 7 be equipped with The matched guide block 71 of shape of guide groove is installed, when mounted, due to installation guide groove and guide block 71 be upper width size compared with The small and larger-size structure of lower width, therefore guide block 71 can not be installed on by the open top of installation guide groove in installation guide groove Portion, but by the one end open of installation guide groove along the length direction insertion installation guide groove of rack body 1, then by connecting spiral shell Bar 72 positions guide block 71 and installation guide groove through two cell walls and guide block 71 of installation guide groove along the width of rack body 1；

The lower section that the rear end of endpiece 13 is located at tailstock 7 is connected with tailstock roller group 8, tailstock roller group 8 include shaft 81, Two swinging axles 82, two connect seesaw 83 and four rolling 3, and 81 and two swinging axle 82 of shaft is arranged in parallel, and two swinging axles 82 are located at the both sides of shaft 81 respectively in the horizontal direction, and 81 and two swinging axle 82 of shaft is passed through along the width of rack body 1 Wear the both side surface of rack body 1, the both ends of the both ends of shaft 81 and two swinging axles 82 protrude from the both sides of rack body 1 respectively Surface, wherein, shaft 81 is connected by steel bushing 811 with rack body 1, to prevent in 81 rotation process of rotation stop axis to rack body 1 Cause to wear；The both ends of shaft 81 extend through the middle part of two connection seesaws 83 and are screwed on two stop nuts 813, shaft 81 Connected between both ends and two connection seesaws 83 by axle sleeve 812, connection seesaw 83 is caused to wear during moving to prevent rotation stop, and At least one end of shaft 81 is arranged with wearing ring, and wearing ring 814 is between connection seesaw 83 and rack body 1, wearing ring 814 The distance between seesaw 83 and rack body 1 are connected for limiting, while is prevented in connection 83 swing process of seesaw to rack sheet Body 1 causes to wear；The both ends of two swinging axles 82 respectively by two connection seesaws 83 ends through two connection seesaws 83 and with roller 3 Connect, be clearance fit between the axis hole worn on two swinging axles 82 and rack body 1 for two swinging axles 82.By by swinging axle 82 and gear on be set to clearance fit between the axis hole that wears for swinging axle 82, when tailstock 7 is subject to external force to fluctuate, pass through Two swinging axles 82 can fluctuating in corresponding axis hole, can guarantee that in tailstock roller group 8 have all the time at least two rollers 3 with Upper rail 33 or lower guideway 34 connect, so as to ensure the validity connected between 13 rear end of endpiece and gear-box.

Further, as shown in Fig. 2, the present invention provides a kind of segmented herringbone rack, wherein, segmented herringbone rack Double helical tooth include the first helical teeth 101 and the second helical teeth 102, the extension of the extending direction of the first helical teeth 101 and the second helical teeth 102 Direction is with the center line mirror symmetry of the length direction of rack body 1, and the first helical teeth 101 and the second helical teeth 102 are along by first section 11 to endpiece 13 direction it is close to each other and in rack body 1 middle part connect, i.e., the inner side of double helical tooth forward-facing, lateral surface court Afterwards, the junction between the first helical teeth 101 and the second helical teeth 102 forms smooth fillet.When 1 rear end stress of rack body, people The lateral surface of word tooth is under pressure, rather than medial surface under tension, is more advantageous to the stressing conditions of rack body 1, more pacifies It is complete reliable.

Compared with prior art, advantages of the present invention is as follows：

The foregoing is merely the schematical embodiment of the present invention, the scope of the present invention is not limited to.It is any Those of ordinary skill in the art, made equivalent variations are with repairing on the premise of the design of the present invention and principle is not departed from Change, the scope of protection of the invention should all be belonged to.

Claims

1. a kind of segmented herringbone rack, it is characterised in that the segmented herringbone rack includes rack body, the rack sheet Body includes first section and endpiece, and the first section and the endpiece are end to end along its length, and the rear end of the first section is recessed forward Sunken female end and the front end of the endpiece are forwardly convex nose, or the rear end of the first section for concave female end backward and The front end of the endpiece is the nose protruded backward, in the state of the first section and the endpiece are end to end, the female end Engagement corresponding with the nose, and the both sides of the female end are connected with the both sides of the nose by laterally attached component, it is described The top of female end is connected with the top of the nose by top connection component.

2. segmented herringbone rack according to claim 1, it is characterised in that the rack body further includes at least one Stage casing, the first section, the stage casing and the endpiece along its length order it is end to end, the rear end of the first section with it is described in The rear end of section is the nose protruded backward, and the front end of the front end in the stage casing and the endpiece is concave female end backward, The first section, the stage casing and endpiece order it is end to end in the state of, each female end with it is opposite described convex The corresponding engagement in end.

3. segmented herringbone rack according to claim 1 or 2, it is characterised in that the laterally attached component includes two Female end hangers, two nose hangers and both sides lock ring ring, the two female end hangers are convexly equipped in the both side surface of the female end respectively, The two nose hangers are convexly equipped in the both side surface of the corresponding nose respectively, the female end with it is corresponding described In the state of nose corresponds to engagement, the two female end hangers are opposite with the two nose hangers respectively to be sticked to form both sides convex portion, The two side lock ring rings are arranged banding on the outer circumferential surface of the two side convex portions respectively.

