CN213105336U - Welding positioning tool for scissor arm of lifter - Google Patents

Welding positioning tool for scissor arm of lifter Download PDF

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Publication number
CN213105336U
CN213105336U CN202022006063.1U CN202022006063U CN213105336U CN 213105336 U CN213105336 U CN 213105336U CN 202022006063 U CN202022006063 U CN 202022006063U CN 213105336 U CN213105336 U CN 213105336U
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positioning
clamping
welding
tensioning
scissor arm
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CN202022006063.1U
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郦东兵
韩进超
万志勇
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Changzhou Well Tech Technologies Co ltd
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Changzhou Well Tech Technologies Co ltd
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Abstract

The utility model relates to a welding and positioning tool for a scissor arm of an elevator, which comprises a bottom frame, a positioning component I, a positioning component II, a compressing component and a tensioning component, wherein the positioning component I and the positioning component II respectively comprise two positioning backing plates which are symmetrically arranged left and right, a stop block is arranged at the inner side of each positioning backing plate, and a clamping block which can move towards the direction of the stop block is arranged at the outer side of each positioning backing plate; the positioning assembly II further comprises two positioning grooves which are symmetrically arranged in the front-back direction, and clamping frames arranged on the inner sides of the positioning grooves, clamping plates are assembled on the clamping frames, a positioning sleeve is arranged on the inner side of one of the clamping frames, and a positioning column is installed in each positioning sleeve; the pressing assembly comprises a pressing groove and a quick clamp matched with the pressing groove; the tensioning assembly comprises pneumatic tensioning pins, and the two opposite pneumatic tensioning pins can move oppositely. The utility model provides a welding position frock simple structure can realize the accurate location of each spare part of shear arm, guarantees welded quality, improves welding efficiency.

Description

Welding positioning tool for scissor arm of lifter
Technical Field
The utility model belongs to the technical field of lift scissor arm welding position, concretely relates to lift scissor arm welding position frock.
Background
A shear arm used for an elevator needs to be welded with a long shaft sleeve penetrating through two vertical rods at the end parts of the two parallel vertical rods, short shaft sleeves are installed at the other ends and the middle positions of the vertical rods, two transverse rods are arranged between the two vertical rods, a concave V-shaped plate is arranged between the two transverse rods, the short shaft sleeves are also arranged on the V-shaped plate, the structure of the whole shear arm is complex, and certain requirements are met on the positioning precision of the shear arm in the welding process.
In the existing machining process, the manual work is generally carried out to repeatedly measure and position, then the assembly welding of each part is carried out, time and labor are wasted, deviation is easily caused during positioning, the positioning precision is low, the welding effect is influenced, then secondary repair welding is required, even the condition that parts are scrapped is generated, the production efficiency is directly influenced, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elevator scissor arm welding position frock to solve the poor problem of scissor arm welding position precision.
The utility model discloses a lift scissor arm welding position frock is realized like this:
a welding and positioning tool for a scissor arm of an elevator comprises a bottom frame, a positioning component I and a positioning component II which are arranged on the bottom frame, a pair of pressing components and two pairs of tensioning components which are symmetrically arranged on the side edge of the bottom frame,
the positioning assembly I and the positioning assembly II respectively comprise two positioning base plates which are arranged in a bilateral symmetry mode, a stop block is arranged on the inner side of each positioning base plate, and a clamping block capable of moving towards the direction of the stop block is arranged on the outer side of each positioning base plate;
the positioning assembly II further comprises two positioning grooves which are symmetrically arranged in the front-back direction, and clamping frames arranged on the inner sides of the positioning grooves, clamping plates are assembled on the clamping frames, a positioning sleeve is arranged on the inner side of one of the clamping frames, and a positioning column is installed in each positioning sleeve;
the pressing assembly comprises a pressing groove and a quick clamp matched with the pressing groove;
the tensioning assembly comprises pneumatic tensioning pins, and the two opposite pneumatic tensioning pins can move oppositely.
Furthermore, the positioning base plate is provided with a rolling wheel.
Furthermore, a clamping cylinder is arranged below the clamping block, and a piston rod of the clamping cylinder is connected with the outer side of the clamping block through a fixing plate.
Furthermore, the front side or the rear side of the positioning base plate is provided with a lifting seat, and a lifting cylinder is arranged below the lifting seat.
Furthermore, clamping openings are formed in two sides of the clamping frame, and the clamping plates are installed in the clamping openings.
Furthermore, two sides of the clamping plate are provided with positioning notches with downward openings;
and rollers are arranged on the outer walls of the two sides of the clamping frame and the outer side wall of the positioning notch.
Furthermore, a locking bolt for fixing the position of the positioning column is arranged on the positioning sleeve.
Furthermore, the compressing assembly comprises a supporting frame, the compressing groove is arranged at the top of the supporting frame, the rapid clamp is arranged on the outer side of the supporting frame, and the compressing block is arranged above the compressing groove.
Furthermore, the pneumatic tensioning pin is transversely slidably mounted on the tensioning seat, a pushing cylinder with an outward piston rod is mounted in the tensioning seat, and the piston rod of the pushing cylinder is connected with the pneumatic tensioning pin.
Furthermore, the inner sides of the two tensioning seats positioned at the end part of the bottom frame are respectively provided with a bracket.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
the utility model discloses a locating component I, locating component II, compress tightly the subassembly and the setting of tight subassembly that rises can realize the accurate location and the fixing of montant, horizontal pole, V template, long axle sleeve and the short axle sleeve of scissor arm, guarantee welded precision and quality, improve welding efficiency, reduction in production cost.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural diagram of the welding and positioning tool for the scissor arm of the elevator of the utility model;
FIG. 2 is a structural diagram of the positioning assembly I for the welding and positioning tool of the scissor arm of the elevator of the utility model;
FIG. 3 is a structural diagram of the positioning assembly II for the welding and positioning tool of the scissor arm of the elevator of the utility model;
FIG. 4 is a structural diagram of a positioning groove, a clamping frame and a clamping plate assembly in a positioning component II of the welding and positioning tool for the scissor arm of the elevator of the utility model;
fig. 5 is a structural diagram of a base of a positioning component ii of the welding and positioning tool for the scissor arm of the elevator of the utility model;
fig. 6 is a structural diagram of a pressing assembly of the welding and positioning tool for the scissor arm of the elevator of the utility model;
fig. 7 is a structural diagram of a tensioning assembly (not provided with a tensioning seat housing part) of the welding and positioning tool for the scissor arm of the elevator of the utility model;
fig. 8 is a positioning state diagram of the welding and positioning tool for the scissor arm of the elevator of the utility model;
in the figure: the bottom frame 1, the vertical beam 11, the cross beam 12, the inner cross beam 13, the positioning pad 21, the stopper 22, the clamping block 23, the positioning groove 24, the clamping frame 25, the clamping plate 26, the positioning sleeve 27, the positioning column 28, the supporting seat 29, the top plate 210, the side plate 211, the side top plate 212, the rolling wheel 213, the clamping cylinder 214, the fixing plate 215, the lifting cylinder 216, the partition plate 217, the clamping opening 218, the U-shaped opening 219, the positioning opening 220, the handheld through hole 221, the roller 222, the locking bolt 223, the pressing assembly 3, the pressing groove 31, the quick clamp 32, the supporting frame 33, the pressing block 34, the tensioning assembly 4, the pneumatic tensioning pin 41, the tensioning seat 42, the pushing cylinder 43, the positioning cylinder 44, the pin cylinder 45, the connecting plate 46, the tensioning cylinder 47, the tensioning pin 48, the sleeve 49, the guide rod 410, the bracket 411, the vertical rod 51, the cross rod 52, the long shaft sleeve 53.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Be suitable for the utility model discloses a scissor arm of welding position frock includes two parallel arrangement's montant 51 to and set up two horizontal poles 52 between two montants 51 perpendicularly, montant 51's one end is provided with the major axis cover 53 that runs through two montants 51, is provided with two recessed V-arrangement boards 54 between the horizontal pole 52, and short axle sleeve 55 is installed respectively to the intermediate position of montant 51 and the one end of keeping away from major axis cover 53 on the V-arrangement board 54.