4. segmented herringbone rack according to claim 1 or 2, it is characterised in that the top connection component includes the One inverted draw cut, the second inverted draw cut and garter spring is held out against, first inverted draw cut is recessed on the top surface of the female end, and second inverted draw cut is recessed In on the top surface of the corresponding nose, first inverted draw cut extends through end face and the middle part court of the female end for both ends To away from the female end end face curved first arc groove in direction, the close female end of first arc groove The side of end face extends through end face and the middle part court of the nose for both ends formed with the first block, second inverted draw cut To away from the nose end face curved second arc groove in direction, the close nose of second arc groove The side of end face is formed with the second block, in the state of female end engagement corresponding with the corresponding nose, described the One inverted draw cut connects to form apical ring groove with corresponding second inverted draw cut, and first block and the second block splicing group Into top block, the garter spring that holds out against is arranged banding on the outer circumferential surface of the top block.

5. segmented herringbone rack according to claim 1 or 2, it is characterised in that the laterally attached component includes the One axis pin, the second axis pin and both sides lock ring ring, first axis pin run through the both side surface of the female end, and institute in the width direction The both ends for stating the first axis pin protrude from the both side surface of the female end respectively, and second axis pin is in the width direction through corresponding The nose both side surface, and the both ends of second axis pin protrude from the both side surface of the nose respectively, described in two End and second axis pin of the side lock ring ring rotating around first axis pin of the same side for being set in the rack body End；

The side of corresponding second axis pin of direction in the both side surface of the female end positioned at first axis pin is solid respectively Surely female end side welding block is equipped with, and positioned at corresponding first pin of direction of second axis pin in the both side surface of the nose The side of axis is fixed with nose side welding block respectively, in the state of female end engagement corresponding with the corresponding nose, The fitting corresponding with corresponding nose side welding block of female end side welding block.

6. segmented herringbone rack according to claim 5, it is characterised in that the top connection component includes first and inserts Pin, the second latch and hold out against garter spring, and the top surface that the lower end of first latch extends vertically through the female end is inserted in the female end Inside, and the upper end of first latch protrudes from the top surface of the female end, and the lower end of second latch extends vertically through institute The top surface for stating nose is inserted in the inside of the nose, and the upper end of second latch protrudes from the top surface of the nose, institute State the upper end and the upper end of second latch for holding out against the first latch described in garter spring difference winding；

On the top surface of the female end positioned at first latch corresponding second latch of direction side be fixed with it is recessed Overhead welding block is held, fixes and sets positioned at the side of corresponding first latch of direction of second latch on the top surface of the nose There is nose overhead welding block, in the state of female end engagement corresponding with the corresponding nose, the female end overhead welding block and institute State nose overhead welding block and correspond to fitting；

First latch and first axis pin are in the inside joggle of the female end, second latch and second axis pin In the inside joggle of the nose.

7. segmented herringbone rack according to claim 1 or 2, it is characterised in that the end face of the female end is concavely provided with Female end keyway, the end face of the nose are concavely provided with nose keyway, and the inside of the nose keyway is equipped with positioning key with can be removably mounted, The positioning key is protruded from the end face of the nose, in the state of female end engagement corresponding with the corresponding nose Under, the female end keyway for being partially submerged into the corresponding female end on the end face for protruding from the nose of the positioning key It is internal.

8. segmented herringbone rack according to claim 1 or 2, it is characterised in that in the front end surface of the first section with And locking latch component is connected with the rear end end face of the endpiece respectively, the locking latch component includes eye-splice and grafting Seat, the eye-splice are installed in the front end surface of the corresponding first section or on the rear end end face of the endpiece, the plug socket It is oppositely arranged with the corresponding eye-splice, and there is pre-determined distance between the plug socket and the corresponding eye-splice, it is described to insert Button can be with the corresponding plug socket locking latch.

9. segmented herringbone rack according to claim 8, it is characterised in that the eye-splice includes integrally formed base portion With plug division, the base portion is cylindrical, and the plug division is in cone cylinder shape, one end being relatively large in diameter of the plug division with it is described One end end face of base portion is fixedly connected, and the other end of the base portion is connected with the rack body, the base portion and the grafting Junction between portion is formed with along by the tapered shoulder of orient diameter of the base portion to the plug division, along the base The axial direction in portion, offers a plurality of joint-cutting on the side wall of the plug division, each joint-cutting through the plug division diameter compared with The end face of small one end, and each joint-cutting is inserted along the inner surface for extending radially through the plug division of the plug division with described The outer surface of socket part.