As shown in fig. 1-8, a welding and positioning tool for an elevator scissor arm comprises a bottom frame 1, a positioning assembly i and a positioning assembly ii which are installed on the bottom frame 1, and a pair of pressing assemblies 3 and two pairs of tensioning assemblies 4 which are installed on the side edge of the bottom frame 1 in a bilateral symmetry manner, wherein the positioning assembly i and the positioning assembly ii respectively comprise two positioning base plates 21 which are arranged in a bilateral symmetry manner, the inner sides of the positioning base plates 21 are provided with stop blocks 22, and the outer sides of the positioning base plates are provided with clamping blocks 23 which can move towards the direction of the stop blocks 22; the positioning component II further comprises two positioning grooves 24 which are symmetrically arranged in the front and back direction, and clamping frames 25 which are arranged on the inner sides of the positioning grooves 24, clamping plates 26 are assembled on the clamping frames 25, a positioning sleeve 27 is arranged on the inner side of one clamping frame 25, and a positioning column 28 is installed in each positioning sleeve 27; the pressing assembly 3 comprises a pressing groove 31 and a quick clamp 32 matched with the pressing groove 31; the tensioning assembly 4 comprises pneumatic tensioning pins 41, and two opposite pneumatic tensioning pins 41 can move in opposite directions.
Specifically, the positioning backing plate 21 and the stoppers 22 and the clamping blocks 23 on the two sides of the positioning backing plate are matched with each other to position the vertical rod 51; the positioning groove 24 is used for positioning the cross rod 52, the clamping frame 25 and the clamping plate 26 are matched for positioning the V-shaped plate 54, the positioning sleeve 27 and the positioning column 28 are matched for positioning a short shaft sleeve 55 on the V-shaped plate 54, the pressing groove 31 and the quick clamp 32 are used for positioning a long shaft sleeve 53, and the pneumatic tensioning pin 41 is used for positioning the short shaft sleeve 55 on the vertical rod 51.
For the convenience of installing locating component I, locating component II, compress tightly subassembly 3 and tight subassembly 4 that rises, underframe 1 is "mesh" font structure.
Specifically, the underframe 1 includes two vertical beams 11 arranged in parallel, cross beams 12 arranged at both ends of the vertical beams 11, and two inner cross beams 13 arranged inside the cross beams 12.
Wherein, locating component I and locating component II install respectively on two inner beam 13, and a pair of compress tightly subassembly 3 is installed respectively on two perpendicular roof beams 11 and is located the position end of locating component I, and two pairs of tight subassemblies 4 that rise are installed respectively on two perpendicular roof beams 11.
Preferably, in order to facilitate the installation of the components of the positioning assembly i and the positioning assembly ii, the positioning assembly i and the positioning assembly ii further respectively comprise a base fixed on the inner cross beam 13, the base comprises a supporting seat 29, and a top plate 210 installed on the top of the supporting seat 29. And the positioning assembly II further comprises side plates 211 arranged at two sides of the supporting seat 29, and side top plates 212 are arranged at the tops of the side plates 211.
The positioning pad 21 is used for supporting and positioning the vertical rod 51, and the rolling wheel 213 is mounted on the positioning pad 21 for adjusting the longitudinal position of the vertical rod 51.
The axial direction of the rolling wheel 213 is set horizontally, when the vertical rod 51 is placed on the positioning backing plate 21, if the longitudinal position of the vertical rod 51 deviates, the vertical rod 51 can be directly pushed, the position of the vertical rod 51 can be smoothly adjusted by the rotation of the rolling wheel 213, and the positioning precision is ensured.
Specifically, the positioning pad 21 and the stopper 22 of the positioning assembly i are mounted on the top plate 210 thereof, and the positioning pad 21 and the stopper 22 of the positioning assembly ii are mounted on the side top plate 212 thereof.
In order to fix the position of the vertical rod 51, a clamping cylinder 214 is provided below the clamping block 23, and a piston rod of the clamping cylinder 214 is connected to the outer side of the clamping block 23 via a fixing plate 215.
The clamping cylinder 214 of the positioning assembly I is arranged at the bottom of the top plate 210 of the positioning assembly I, the clamping cylinder 214 of the positioning assembly II is arranged at the bottom of the side top plate 212 of the positioning assembly II, piston rods of the clamping cylinders 214 are all arranged outwards and are connected with the corresponding clamping block 23 above the clamping cylinders through the fixing plate 215, after the position of the vertical rod 51 is determined, the piston rods of the clamping cylinders 214 retract, the clamping block 23 moves towards the stop block 22, the vertical rod 51 is fixed between the clamping block 23 and the stop block 22, and the position of the vertical rod 51 is fixed.
The clamp cylinder 214 may be selected from, but not limited to, a cylinder of the type TCL63 × 25S.
After the scissor arm is welded, in order to be conveniently removed from the positioning mechanism, a lifting seat (not shown in the figure) is arranged on the front side or the rear side of the positioning base plate 21, and a lifting cylinder 216 is arranged below the lifting seat.
Specifically, the lifting seat of the positioning assembly i is installed above the top plate 210, the lifting seat of the positioning assembly ii is installed above the side top plate 212, and the piston rod of the lifting cylinder 216 corresponding to the lifting seat passes through the top plate 210 or the side top plate 212 above the lifting seat and is connected with the corresponding lifting seat.
The lifting cylinder 216 is arranged in parallel with the clamping cylinder 214 of the same group, the piston rod is placed upwards and connected with the lifting seat above the lifting cylinder, and a partition plate 217 fixed at the bottom of the top plate 210 or the side top plate 212 is arranged between the lifting cylinder 216 and the clamping cylinder 214 to separate the two.
Preferably, the lifting seat is a vertically arranged U-shaped groove structure, so that the vertical rod 51 can be prevented from moving randomly during lifting.
After the scissor arm is welded, the piston rod of the lifting cylinder 216 extends out to lift the scissor arm upwards from the positioning mechanism, so that the scissor arm can be conveniently taken down from the positioning mechanism by a worker.
The lift cylinder 216 may be, but is not limited to, an ACQ63x 50 cylinder.
In the positioning process, the V-shaped plate 54 needs to be positioned by matching the card board 26 with the clamping frame 25, and in order to mount the card board 26 in the clamping frame 25, clamping openings 218 are provided on both sides of the clamping frame 25, and the card board 26 is mounted in the clamping openings 218.
The clamping opening 218 is transversely arranged, and the clamping plate 26 is directly clamped in the clamping opening 218.
Preferably, in order to fix the positioning groove 24, a U-shaped groove 219 is provided in the middle of the mounting frame 25, and the bottom plate of the positioning groove 24 located outside the U-shaped groove 219 is fixed in the U-shaped groove 219.
Positioning slot 24 is arranged transversely, since it is used for positioning crossbar 52, while the bottom of positioning slot 24 extends towards the inside of clamping frame 25 and fixes its end in U-shaped slot 219, whereas U-shaped slot 219 is arranged longitudinally.
In order to realize the positioning of the V-shaped plate 54, two sides of the clamping plate 26 are provided with positioning notches 220 with downward openings.
Specifically, since the V-shaped plate 54 is disposed longitudinally, the positioning slot 220 is also disposed longitudinally.
The V-shaped plate 54 is positioned, placed on both sides of the mounting frame 25, and then the card 26 is mounted in the mounting opening 218 of the mounting frame 25 from above the V-shaped plate 54, and the V-shaped plate 54 is positioned in the positioning notch 220.
Preferably, a handheld through hole 221 is formed in the middle of the clamping plate 26, so that the clamping plate 26 can be conveniently mounted and dismounted.
Because cardboard 26 and clamping frame 25 are the location that the realization was in the same place to V-arrangement board 54 for direct cooperation, and can produce slight deformation after V-arrangement board 54 welds the completion, increased the degree of difficulty when cardboard 26 dismantles and the scissors arm takes off, consequently for the dismouting of cardboard 26, and the taking out of the scissors arm that the welding was accomplished, all install gyro wheel 222 on the both sides outer wall that clamps frame 25 and the lateral wall of location notch 220.