10. segmented herringbone rack according to claim 9, it is characterised in that the plug socket includes safety screen, cone Pin and cone button, the safety screen are set perpendicular to the axis of the base portion, and the one of the direction eye-splice of the safety screen Side is the first side, and the side of the remote eye-splice of the safety screen is the second side, is offered on the safety screen along institute State the through hole of the both side surface of the axis direction perforation safety screen of base portion；

The taper pin is arranged in the through hole in which can be removably mounted with the cone button, and the taper pin is in the form of a column structure, along by institute State the second side of safety screen to the direction of the first side of the safety screen, one end shape of the close eye-splice of the taper pin Into the tapered end of tapered diameter, the diameter of the end face of the tapered end is less than the interior of less one end of diameter of the eye-splice Footpath, the cone button are cylindrical in shape structure, and the cone retaining ring is arranged on the outside of one end of the close eye-splice of the taper pin, the cone The inner wall fitting of the outer surface of button and the through hole contacts, along the first side by the safety screen to the safety screen The second side direction, the endoporus of the cone button diametrically tapered taper hole, the inner wall of the cone button is close with the taper pin The annular space plugged for the plug division of the eye-splice is formed between the outer wall of one end of the eye-splice.

11. segmented herringbone rack according to claim 10, it is characterised in that the through hole is step through-hole, institute State on the inner wall of through hole formed with the step surface towards the first side of the safety screen, projection shape on the outer wall of the taper pin Into there is ring convex platform, in the state of the taper pin is installed in the through hole, the ring convex platform is resisted against on the step surface, The end of second side of the close safety screen of the taper pin extends described through the second side surface of the safety screen The outside of safety screen is screwed on clamp nut, and the cone retaining ring is arranged on the taper pin, and the remote peace of the cone button The end face of one end of full baffle is resisted against on another side surface of the ring convex platform, energy on the first side surface of the safety screen Removably be equipped with backing plate, offered on the backing plate with the corresponding perforation of the through hole, the aperture of the perforation be less than or Equal to the internal diameter of the end of the first side of the close safety screen of the cone button, the through hole is installed in the cone button Inside in the state of, the end of the first side of the close safety screen of the cone button be resisted against the backing plate towards institute State on a side surface of safety screen.

12. segmented herringbone rack according to claim 1 or 2, it is characterised in that the both sides difference of the rack body Equipped with roller, the roller includes multiple upper rollers and multiple bottom rollers, and multiple upper rollers are close to the rack body Top set, and multiple upper rollers along the rack body length direction uniform intervals set, multiple lower rollings Wheel be close to the rack body bottom set, and multiple bottom rollers along the rack body length direction it is uniform between Every setting, each upper roller positioned at the both sides of the rack body, which corresponds, to be set, and positioned at the rack body Each bottom roller of both sides, which corresponds, to be set；

The upper roller is edge wheel, and the bottom roller is roller with rim and/or removes edge wheel.

13. segmented herringbone rack according to claim 12, it is characterised in that the roller is installed by connecting shaft In the both sides of the rack body, the connecting shaft runs through the both side surface of the rack body, and the both ends of the connecting shaft Bearing is arranged with respectively, and the roller housing is arranged on the bearing, a side end face of the direction rack body of the roller Upper projection is formed with ring convex portion, and recessed formation water dumping groove on the outer surface in the ring convex portion, is arranged with the installation axle Spacer ring, the spacer ring between the bearing and the rack body, the both side surface of the spacer ring respectively with the bearing One end end face, the rack body side surface fitting contact, the inner side in the outer circumferential surface of the spacer ring and the ring convex portion Face seal is bonded, and one end of the remote rack body in the connecting shaft positioned at the bearing is connected with locating part, The locating part is resisted against on the end face of one end of the remote rack body of the bearing, the remote tooth of the roller It can be removably mounted ground sealing cover on one side end face of bar body and be equipped with end cap, oil filler point is offered on the end cap, in the oil filler point Equipped with plug screw.

14. segmented herringbone rack according to claim 1 or 2, it is characterised in that energy on the rear end top surface of the endpiece Removably it is equipped with tailstock, and the rear end of the endpiece is located at below the tailstock and is connected with tailstock roller group, the tailstock Roller group includes shaft, two swinging axles, two connection seesaws and four rolling, the shaft and two swinging axles and is parallel to each other and sets Put, and two swinging axles are located at the both sides of the shaft, the shaft and the two equal edges of swinging axle respectively in the horizontal direction The width of the rack body runs through the both side surface of the rack body, the both ends of the shaft and two swinging axles Both ends protrude from the both side surface of the rack body respectively, the both ends of the shaft extend through the two connection seesaws Middle part is simultaneously screwed on two stop nuts, and the both ends of two swinging axles are respectively as the end of the two connection seesaws through described in two Connection seesaw is simultaneously connected with the roller, two swinging axles and the axis hole worn on the rack body for two swinging axles Between be clearance fit.

15. segmented herringbone rack according to claim 1 or 2, it is characterised in that the people of the segmented herringbone rack Word tooth includes the first helical teeth and the second helical teeth, and first helical teeth is with second helical teeth along by the first section to the endpiece Direction it is close to each other and in the rack body middle part connect, the connection between first helical teeth and second helical teeth Place forms smooth fillet.