Specifically, the axial direction of the roller 222 is arranged longitudinally. The positioning notches 220 are arranged at two sides of the clamping frame 25, in order to facilitate the contact of the rollers 222 with two sides of the V-shaped plate 54, the rollers 222 are arranged on the outer walls of two sides of the U-shaped notch 219, the rollers 222 at two sides of the clamping opening 218 and the rollers 222 on the outer wall of the U-shaped notch 219 are arranged on the same plane, the rollers 222 at the two sides are attached to the inner wall of the V-shaped plate 54 during positioning, and the rollers 222 on the outer side wall of the positioning notch 220 are attached to the outer wall of the V-shaped plate 54.
When the chucking plate 26 is removed, the frictional force between the chucking plate 26 and the V-shaped plate 54 is converted into rolling friction by the rollers 222, thereby facilitating the removal of the chucking plate 26; when the welded scissor arm needs to be detached, the friction force between the V-shaped plate 54 and the clamping frame 25 is converted into rolling friction by the roller 222, so that the scissor arm can be conveniently detached from the positioning mechanism.
The positioning post 28 is provided to facilitate positioning of the two short shaft sleeves 55 on the V-shaped plate 54 and to ensure concentricity of the two short shaft sleeves 55, and the positioning sleeve 27 is provided with a locking bolt 223 for fixing the position of the positioning post 28 in order to fix the position of the positioning post 28.
When the short shaft sleeves 55 are positioned, the positioning column 28 penetrates into the short shaft sleeve 55 on one V-shaped plate 54 from the outer side of the V-shaped plate 54, then penetrates through the positioning sleeve 27 and penetrates into the short shaft sleeve 55 on the other V-shaped plate 54, and after the positions of the two short shaft sleeves 55 are fixed, the locking bolt 223 is screwed downwards, so that the bottom of the locking bolt abuts against the positioning column 28, and the positions of the positioning column 28 and the short shaft sleeves 55 are fixed.
Preferably, to facilitate the installation of the positioning post 28, a handle is installed at the tail end thereof, and a tapered head is provided at the front end thereof.
In order to position the long shaft sleeve 53, the pressing assembly 3 comprises a supporting frame 33, a pressing groove 31 is arranged at the top of the supporting frame 33, a quick clamp 32 is arranged at the outer side of the supporting frame 33, and a pressing block 34 of the quick clamp is arranged above the pressing groove 31.
The pressing groove 31 is transversely arranged, the long shaft sleeve 53 penetrates through the end parts of the two vertical rods 51, the two ends of the long shaft sleeve 53 are respectively placed in the pressing groove 31, and the rapid clamp 32 fixes the long shaft sleeve 53 in the pressing groove 31 by utilizing the pressing block 34 of the rapid clamp, so that the long shaft sleeve 53 is positioned.
Preferably, the quick clamp can be a pneumatic quick clamp.
The air cylinder of the pneumatic quick clamp can be selected from but not limited to air cylinders with the model number of JCKV63X 90.
The pneumatic tensioning pin 41 is used for positioning a short shaft sleeve 55 on the vertical rod 51, the vertical rod 51 with the short shaft sleeve 55 is placed into a processing position conveniently, then the pneumatic tensioning pin 41 penetrates into the short shaft sleeve 55, the pneumatic tensioning pin 41 needs to be moved transversely, in order to achieve the purpose, the pneumatic tensioning pin 41 is transversely slidably mounted on the tensioning seat 42, a pushing cylinder 43 with an outward piston rod is mounted in the tensioning seat 42, and the piston rod of the pushing cylinder 43 is connected with the pneumatic tensioning pin 41.
The pneumatic tensioning pin 41 comprises a positioning cylinder 44 which is transversely arranged in the tensioning seat 42 and can transversely slide, and a pin cylinder 45 which is coaxially arranged on the inner side of the positioning cylinder 44, a connecting plate 46 which is arranged on the outer side of the tensioning seat 42 is arranged at the outer end of the positioning cylinder 44, a tensioning cylinder 47 is arranged on the outer side of the connecting plate 46, and a piston rod of the tensioning cylinder 47 penetrates through the positioning cylinder 44 to be connected with a tensioning pin 48 which is slidably arranged in the pin cylinder 45.
The pushing cylinder 43 is disposed in the tensioning seat 42 and below the positioning cylinder 44, the installation direction of the pushing cylinder is opposite to that of the tensioning cylinder 47, and a piston rod of the pushing cylinder 43 passes through the rear wall of the tensioning seat 42 and is connected to the connecting plate 46.
In order to facilitate the sliding of the positioning cylinder 44, a sleeve 49 is disposed at the upper end of the interior of the tensioning seat 42, and the positioning cylinder 44 is slidably disposed in the sleeve 49.
When the short shaft sleeve 55 is positioned, the piston rod of the pushing cylinder 43 is in an extending state, the piston rod of the tensioning cylinder 47 is in a retracting state, after the vertical rod 51 provided with the short shaft sleeve 55 is placed to a processing position, the piston rod of the pushing cylinder 43 retracts to drive the pneumatic tensioning pin 41 to move inwards, so that the pin cylinder 45 penetrates into the short shaft sleeve 55, then the piston rod of the tensioning cylinder 47 extends to push the tensioning pin 48 to move forwards and expand, and the short shaft sleeve 55 is positioned.
Preferably, a guide rod 410 is provided below the push cylinder 43 in order to guide the lateral movement of the pneumatic tensioning pin 41.
The tensioning cylinder 47 can be selected from, but not limited to, cylinders of type ACQ63X 20.
The pushing cylinder 43 may be selected from, but not limited to, a cylinder of type ACQ63X 125.
In order to position the end of the vertical rod 51, brackets 411 are respectively arranged on the inner sides of the two tensioning seats 42 at the end of the bottom frame 1.
Bracket 411 sets up the below rather than the pin section of thick bamboo 45 of group, and is the L type structure of vertical placing, and its vertical part is towards the tip of underframe 1, and when using, the tip of montant 51 is then placed in bracket 411, utilizes the vertical part of bracket 411 to fix a position the tip of montant 51.
When the scissor arm is welded, the vertical rod 51 with the short shaft sleeve 55 is placed on the positioning backing plate 21, the long shaft sleeve 53 penetrates through the two vertical rods 51 and is placed in the pressing groove 31, the transverse rod 52 is placed in the positioning groove 24, the two ends of the V-shaped plate 54 with the short shaft sleeve 55 are clamped on the transverse rod 52 and are positioned at the two sides of the clamping frame 25, the positions of the parts are adjusted, after the positions are determined, the vertical rod 51 is fixed by the clamping block 23 and the stop block 22, the long shaft sleeve 53 is fixed by the rapid clamp 32, the V-shaped plates 54 are fixed by the clamping plates 26, the positioning columns 28 penetrate through the short shaft sleeves 55 on the two V-shaped plates 54 and are fixed by the locking bolts 223, the short shaft sleeves 55 on the vertical rod 51 are fixed by the pneumatic tensioning pins 41, and then all parts of the shear arm are welded at the connecting positions.
After the welding is finished, the locking bolt 223 is loosened, the positioning column 28 and the clamping plate 26 are taken down, the quick clamp 32 is loosened, the pneumatic tensioning pin 41 is withdrawn, the clamping block 23 is moved outwards, then the shear arm which is finished by welding is lifted up by the aid of the lifting seat, and the scissors arm can be manually taken down.
The utility model provides a welding position frock is simple structure not only, and operation labour saving and time saving can realize the accurate location of each spare part of shear arm moreover, guarantees welded quality, improves welding efficiency.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A welding and positioning tool for a scissor arm of an elevator is characterized by comprising a bottom frame (1), a positioning component I and a positioning component II which are arranged on the bottom frame (1), and a pair of pressing components (3) and two pairs of tensioning components (4) which are arranged on the side edge of the bottom frame (1) in a bilateral symmetry manner,
the positioning assembly I and the positioning assembly II respectively comprise two positioning base plates (21) which are arranged in a bilateral symmetry mode, a stop block (22) is arranged on the inner side of each positioning base plate (21), and a clamping block (23) capable of moving towards the stop block (22) is arranged on the outer side of each positioning base plate;
the positioning assembly II further comprises two positioning grooves (24) which are symmetrically arranged in the front and back direction, and clamping frames (25) arranged on the inner sides of the positioning grooves (24), clamping plates (26) are assembled on the clamping frames (25), a positioning sleeve (27) is arranged on the inner side of one clamping frame (25), and a positioning column (28) is arranged in each positioning sleeve (27);
the pressing assembly (3) comprises a pressing groove (31) and a quick clamp (32) matched with the pressing groove (31);
the tensioning assembly (4) comprises pneumatic tensioning pins (41), and the two opposite pneumatic tensioning pins (41) can move in opposite directions.
2. The welding and positioning tool for the scissor arm of the elevator according to claim 1, wherein the positioning pad (21) is provided with a rolling wheel (213).
3. The welding and positioning tool for the scissor arm of the elevator according to claim 1, wherein a clamping cylinder (214) is arranged below the clamping block (23), and a piston rod of the clamping cylinder (214) is connected with the outer side of the clamping block (23) through a fixing plate (215).
4. The welding and positioning tool for the scissor arm of the elevator according to claim 1, wherein a lifting seat is arranged on the front side or the rear side of the positioning base plate (21), and a lifting cylinder (216) is arranged below the lifting seat.
5. The welding and positioning tool for the arms of the scissors of the elevator of claim 1, wherein clamping openings (218) are formed in two sides of the clamping frame (25), and the clamping plates (26) are installed in the clamping openings (218).
6. The welding and positioning tool for the scissor arm of the elevator according to claim 5, wherein two sides of the clamping plate (26) are provided with positioning notches (220) with downward openings;
and rollers (222) are arranged on the outer walls of the two sides of the clamping frame (25) and the outer wall of the positioning notch (220).
7. The welding and positioning tool for the scissor arm of the elevator according to claim 1, wherein the positioning sleeve (27) is provided with a locking bolt (223) for fixing the position of the positioning column (28).
8. The welding and positioning tool for the scissor arm of an elevator according to claim 1, wherein the pressing assembly (3) comprises a support frame (33), the pressing groove (31) is installed at the top of the support frame (33), the quick clamp (32) is installed at the outer side of the support frame (33), and the pressing block (34) is arranged above the pressing groove (31).
9. The welding and positioning tool for the scissor arm of the elevator according to claim 1, wherein the pneumatic tensioning pin (41) is transversely slidably mounted on the tensioning seat (42), a pushing cylinder (43) with an outward piston rod is mounted in the tensioning seat (42), and the piston rod of the pushing cylinder (43) is connected with the pneumatic tensioning pin (41).
10. The welding and positioning tool for the scissor arm of the elevator according to claim 9, wherein brackets (411) are respectively arranged on the inner sides of the two tensioning seats (42) at the ends of the bottom frame (1).
CN202022006063.1U 2020-09-14 2020-09-14 Welding positioning tool for scissor arm of lifter Active CN213105336U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022006063.1U CN213105336U (en) 2020-09-14 2020-09-14 Welding positioning tool for scissor arm of lifter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022006063.1U CN213105336U (en) 2020-09-14 2020-09-14 Welding positioning tool for scissor arm of lifter

Publications (1)

Publication Number Publication Date
CN213105336U true CN213105336U (en) 2021-05-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022006063.1U Active CN213105336U (en) 2020-09-14 2020-09-14 Welding positioning tool for scissor arm of lifter

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114310123A (en) * 2022-02-10 2022-04-12 杭州叉车门架有限公司 Outer portal welding frock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114310123A (en) * 2022-02-10 2022-04-12 杭州叉车门架有限公司 Outer portal welding frock

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